molex PicoBlade 1.25 DIP User guide

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TITLE: PicoBlade 1.25 DIP TYPE & SMT TYPE
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WRITTEN BY:
SOBARA01
CHECKED BY:
A.IDA
APPROVED BY:
T.KANEKO
DATE:
2018/08/13
DOCUMENT NUMBER
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―Before using ―
・Be sure to read the following precautions before using connector.
・Keep this manual for reference at any time.
・The displays and illustrations shown in this manual are for illustrative purposes only and may differ
from the actual product.
・The contents of this manual are subject to change without notice.
・If you find any mistake or there is anything that is not clear, please contact your sales representative.
This application specification is written in English and Japanese.
本取扱説明書は、英文および和文で記載されております。
English 英文: Page 1~28
Japanese 和文: Page 29~57
【1.APPLICATION】
Product Name
Part Number
HARNESS SIDE
RECEPTACLE HOUSING
51021 series
RECEPTACLE CRIMP
TERMINAL
AWG#28-32
50058 series
AWG#26-28
50079 series
APPLICABLE WIRE（※）
AWG#26～32
Tin plated stranded wire
APPLICABLE CRIMP DIE MODEL No. （※）
57067-3**0
ONBOARD SIDE
HEADER ASS'Y
DIP TYPE
ST TYPE
53047 series
R/A TYPE
53048 series
HEADER ASS'Y
SMT TYPE
ST TYPE
53398 series
R/A TYPE
53261 series
※Please refer to crimp specification for further details.
APPLICATION SPECIFICATION
PicoBlade 1.25 DIP TYPE & SMT TYPE

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TITLE: PicoBlade 1.25 DIP TYPE & SMT TYPE
APPLICATION SPECIFICATION
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DIP ST TYPE
53047 series
DIP R/A TYPE
53048 series
SMT ST TYPE
53398 series
SMT R/A TYPE
53261 series
Receptacle housing
51021 series

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TITLE: PicoBlade 1.25 DIP TYPE & SMT TYPE
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Contents
1．Application････････････････････････････････････････････････････････････････ P-1
2．Instructions
2-1. Product exterior････････････････････････････････････････････････････････ P-4
2-2. Applicable wire and crimp tooling････････････････････････････････････････ P-4
2-3. About safekeeping before harness process and surface mount process･････P-4
2-4. Harness process and surface mount process instruction.･･･････････････････ P-5～6
2-5. About use in the machinery.･･････････････････････････････････････････････ P-6
2-6. About rating / performance standard.・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ P-6
2-7. Use of the product. ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ P-6
3．The name of each part & explanation
3-1. Receptacle crimp terminal・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ P-7
3-2. Receptacle housing・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ P-8
3-3. Header assembly DIP type・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ P-9
3-4. Header assembly SMT type・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ P-10
4．The confirmation item for crimping wire
4-1. The appearance before crimping.・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ P-11
4-2. The appearance after crimping.・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ P-11
4-3. Crimping failure・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ P-12～14
5．Wire bundling and package after crimping・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ P-15
6．Harness processing (crimping wire insertion method in Receptacle housing)
6-1 Insertion crimping wire・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ P-16～19
6-2. Repair of crimp terminal・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ P-20
7．Banding of harness・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ P-21～22
8．Packing method of harness・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ P-23～24
9．Instructions of mounting on P.C.B.・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ P-25
10．Instruction when mating with HDR connector
10-1．Mating process method ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ P-26
10-2．Un-mating process method ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ P-27
10-3．Wiring after mating ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ P-27～28

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TITLE: PicoBlade 1.25 DIP TYPE & SMT TYPE
APPLICATION SPECIFICATION
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【2.Instructions】
2-1. Product exterior
1. There is no influence on the product performance if black spots, bubbles might be on the plastic part of this
product, or different color tone including discoloration by secular change.
2. Slide marks may sometimes appear on plating part of the product, but there is no impact on the function of this
product.
3. Resin and terminal plating may have some changes in color after soldering, but there is no negative impact on
the function of this product.
4. Connectors may be damaged by inappropriate force of the mounting machine. Please confirm that there is no
problem before using.
2-2. Applicable wire and crimp tooling
1. Guarantee is void when product is used with wire out of application range specified in the product
specifications.
2. Guarantee is void when product is used with non Molex authorized tooling.
3. Recommended electric wire is tin plated stranded copper wire.
2-3. About safekeeping before harness process and surface mount process
1. Please keep product as it is delivered and packaged. Also, please keep it under normal temperature and
humidity away from direct sunlight.
2. Please do not allow external force on product and package during the storage.
3. During handling, avoid shock or dropping products as it may cause damage.
4. First-in, first-out of the stock is recommended.
5. Keep product in original packaging until using.
6. This product should be inspected its appearance and solder performance before using after storage expiration
date.

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2-4. Harness process and surface mount process instruction.
1. Please confirm if the products and crimp machine, crimp condition, an applicable wire are equal to product
drawing, crimp specifications before use.
2. Beware of dust, debris, or foreign objects on the product, or deformation of the product before using. It may
result in insufficient of the insertion performance to the housing and electric performance.
3. Please do not touch the terminal by bare hand.
4. When a terminal is twisted or tangled, please do not handle it by too much force. The terminal may become
damaged.
5. Do not apply force to the product during work in process or in finishing goods. Product may be damaged and
may not function properly as a connector.
6. Please do not expose a product including a harness half-finished goods to the following condition.
・Dust
・Corrosive material
・Corrosive gas
・High temperature and high humidity
・Direct sunlight
The above conditions may cause poor contact, corrosion of the terminal and the insulation performance
deterioration of the housing. Please keep in boxes.
7. Please do not add loads to connector, harness and half-finished goods during production, packaging,
transportation, or storage. It may cause damage and result in poor performance.
8. Do not apply excessive force or tension to avoid damage to the contact part, crimp part, or lance part when
pulling a wire of a harness or a half-finished goods.
9. Do not damage receptacle housing and a crimp terminal intentionally. Product performance can be affected
by this condition.
10. Please use receptacle housing within the day of its package is opened. Moisture absorption or drying may
cause the deterioration of materials by neighboring atmospheres. When you cannot use it up, please seal the
bag again and keep it in a box.
11. Please be careful not to be injured with the edges part such as metal parts when handling a connector.
12. To avoid injury, please be careful when handling the paper between terminals and metal carrier on reels.
13. Our evaluation is with the use of standard rigid PCB. When the product is used on flexible printed circuits
(FPC) please evaluate in advance.
14. Please solder all the terminal departments and the nail part (SMT type). Non-soldered part may cause defect.
15. In the case of changing our recommended board pattern size or design, please consult us in advance because
such changes may cause defects.
16. Please do not apply to load for connector. For example, carrying the PCB when connector is mated may cause
damage.
17. Please do not stack PCB after connector is soldered to PCB.
18. Please follow the conditions in product specifications, when you use a soldering iron. For conditions
exceeding specifications, the connector may be damaged.

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19. When you use a solder iron, please do not use excessive solder and flux. It may cause poor contact
performance by solder wicking and flux wicking.
20. Depending on soldering conditions, resin discoloration and appearance change of plating may occur, but it
does not degrade product performance.
2-5. About use in the machinery.
1. Vibration of an electric wire or printed circuit board due to machinery vibration or rotation must be avoided to
prevent damage to connector at contact area. Contact failure due to abrasion may be caused. Therefore,
please fix electric wires and printed circuit boards in the machinery and take measures to hold resonances.
2. Do not fix printed circuit boards by using only connectors. They must be fixed or supported by other means.
3. Please do not touch terminals and fitting nails (SMT type) before and after mounting on the circuit board.
4. Please insert and withdraw connector along fixed axis. The diagonal insertion and withdrawal cause damage
to the connector.
5. After mating, do not intentionally apply force to span or rotate a connector. Such force may cause damage to
connector or solder cracking.
6. If electric wire is pulled after mating a connector, it may damage contact or crimping areas or the lock area
and result in contact failure. When performing the guidance wiring of the electric wire. Please keep the wire
loose to avoid applying excessive force and tension to connector.
7. Mold lances may be damaged after removing crimp terminals. Therefore, please use a new housing when
repairing a connector.
2-6. About rating / performance standard.
1. Please use the product within the rating / the standard of product specifications.
2. This product is not designed for usage in “hot-swap”applications where power is on.
3. Before using, please confirm that this product satisfies the equipment specifications.
4. In order to avoid short circuits, please do not allow connectors to contact with metal objects.
5. Please avoid to use current higher than the rated current.
2-7. Use of the product.
1. This product is not designed and produced for the machine to be used under the condition involving human
lives or for the use of system. If you use this product for special use such as medical, aerospace and nuclear
power etc., please confirm us before using.
2. Please contact us without fail before using if you plan to use the product for automobile and ship etc. (We will
consider if the product can be applied to such specification condition.)
3. Please avoid using the product outdoors or under similar environment.

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TITLE: PicoBlade 1.25 DIP TYPE & SMT TYPE
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【3. The name of each part & explanation】
※Please refer to sales drawing for product form and its dimensions.
3-1．Receptacle crimp terminal：50058, 50079 series.
Terminal lance
Part to prevent terminal from
coming out of housing
Fig. 3-1 Receptacle crimp terminal
Pilot hole
Part for positioning in crimping process
Carrier (not included in loose version)
Part for connecting each terminal
Insulation barrel
Crimping area for wire insulation
Wire barrel
Crimping area for wire conductor.
Terminal
Contact
Electrical mating part.

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3-2．Receptacle housing：51021 series
Receptacle housing
(51021 series)
Friction Lock
Lock structure not to come off accidentally
after mating
Mold lance
Part to prevent terminal from coming out of housing
Electric wire
Fig. 3-2 Receptacle housing

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DIP ST type: 53047 series
DIP R/A type: 53048 series
3-3．Header Assembly SMT type
Terminal
Electrical contact part
Housing
Locking window
Lock structure not to come off
accidentally after mating.
Housing
Terminal
Electrical contact part
Locking window
Lock structure not to come off
accidentally after mating
Fig. 3-4 DIP R/A type: 53048 series
Fig. 3-3 DIP ST type: 53047 series

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TITLE: PicoBlade 1.25 DIP TYPE & SMT TYPE
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SMT ST type: 53398 series
SMT R/A type: 53261 series
3-4．Header Assembly SMT type
Terminal
Electrical contact part
Housing
Locking window
Lock structure not to come off
accidentally after mating.
Housing
Terminal
Electrical contact part
Locking window
Lock structure not to come off
accidentally after mating
Fig. 3-6 SMT R/A type: 53261 series
Fig. 3-5 SMT ST type: 53398 series

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TITLE: PicoBlade 1.25 DIP TYPE & SMT TYPE
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【4. Confirmation items for crimping wire】
4-1．The appearance before crimping.
Please make sure that there is no deformation of the crimp terminal. If you find that the terminals are tangled,
please do not remove them forcibly.Please refer to sales drawing for product form and its dimensions.
4-2．The appearance after crimping.
Confirmation items and crimping failure after crimping are shown as follows. Please refer to crimp specifications
for crimp height, and applicable wire specifications, and so on.
1. No visible damage or deformation on contact area.
2. All stranded wires do not protrude to the outside of the terminal.
3. The insulator part of wire is located in the intermediate position of wire barrel
and insulation barrel.
4. No damage on terminal lance.
5. No damage on appearance.（Dirt / foreign objects）
Fig. 4-1
1.
4.
3.
2.

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4-3．Crimping failure.
Please be careful of the crimping failure as shown below.
It may affect the insertion to housing and affect a product function.
1. Bend up
It may deteriorate insertion to housing and terminal retention force or cause contact failure.
2. Bend down
It may deteriorate insertion to housing and terminal retention force or cause contact failure.
3. Twist
It may deteriorate insertion to housing and terminal retention force or cause contact failure.
○
×
×
Fig. 4-2
Fig. 4-3
Fig. 4-4
×
No Good
×
No Good
Good
No Good
No Good

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4. Rolling
It may deteriorate insertion to housing and terminal retention force or cause contact failure.
5. Crush and deformation of contact area and contact box
It may deteriorate insertion to housing and terminal retention force or cause contact failure.
6. Stranded wires are not inside the conductor barrel
It may deteriorate insertion to housing and cause contact failure.
○
×
×
×
No Good
×
No Good
Fig. 4-5
Fig. 4-6
Fig. 4-7
×
No Good
No Good
No Good
Good

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7. Crimping position: Too front
It may cause breaking of wire, deterioration of wire crimping strength and disconnection by crimping insulator.
8. Crimping position: Too behind
It may cause deterioration of wire crimping strength and disconnection by not having enough crimping margin.
As wire insulation is not crimped completely, wire insulation falls off easily when wire is pulled.
9. Deformation of terminal lance
Locking of the terminal becomes insufficient and causes lowering of the terminal retention force.
×
No Good
×
No Good
Pulling
Fig. 4-8
Fig. 4-9
Fig. 4-10
No Good
×
No Good
No Good
×
×

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【5. Wire bundling and package after crimping】
Please check for damaged terminal and wire insulation, when bundling wires.
(Recommended bundling position is 30mm from crimped portion. Fig. 5-1)
Please check for the quantity per packing-box.
Do not over pack crimped wires in a box as there is risk of damaging terminals
※When bundling wires, please be careful not to apply excessive force to terminals.
※When packing bundled harnesses in package box, please stack product alternately
so that no load is applied to connector for a long time. (Fig.5-2)
※Please lay buffer material on the bottom and top of the package box. (Fig.5-2)
Also, please lay buffer material between bundled wires as necessary, in order to avoid applying force
to connector for a long time by stacking the wires.
Instruction
Fig. 5-1
Fig. 5-2
Buffer material
(Air-packing)
Packing box.
Pile up the bundled
wires alternately.
30mm
Recommended
bundling position

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TITLE: PicoBlade 1.25 DIP TYPE & SMT TYPE
APPLICATION SPECIFICATION
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510210000-AS
DOC. TYPE
PS
DOC. PART
000
CUSTOMER
GENERAL
SHEET
16 OF 58
EN-127(2015-12)
APPLICATION SPECIFICATION
【6. Harness processing (crimping wire insertion method in Receptacle housing)】
Insertion procedure and instructions (※) of the crimping wire are shown as follows:
6-1．Insertion of crimping wire
1. Hold receptacle housing by pinching right and left side softly.
※Don’t hold on mold lance when you insert crimping wire to receptacle housing. (Fig.6-1)
It makes difficult to insert, or connector may be deformed or damaged.
2. Please hold the cable at about 10mm away from the crimped portion with fingers lightly.
※If you hold the wire at a position distant from terminal, wires will be easily bent
and it may be difficult to insert.
※Optimum distance to hold wire depends on wire gauge, UL, etc. Please confirm with the wire
that you chose before using.
3. Hold wire and have terminal lance part toward receptacle housing, then insert terminal slowly and straightly
till the tip of terminal touches housing (with force of around 2～4N). (Fig.6-2)
Fig. 6-2
Terminal lance
Mold lance
Fig. 6-1
No Good
×
○
Good

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TITLE: PicoBlade 1.25 DIP TYPE & SMT TYPE
APPLICATION SPECIFICATION
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SEE SHEET 1 OF 58
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TECHNOLOGIES, LLC AND SHOULD NOT BE USED WITHOUT WRITTEN PERMISSION
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DOC. PART
000
CUSTOMER
GENERAL
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17 OF 58
EN-127(2015-12)
APPLICATION SPECIFICATION
※If crimping height and width are too large, there is a problem for the terminal insertion.
Please follow the instructed crimping height. (Please refer to crimping specifications for detail）
※Please keep correct insertion direction. (Fig.6-3)
Please be careful that the terminal is not upside down, not having an angle over 5°, or not rotated against
receptacle housing. These may cause terminal deformation or damage to receptacle housing. (Fig.6-4)
※If you feel unusual such as hooking during the insertion, please stop insertion and confirm if there is
no damage of terminal or receptacle housing.
If the damage is found, do not use the terminal and receptacle housing.
Instruction
〇
Fig.6-3 Correct insertion direction
Terminal lance
Mold lance
Upside down direction
×
Rotated (Beyond 5°)
×
Oblique direction
×
Fig.6-4 Inappropriate insertion direction
Good
No Good
No Good
No Good

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TITLE: PicoBlade 1.25 DIP TYPE & SMT TYPE
APPLICATION SPECIFICATION
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SEE SHEET 1 OF 58
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DOC. PART
000
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GENERAL
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18 OF 58
EN-127(2015-12)
APPLICATION SPECIFICATION
4. After inserting the terminal, please confirm if terminals are not pulled out from receptacle housing
by pulling wires lightly (with about 100g force, in order not to damage connector.)
5. After inserting all terminals, please confirm the position of mold lance and terminal lance.
If they are inserted correctly, terminal lance is locked by mold lance. (Fig.6-5, 6-6)
Fig.6-5 Case of correct insertion
〇
Terminal has reached the end
Terminal lance is
locked by mold lance
Terminal lance is under mold
lance and not locked.
Terminal has not reached the end
Fig.6-6 Case of incomplete insertion
×
Good
No Good

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TITLE: PicoBlade 1.25 DIP TYPE & SMT TYPE
APPLICATION SPECIFICATION
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SEE SHEET 1 OF 58
THIS DOCUMENT CONTAINS INFORMATION THAT IS PROPRIETARY TO MOLEX ELECTRONIC
TECHNOLOGIES, LLC AND SHOULD NOT BE USED WITHOUT WRITTEN PERMISSION
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DOC. PART
000
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GENERAL
SHEET
19 OF 58
EN-127(2015-12)
APPLICATION SPECIFICATION
※If terminal is inserted incompletely, terminal lance is not locked with mold lance and terminal is not retained.
※In the case of incomplete insertion (see Fig.6-6), mold lance is deformed. Mold lance kept in such condition
is deformed and not go back to correct position, and retention force may decrease even if terminal is
re-inserted in to housing. In this case, please replace housing to new one.
6. When checking harness after processing, please avoid bending wire excessively or with tension.
That might cause contact failure because force was added to terminal crimping part or receptacle
housing lance part.
7. When having a conduction check, do not attach anything besides applicable mating connector.
That might cause contact failure because of transformation of terminal etc.
Instruction

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ENGLISH
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TITLE: PicoBlade 1.25 DIP TYPE & SMT TYPE
APPLICATION SPECIFICATION
A
SEE SHEET 1 OF 58
THIS DOCUMENT CONTAINS INFORMATION THAT IS PROPRIETARY TO MOLEX ELECTRONIC
TECHNOLOGIES, LLC AND SHOULD NOT BE USED WITHOUT WRITTEN PERMISSION
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DESCRIPTION
DOCUMENT NUMBER
510210000-AS
DOC. TYPE
PS
DOC. PART
000
CUSTOMER
GENERAL
SHEET
20 OF 58
EN-127(2015-12)
APPLICATION SPECIFICATION
6-2．Repair of crimp terminal
When you withdraw the crimp terminal inserted once, please use jig 57072-6000 to raise mold lance.
However, mold lance is deformed by being raised. As strength of the deformed lance decreases extremely,
the terminal might come off easily from housing even if you insert it again.
Therefore, please be sure to change the receptacle housing to a new one when you repair crimp terminal.
Also, please use an appropriate magnifying glass and repair with caution.
※Please avoid pulling off terminal by force.
※When repairing, please be careful not to deform or scratch terminal lance.
※When you use jig 57072-6000, please refer to instruction manual for jig.
Fig.6-7
Step.3
Pull out jig and wires together.
Step.2
Insert a jig and lift up mold lance.
Step.1
Bend the wire in the downward
direction in the figure.