Molex, 51021 Female Connector Housing, 1.25mm Pitch, 4 Way, 1 Row
- RS Stock No.:
- 279-9162P
- Mfr. Part No.:
- 51021-0400
- Brand:
- Molex
Subtotal 5 units (supplied in a bag)*
£0.87
(exc. VAT)
£1.045
(inc. VAT)
FREE delivery for orders over £50.00
In Stock
- Plus 52,860 unit(s) shipping from 06 October 2025
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit |
---|---|
5 + | £0.174 |
*price indicative
- RS Stock No.:
- 279-9162P
- Mfr. Part No.:
- 51021-0400
- Brand:
- Molex
Specifications
Technical Reference
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
---|---|---|
Brand | Molex | |
Number of Contacts | 4 | |
Number of Rows | 1 | |
Pitch | 1.25mm | |
Gender | Female | |
Mounting Type | Cable Mount | |
Series | 51021 | |
For Use With | PicoBlade Wire-to-Board Connector, PicoBlade Wire-to-Wire Connector | |
Body Orientation | Straight | |
Length | 6.75mm | |
Width | 3.2mm | |
Housing Material | Polyester | |
Select all | ||
---|---|---|
Brand Molex | ||
Number of Contacts 4 | ||
Number of Rows 1 | ||
Pitch 1.25mm | ||
Gender Female | ||
Mounting Type Cable Mount | ||
Series 51021 | ||
For Use With PicoBlade Wire-to-Board Connector, PicoBlade Wire-to-Wire Connector | ||
Body Orientation Straight | ||
Length 6.75mm | ||
Width 3.2mm | ||
Housing Material Polyester | ||
- COO (Country of Origin):
- KR
Molex PicoBlade Series 51021 Connector Housings
The PicoBlade 51021 Series can be used across a number of applications such as automotive, industrial, consumer, computing and medical. The PicoBlade connector system is offered in wire to board and wire to wire options and is ideal for saving PCB space.
Features and Benefits
• Single row, wire to wire and wire to board housings
• Straight friction locks provide secure mating
• Compact design
• 1.25 mm pitch
• 2 to 15 circuits
• The crimp terminals are polarised to prevent incorrect insertion
• Straight friction locks provide secure mating
• Compact design
• 1.25 mm pitch
• 2 to 15 circuits
• The crimp terminals are polarised to prevent incorrect insertion
Standards
UL (E29179); CSA (LR19980)
Molex Connector Housing, 1A Maximum Current, PBT Housing Material - 51021 Series - 51021-0400
When you need to save space on your PCB, make compact links with this connector housing from Molex. The unit lets you connect up to four circuits to power your wire-to-board or wire-to-wire applications. It also protects conductors against knocks to help prevent accidental disconnections that lead to service interruptions. As it's made of robust PBT, this component's a reliable performer in tough conditions where temperatures between -40°C and +85°C can be expected.
Features & Benefits
• Two-point contact design for reliable connections
• Polarised to prevent electrical faults caused by mismating
• Weighing only 42.2mg, it adds minimal strain to your PCB
• Polarised to prevent electrical faults caused by mismating
• Weighing only 42.2mg, it adds minimal strain to your PCB
Applications
• Medical devices
• Telecommunications equipment
• Industrial control panels
• Consumer appliances
• Telecommunications equipment
• Industrial control panels
• Consumer appliances
Why is it better to create PCB connections using a connector housing?
When you attach wires directly to PCBs, the connection is exposed to damage such as corrosion or impact. A connector housing shields your conductors and achieves a secure bond with your PCB.
Approvals
UL (E29179); CSA (LR19980)
1.25mm Wire to Board - Molex PicoBlade™