Custom 1.25mm Pitch Wire Harness | Molex 51021 & 215759 Compatible Assembly
Designed for compact electronics, this custom 2-core wire harness features precision-terminated 1.25mm pitch connectors (compatible with Molex PicoBlade™ 51021 and Micro-Lock 215759 series). It offers reliable signal and power transmission for space-constrained consumer electronics and industrial equipment, ensuring a secure mating interface and durable crimping performance.
Micro-Pitch Interconnect Solutions: 1.25mm Wire Assembly
Kaweei specializes in the high-precision assembly of fine-pitch wire harnesses. For applications requiring 1.25mm pitch connections—such as the Molex 51021 (PicoBlade) and 215759 series—we provide factory-grade termination services. We bridge the gap between raw components and finished assemblies, solving the difficulty of crimping microscopic terminals for consumer and industrial devices.
| Component Spec | Detail (MPN Reference) | Kaweei Customization Value |
|---|---|---|
| Connector A | Molex 51021-0200 Style | Precision Crimping: Terminating the tiny 50079-8000 contacts requires automated machinery. We ensure the crimp height and width meet strict IPC standards to prevent loose connections. |
| Connector B | Molex 215759-1002 Style | Sourcing Flexibility: We can source genuine Molex housings and terminals (206460-0011) or high-quality cost-effective equivalents depending on your project budget and BOM requirements. |
| Wire Configuration | 2-Core (2C) Discrete Wire | Wire Selection: We select the appropriate AWG (typically 26-32 AWG for 1.25mm pitch) with UL-rated insulation (e.g., UL1007, UL1061) to fit perfectly inside the connector housing without forcing. |
| Pitch Size | 1.25mm (Fine Pitch) | Space Saving: Designed for high-density PCBs where space is at a premium, ensuring a low-profile connection for compact device enclosures. |
| Quality Control | Pull-Force Testing | Reliability: Micro-connectors are fragile. We perform pull-force tests on the crimped terminals to verify mechanical strength before insertion into the housing. |
Why Automated Assembly Matters for 1.25mm Pitch
In the world of micro-electronics, manual tooling is often insufficient. Kaweei delivers consistency through automation:
- No "Back-Outs": We inspect every connector to ensure the terminal locking lance is fully engaged within the housing, preventing wires from backing out during vibration.
- Custom Lengths: Whether you need a short 50mm jumper or a long 1000mm run, we cut and strip wires to your exact specification.
- Mixed Assembly: We can terminate one end with these 1.25mm connectors and the other end with stripped wires or different connector types (USB, JST, etc.) to suit your specific board design.
Technical Specifications
| Wire Type | Single Core |
| Connector Type | Molex 1.25mm pitch |
| Outer Jacket Material | PVC |
| Applications | Industrial Equipment and Consumer Electronics |
Key Features
Wide Temperature Range
Designed for -40°C to +105°C, ensuring stable operation from freezing outdoors to high-temperature workshops.
Vibration Proof
Special thread locking or latch mechanisms ensure connections remain secure even in high-vibration environments.
Easy Installation
Standardized interface dimensions support quick assembly and disassembly, reducing on-site maintenance costs.
Multi-Certified
Products hold CE, UL, TUV, and other authoritative certifications, ensuring reliability for global markets.
