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DJ627-7.8B Automotive 7.8mm Female Wire Terminal — Soft Jacket | Fuse Box & Wire Harness
The DJ627-7.8B is a 7.8mm series automotive-grade female crimp terminal with soft jacket (flexible PVC overmould), manufactured from tin-plated brass. Designed for high-current fuse box wiring, relay socket connections, and automotive power distribution harnesses, this terminal provides reliable electrical contact with excellent corrosion resistance and strong crimp retention. The soft jacket adds strain relief and environmental protection at the wire entry point, preventing wire fatigue and moisture ingress in under-hood conditions. Supplied in a 50PCS pack.
Technical Specifications
| Parameter | Value |
|---|---|
| Model | DJ627-7.8B |
| Terminal Pitch | 7.8mm |
| Gender | Female (crimp contact) |
| Material | Brass, tin-plated |
| Jacket Type | Soft jacket (flexible PVC overmould) |
| Dimensions | H: 4.70mm / W: 9.20mm / L: 24.0mm |
| Pack Quantity | 50PCS |
| Certification | CE |
| Origin | Mainland China |
Key Features
- ✅ 7.8mm pitch — standard automotive terminal size for high-current power circuits (up to 40A)
- ✅ Soft jacket design — flexible PVC overmould provides strain relief and moisture protection at wire entry
- ✅ Tin-plated brass — low contact resistance, corrosion-resistant, reliable long-term performance
- ✅ CE certified — meets European automotive electrical component standards
- ✅ 50PCS pack — sufficient for multiple connector assemblies and harness repair jobs
Common Applications
- Automotive fuse box wiring harness connections (high-current circuits)
- Relay socket terminal replacement
- Power distribution connector re-termination
- Custom automotive wiring harness fabrication
- OEM and aftermarket high-current circuit repair
Crimping Guide
- Strip 7–9mm of insulation from the wire end.
- Insert the wire into the terminal crimp barrel, ensuring the conductor extends slightly beyond the barrel.
- Crimp the wire barrel using a ratchet crimping tool with the appropriate 7.8mm die.
- Crimp the soft jacket insulation barrel for strain relief.
- Insert the crimped terminal into the 7.8mm connector housing until it clicks into the retention position.
FAQ
Q: What wire gauge is compatible?
A: The DJ627-7.8B terminal is designed for 2.5–6.0mm² (AWG 14–10) wire, suitable for automotive high-current power and relay circuits up to 40A.
Q: What is the soft jacket for?
A: The soft jacket (flexible PVC overmould) provides strain relief at the wire entry point, preventing wire fatigue from vibration and flexing, and adds a degree of moisture protection at the connector rear.
Package Contents
- 50× DJ627-7.8B Tin-Plated Brass 7.8mm Automotive Female Wire Terminal with Soft Jacket


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