Mingching Electronics Technology Co., Ltd. is one of the most professional manufacturers and suppliers of db25 shielded cable assembly | custom multi-core signal cable in China, also supports customized service. Welcome to wholesale high quality db25 shielded cable assembly | custom multi-core signal cable for sale here from our factory. Also, free sample is available.
Key Components & Functions
|
Component |
Material/Specification |
Function |
|
DB25 Male Connector |
Full metal shielded housing, 25-pin D-sub standard |
Metal shell connects to the overall cable shield, effectively suppressing external electromagnetic interference (EMI) – over 30% better noise immunity than plastic shells |
|
25-Core Cable |
26AWG tinned copper, PVC or PE insulation |
Balanced signal transmission and outer diameter; supports up to 10-15 meters; each core color-coded for easy identification |
|
Independent Shield Drain Wire |
Tinned copper, matching core AWG |
One end connected to metal shell, the other end exposed – allows flexible single-end or double-end grounding, avoids ground loops |
|
Bare-Wire Lead Processing |
Precision stripping, twisting, tinning or terminal crimping per drawing |
Each core is sorted, stripped to length, and labeled; ready for soldering or terminal block connection, greatly reducing assembly errors |
|
Crimping Process |
Fully automatic crimping, IPC/WHMA-A-620 standard |
Controlled crimp height and pull force for each contact, low contact resistance, eliminates signal dropouts |
Features
- High Shielding Effectiveness – Metal housing + overall shield + independent drain wire, designed for industrial environments (motors, VFDs, switching power supplies)
- Fully Customizable – Wire gauge (26AWG ~ 22AWG), length (0.3m ~ 30m), lead processing (stripping/tinning/crimping/overmolding) all available
- Precision Manufacturing – Automatic crimping and stripping equipment ensures batch consistency
- Flexible Grounding – Exposed shield drain wire adapts to different field grounding strategies
- Flexible & Durable – Multi core cable with flexible insulation, suitable for repeated bending inside cabinets
Applications
- Industrial Control Equipment – Signal connections for PLCs, servo drives, CNC controller
- Serial Communication Devices – RS-232 / RS-422 / RS-485 multi-core interfaces
- Test & Measurement Instruments – Data acquisition cards, oscilloscope interfaces, signal generators
- Audio/Video Control – Multi-core control cables for certain professional audio equipment
- Custom Internal Wiring – 25-core connections between interface board and main control board inside equipment
Customization Options
Mingching supports the following customizations. Simply provide a drawing or describe your requirements:
|
Customization Item |
Options |
|
Connector Type |
DB25 male/female, metal or plastic shell, with or without threaded locking |
|
Wire Gauge |
26AWG / 24AWG / 22AWG |
|
Cable Material |
PVC / Low Smoke Zero Halogen (LSZH) / High-flex continuous flex cable |
|
Cable Length |
Any length (±20mm tolerance) |
|
Lead Processing |
Stripped + tinned / Pre-crimped terminals / Overmolded strain relief / Heat-shrink tube labeling |
|
Shielding Type |
Overall aluminum foil + tinned copper braid / Braid only / Foil only |
|
Drain Wire |
Independent shield drain wire with specified length and end treatment |
|
Identification |
Wire marker sleeves / Heat-shrink labels / Colored cable ties |
Why Choose Mingching?
- Proven Signal Stability – The metal shield + independent drain wire solution has been validated at multiple industrial control customer sites, effectively reducing communication errors.
- Reliable Batch Delivery – Fully automatic crimping and inspection processes; continuity, hi-pot, and shield continuity tests on each batch ensure consistency.
- Small-Batch Fast Response – No MOQ restrictions; samples in 5-7 days, batch orders in 15-20 days.
- Extensive Experience – Long-term supplier of custom multi-core cable assemblies for industrial, communication, and medical equipment, covering DB25, DB9, HDMI, and the full D-sub range.
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