Product Overview and Functions
- Type: 20-pin Male connector, compatible with both plastic and metal housings.
- Termination Method: Solder Type, cable leads must be soldered to the terminal ends.
Main Functions:
- Enables high-density parallel data transmission (SCSI protocol supported).
- Used for creating custom wiring harnesses, providing stable and reliable connections.
- Suitable for applications requiring flexible cable selection and higher current capacity.
Compatible with corresponding Female connectors.
Materials and Structure
- Insulator/Housing Body: PBT + 30% GF (glass fiber reinforced), black, UL94 V-0 flame retardant, high rating, good heat resistance.
- Contacts: Copper Alloy or Phosphor Bronze.
Platement:
- Contact Area: Gold Plating (5U"~30U"), oxidation-resistant and corrosion-resistant.
- Solder Area: Tin Plating, easy to solder.
Structural Features:
- Spacing: 1.27mm (0.05 inch) high-density arrangement.
- Solder Cup/Solder Tail, suitable for manual or semi-automatic soldering.
- It can be assembled into a complete connector by using a plastic hood, metal shield, stress relief clip, etc.
- Supports round cables or multi-core wire harnesses (not dedicated flat ribbon cables).
- Main Electrical and Mechanical Specifications (Typical Values)
| Number of Pins | 20 Pins |
| Rated Current | 1.0 A / pin |
| Withstand Voltage | 250V ~ 500V AC |
| Contact Resistance | ≤ 20–35 mΩ |
| Insulation Resistance | ≥ 500–1000 MΩ |
| Operating Temperature | -25°C ~ +85°C (Industrial grade: -40°C ~ +105°C) |
| Mating/Removal Life | ≥ 500 cycles |
Application Scenarios
- The 20-pin version offers a moderate number of channels and is primarily used in:
- Industrial Automation: Servo drives, motion control, PLC I/O modules.
- Machine Vision: Connecting industrial cameras and controllers.
- Test and Measurement Equipment: Data acquisition cards, test fixtures.
- Medical Equipment: Low to medium channel count imaging or diagnostic equipment.
- Others: Communication equipment, building automation, CNC machine tools, legacy SCSI peripherals, and other applications requiring reliable, high-density connections.
Compared to piercing (IDC) connections, wire bonding is more flexible and can use various round multi-core cables.
Complete assembly diagram after soldering the 20P SCSI male connectors to the cable harness (multi-core cable)
Usage Features and Reminders
- Wire Bonding Advantages: Can use various round multi-core cables, highly flexible, suitable for small-batch custom wire harnesses.
- 20 Pins: Moderate number of channels, balancing density and cost.
- Main Applications: Machine vision, servo control, PLC I/O, testing instruments, medical equipment, etc.
Technical Documentation and Other Information
- Technical Documentation: A complete datasheet (including dimensions, soldering specifications, recommended wire diameter, insertion and extraction force, material report, etc.) is available upon request.
- Assembly Method: Main body + plastic/metal shell + soldered wire harness + stress relief.
- Customization: Supports different shell types (plastic/metal shell), locking methods (spring clips/screws), wire specifications, etc.
- Certifications: RoHS, UL94 V-0, common industrial-grade certifications.
Difference from Piercing Cable (IDC):
- Soldering Cable: High flexibility, can use round cables, suitable for small batches or special wire requirements.
- Piercing Cable: Faster assembly, but mainly limited to flat ribbon cables.
FAQ
Q: Compatible Cable Specifications
A: Compatible with 24-28AWG single-core wire/ribbon cable, wire diameter 0.6-0.9mm.
Q: Electrical Transmission Performance
A: Supports standard SCSI signal transmission, rated voltage 300V, rated current 1A/pin.
Q: Difference from 20P Pierced Version
A: This product features a soldered wire structure for enhanced stability; the pierced version requires no soldering and is suitable for rapid cabling.
Q: Standard Soldering Steps
A: Strip 3-4mm of wire, apply tin pre-treatment. Solder the wires to the corresponding pins in sequence. Arrange the wires and secure the cable clip housing. Retest continuity and short circuits until successful.
Q: Applicable Scenarios
A: Industrial control cabinets, internal equipment wiring, instruments, and wiring for older SCSI devices.
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