J63A Series Nano D Connectors
Product Overview
The J63A Series Nano D Connectors are ultra-miniature, high-density rectangular connectors designed for aerospace, defense, avionics, satellite, industrial automation, and other mission-critical electronic systems. Engineered to deliver exceptional reliability in compact spaces, these connectors combine lightweight construction with outstanding electrical and mechanical performance.
The J63A and J70A series share identical electrical and mechanical characteristics, differing only in their external dimensions.
Featuring 0.635 mm contact spacing and advanced Twist Pin contact technology, the J63A Series provides stable electrical performance, low contact resistance, and superior durability. The precision screw-lock coupling mechanism ensures secure mating, smooth engagement and disengagement, and excellent resistance to vibration and mechanical shock.
Designed for high-density interconnection, the J63A Series is an ideal solution for applications requiring miniaturization, lightweight construction, and long-term reliability.
Key Features
- Ultra-miniature Nano D rectangular connector
- High-density contact configuration
- 0.635 mm contact pitch
- Advanced Twist Pin® contact technology
- Lightweight and compact design
- Secure screw-lock coupling
- Smooth insertion and extraction
- High vibration and shock resistance
- Excellent electrical reliability
- Designed for mission-critical applications
Available Contact Arrangements
The J63A Series is available in the following contact counts:
- 5 Contacts
- 9 Contacts
- 15 Contacts
- 21 Contacts
- 25 Contacts
- 31 Contacts
- 37 Contacts
- 51 Contacts
- 65 Contacts
- 69 Contacts
- 85 Contacts
Mechanical Design
- Contact Pitch: 0.635 mm
- Wire Size (Crimp): 0.035 mm²
- Plug: Twist Pin contacts
- Receptacle: Socket contacts
- Coupling Method: Precision screw-lock
- Available in free-end and fixed-end configurations
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Series | J63A |
| Contact Pitch | 0.635 mm |
| Available Contacts | 5, 9, 15, 21, 25, 31, 37, 51, 65, 69, 85 |
| Wire Size | 0.035 mm² |
| Rated Current | 1 A |
| Contact Resistance | ≤21 mΩ |
| Insulation Resistance | ≥5000 MΩ @100 VDC |
| Dielectric Withstanding Voltage | 250 VAC |
| Operating Temperature | -55°C to +125°C |
| Mechanical Life | ≥200 Mating Cycles |
| Vibration | 10–2000 Hz, 196 m/s² |
| Random Vibration | 0.4 G²/Hz (23.1 Grms) |
| Shock Resistance | 980 m/s² (6 ms) |
Applications
The J63A Series is widely used in:
- Aerospace Systems
- Military & Defense Electronics
- Avionics
- UAV & Drone Platforms
- Satellite Systems
- Radar Equipment
- Communication Systems
- Industrial Automation
- Medical Equipment
- Test & Measurement Instruments
- Embedded Electronic Systems
Advantages
- Ultra-compact Nano D design
- High-density signal transmission
- Reliable Twist Pin technology
- Secure screw-lock coupling
- Excellent vibration and shock resistance
- Lightweight construction
- Long service life
- Stable electrical performance
- Ideal for space-constrained, high-reliability applications
Environmental Performance
- Operating Temperature: -55°C to +125°C
- Resistant to severe vibration and mechanical shock
- Designed for harsh aerospace, military, and industrial environments
- Reliable performance under continuous operation
