J30J Metal-Shell Micro-D Connectors
1.27 mm pitch · 5 to 144 contacts · twist-pin contacts
J29 Twist-Pin Micro-Rectangular Connectors, 1.91 mm Pitch
Twist-pin contacts · 1.91 × 1.65 mm grid · 9–66 contacts · 5 A
J29 sits between Micro-D and standard D-sub: gold-plated twist-pin contacts on a 1.91 mm × 1.65 mm grid carry 5 A each with up to seven contact points per pin. Metal shells come in eight sizes from 9 to 66 contacts, with crimp, solder, straight PCB and right-angle PCB terminations and a 220 °C high-temperature version.
- Contact grid
- 1.91 × 1.65 mm
- Contacts
- 9 to 66
- Current
- 5 A per contact
- Withstanding voltage
- 1500 VDC
- Temperature
- −55 to +125 °C (220 °C J29G)
- Mating cycles
- 500
Request a quoteRequest drawingDownload datasheet (PDF)PDF, 213 KB
Key features
- Gold-plated twist pins (wire spring) with up to seven contact points, rigid socket contacts
- 1.91 mm contact pitch, 1.65 mm row spacing: denser than D-sub, 5 A per contact
- Shielded metal shells in eight sizes: 9, 15, 21, 25, 31, 37, 51 and 66 contacts
- Crimp, solder, straight PCB (1.91 × 1.65 grid) and right-angle PCB (1.91 × 2.54 or 3.82 × 2.54 grid)
- Standard, -A and -A1 flange widths; backshells with or without cable clamp
- Pre-wired versions with 300 mm leads as standard, other lengths on request
- J29G high-temperature version to 220 °C; J29M version
Specifications
| Parameter | Value | Condition |
|---|---|---|
| Rated current | 5 A | |
| Contact resistance | ≤ 10 mΩ | |
| Withstanding voltage | 1500 VDC | |
| Insulation resistance | ≥ 5000 MΩ / ≥ 1 MΩ | Normal / damp heat |
| Parameter | Value | Condition |
|---|---|---|
| Durability | 500 mating cycles | |
| Vibration | 10–2000 Hz, 196 m/s² | |
| Shock | 1200 m/s², 6 ms |
| Parameter | Value | Condition |
|---|---|---|
| Operating temperature | −55 to +125 °C | J29G: 220 °C |
Parameters not listed above — for example vibration level, leak rate or other environmental tests — can be tested to your requirements, including third-party testing.
Shell dimensions
| Contacts | A (mm) | Mounting holes B (mm) |
|---|---|---|
| 9 | 26.1 | 20.1 |
| 15 | 31.6 | 25.6 |
| 21 | 37.3 | 31.3 |
| 25 | 42 | 36 |
| 31 | 47.8 | 41.8 |
| 37 | 53.5 | 47.5 |
| 51 | 52 | 46 |
| 66 | 61.5 | 55.5 |
Mounting holes Ø3.70 mm.
Versions
| Series code | Version | Notes |
|---|---|---|
| J29A | Standard version | |
| J29A-…-A / -A1 | Flange as wide as the rear body (-A), or intermediate width (-A1) | |
| J29M | Crimp and solder versions | |
| J29G | High-temperature version, 220 °C |
How to order
J29A-[contacts][type][termination][hardware]-[version][backshell]
Example: J29A-25ZKN — 25-contact receptacle with socket contacts, straight PCB tails on 1.91 × 1.65 mm grid
| Code segment | Options |
|---|---|
| Contacts | |
| Type | |
| Termination | |
| Hardware | |
| Version | |
| Backshell |
Pre-wired connectors are supplied with 300 mm leads of 0.20 mm², 250 V wire unless you specify otherwise.
Contact counts and terminations
Standard contact counts
- 9
- 15
- 21
- 25
- 31
- 37
- 51
- 66
Terminations
- Crimp (pre-wired)
- Solder
- Straight PCB
- Right-angle PCB
Typical applications
- Rugged computers and control units
- Test and measurement equipment
- Rail signalling and on-board electronics
- Industrial automation and robotics
Frequently asked questions
How does J29 compare with Micro-D?
J29 uses the same twist-pin principle as Micro-D (J30J) but on a larger 1.91 × 1.65 mm grid, so each contact carries 5 A instead of 3 A while staying smaller than a standard D-sub.
Can you supply J29 pre-wired?
Yes — crimp versions are supplied with leads, 300 mm of 0.20 mm² wire as standard, or the length and wire you specify.
Related series
J30JZ Twist-Pin Micro-D Connectors, Compact and Long-Life
Twist-pin contacts · ≈ 40 % of J30J volume · 9 to 100 contacts
HJ30J High-Speed Micro-D Connectors
100 Ω differential pairs · up to 3.125 Gbps board-to-board
From sample to production
Send your requirements
Part number, drawing, pin-out or a short description of your application.
Configuration and quote
Our engineers match the configuration and reply with a drawing and quotation.
Samples
Samples are built to order. The minimum order quantity is 10 pieces, and samples and production orders each take 4–8 weeks. Third-party testing to your specification is available on request.
Your approval
You test the samples in your own equipment and approve them.
Series production
Production follows the approved sample configuration, with machining, molding, plating and assembly in our own Shenyang factory.
Need a quote or a drawing?
Send your part number, pin-out or drawing. Every inquiry is acknowledged by email within 1 business day, and an engineer follows up with a matched configuration, drawing or quotation.