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MX23A34SF1 / MX23A34XF1 / MX23A34NF1 Automotive 34-Pin ECU Socket — Electronic Control Unit Connector
MX23A34SF1 / MX23A34XF1 / MX23A34NF1 Automotive 34-Pin ECU Socket Electronic Control Unit Connector
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MX23A34SF1 / MX23A34XF1 / MX23A34NF1 Automotive 34-Pin ECU Socket Connector
The MX23A34SF1, MX23A34XF1, and MX23A34NF1 are 34-pin variants of the JAE MX23A series automotive ECU socket connectors. The MX23A series is a JAE (Japan Aviation Electronics) standard widely used in Japanese and international OEM ECU and control module applications. The three variants differ in housing color and secondary locking mechanism: SF1 (standard), XF1 (with secondary lock), and NF1 (natural/white housing) — all sharing the same 34-pin mating interface and terminal system.
Key Specifications
| Parameter | Value |
|---|---|
| Part Numbers | MX23A34SF1 / MX23A34XF1 / MX23A34NF1 |
| Series | JAE MX23A |
| Pin Count | 34-pin |
| Terminal Pitch | 1.0mm |
| Housing Material | PA66 glass-filled nylon |
| Terminal Material | Tin-plated copper alloy |
| Operating Temperature | -40°C to +125°C |
| Sealing | Unsealed |
| Compliance | RoHS |
JAE MX23A Series — ECU Connector Platform
- JAE OEM standard — Japan Aviation Electronics (JAE) MX23A connectors are used in Honda, Toyota, Nissan, Mitsubishi, and other Japanese OEM ECU and control module applications
- 1.0mm terminal pitch — fine pitch for high pin-count ECU connectors; accommodates signal, CAN bus, LIN bus, and low-current power circuits
- Three housing variants — SF1 (standard black), XF1 (with secondary lock for vibration-critical applications), NF1 (natural/white for color-coded harness identification)
- Interchangeable mating — all three variants share the same 34-pin mating interface and are interchangeable from a wiring harness perspective
Typical Applications
- Honda / Toyota / Nissan ECU connector repair
- Engine management system connector replacement
- Body Control Module (BCM) connector repair
- Instrument cluster and infotainment connector replacement
- Custom ECU wiring harness fabrication
Frequently Asked Questions
Q: Which variant should I choose — SF1, XF1, or NF1?
Match the variant to your original connector. If the original is black with no secondary lock, use SF1. If it has a secondary locking lever or tab, use XF1. If the original is white or natural-colored, use NF1. All three variants use the same terminals and mate with the same counterpart connector.
Q: What terminals does the MX23A34 use?
The MX23A series uses JAE MX23A-series crimp terminals sized for 0.13–0.35mm² (26–22 AWG) wire. Use a precision micro-crimping tool compatible with 1.0mm pitch JAE terminals. Standard automotive crimpers are too large for MX23A terminals.
