Automotive Connector Terminal – 8230-5426 / DJ623F-3.5B, 3.5mm Female Crimp Contact for Yazaki Medium-Current Connectors

Part number 8230-5426 / DJ623F-3.5B are 3.5mm female crimp terminals for Yazaki medium-current automotive connector systems. The Yazaki 8230-XXXX part number format identifies this as a Yazaki terminal. The 3.5mm pitch is used in Yazaki’s medium-current connector families for power distribution, motor connections, and higher-current actuator circuits — providing more current capacity than the 0.6mm or 1.2mm signal contacts while remaining more compact than 6.3mm high-current terminals.

Key Specifications

• Part Designations: 8230-5426 (Yazaki), DJ623F-3.5B (Chinese standard)
• Contact Type: Female crimp terminal (socket contact)
• Contact Pitch: 3.5mm
• Wire Range: 0.5–2.0mm² (20–14AWG)
• Current Rating: 10–15A per contact
• Contact Material: Copper alloy, tin-plated
• Application: Yazaki medium-current connectors in Toyota, Ford, and Mazda vehicles

Yazaki Terminal Pitch Series — Selection Guide

• 0.6mm (8230-5961): Ultra-high-density signal circuits. ECU main connectors.
• 1.2mm (8240-0748): High-density signal circuits. ECU sub-connectors, body electronics.
• 3.5mm (8230-5426, this product): Medium-current circuits (10–15A). Motor connections, relay sockets, heated accessories.
• 5.5mm / 6.3mm: High-current circuits (20–30A+). Main power distribution, starter, alternator.
• Always match the terminal pitch to the existing connector housing cavity size.

Frequently Asked Questions

What applications use Yazaki 3.5mm terminals in Toyota/Ford vehicles?

3.5mm terminals are used for medium-current circuits: (1) Window regulator motor connections — motor current 5–10A. (2) Cooling fan motor connections — low-speed fan current 8–12A. (3) Heated seat connections — seat heater element current 8–12A. (4) Fuel pump relay connections. (5) Horn relay contacts. These are the most common locations for 3.5mm terminal damage from overheating and corrosion in Toyota and Ford vehicles.

What crimp tool is required for Yazaki 8230-5426 terminals?

Yazaki specifies a dedicated crimp tool for 3.5mm contacts. Cross-reference 8230-5426 in the Yazaki catalog to identify the required crimp tool. Using the wrong crimp tool produces an incomplete crimp. For professional Toyota/Ford harness repair, use the Yazaki-specified ratchet crimp tool with the correct die for 3.5mm contacts.

Can I use these terminals to repair a Toyota fuse box?

Yes, if the fuse box uses Yazaki 3.5mm terminals. Burnt fuse box terminals are a common failure in Toyota vehicles. Repair: (1) identify and fix the root cause; (2) extract the burnt terminal; (3) crimp a new 8230-5426 terminal; (4) reinsert into the fuse box housing. If the housing cavity is melted, replace the fuse box housing.

Typical Applications

• Toyota vehicles: Medium-current circuit terminal replacement in Yazaki connector housings
• Ford/Mazda vehicles: 3.5mm terminal replacement in medium-current connector systems
• Automotive workshops: Workshop stock for Toyota/Ford medium-current terminal repairs

Package Contents

Automotive crimp terminals, 8230-5426 / DJ623F-3.5B (quantity as selected). Connector housing not included.