Micro-Fit 3.0 Vertical Header, 3.00mm Pitch, Dual Row, 4 Circuits, with PCB Press-fit Metal Retention Clip
Connector Header Through Hole 4 position 0.118" (3.00mm)
The Molex 0430450426 is a 4-position vertical PCB header belonging to the Micro-Fit 3.0 series, designed for compact and reliable power and signal wire-to-board connections. It features a 3.00 mm pitch, through-hole mounting, and a shrouded design for secure mating with compatible receptacles.
This connector is commonly used in applications requiring medium-current power delivery in a compact footprint, such as industrial equipment, automotive electronics, consumer devices, and telecommunications systems. It supports a robust locking mechanism to prevent accidental disengagement and ensures stable electrical performance in vibration-prone environments.
Key Features
4-position vertical PCB header
3.00 mm pitch (Micro-Fit 3.0 family)
Through-hole solder termination
Shrouded, polarized housing for correct mating
Locking ramp / retention feature for secure connection
Rated for medium-power applications (varies by wire gauge, up to industrial-level current use cases)
Operating temperature range: -40°C to +105°C
High-voltage capability (up to ~600 V rating depending on configuration)
Suitable for automotive, industrial, medical, and telecom systems
Typical Applications
Industrial control systems
Automotive electronics modules
Power supply interconnects
Communication equipment
Embedded systems and PCB power distribution
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