Molex 43640-0400 - suqinszconnectors.com https://www.suqinszconnectors.com Your Trusted Connector Partner for Wire Harness Manufacturers Wed, 31 Dec 2025 08:14:21 +0000 en-US hourly 1 https://wordpress.org/?v=6.9.4 https://www.suqinszconnectors.com/uploads/cropped-Logo1-1-32x32.png Molex 43640-0400 - suqinszconnectors.com https://www.suqinszconnectors.com 32 32 Molex 43640-0400 Micro-Fit 3.0 Plug Housing | 4-Pin, 3mm Pitch, Panel Mount https://www.suqinszconnectors.com/molex-43640-0400-micro-fit-3-0-plug-housing-4-pin-3mm-pitch-panel-mount-product/ Wed, 31 Dec 2025 08:02:15 +0000 https://www.suqinszconnectors.com/?p=26841 Purchase Molex 43640-0400 Micro-Fit 3.0 Plug Housing. 4-position, 3mm pitch, UL 94V-0 rated for power and wire-to-wire applications. High-quality panel mount design at Suqin SZ Connectors.

The post Molex 43640-0400 Micro-Fit 3.0 Plug Housing | 4-Pin, 3mm Pitch, Panel Mount first appeared on suqinszconnectors.com.

]]> Purchase Molex 43640-0400 Micro-Fit 3.0 Plug Housing. 4-position, 3mm pitch, UL 94V-0 rated for power and wire-to-wire applications. High-quality panel mount design at Suqin SZ Connectors.

Data Overview

AttributeSpecification
ManufacturerMolex
Part Number43640-0400
SeriesMicro-Fit 3.0
Product TypePlug Housing
Number of Positions4
Number of Rows1
Pitch3 mm (0.118 in)
Mounting StylePanel Mount
Termination StyleCrimp
Contact GenderPin (Male)
ApplicationWire-to-Wire, Power
Current Rating5 A
Voltage/FlammabilityUL 94 V-0
Housing MaterialPolyester
ColorBlack
Temperature Range-40°C to +105°C

Product Details

Feature Advantage Benefit
Micro-Fit 3.0 Compact DesignFeatures a small 3.0mm pitch while handling up to 5A current.Space Efficiency: Perfect for high-density power applications where PCB and panel space are limited, without sacrificing performance.
Integrated Panel Mount EarsBuilt-in mounting style allows the plug to be securely fixed to a chassis or panel.Structural Stability: Provides a robust wire-to-wire interface that stays in place, preventing strain on internal wiring during repeated mating cycles.
UL 94V-0 Polyester MaterialConstructed from high-quality black polyester with the highest flammability rating.Enhanced Safety: Minimizes fire risks in power-sensitive environments like medical devices or industrial controls, ensuring long-term safety compliance.
Wide Operating TemperatureFully functional in temperatures ranging from -40°C to +105°C.Environmental Resilience: Operates reliably in both extreme cold and high-heat industrial settings, reducing the risk of material degradation or electrical failure.

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● Original genuine guarantee
Support professional consultation

● After-sales problems
Ensure that the imported original products are genuine. If there is a quality problem, it will be solved within one month of receiving the goods.

Q1: Does the Molex 43640-0400 come with male pins included?

A: No, this is the plug housing only. You will need to purchase the compatible Micro-Fit 3.0 male crimp terminals separately based on your wire gauge (AWG).

Q2: What is the maximum current this 4-pin connector can handle?

A: The 43640-0400 is rated for up to 5A per circuit, making it an excellent choice for low-to-medium power wire-to-wire connections.

Front view of Molex 43640-0400 Micro-Fit 3.0 4-position plug housing showing panel mount ears and 3mm pitch ports.
Rear view of Molex 43640 series 4-pin plug showing wire entry points for male crimp terminals.
Mating interface of Molex 43640-0400 showing locking ramp and polarized housing for secure connection.
Original bulk packaging of Molex 43640-0400 Micro-Fit 3.0 connectors with factory labels.

The post Molex 43640-0400 Micro-Fit 3.0 Plug Housing | 4-Pin, 3mm Pitch, Panel Mount first appeared on suqinszconnectors.com.

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