What are the key electrical specifications?

The switch is rated for 50mA at 12V DC, with a contact resistance of 100 mΩ and insulation resistance of 100 MΩ.

What is the pinout of KH-4.5X4.5X4.3H-B3J?

Use the KH-4.5X4.5X4.3H-B3J datasheet for the official pinout diagram and pin names. In PartGenie, ask Datasheet AI about KH-4.5X4.5X4.3H-B3J pinout to locate pins, power rails, and interface signals before layout.

KH-4.5X4.5X4.3H-B3J Datasheet, Specs, Alternatives & ECAD | kinghelm(金航标)

AI summary

The KH-4.5X4.5X4.3H-B3J is a compact 4.5mm x 4.5mm tactile switch designed for through-hole PCB mounting, featuring a 4.3mm height and 160gf operating force.

Best for

Consumer electronics
Control panels

Avoid if

High-current applications
Harsh environments requiring high IP ratings

Check before use

PCB footprint compatibility
Operating force requirements

Key specifications

Operating Force: 160gf ± 50gf
Life Cycle: 50,000 cycles
Dimensions: 4.5mm x 4.5mm x 4.3mm

Application

Consumer ElectronicsIndustrial Control

Alternative components

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

It is a miniature tactile switch with a 4.5mm x 4.5mm footprint and 4.3mm height, suitable for low-voltage signal switching.