Technical Resources

HK-KWQMY1-0Z

6 pages · Round Miniature

HK-KWQM5-2-28

6 pages · Screw-Clamp Terminal

HK-KWQMY2-3AT11-1

5 pages · Miniature EMI Shielded

HK-KWQMY2-3AT128-2

5 pages · Dual-Switch Assembly

HK-Membrane Switch

Thin-Film Keypad

HK-Membrane Panel

Decorative Overlay

HK-Metal Keypad

Rugged Keyboard

HK-Pressure Sensor

Thin-Film Force Sensor

HK-Touch Switch

Capacitive + LED Backlight

📐 Engineering Drawings

Dimensioned outline drawings, circuit diagrams, and operating positions

KWQM4 — Outline & Mounting

Dimensioned outline drawing

KWQM4 — Circuit Diagram

Schematic & pin assignments

KWQM4 — Operating Positions

Actuator positions reference

Membrane Switch — Dimensions

Outline & mounting dimensions

Membrane Switch — Circuit

Circuit design & layout

Membrane Switch — Pinout

Pin configuration & interface

📋 Standards & Specifications

Industrial, space, and enterprise quality standards

GJB 809B-2013

General Specification for Micro Switches

GJB 360B-2009

Test Methods for Electronic Components

GB/T1804-c

General Tolerances — Coarse Grade

Q/MA20347/Z-2019

KWQM4 Series Detail Spec (J/Z Grade)

YHYB S1201/001-2013

Space-Grade KWQM4-4Z Detail Spec

CASTPS04/026-2018

High-Altitude Platform Procurement Specification

📖 Technical Guides

In-depth articles on selection, design, and application engineering

Hermetic Micro Switches: A Guide for System Designers

Selection guide · Environmental · Certification

Read Guide →

Selecting Micro Switches for UAV Flight-Critical Systems

UAV · Flight safety · FTS · MIL-PRF-8805

Read Guide →

🛰️ Application Solutions

Engineered solutions by domain and environment

Aerospace & Mission-Critical

High-Altitude Platform · Flight Systems · Mission-Critical systems

UAV & Drone Systems

Payload release · FTS · Battery disconnect

Industrial Automation

Cryogenic · Vacuum · Chemical · Food-grade

Cryogenic & Vacuum

Liquid gas · Superconducting · Space simulation