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8B Series Pushbutton Switches

8B Series sub-miniature Pushbutton Switches(SMT)
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Technical Parameters

Specification
MAX.CURRENT/VOLTAGE RATING WITH RESISTIVE LOAD:

3A with resistant load @120 VAC or 28VDC

1A with resistant load @250 VAC

CONTACT RESISTANCE: 20mΩ max. (initial value) @ 2-4VDC   100mA for both silver and gold plated contacts.
DIELECTRIC STRENGTH: 1000 Vrms min.@sea level. (initial value)
MECHANICAL LIFE: 50,000 make-and-break cycles
OPERATING TEMPERATURE: -30°C to 85°C
INSULATION RESISTANCE: 1,000MΩ min./1000VDC
Material
CASE: Glass filled nylon 6/6, flame retardant, heat stabilized ( UL94V-0 ).
PLUNGER: Thermoplastic polyester (UL 94V-0), internal o-ring sealed.
SWITCH SUPPORT:  Brass, tin plated.
CONTACT: Silver or gold plated copper

Product Description:

The 8B series consists of ultra-compact surface-mount sealed push-button switches, which are highly integrated circuit control components designed specifically for compact electronic devices


Advantages:

1. Simple and Reliable Switching Function;
Offers momentary ON and momentary OFF functions to meet standard application needs with clear actuation.

2. Excellent Waterproof Performance;
The only opening is sealed with rubber, achieving IP67 certification to ensure stable and reliable operation in wet or water‑exposed environments.

3. Flexible SMT Terminal Options;
Provides MT terminals (straight‑lead SMT type) and standard MZ terminals to accommodate different surface‑mount process requirements.

4. High‑Temperature Material and High Current Rating;
The switch materials are rigorously tested to withstand standard reflow soldering temperatures; the silver‑terminal version offers a current rating up to 3A at 120VAC or 28VDC, balancing process compatibility with electrical performance.


Application:

Industrial automation control equipment, precision instruments and meters, telecommunications equipment, consumer electronics, medical devices, transportation equipment, etc.


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