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03-07

Process Sealed Subminiature Antistatic Pushbuttons

Series BB

General Specifications

Electrical Capacity (Resistive Load)

Logic Level:

0.4VA maximum @ 28V AC/DC maximum

(Applicable Range 0.1mA ~ 0.1A @ 20mV ~ 28V)

Note: Find additional explanation of operating range in Supplement section.

Other Ratings

Contact Resistance:

50 milliohms maximum

Insulation Resistance:

500 megohms minimum @ 500V DC

Dielectric Strength:

500V AC minimum for 1 minute minimum

Mechanical Life:

50,000 operations minimum (momentary)

25,000 operations minimum (alternate action)

Electrical Life:

50,000 operations minimum (momentary)

25,000 operations minimum (alternate action)

Nominal Operating Force:

2.55N (momentary); 2.94N (alternate action)

Contact Timing:

Nonshorting

Travel:

Momentary: Pretravel .028” (0.7mm); Overtravel .016” (0.4mm); Total Travel .043” (1.1mm)

Alternate: Pretravel .039” (1.0mm); Overtravel .039” (1.0mm); Total Travel .079” (2.0mm)

Materials & Finishes

Plunger:

Polyacetal

Bushing:

Carbon blended polyamide

Case Housing:

Glass fiber reinforced polyamide

Support Bracket:

Tin plated phosphor bronze

Movable Contact:

Phosphor bronze with gold plating

Stationary Contacts:

Copper alloy with gold plating

Terminals:

Copper alloy with gold plating

Environmental Data

Operating Temp Range:

–30°C through +85°C (–22°F through +185°F)

Humidity:

90 ~ 95% humidity for 96 hours @ 40°C (104°F)

Vibration:

10 ~ 55Hz with peak-to-peak amplitude of 1.5mm traversing the frequency range

& returning in 1 minute; 3 right angled directions for 2 hours

Shock:

Installation

Cap Installation Force:

49.03N (11.2 lbf) maximum downward force on actuator;

actuator must be in UP position to remove cap from alternate action models

PCB Processing

Soldering:

Wave Soldering Recommended: See Profile A in Supplement section.

Manual Soldering: See Profile B in Supplement section.

Cleaning:

Automated cleaning. See Cleaning specifications in Supplement section.

Standards & Certifications

Flammability Standards:

UL94V-0 available

UL Recognition

The BB Series pushbuttons have not been tested for UL recognition or CSA certification.

or CSA Certification:

These switches are designed for use in a low-voltage, low-current, logic-level circuit.

When used as intended in a logic-level circuit, the results do not produce hazardous energy.