BST21T4B datasheet, PDF - EEWORLD Datasheet

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BST21T4B: DescriptionCIT SWITCH; File Size240KB，4 Pages; ManufacturerCIT; Websitehttp://www.citswitch.com/

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BST21T4B Overview

CIT SWITCH

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BST

SPECIFICATIONS

Electrical Ratings

Electrical Life

Contact Resistance

Dielectric Strength

Insulation Resistance

Operating Temperature

Storage Temperature

3A @ 120VAC, 28VDC; 1.5A @ 250VAC

See contact options

30,000 cycles typical

< 20 mΩ max initial @ 2-4VDC, 100mA

1000Vrms min

> 1,000MΩ min

-40°C to 85°C

MATERIALS

←

RoHS COMPLIANT

Actuator

Housing

Support Bracket

Contacts

Terminals

Brass, Chrome Plated

4/6 Nylon, Glass Filled, Flame Retardant

Heat Stabilized, UL94V-0

Brass, Tin Plated

Copper Alloy + Silver or Gold

Process Sealed

- E222871

ORDERING INFORMATION

Series:

BST

Number of Poles:

1 = SPDT

2 = DPDT

Switch Function:

1 = ON-NONE-ON

2 = ON-NONE-(ON)

3 = ON-OFF-ON

4 = (ON)-OFF-(ON) ** Only available in SPDT

5 = ON-OFF-(ON) ** Only available in SPDT

Actuator:

T1 = 10.46mm, Std

T2 = 6.10mm, Std

T3 = 8.13mm, Std

T4 = 13.97mm, Std

P1 = 10.16mm, Plastic, Anti-Static

P2 = 6.10mm, Plastic, Anti-Static

Bushing:

A = 4.65mm, Non-Threaded ** Only available in SPDT

B = 5.00mm, Non-Threaded ** Only available in SPDT

N = 4.50mm, Non-Threaded ** Only available in DPDT

Terminals:

C = PC Pin

H = Horizontal Mount, Right Angle PC Pin;

HS = Snap-in

V = Vertical Mount, Right Angle PC Pin;

VS = Snap-in

A5 = PC Pin with Support Bracket;

A5S = Snap-in Support Bracket

Contacts:

Q = Silver Plated

R = Gold Plated

G = Gold over Silver Plated

www.citswitch.com

page

136

phone – 763.535.2339 fax – 763.535.2194

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