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Miniature Relays-Telecom relays

Name: JRC-21F(4100) Telecom Relays


Ordering Information
Miniature relays-telecom relays


1. Extremely low cost.
2. SPDT configuration.
3. Standard PC layout.
4. Sealed version avaible.

Ordering information

Mark demonstration JRC-21F/12VDC-1ZS
Type JRC-21F
Coil voltage 1.5   3   5   6   9   12   24VDC 
Contact Arrangement 1Z:     SPDT
Termination NO:PCB  ,   3:弯脚 Model(适合于贴片式安装)
Coil power NO  L: Standard(0.2W)  ,   N : (0.36W) ,    B: 0.45W

Contact Data

Contact Arrangement 1Z
Initial Contact Resistance 100mΩ    (1A 24VDC)
Contact Material AgNi 
Contact Rating(Res.Load)


Z:2A 220VAC/30VDC 3A 120VDC

Max.switching voltage  220VAC / 125VDC
Max.switching curreng 3A
Max.switching power 240VA / 30W
Mechanical life 1×107 times


Initial Insulation Resistance 1000MΩ 500VDC
Dielectric Strength Between coil and Contacts 1000VAC 1minute
Between open contacts 500VAC 1minute
Operate time(at nomi.Volt) Max:10ms
Release time(at nomi.Volt) Max:5ms
Temperature rise(正常 voltage下) H:50℃            N.B:60℃
Shock Resistance stability 98m/s2(10g)
intensity 980m/s2(100g)
Vibration Resistance 1.5mm  10~55Hz
Humidity 35%~85%
Temperature -25℃~+55℃
Termination PCB
Unit weigth 5g
Construction Sealed IP67 And Guards against the solder

Coil Data

Nominal Voltage VDC Action voltageVDC Drop-out Voltage VDC Max voltageVDC(25℃) Coil Resistance Ω
3 2.3 0.3 3.9 45 25 20
5 3.8 0.5 6.5 120 70 56
6 4.5 0.6 7.8 180 100 80
9 6.8 0.9 11.7 400 220 180
12 9.0 1.2 15.6 700 400 320
24 18.0 2.4 31.2 2800 1600 1280

Outline Dimensions And Wiring Diagram
Miniature relays-telecom relays

Characteristic Curves
Miniature relays-telecom relays
Related Products
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