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250R120-R2ZR

250R120-R2ZR

Active
LITTELFUSE

PTC 60V/250V POLYFUSE TELECOM .120A/ AMMO ROHS COMPLIANT: YES

250R120-R2ZR

250R120-R2ZR

Active
LITTELFUSE

PTC 60V/250V POLYFUSE TELECOM .120A/ AMMO ROHS COMPLIANT: YES

Description

General part information

250R120-R2 Series

The 250R Series is designed to protect against short duration high voltage fault currents (power cross or power induction surge) typically found in telecom applications (250Vrms). The series can be used to help telecom networking equipment meet the protection requirements specified in ITU K.20 and K.21.

Technical Specifications

Parameters and characteristics for this part

Specification250R120-R2ZR
Current - Hold (Ih) (Max)120 mA
Current - Max3 A
Current - Trip (It)240 mA
Height - Seated (Max)0.433 in
Lead Spacing0.201 in
Mounting TypeThrough Hole
Operating Temperature (Max)85 °C
Operating Temperature (Min)-40 °C
Package / CaseDisc, Radial
Resistance - Initial (Ri) (Min)8 Ohms
Resistance - Post Trip (R1) (Max)16 Ohms
Size / Dimension Length0.256 in
Size / Dimension Width0.181 in
Time to Trip2.5 s
TypePolymeric
Voltage - Max60 Vpk
Voltage - Max (Int)250 V

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

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CAD

3D models and CAD resources for this part