MZ2B series-Telecom CPTC Resettable Fuses

Features ■ Radial leaded devices ■ Aids compliance with: - ITU-T K.20, K.21, K.45 ■ Narrow resistance tolerance ■ RoHS compliant*

Applications Used as a secondary overcurrent protection device in: ■ Customer Premise Equipment (CPE) ■ Central Office (CO) ■ Access equipment

Electrical Characteristics

Test Procedures And Requirements For Model CMF-RLC Series

Test Test Conditions Requirements*
Lightning Surge ..................................10/1000 μs / 1k V / 25 A / 30 Cycles, every 3 Min. ..................................(Ri-Rf) / Ri < ±10 %
Power Induction..................................600 V, 1 A, 1 Sec., 10 Cycles, every 1 Min. ..............................................(Ri-Rf) / Ri < ±10 %
Power Contact ....................................230 V, 23 A, 15 Min. ..................................................................................(Ri-Rf) / Ri < ±10 %
Overvoltage Withstand ......................380 V, 3 A, 4 Hours, 1 Time ......................................................................(Ri-Rf) / Ri < ±10 %
Failure Mode ......................................600 V, RL=0, 60 Min, 1 Time ....................................................................(MZ2B-50R/MZ2B-40R)
Ri = R initial
Rf = R final
** Circuit disconnected or high reinforce is acceptable.

Product Dimensions

Unit: mm D < 9.5 T < 4.5 L 5.0±0.2