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  • Company Name : Jiangsu Yuanyang Pharmaceutical Co., Ltd.
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PTC Resistor MZ2B

PTC Resistor MZ2B
Product Detailed
Related Categories:Electric Heaters
PTC Resistor MZ2B; MZ2B series-Telecom CPTC Resettable Fuses; MZ2B-7R,MZ2B-20R,MZ2B-40R,MZ2B-50R

MZ2B series-Telecom CPTC Resettable Fuses

FeaturesRadial leaded devicesAids compliance with:- ITU-T K.20, K.21, K.45Narrow resistance toleranceRoHS compliant*

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

 

Electrical Characteristics

Model

Max.VoltageWithstand

RatedResistance(RN)

PackingResistanceMatching

HoldCurrent

TripCurrent

Imax@230VAC

Time to Trip@Imax/230vac

Vrms

Ohms

Ohms

Amps@40

Amps@25

Amps

Seconds

MZ2B-7R

250

6~12

1.0

0.08

0.16

<3

<0.3

MZ2B-20R

250

18~24

1.0

0.09

0.18

<3

<0.2

MZ2B-40R

600

36~44

1.0

0.05

0.12

<3

<0.1

MZ2B-50R

600

40~60

1.0

0.05

0.12

<3

<0.1

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 initialRf = R final** Circuit disconnected or high reinforce is acceptable.

PTC Resistor MZ2B



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