- Pharmaceutical[8]
- Food Additives[8]
- Oxide[5]
- Other Chemicals[7]
- Other Organic Chemical[3]
- Electric Heaters[5]
- Electric Heater Parts[2]
- Ballasts[2]
- Energy Saving & Fluorescent[2]
- Other Lights & Lighting Products[2]
- Dried Vegetables[5]
- Single Spices & Herbs[1]
- Nonwoven Fabric[1]
- Other Food Processing Machinery[4]
- Baking Equipment[2]
- Moulds[1]
- Motorcycles[1]
- Other Machinery[1]
- Transformers[1]
- Slaughtering Equipment[1]
- Contact Person : Mr. Jianping LU
- Company Name : Jiangsu Yuanyang Pharmaceutical Co., Ltd.
- Tel : 86-512-52513636
- Fax : 86-512-52554588
- Address : Jiangsu,Changshu,Zhitang Town
- Country/Region : China
- Zip : 215534
PTC Resistor MZ2B
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 |
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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