Guangdong Uchi Electronics Co.,Ltd
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- PTC Thermistor>
- The MZ32 series is a positive temperature coefficient (PTC) thermistor-type
- Product Details
- Company Details
Product Specification
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| Payment Terms |
T/T,Paypal,Western Union,Money gram |
Supply Ability |
5000,000,000PCS Per Month |
| Delivery Time |
5-7 days |
Packaging Details |
Bulk |
| Trip Current |
360 mA |
Operating Voltage |
6V~240V |
| Heating Medium |
Ceramic PTC |
Voltage |
220V |
| Recovery Time |
≤60S |
Package |
Foam Packaging |
| Maximumcurrent |
Varies by model, typically up to several amperes |
Sensor Type |
Three-phase Motor Protection |
| Voltage Rating |
220V Vrms |
Max Voltage |
270V Vrms |
| Cable Length |
620mm |
Break Down Voltage |
700 V |
| Brand Name |
UCHI |
Model Number |
FSM6-E50 |
| Certification |
UL.VDE,SGS,REACH,CQC,CSA.ISO.ROHS,CUL |
Place of Origin |
Dongguan，Guangdong,China |
| High Light |
PTC thermistor temperature sensor
，MZ32 series thermistor
，positive temperature coefficient thermistor
|
MZ32 Inrush Current Suppression Series (PTC Thermistor)
Product Overview
The MZ32 series is a positive temperature coefficient (PTC) thermistor inrush current suppressor. It is specially designed for surge peak current at the moment of power-on in high-power circuits, protecting rectifier bridges, power semiconductors, filter capacitors and fuses from overcurrent impact. It features dual functions of current limiting + self-recovery.
Working Principle
It maintains low resistance at room temperature, which can slowly charge large-capacity capacitors and suppress inrush current during power-on;
As the current rises, the component heats up and its resistance increases sharply, entering a high-resistance current-limiting state;
After the surge disappears or power is cut off, the temperature drops and the resistance automatically returns to a low value for repeated use, with the characteristics of a self-recovering fuse.
Product Features
✅ High-power suppression: Specially applied to suppress power-on inrush current of AC-DC power supplies, inverters, transformers and motor inductive loads;
✅ High voltage resistance: AC 120V～500V, covering mainstream voltage for industrial and consumer electronics;
✅ Wide resistance range: 10Ω～1000Ω, available for selection according to load matching;
✅ Stable and reliable: Ceramic substrate with flame-retardant packaging, low drift during long-term operation;
✅ Self-recovery: No replacement required, automatic reset after fault elimination, low maintenance cost;
✅ Multiple structures optional: A chip type, B housing type and C coating type, adapting to different installation spaces.
Typical Applications
High-power switching power supplies, industrial inverters, UPS;
Compressor and motor start-up for home appliances (air conditioners, refrigerators, washing machines);
New energy equipment and charging pile power modules;
Magnetizing inrush current suppression for inductive loads such as transformers and reactors;
Medical and communication power supplies, as well as various large-capacity capacitor input circuits.
Typical Core Parameters
Withstand Voltage: AC 220V / 380V / 500V (optional)
Resistance: 20Ω / 50Ω / 100Ω (@25℃)
Steady-state Current: 3A～15A (depending on model)
Curie Temperature: Approx. 125℃
Package: Insulated housing / epoxy coating, UL94 V-0 flame retardant grade
Selection Guidelines
The higher the power supply power and capacitor capacity, the smaller the resistance and the larger the steady-state current specification shall be selected;
Common model for 220VAC, 1–2kW power supply: MZ32-50Ω/8A;
Common model for 380VAC, 3–5kW power supply: MZ32-100Ω/10A.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
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Business Type:
Manufacturer,Exporter
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Total Annual:
1,500,000-2,500,000
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Employee Number:
138~168
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Ecer Certification：
Verified Supplier
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