• PTC MZ21-332 Ptc Thermistor For Overcurrent Limiter
  • PTC MZ21-332 Ptc Thermistor For Overcurrent Limiter
  • PTC MZ21-332 Ptc Thermistor For Overcurrent Limiter
PTC MZ21-332 Ptc Thermistor For Overcurrent Limiter

PTC MZ21-332 Ptc Thermistor For Overcurrent Limiter

Product Details:

Place of Origin: UL,SGS,ROHS
Brand Name: UCHI
Certification: UL,SGS,ROHS
Model Number: PTC MZ21-332

Payment & Shipping Terms:

Minimum Order Quantity: 5000PCS
Price: Negotiable
Delivery Time: 7 working days
Payment Terms: T/T,Paypal,Western Union,Money gram
Supply Ability: 600,000,000PCS Per Month
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Detail Information

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Ptc Thermistor For Overcurrent Limiter

,

overcurrent limiter ptc thermistor

Product Description

PTC MZ21-332 PTC THERMISTOR FOR OVERCURRENT LIMITER
 
Description
 
This case type Posi-R is ideally suited for motor starting in air-conditioners.
Linear PTC Thermistor (LPTC) resistance increases with the temperature rises in linearity, displays a virtually linear positive temperature coefficient over their entire temperature range, suitable in measurement and control system, temperature compensation. As the construction material is mainly semiconductor monocrystalline silicon, also called silicon temperature sensor, silicon thermistor, sometimes referred to as silistors. As the temperature coefficient is positive, the silicon temperature sensors exhibit fail-safe operation when a system overheats. Furthermore silicon is inherently stable, so silicon temperature sensor are extremely reliable and have very long operational lifetimes. Hermetically sealed glass package, axial leaded, 2 leads, can operate in high temperature and moisture environment. Linear PTC thermistor in small dimension, tightness, convenient for automatic installation.
 
 
Application
 
· Industrial auotomation control equipment.
· Home appliance temperature detection and compensation.
· Precision circuit and crystal oscillator temperature compensation.
· Temperature compensation of silicon semiconducting devices.
· Temperature compensation of instrumentation amplifier.
· A/D converter temperature compensation. · Micro motor timing control.
· Automobile temperature detection and control.
· Medical equipment temperature detection and control.
· Linear PTC thermistor applications also include transmission, engine oil and coolant, heating system, overheating protection, amplifiers, power supplies, transducers, telemetry, computers, magnetic amplifiers, thermometry, meteorology, temperature regulation and over-temperature protection.


Specification
1. Part Name:PTC MZ21-332
2,Specifications of Appearance
 
PTC MZ21-332 Ptc Thermistor For Overcurrent Limiter 0
 
2-1,Dimensions (mm)

 

Dmax 4.0
Tmax 4.5
d 0.5±0.05
F 5.0±0.5
L1max 6.0
L2min 25

 
2-2,Material and Marking:

1 .Package type: encapsulation type

2. Encapsulation material: silicone resin

3. Encapsulation color: Green

4 .Lead material: tinned copper wire

5 .Lead shape:inner curved foot type

  6 .Lead free (RoHS compliant)

 

 
 
3.Electrical Characteristics

 

NO Item Characteristics Test conditions and methods

 

2.1

Zero Power

Resistance and allowable deviation

 

 

3.3KΩ±30%

After being placed in the air at 25 ℃± 2 ℃ for 2 hours, measure with a voltage not exceeding 1.5vdc. Figure 2

 

2.2

Switching temperature

(Curie temperature)

 

T25=75±7

The temperature corresponding to the resistance temperature characteristic (curve) 2 times R25 resistance value is specified as the switch temperature.

 

2.3

rated operational voltage

 

220VAC

The withstand voltage of the element allowing long-term normal operation.
2.4 maximum operating current (Imax) 60mA The maximum initial current that can flow on PTC is specified as the maximum current.

 

2.5

 

withstand voltage

 

600VAC/60S

ΔR/Rn≤∣±20% ∣

Starting current: 0.06a, starting Voltage 220VAC, lasting for 10s; Then it is converted to high voltage (600vac) for 60s. After recovering for 4-5 hours under normal temperature and pressure, the rated zero power resistance value is retested.

 

2.6

Action time I=60mA

 

0.4-2S

 

 

2.7

Operating temperature

range

-40℃~+125℃
 


 

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