• PTC MZ21- M120RNN 12Ohms for welding machine/PTC thermistor/Inverter welding machine special
  • PTC MZ21- M120RNN 12Ohms for welding machine/PTC thermistor/Inverter welding machine special
PTC MZ21- M120RNN 12Ohms for welding machine/PTC thermistor/Inverter welding machine special

PTC MZ21- M120RNN 12Ohms for welding machine/PTC thermistor/Inverter welding machine special

Product Details:

Place of Origin: UL,SGS,ROHS
Brand Name: UCHI
Certification: UL,SGS,ROHS
Model Number: MZ21- M120RNN

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
Get Best Price Contact Now

Detail Information

Product Description

Quick Details

 

1. Silicon temperature sensors have a TK (temperature coefficinet) which is nearly constant over the complete temperature range. Temperature coefficient:α25/50≥0.7%/C.
2. Excellent long term stability, annual diversification rate≤0.01C/per year, temperature drifts during the lifetime of silicon temperature sensor are negligible.
3. Thermal Time Constant: 10 seconds max in still air.
4. Operating temperature range:-10~+45℃.
5. Dissipation factor:2.5--5mW/C.
6. Maximum operating current:Iopr=1.0mA.
7. Rated power:10mW.
8. Typical resistance @25C 600 ohm, 1000 ohm, 1600 ohm, 2000 ohm.

 

Description

 

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,Symbol for the products

MZ21 Type Thermistor compact for telecommunication and AC circuit.

 

1-1,Symbol for the products

 

MZ21

Note

 

Company symbols

MZ21 - M120RNN

2,Specifications of Appearance

2-1.Drawing

PTC MZ21- M120RNN 12Ohms for welding machine/PTC thermistor/Inverter welding machine special 0

2-2.Mark

PTC MZ21- M120RNN 12Ohms for welding machine/PTC thermistor/Inverter welding machine special 1

 

 

 

2-3.Dimensions (mm)

 

Part No. DMAX W±1.0 TMAX Φd±0.05

MZ21- M120RNN

11.0 5.0 5.0 0.6

 

3. How to order

MZ 2 1 - M 120 R N N

— PTC Thermistor

 

Product style

2

Current limited

3

Delay time

 

Product style Sequence No.

 

1

1.Coating type
2.Plastic type
3.Empty body
3 No mark
 

④ — switch temperature,M:90℃

⑤ — Ω(resistance value) 12=12×100,

⑥ — (OHM)

⑦ — (Tolerance) K:±10%, M:±20%, N:±30%

⑧ — (Diameter of Chip) N:Ф9mm

 

 

4.Performance Specification

Part NO.

Rated

resistance

(25℃±1℃)

Switch

temperature

(±7℃)

Break down

voltage

Ac

Non-operating current

(at 40℃)

Typical trip current Operating ambient temperature range
MZ21-M120RNN 12Ω±30% 90℃ 300 V 90 mA 250 mA -10~+45℃

 

The PTC thermistor characteristics curve:

PTC MZ21- M120RNN 12Ohms for welding machine/PTC thermistor/Inverter welding machine special 2

 

 

 

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