Description

MF57 series wafer-type NTC thermistors are suitable for use as fixed-point temperature measurement elements in the cooling systems of automotive electronics (internal combustion locomotives, large motors, oil-immersed transformers), and can also be used for temperature measurement in other places.

Specification

Part Number	Rated resistance R25		B value		Rated power (W)	Thermal time constant (Second)	Heat dissipation coefficient (mW/℃)	Operating temperature (℃)
	scope (Ω)	tolerant (%)	Rated value (K)	tolerant (%)
MF57A	0.22K~10K	±1% ±3% ±5%	2700~4700 (25/50℃)	±1% ±3% ±5%	0.3 0.4 0.5	≤60	6~13	-40~+125
MF57B	0.4K~10K	±1% ±10% ±20%	3600~4500 (25/85℃)	±1% ±2% ±3%	0.2	≤50	≥3.5
MF57C	0.4K~2K	±5% ±10% ±20%	2400~3000 (25/50℃)	±5%

Model	Rated resistance R25		B value (25/50℃)		Rated power (W)	Measured power (mW)	Thermal time constant (S)	Dissipation coefficient (mW/℃)	Operating temperature (°C)
	Range (Ω)	tolerant	Value (Ω)	tolerant
MF57□□□2700	220-630	±1% ±3% ±5%	2700	±1% ±3% ±5%	0.3 0.5	≤0.5	≤60	6-13	55-+125
MF57□□□3000	270-5.1 thousand		3000
MF57□□□3300	270-5.1 thousand		3300
MF57□□□3600	270-5.1 thousand		3600
MF57□□□3900	270-5.1 thousand		3900
MF57□□□4100	30-6.8 kilometers		4100
MF57□□□4300	30-6.8 kilometers		4300
MF57□□□4700	330-10K		4700

Highlight Features

The tolerance range of resistance value and B value is small, and the consistency and interchangeability are good.

It can match various car instruments, whether it is domestic brand cars or imported brand cars.

Main Applications

Mainly used as a temperature sensing element for point temperature sensors

Cooling system measurement for automobiles, internal combustion engines, and large power equipment

Engines, oil-immersed transformers, etc., can also be used for temperature measurement

Under other conditions.

1. Rechargeable battery and CPU.
2. LCD, crystal oscillator
3. Temperature compensation
4. Suitable for temperature sensing of various circuits.