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PDF ( 数据手册 , 数据表 ) MZ21-N3R0RM

零件编号 MZ21-N3R0RM
描述 PTC THERMISTOR
制造商 ETC
LOGO ETC LOGO 


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MZ21-N3R0RM 数据手册, 描述, 功能
PTC THERMISTOR
FEATURES
* High ageing cofficient
* Superior withstanding voltage oxidation-resistance
CHARACTERISTICS
Current-Time Curve
HOW TO ORDER
MZ 2
①②
1
PTC
Thermistor
L
201 R
⑤⑥
M
Product style
7 Degaussing
9 P~
Starter
2 Current-Limited
3 Delay-Time
4 Auto-Control-heat
switch
Temperature
L 40
K 60
M 80
N 100
P 120
R 135
Resistance Value
201=20x10
8R0=8.0
Resistance-Temperature Curve
MZ7
MZ2
MZ9
MZ3
MZ4
OHM
Sequence No.
The number expresses No, of pin
1.Coating type
2.Plastic type
3.Empty body
No mark
1. Round
2. Queue
Tolerance
K ± l0%
M ± 20%
N ± 30%







MZ21-N3R0RM pdf, 数据表
APPLICATION CIRCUIT
This is a basic degaussing circuit, if residual currents requested zero, this circuit usually a switch When necessary the switch is turned off.
Current-Time Characteristic(Dynamic Characteristic)
Heating element (1) causes the resistance value of Element (2) to increase and make the stable current extremely small, Thus in many case.
The circuit is designed to be linked to the power switch so that degaussing is performed automatically when the power is turned on.
When excessing power is applied to the themistor,a large current flow momenarily,then the self-heating feature of the themistor causes the
resistance value to increase and the current value to decrease Thus, the thermistor controls degaussing function ideally.














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