1
PT
APPLICATION
APPLICATION
APPLICATION
APPLICATION
FEATURES
FEATURES
FEATURES
FEATURES
PT
PT
PT Series
PT series NTC thermistor has to be connected in series to the power source circuit to
avoid the surge current at the instant when the electronic circuits are turned on. The device
can effectively suppress the surge current, and its resistance and power co nsumption can be
greatly reduced after that through the continuous effect of the current so as not to affect the
normal work current. Therefore the Power NTC thermistor is the most convenient and
efficient instrument to curb the surge current and protect the electronic devices from being
damaged.
Series
Series
Series –
–
Power
–
Power
– Power
Power Type
Type
Type
Type NTC
NTC
NTC
NTC Thermistor
Thermistor
Thermistor
Thermistor
unit ： mm
· Strong power and strong capability of surge current protection.
· Characteristics Fast response to the rapidly surge.
· Big material constant(B value),Small remain resistance.
· High reliability.
·· Integral series, Extensive operating range.
· Operating Temp. -55 ℃ ～ +200 ℃
switching power supply · UPS power supply,
· electric heaters · electronic energy-saving lamps
· filament protection of color tubes
· incandescent lamps and other lights. · electronic ballasts
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2
NTC-22D7220.6
1.108927
NTC-33D7330.5
1.4851028
NTC-200D7
200
0.2
6.2331128
NTC-3D934
0.1201135
NTC-4D943
0.1901135
NTC-5D953
0.2101134
NTC-6D962
0.3151134
NTC-8D982
0.4001132
NTC-10D9102
0.4581132
NTC-12D9121
0.6521132
NTC-16D9161
0.8021131
NTC-20D9201
0.8641130
NTC-22D9221
0.9501130
NTC-30D9301
1.0221130
NTC-33D9331
1.1241130
NTC-50D9501
1.2521130
Part
Part
Part
Part Number
Number
Number
Number Identification
Identification
Identification
Identification
NTC
NTC
NTC
NTC_□
D
D
D
D □
①
②
③
①②③
25 ℃
resistance
Max. Dia.
NTC
NTC
NTC
NTC
POWER NTC
Thermistor
5
5 Ω
D5
5mm
33
33 Ω
D11
11mm
120
120
Ω
D13
13mm
Electronic
Electronic
Electronic
Electronic parameter
parameter
parameter
parameter Specification
Specification
Specification
Specification
R25 ℃
( Ω )
Part No.
Max.Steady State
Current （ A ）
Approx.R @
Max.Cur （ Ω ）
Dissipation factor
( δ )(mW/ ℃ )
Thermal time
constant (s)
NTC-5D551
0.353620
NTC-10D5100.7
0.771620
NTC-60D5600.5
1.878618
NTC-200D5
200
0.1
6.259618
NTC-5D752
0.2831030
NTC-8D781
0.539928
NTC-10D7101
0.616927
NTC-12D7121
0.816927
NTC-16D7160.7
1.003927
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NTC-60D9600.8
1.5021130
NTC-80D9800.8
2.0101130
NTC-120D9
120
0.8
3.0151130
NTC-200D9
200
0.5
5.0071132
NTC-400D9
400
0.2
9.8521132
NTC-2.5D11
2.550.0951343
NTC-3D1135
0.1001343
NTC-3D1135
0.1001343
NTC-4D1144
0.1501344
NTC-5D1154
0.1561345
NTC-6D1163
0.2401345
NTC-8D1183
0.2551447
NTC-10D11103
0.2751447
NTC-12D11122
0.4621448
NTC-16D11162
0.4701450
NTC-20D11202
0.5121552
NTC-22D11222
0.5631552
NTC-30D11301.5
0.6671552
NTC-33D11331.5
0.7341552
NTC-50D11501.5
1.0211552
NTC-3D1135
0.1001343
NTC-4D1144
0.1501344
NTC-5D1154
0.1561345
NTC-6D1163
0.2401345
NTC-8D1183
0.2551447
NTC-10D11103
0.2751447
NTC-12D11122
0.4621448
NTC-16D11162
0.4701450
NTC-20D11202
0.5121552
NTC-22D11222
0.5631552
NTC-30D11301.5
0.6671552
NTC-33D11331.5
0.7341552
NTC-50D11501.5
1.0211552
NTC-60D11601.5
1.2151552
NTC-80D11801.2
1.6561552
NTC-1.3D13
1.370.0621360
NTC-1.5D13
1.570.0731360
NTC-2.5D13
2.560.0881360
NTC-3D1336
0.0921460
NTC-4D1345
0.1201567
NTC-5D1355
0.1251568
NTC-6D1364
0.1701565
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NTC-7D1374
0.1881565
NTC-8D1384
0.1941560
NTC-10D13104
0.2061565
NTC-12D13123
0.3161665
NTC-15D13153
0.3351660
NTC-16D13163
0.3381660
NTC-20D13203
0.3721665
NTC-30D13302.5
0.5171665
NTC-47D13472
0.8101765
NTC-120D13
120
1.5
2.1241665
NTC-1.3D15
1.380.0481868
NTC-1.5D15
1.580.0521969
NTC-3D1537
0.0751876
NTC-5D1556
0.1122076
NTC-6D1565
0.1552080
NTC-7D1575
0.1732080
NTC-8D1595
0.1782080
NTC-10D15105
0.1802075
NTC-12D15124
0.2502075
NTC-15D15154
0.2682185
NTC-16D15164
0.2762170
NTC-20D15204
0.2881786
NTC-30D15303.5
0.4381875
NTC-47D15473
0.6802186
NTC-120D15
120
2.5
1.6522287
NTC-0.7D20
0.7120.01825112
NTC-1.3D20
1.390.03724113
NTC-3D2038
0.05524113
NTC-5D2057
0.08723112
NTC-6D2066
0.11325114
NTC-8D2086
0.14225115
NTC-10D20106
0.16224113
NTC-12D20125
0.19524114
NTC-16D20165
0.21225113
NTC-0.7D25
0.7130.01430151
NTC-1.5D25
1.5100.02730152
NTC-3D2539
0.04432150
NTC-5D2558
0.07032151
NTC-8D2587
0.11433151
NTC-10D25107
0.13032150
NTC-12D25126
0.15632150
NTC-16D25166
0.16035152
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5
Dimension
Dimension
Dimension
Dimension
D +1
-2
Tmax
d ± 0.05
F 1 ± 1
F 2 ± 1.5
S traight
lead
Bending lead
Lmin
b
L
1 min
L
2 ± 2
NTC- □ D5
6.550.6/0.45
5/2.5325
17/5
8
NTC- □ D7
8.550.6
5325
17/5
8
NTC- □ D9
10.5
5.5
0.8/0.6
7.5/5
5/32517/5
8
NTC- □ D11
12.5
5.5
0.8
7.5/5
5/32517/5
8
NTC- □ D13
14.560.8
7.5
52517/5
8
NTC- □ D15
16.560.8
10/7.5525
17/5
8
NTC- □ D20
21.571.0
10/7.5/25//
NTC- □ D25
26.581.0
10/25//
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