NTC Thermistor：SCK Series
Power Thermistor for Limiting Inrush Current
Residual
Resistance Power
at 25℃
Imax
Max.
Zero Power
Resistance
at 25°C
Max.
Current
at 25℃
Thermal
Time
Constant
Operating
Temperature
Range
Safety Approvals
Dissipation
Factor
Rating
at 25°C
Part No.
UL cUL CSA TUV CQC
R25(ꢀ)
1
Imax(A)
30
25
23
18
17
16
15
14
12
11.5
10.5
10
9
RImax(ꢀ)
0.016
0.020
0.022
0.030
0.035
0.048
0.055
0.057
0.077
0.084
0.100
0.115
0.142
0.175
0.210
0.233
Pmax(W) δ(mW/°C)
τ(Sec.)
TL~TU(°C)
SCK301R0□
SCK301R5□
SCK302R0□
SCK302R5□
SCK303R0□
SCK304R0□
SCK304R7□
SCK305R0□
SCK306R8□
SCK307R0□
SCK308R0□
SCK30100□
SCK30120□
SCK30150□
SCK30180□
SCK30200□
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
1.5
2
2.5
3
4
4.7
5
Approx.
190
8.0
Approx. 40
-40 ~ +200
6.8
7
8
10
12
15
18
20
8
7
6
Note1 : □ = Tolerance of R25
Note2：UL&cUL File No. E138827
CSA File No. 97495
TUV File No. R 50050155
CQC File No. CQC05001011984,985, 988,989 ,990,993
CQC04001011942, 943, 944, 963, 964, 965
THINKING ELECTRONIC INDUSTRIAL CO., LTD.
6
www.thinking.com.tw
2011.02
All specifications are subject to change without notice.
THINKING [ Thinking Electronic Industrial Co.,Ltd ]
