NTC Thermistor：SCK Series
：
Power Thermistor for Limiting Inrush Current
Features
1.
2.
3.
4.
5.
6.
7.
RoHS & HF compliant
Body size:
Ф5mm
~
Ф
30mm
Radial lead resin coated
High power rating
Wide resistance range
Cost effective
Operating temperature range：
Φ5mm：-40~+150℃
Φ8~Φ10mm：-40~+170℃
Φ13mm~Φ30mm：-40~+200℃
8. Agency recognition: UL /cUL/TUV /CSA/CQC
Recommended Applications
1. Switch mode power supply
2. Electric motor
3. Transformer
4. Adapter
5. Projector
6. Halogen lamp
Part Number Code
Ф
5mm~
Ф
15mm
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Product Type
THINKING
SCK NTC Thermistor
SCK Series
Body Size
05
Ф
5mm
08
Ф
8mm
10
Ф
10mm
13
Ф
13mm
15
Ф
15mm
Zero Power
Resistance
at 25℃ (
R
25
)
0R5
2R5
08
20
120
0.5Ω
2.5Ω
8Ω
20Ω
120Ω
Max Steady
State
Current
at 25
℃
X3
2X
8
10
0.3A
2.5A
8A
10A
Tolerance
of R
25
L
M
N
±15%
±20%
±25%
S
F
T
Appearance
Straight lead
Y kink lead
L kink lead
Optional Suffix
RoHS & HF
Compliant
Y
Ф
20mm~
Ф
30mm
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Product Type
THINKING
SCK NTC Thermistor
SCK Series
Body Size
20
Ф
20mm
25
Ф
25mm
30
Ф
30mm
Zero Power
Resistance
at 25
℃
(R
25
)
R
25
＜10Ω
0R7:0.7Ω
2R5:2.5Ω
R
25
≧10Ω
100:10Ω
470:47Ω
471:470Ω
Tolerance
of R
25
L
M
N
±15%
±20%
±25%
Appearance
S
F
T
Straight lead
Y kink lead
L kink lead
Packaging
B
Bulk
Y
Optional Suffix
RoHS & HF Compliant
(For SCK20 only)
RoHS & HF Compliant
(For SCK25 and
SCK30 only)
H
THINKING ELECTRONIC INDUSTRIAL CO., LTD.
All specifications are subject to change without notice.
1
www.thinking.com.tw
2011.02
NTC Thermistor：SCK Series
：
Power Thermistor for Limiting Inrush Current
Structure and Dimensions
S Type (Straight lead)
D
T
(Unit: mm)
Body Size
ψ
05
ψ
08
ψ
10
ψ
13
ψ
15
ψ
20
ψ
25
ψ
30
Dmax.
6.5
9.5
11.5
14.5
16.5
21.5
29
36
P.
4±0.6
5±0.8
5±0.8
7.5±1
7.5±1
7.5±1
7.5±1
7.5±1
d
0.8±0.02
0.8±0.02
0.8±0.02
0.8±0.02
1.0±0.02
1.0±0.02
1.0±0.02
1.0±0.02
Amax.
6.5
9.5
11.5
14.5
16.5
21.5
29
36
Lmin.
31
31
31
30
29
26
25
23
Tmax.
5
5
5
6
6
6
7
8
A
P
d
L
F Type (Y kink lead)
D
T
(Unit: mm)
Body Size
ψ
05
ψ
08
ψ
10
ψ
13
ψ
15
ψ
20
ψ
25
ψ
30
Dmax.
6.5
9.5
11.5
14.5
16.5
21.5
29
36
P
4±0.6
5±0.8
5±0.8
7.5±1
7.5±1
7.5±1
7.5±1
7.5±1
d
0.8±0.02
0.8±0.02
0.8±0.02
0.8±0.02
1±0.02
1±0.02
1±0.02
1±0.02
Amax.
11
13
15
17.5
19
24.5
35
42
Lmin.
29
29
29
27
26
25
22
22
Tmax.
5
5
5
6
6
6
7
8
A
P
d
L
T Type (L kink lead)
(Unit: mm)
Body Size
ψ
05
Amax
D
Dmax.
6.5
9.5
11.5
14.5
16.5
21.5
P
4±0.6
5±0.8
5±0.8
7.5±1
7.5±1
7.5±1
d
0.8±0.02
0.8±0.02
0.8±0.02
0.8±0.02
1±0.02
1±0.02
Amax.
11
13
15
17.5
19
24.5
Hmax.
15.5
17.5
19.5
21.5
23.5
28.5
C.
4.0±1
4.0±1
4.0±1
4.0±1
4.0±1
4.0±1
Tmax.
5
5
5
6
6
6
ψ
08
ψ
10
ψ
13
Hmax
d
C
Hmax
ψ
15
ψ
20
P
THINKING ELECTRONIC INDUSTRIAL CO., LTD.
All specifications are subject to change without notice.
2
www.thinking.com.tw
2011.02
NTC Thermistor：SCK Series
：
Power Thermistor for Limiting Inrush Current
Electrical Characteristics
Zero Power
Resistance
at 25°
C
R
25
( )
SCK05052□
SCK05081□
SCK05101□
SCK05121□
SCK0520X3□
SCK08042□
SCK084R72□
SCK08053□
SCK08063□
SCK08073□
SCK08082□
SCK08102□
SCK08152□
SCK08201□
SCK0830X□
SCK10015□
SCK101R35□
SCK101R55□
SCK102R55A□
SCK10035□
SCK10044□
SCK10054□
SCK106R83□
SCK10083□
SCK10103□
SCK10123□
SCK10133□
SCK10152X□
SCK10162X□
SCK10202□
SCK10222□
SCK10252□
SCK10302□
SCK10472□
SCK10502□
SCK10801□
SCK101001□
SCK101201□
5
8
10
12
20
4
4.7
5
6
7
8
10
15
20
30
1
1.3
1.5
2.5
3
4
5
6.8
8
10
12
13
15
16
20
22
25
30
47
50
80
100
120
Max.
Current
at 25℃
I
max
(A)
2
1
1
1
0.3
2
2
3
3
3
2
2
2
1
0.5
5
5
5
5
5
4
4
3
3
3
3
3
2.5
2.5
2
2
2
2
2
2
1
1
1
Residual
Resistance
at 25
℃
Imax
R
Imax
( )
0.429
1.089
1.126
1.184
5.560
0.441
0.445
0.261
0.283
0.287
0.520
0.542
0.548
1.544
4.094
0.091
0.095
0.101
0.120
0.127
0.161
0.180
0.270
0.278
0.297
0.301
0.356
0.442
0.471
0.646
0.659
0.674
0.700
0.720
0.813
2.236
2.318
2.406
2.4
17
43
Approx.
Approx.
-40 ~ +170
Approx.
2.3
16
38
Approx.
-40 ~ +170
1.8
15
17
Approx.
Approx.
-40 ~ +150
Max.
Power
Rating
at 25°
C
P
max
(W)
Dissipation
Factor
δ
(mW/°
C)
Thermal
Time
Constant
τ(Sec.)
Operating
Temperature
Range
UL
T
L
~T
U
(°
C)
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
Safety Approvals
cUL
CSA
TUV CQC
Part No.
THINKING ELECTRONIC INDUSTRIAL CO., LTD.
All specifications are subject to change without notice.
3
www.thinking.com.tw
2011.02
NTC Thermistor：SCK Series
：
Power Thermistor for Limiting Inrush Current
Zero Power
Resistance
at 25°
C
R
25
( )
SCK13013□
SCK131R37□
SCK132R56□
SCK13045□
SCK134R74□
SCK13055□
SCK13074□
SCK13084□
SCK13104□
SCK13124□
SCK13153□
SCK13163□
SCK13183□
SCK13203□
SCK150R78A□
SCK15018□
SCK151R38□
SCK151R58□
SCK15028□
SCK152R58□
SCK15037□
SCK15046□
SCK15056□
SCK15065□
SCK15075□
SCK15085□
SCK15105□
SCK15125□
SCK15154□
SCK15164□
SCK15184□
SCK15204□
SCK15224□
SCK15253□
SCK15303□
SCK15333□
SCK15403□
SCK15473□
SCK15802X□
SCK151202□
1
1.3
2.5
4
4.7
5
7
8
10
12
15
16
18
20
0.7
1
1.3
1.5
2
2.5
3
4
5
6
7
8
10
12
15
16
18
20
22
25
30
33
40
47
80
120
Max.
Current
at 25℃
I
max
(A)
3
7
6
5
4
5
4
4
4
4
3
3
3
3
8
8
8
8
8
8
7
6
6
5
5
5
5
5
4
4
4
4
4
3
3
3
3
3
2.5
2
Residual
Resistance
at 25
℃
Imax
R
Imax
( )
0.174
0.070
0.094
0.132
0.168
0.166
0.184
0.206
0.217
0.230
0.343
0.348
0.365
0.410
0.051
0.054
0.064
0.068
0.078
0.086
0.091
0.117
0.121
0.159
0.161
0.165
0.178
0.185
0.261
0.265
0.273
0.283
0.308
0.425
0.461
0.484
0.511
0.517
0.693
1.010
3.6
Approx.
21
Approx.
-40 ~ +200
75
Approx .
3.1
18
66
Approx.
-40 ~ +200
Max.
Power
Rating
at 25°
C
P
max
(W)
Dissipation
Factor
δ(mW/°
C)
Thermal
Time
Constant
τ(Sec.)
Operating
Temperature
Range
T
L
~T
U
(°
C)
UL
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
Safety Approvals
cUL
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
CSA
TUV CQC
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
Part No.
THINKING ELECTRONIC INDUSTRIAL CO., LTD.
All specifications are subject to change without notice.
4
www.thinking.com.tw
2011.02
NTC Thermistor：SCK Series
：
Power Thermistor for Limiting Inrush Current
Part No.
Zero Power
Resistance
at 25°
C
R
25
( )
SCK200R7□
SCK201R0□
SCK201R5□
SCK202R0□
SCK202R5□
SCK203R0□
SCK204R0□
SCK204R7□
SCK205R0□
SCK206R0□
SCK206R8□
SCK207R0□
SCK208R0□
SCK20100□
SCK20120□
SCK20130□
SCK20150□
SCK20160□
SCK20180□
SCK20200□
SCK251R0□
SCK251R5□
SCK252R0□
SCK252R5□
SCK253R0□
SCK254R0□
SCK254R7□
SCK255R0□
SCK256R8□
SCK257R0□
SCK258R0□
SCK25100□
SCK25120□
SCK25150□
SCK25180□
SCK25200□
0.7
1
1.5
2
2.5
3
4
4.7
5
6
6.8
7
8
10
12
13
15
16
18
20
1
1.5
2
2.5
3
4
4.7
5
6.8
7
8
10
12
15
18
20
Max.
Current
at 25℃
I
max
(A)
15
13
10.5
10
9
8.5
8
7.5
7.5
7
6.5
6.5
6
5.5
5
5
4.5
4.5
4
4
20
18.5
18
15
14.5
14
13
12
10.5
10
9
8
7.5
6.5
5.5
5
Residual
Max.
Resistance Power
at 25℃
Rating
at 25°
C
Imax
R
Imax
( )
P
max
(W)
0.035
0.034
0.041
0.062
0.083
0.078
0.080
0.114
0.118
0.120
0.130
0.132
0.161
0.196
0.197
0.213
0.258
0.276
0.280
0.306
0.020
0.023
0.025
0.032
0.042
0.044
0.052
0.061
0.082
0.092
0.115
0.141
0.164
0.210
0.231
0.270
Approx.
7.0
30
130
Approx.
-40 ~ +200
4.9
Approx.
28
Approx.
-40 ~ +200
113
Dissipation
Factor
δ(mW/°
C)
Thermal
Time
Constant
τ(Sec.)
Operating
Temperature
Range
T
L
~T
U
(°
C)
UL
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
Safety Approvals
cUL CSA TUV
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
CQC
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
THINKING ELECTRONIC INDUSTRIAL CO., LTD.
All specifications are subject to change without notice.
5
www.thinking.com.tw
2011.02
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