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℃ (R25)
0R5 2R5 08 20 120 0.5Ω 2.5Ω 8Ω 20Ω 120Ω
Max Steady
State Current at 25℃ X3 0.3A 2X 2.5A 8 8A 10 10A
Tolerance of R25
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℃ (R25)
R25<10Ω 0R7:0.7Ω 2R5:2.5Ω R25≧10Ω 100:10Ω 470:47Ω 471:470Ω
Tolerance of R25
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.
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NTC Thermistor:SCK Series
Power Thermistor for Limiting Inrush Current
Structure and Dimensions
S Type (Straight lead)
D T
(Unit: mm) Body Size ψ05 ψ08 ψ10 ψ13 ψ15 ψ20 ψ25 ψ30 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 ψ05 ψ08 ψ10 ψ13 ψ15 ψ20 ψ25 ψ30 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
ψ05
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
ψ08 ψ10 ψ13
Hmax
d
C
Hmax
ψ15 ψ20
P
THINKING ELECTRONIC INDUSTRIAL CO., LTD. All specifications are subject to change without notice.
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NTC Thermistor:SCK Series
Power Thermistor for Limiting Inrush Current
Electrical Characteristics
Zero Power Resistance at 25° C R25( ) 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℃ Imax(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 RImax ( ) 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 Pmax (W) Dissipation Factor δ (mW/° C) Thermal Time Constant τ(Sec.) Operating Temperature Range UL TL~TU(° C) √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ Safety Approvals cUL CSA TUV CQC
Part No.
THINKING ELECTRONIC INDUSTRIAL CO., LTD. All specifications are subject to change without notice.
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NTC Thermistor:SCK Series
Power Thermistor for Limiting Inrush Current
Zero Power Resistance at 25° C R25( ) 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℃ Imax(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 RImax( ) 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 Pmax(W) Dissipation Factor δ(mW/° C) Thermal Time Constant τ(Sec.) Operating Temperature Range TL~TU(° C) UL √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ Safety Approvals cUL √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ CSA TUV CQC √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √
Part No.
THINKING ELECTRONIC INDUSTRIAL CO., LTD. All specifications are subject to change without notice.
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NTC Thermistor:SCK Series
Power Thermistor for Limiting Inrush Current
Part No. Zero Power Resistance at 25° C R25( ) 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℃ Imax(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 RImax( ) Pmax(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 TL~TU(° C) UL √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ Safety Approvals cUL CSA TUV √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ CQC √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √
THINKING ELECTRONIC INDUSTRIAL CO., LTD. All specifications are subject to change without notice.
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2011.02
NTC Thermistor:SCK Series
Power Thermistor for Limiting Inrush Current
Zero Power Resistance at 25° C R25( ) SCK301R0□ SCK301R5□ SCK302R0□ SCK302R5□ SCK303R0□ SCK304R0□ SCK304R7□ SCK305R0□ SCK306R8□ SCK307R0□ SCK308R0□ SCK30100□ SCK30120□ SCK30150□ SCK30180□ SCK30200□ 1 1.5 2 2.5 3 4 4.7 5 6.8 7 8 10 12 15 18 20 Max. Current at 25℃ Imax(A) 30 25 23 18 17 16 15 14 12 11.5 10.5 10 9 8 7 6 Max. Residual Resistance Power Rating at 25℃ Imax at 25° C RImax( ) Pmax(W) 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 Approx. 8.0 Approx. 40 190 -40 ~ +200 Dissipation Factor δ(mW/° C) Thermal Time Constant τ(Sec.) Operating Temperature Range TL~TU(° C) UL √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ Safety Approvals cUL CSA TUV √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ CQC √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √
Part No.
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. All specifications are subject to change without notice.
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NTC Thermistor:SCK Series
Power Thermistor for Limiting Inrush Current
Max. Current Derating Curve
I Ta I max
100%
TU:Maximum operating temperature (℃) TL:Minimum operating temperature (℃) For example: Ambient temperature(Ta)=60℃
0 TL 0 25 Ambient temperature (℃) TU
Maximum operating temperature(TU)=200℃ ITa=[1-(Ta-25)/(Tu-25)]×Imax=80%Imax.
R-T Characteristic Curves (representative)
SCK05052~SCK0520X3
1000
SCK08042~SCK0830X
1000
100
100
Resistance(Ω )
10
Resistance(Ω )
10
SCK0520X3
1
SCK05121 SCK05101 SCK05081 SCK05052
1
SCK0830X SCK08201 SCK08152 SCK08102 SCK08082 SCK08073 SCK08063 SCK08053 SCK084R72 SCK08042
0.1
-40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150
0.1
-40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170
Temperature (℃)
Temperature (℃)
THINKING ELECTRONIC INDUSTRIAL CO., LTD. All specifications are subject to change without notice.
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2011.02
NTC Thermistor:SCK Series
Power Thermistor for Limiting Inrush Current
R-T Characteristic Curves (representative)
SCK10015~SCK101201
10000
SCK101R35~SCK101001
10000
1000
1000
100
100
Resistance ( )
Resistance ( )
10
10
1
0.1
SCK101201 SCK10801 SCK10472 SCK10252 SCK10202 SCK10152X SCK10123 SCK10083 SCK10054 SCK10035 SCK101R55 SCK10015
-40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170
1
0.1
SCK101001 SCK10502 SCK10302 SCK10222 SCK10162X SCK10133 SCK10103 SCK106R83 SCK10044 SCK102R55A SCK101R35
(K
0.01
0.01 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170
Temperature (℃)
(K
Temperature (℃)
SCK13013~SCK13183
1000
1000
SCK131R37~SCK13203
100
100
Resistance (Ω )
Resistance (Ω )
10
10
(K
1
(K
1
0.1
SCK13183 SCK13153 SCK13104 SCK13074 SCK134R74 SCK132R56 SCK13013
0.1
SCK13203 SCK13163 SCK13124 SCK13084 SCK13055 SCK13045 SCK131R37
0.01
-40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200
0.01
-40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200
Temperature (℃)
THINKING ELECTRONIC INDUSTRIAL CO., LTD. All specifications are subject to change without notice.
Temperature (℃)
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2011.02
NTC Thermistor:SCK Series
Power Thermistor for Limiting Inrush Current
R-T Characteristic Curves (representative)
SCK150R78A~SCK151202
10000
SCK15016~SCK15473
10000
1000
1000
Resistance(Ω )
100
Resistance(Ω )
SCK151202 SCK15403 SCK15224 SCK15164 SCK15105 SCK15065 SCK15037 SCK151R58 SCK150R78A
100
10
10
(K
1
(K
1
0.1
0.1
SCK15473 SCK15253 SCK15184 SCK15125 SCK15075 SCK15046 SCK15028 SCK15016
0.01
-40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200
0.01
-40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200
Temperature (℃) SCK151R38~SCK15802X
10000
Temperature (℃)
1000
Resistance(Ω )
100
10
(K
1
0.1
SCK15802X SCK15303 SCK15204 SCK15154 SCK15085 SCK15056 SCK152R58 SCK151R38
0.01
-40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200
Temperature (℃)
THINKING ELECTRONIC INDUSTRIAL CO., LTD. All specifications are subject to change without notice.
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2011.02
NTC Thermistor:SCK Series
Power Thermistor for Limiting Inrush Current
R-T Characteristic Curves (representative)
SCK200R7~SCK20180
10000
1000
SCK201R0~SCK20200
1000
100
Resistance(Ω )
100
Resistance(Ω )
10
10
(K
(K
1
1
0.1
SCK20180 SCK20150 SCK20120 SCK208R0 SCK206R8 SCK205R0 SCK204R0 SCK202R5 SCK201R5 SCK200R7
-40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200
0.1
SCK20200 SCK20160 SCK20130 SCK20100 SCK207R0 SCK206R0 SCK204R7 SCK203R0 SCK202R0 SCK201R0
-40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200
0.01
0.01
Temperature (℃)
Temperature (℃)
SCK251R0~SCK25180
1000
1000
SCK251R5~SCK25200
100
100
Resistance(Ω )
SCK25180 SCK25120 SCK258R0 SCK256R8 SCK254R7 SCK253R0 SCK252R0 SCK251R0
-40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200
Resistance(Ω )
10
10
1
1
0.1
0.1
0.01
0.01
-40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200
Temperature (℃)
THINKING ELECTRONIC INDUSTRIAL CO., LTD. All specifications are subject to change without notice.
Temperature (℃)
10
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2011.02
NTC Thermistor:SCK Series
Power Thermistor for Limiting Inrush Current
R-T Characteristic Curves (representative)
THINKING ELECTRONIC INDUSTRIAL CO., LTD. All specifications are subject to change without notice.
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2011.02
NTC Thermistor:SCK Series
Power Thermistor for Limiting Inrush Current
V-I Characteristic Curves (representative)
SCK05052~SCK0520X3
Voltage (V)
(K
Current (A) SCK08042~SCK08201
Voltage (V)
(K
Current (A) SCK10015~SCK101201
Voltage (V)
(K
Current (A)
THINKING ELECTRONIC INDUSTRIAL CO., LTD. All specifications are subject to change without notice.
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2011.02
NTC Thermistor:SCK Series
Power Thermistor for Limiting Inrush Current
SCK131R37~SCK13203
Voltage (V)
(K
Current (A) SCK151R38~SCK15473
Voltage (V)
(K
Current (A) SCK201R0~SCK20200
Voltage (V)
(K
Current (A)
THINKING ELECTRONIC INDUSTRIAL CO., LTD. All specifications are subject to change without notice.
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2011.02
NTC Thermistor:SCK Series
Power Thermistor for Limiting Inrush Current
SCK251R0~SCK25200
Voltage(V)
Current (A)
SCK301R0~SCK30200
Voltage(V)
Current (A)
THINKING ELECTRONIC INDUSTRIAL CO., LTD. All specifications are subject to change without notice.
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2011.02
NTC Thermistor:SCK Series
Power Thermistor for Limiting Inrush Current
Soldering Recommendation Wave Soldering Profile
Preheating
260℃ Max
Soldering
Cooling
Temperature
Note 2
Note 3
Note 1: (1~3℃)/sec Approx. 200℃/sec 5℃/sec. (Max)
130±20℃
Note 2:
Note 1
Tamb
Note 3:
Time 30~90 sec. <1 sec. <10 sec.
Recommended Reworking Conditions with Soldering Iron
Item Temperature of Soldering Iron-tip Soldering Time Distance from Thermistor Conditions 360℃ (max.) 3 sec (max.) 2 mm (min.)
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NTC Thermistor:SCK Series
Power Thermistor for Limiting Inrush Current
Reliability
Item Standard Test conditions / Methods Gradually applying the force specified and keeping the unit fixed for 10±1 sec. Terminal diameter IEC60068-2-21 (mm) 0.5
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