NTC Thermistor：TSM Series
SMD Type NTC Thermistor for Temperature Sensing
Features
1. RoHS & Halogen Free (HF) compliant
2. EIA size: 0201, 0402, 0603, 0805
3. Highly reliable structure
4. Operating temperature range: -40
℃
~+125℃
5. Wide resistance range
6. Cost effective
7. Agency recognition: UL / cUL / TUV
Recommended Applications
1. Battery pack
2. Motherboard, notebook and personal computer device
3. Liquid crystal display
4. Cellular phone
5. Bluetooth headset
6. Wi-Fi module
Part Number Code
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Product Type
THINKING
TSM NTC Thermistor
TSM Series
Size (EIA)
A
0
1
2
0201
0402
0603
0805
Definition
of
B Value
A
B
B
25/85
B
25/50
Zero Power
Resistance at 25
℃
(R
25
)
102
103
473
10x10
Ω=
1 KΩ
3
10x10
Ω=10
KΩ
3
47x10
Ω=
47KΩ
2
Tolerance
of R
25
F
G
H
J
K
±1%
±2%
±3%
±5%
±10%
B Value
338
34D
395
39H
405
3380
3435
3950
3975
4050
Tolerance
of B Value
1
2
3
±1%
±2%
±3%
Optional Suffix
Z
RoHS & HF
Compliant
Packaging
R
B
Reel
Bulk
Structure and Dimensions
(Unit: mm)
Part No.
TSMA
TSM0
TSM1
TSM2
Size
0201
0402
0603
0805
L1
0.60±0.05
1.00±0.15
1.60±0.15
2.00±0.20
W
0.30±0.05
0.50±0.10
0.80±0.15
1.25±0.20
H max.
0.35
0.60
0.95
1.00
L2 & L3
0.15±0.05
0.20±0.10
0.40±0.15
0.40±0.20
THINKING ELECTRONIC INDUSTRIAL CO., LTD.
All specifications are subject to change without notice.
66
www.thinking.com.tw
2012.08
NTC Thermistor：TSM Series
SMD Type NTC Thermistor for Temperature Sensing
Electrical Characteristics
Zero Power
Resistance
at 25°C
R
25
(KΩ)
TSMAB103
□
338*
TSMAB683
□
425*
TSMAB104
□
425*
TSM0A103
□
34D*
TSM0A103
□
395*
TSM0A223
□
395*
TSM0A333
□
405*
TSM0A683
□
410*
TSM0A104
□
405*
TSM0A104
□
436*
TSM0B103
□
338*
TSM0B473
□
405*
TSM0B104
□
354*
TSM0B104
□
480*
TSM0B224
□
470*
TSM0B474
□
470*
TSM1A202
□
340*
TSM1A472
□
34D*
TSM1A472
□
370*
TSM1A502
□
34D*
TSM1A502
□
385*
TSM1A682
□
34D*
TSM1A682
□
395*
TSM1A103
□
34D*
TSM1A103
□
39H*
TSM1A103
□
430*
TSM1A223
□
392*
TSM1A473
□
39H*
TSM1A683
□
39H*
TSM1A104
□
405*
TSM1A104
□
436*
TSM1A154
□
406*
TSM1A204
□
410*
TSM1A474
□
415*
TSM1B221
□
350*
TSM1B222
□
395*
TSM1B472
□
425*
TSM1B103
□
338*
TSM1B103
□
420*
TSM1B104
□
355*
TSM1B224
□
460*
TSM2A 502
□
34D*
TSM2A103
□
34D*
TSM2A103
□
395*
TSM2A473
□
39H*
TSM2A104
□
405*
TSM2A684
□
450*
0201
10
68
100
10
10
22
33
68
100
100
10
47
100
100
220
470
2
4.7
4.7
5
5
6.8
6.8
10
10
10
22
47
68
100
100
150
200
470
0.22
2.2
4.7
10
10
100
220
5
10
10
47
100
680
Tolerance
of
R
25
( ±%)
1, 2, 3,
5, 10
B
Value
(K)
25/50
3380
4250
4250
3435
3950
3950
4050
4100
4050
4360
3380
4050
3540
4800
4700
4700
3400
3435
3700
3435
3850
3435
3950
3435
3975
4300
3920
3975
3975
4050
4360
4060
4100
4150
3500
3950
4250
3380
4200
3550
4600
3435
3435
3950
3975
4050
4500
Tolerance Max. Power
Dissipation
of
Dissipation
Factor
B value
at 25
℃
(±%)
1, 2, 3
P
max
(mW)
140
δ(mW/°C)
Approx.
1.4
Thermal
Time
Constant
τ
(Sec.)
Part No.
Size
Operating
Temperature
Range
T
L
~T
U
(°C)
-40 ~ +125
Safety
Approvals
UL/
TUV CQC
cUL
Approx.
1.2
25/85
1, 2, 3,
5, 10
0402
1, 2, 3
170
Approx.
1.7
Approx.
2.0
-40 ~ +125
25/50
5, 10
3
1, 2,
3, 5, 10
1, 2, 3
5, 10
25/85
3
Approx.
2.1
Approx.
3.1
0603
210
1, 2, 3
-40~+125
1, 2,
3, 5, 10
5, 10
25/50
1, 2, 3,
5, 10
3
1, 2, 3
0805
1, 2, 3,
5, 10
5, 10
25/85
1, 2, 3
240
Approx.
2.4
Approx.
5.4
-40~+125
3
Note 1:
□
= Tolerance of R
25
* = Tolerance of B value
Note 2: UL&cUL File No. E138827 / TUV File No. R 50167657
Note 3: Special specifications are available upon request
THINKING ELECTRONIC INDUSTRIAL CO., LTD.
All specifications are subject to change without notice.
67
www.thinking.com.tw
2012.08
NTC Thermistor：TSM Series
SMD Type NTC Thermistor for Temperature Sensing
Max. Power Dissipation Derating Curve
100%
T
U
: Maximum operating temperature (℃)
T
L
: Minimum operating temperature (℃)
For example:
Ambient temperature (Ta) = 55
℃
Maximum operating temperature (T
U
) = 125℃
P
Ta
=(T
U
-Ta)/(T
U
-25)×Pmax = 70% Pmax
T
L
0
25
T
U
0
Ambient temperature (
℃
)
R-T Characteristic Curves
TSMAB103□338* ~ TSMAB104□425*
100000
100000
TSM0A103□34D* ~ TSM0B474□470*
1
10000
10000
2
1
2
3
4
5
6
7
100
Resistance(KΩ)
100
3
Resistance(KΩ)
1000
1000
10
10
1:TSM0B474□470*
2:TSM0B104□480*
3:TSM0A104□405*
1:TSMAB104□425*
1
2:TSMAB683□425*
3:TSMAB103□338*
1
4:TSM0A683□410*
5:TSM0B473□405*
6:TSM0A223□395*
7:TSM0A103□34D*
0.1
-40 -30 -20 -10
0
10 20 30 40 50 60 70 80 90 100 110 120 130
0.1
-40 -30 -20 -10
0
10 20 30 40 50 60 70 80 90 100 110 120 130
Temperature (
℃
)
Temperature (
℃
)
THINKING ELECTRONIC INDUSTRIAL CO., LTD.
All specifications are subject to change without notice.
68
www.thinking.com.tw
2012.08
NTC Thermistor：TSM Series
SMD Type NTC Thermistor for Temperature Sensing
TSM0B103□338* ~ TSM0B224□470*
100000
TSM1A202□340* ~ TSM1A204□410*
100000
10000
10000
1
2
1
2
3
1000
Resistance(KΩ)
1000
Resistance(KΩ)
3
4
4
5
6
7
8
9
10
5
6
100
100
1:TSM1A204□410*
2:TSM1A104□436*
3:TSM1A683□39H*
1
10
1:TSM0B224□470*
2:TSM0A104□436*
1
4:TSM1A223□392*
5:TSM1A103□39H*
6:TSM1A682□395*
3:TSM0B104□354*
4:TSM0A333□405*
5:TSM0A103□395*
6:TSM0B103□338*
0.01
-40 -30 -20 -10
0
10 20 30 40 50 60 70 80 90 100 110 120 130
0.1
7:TSM1A472□370*
8:TSM1A502□385*
9:TSM1A202□340*
0.1
-40 -30 -20 -10
0
10 20 30 40 50 60 70 80 90 100 110 120 130
Temperature (
℃
)
Temperature (
℃
)
TSM1A472□34D* ~ TSM1A474□415*
100000
100000
TSM1B221□350* ~ TSM1B224□460*
10000
1
10000
1
Resistance(KΩ)
Resistance(KΩ)
2
3
1000
1000
2
3
4
5
6
4
5
6
7
8
9
100
100
10
7
1
1:TSM1B224□460*
2:TSM1B104□355*
3:TSM1B103□420*
4:TSM1B103□338*
5:TSM1B472□425*
6:TSM1B222□395*
7:TSM1B221□350*
1:TSM1A474□415*
10
2:TSM1A154□406*
3:TSM1A104□405*
4:TSM1A473□39H*
5:TSM1A103□34D*
0.1
1
6:TSM1A682□34D*
7:TSM1A502□34D*
8:TSM1A103□430*
9:TSM1A472□34D*
0.001
0.01
0.1
-40 -30 -20 -10
0
10 20 30 40 50 60 70 80 90 100 110 120 130
-40 -30 -20 -10
0
10
20 30 40 50
60 70 80
90 100 110 120 130
Temperature (
℃
)
Temperature (
℃
)
THINKING ELECTRONIC INDUSTRIAL CO., LTD.
All specifications are subject to change without notice.
69
www.thinking.com.tw
2012.08
NTC Thermistor：TSM Series
SMD Type NTC Thermistor for Temperature Sensing
TSM2A502□34D* ~ TSM2A684□450*
100000
1
10000
2
1000
3
Resistance(KΩ)
4
5
100
6
10
1:TSM2A684□450*
2:TSM2A104□405*
3:TSM2A473□39H*
4:TSM2A103□395*
1
5:TSM2A103□34D*
6:TSM2A502□34D*
0.1
-40 -30 -20 -10
0
10 20 30 40 50 60 70 80 90 100 110 120 130
Temperature (
℃
)
Soldering Recommendation
IR-reflow Soldering Profile
Preheating
255~260
℃
Peak temp
Cooling
Temperature
217
℃
150~200
℃
150±20
℃
60~150 sec
T
amb
3
℃
/sec
(max.)
60~180
sec
3
℃
/sec
(max.)
20~40
sec
6
℃
/sec
(max.)
t
8 minutes max.
Time
THINKING ELECTRONIC INDUSTRIAL CO., LTD.
All specifications are subject to change without notice.
70
www.thinking.com.tw
2012.08
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