NTC Thermistor：TSM Series
：
SMD NTC Thermistor for Temperature Sensing
Features
1. RoHS & 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 computer/ Personal computer
3. Liquid crystal display
4. Cellular phones
5. Bluetooth headset
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
Tolerance
of R
25
F
G
H
J
K
±1%
±2%
±3%
±5%
±10%
First
Two Digits
of B Value
30
31
32
：
︰
40
41
︰
30
31
32
：
︰
40
41
︰
Last
Two Digits
of B Value
0
A
1
B
2
︰
H
8
J
9
K
00
05
10
15
20
︰
75
80
85
90
95
Tolerance
of B Value
1
2
3
±1%
±2%
±3%
Optional Suffix
Z
RoHS & HF
Compliant
Packaging
R
B
Reel
Bulk
Zero Power Resistance
at 25℃ (R
25
)
102
103
473
10x10
2
= 1 K
10x10
3
=10 K
47x10
3
=47KΩ
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
1.20
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.
1
www.thinking.com.tw
2011.06
NTC Thermistor：TSM Series
：
SMD NTC Thermistor for Temperature Sensing
Electrical Characteristics
Part No.
Zero Power
Resistance
at 25°
C
R
25
(KΩ)
TSMAA682□34D*
TSMAA103□34D*
TSMAB104□425*
TSMAB224□450*
TSM0A103□34D*
TSM0A103□391*
TSM0A223□393*
TSM0A333□393*
TSM0A473□393*
TSM0A503□395*
TSM0A683□405*
TSM0A104□39H*
TSM0A224□405*
TSM0A474□409*
TSM0B474□470*
TSM1A202□340*
TSM1A222□34D*
TSM1B222□395*
TSM1A472□34D*
TSM1A472□367*
TSM1A502□34D*
TSM1A682□34D*
TSM1A682□430*
TSM1A103□34D*
TSM1A103□39H*
TSM1B103□425*
TSM1A123□380*
TSM1A153□395*
TSM1A223□39H*
TSM1A333□39H*
TSM1A473□39H*
TSM1A503□39H*
TSM1A683□39H*
TSM1A104□405*
TSM1B104□425*
TSM1A104□436*
TSM1A154□406*
TSM1A204□410*
TSM1A224□410*
TSM1A334□415*
TSM1A474□410*
TSM1B474□446*
TSM2A102□320*
TSM2A472□34D*
TSM2A502□34D*
TSM2A682□34D*
TSM2A103□34D*
TSM2A103□380*
TSM2A103□39H*
TSM2A153□395*
TSM2A203□395*
TSM2A223□380*
TSM2A223□39H*
TSM2A303□39H*
TSM2A473□39H*
6.8
10
100
220
10
10
22
33
47
50
68
100
220
470
470
2
2.2
2.2
4.7
4.7
5
6.8
6.8
10
10
10
12
15
22
33
47
50
68
100
100
100
150
200
220
330
470
470
1
4.7
5
6.8
10
10
10
15
20
22
22
30
47
Tolerance
of R
25
( ±%)
1、2、3
5、10
B Value
(K)
3435
25/85
3435
4250
25/50
4500
3435
3910
3930
3930
3930
25/85
3950
4050
3975
4050
4090
25/50 4700
3400
25/85
3435
25/50 3950
3435
3670
3435
25/85 3435
4300
3435
3975
25/50 4250
3800
3950
3975
3975
25/85
3975
3975
3975
4050
25/50 4250
4360
4060
4100
25/85
4100
4150
4100
25/50 4460
3200
3435
3435
3435
3435
3800
25/85 3975
3950
3950
3800
3975
3975
3975
Safety
Max. Power
Thermal Operating
Tolerance
Dissipation
Approvals
Time
Temperature
of B value Dissipation
Factor
Range
Constant
at 25℃
UL/
TUV
cUL
(±%)
P (mW)
δ(mW/°
C)
τ(Sec.)
T ~T (°
C)
max
L
U
√
1、2、3
140
Approx.
1.4
Approx.
1.2
-40 ~ +125
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
210
1、2、3
Approx
2.1
Approx
3.1
-40~+125
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
2
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
2011.06
1、2、3
5、10
1、2、3
170
Approx.
1.7
Approx.
2.0
-40 ~ +125
5、10
1、2、3、
5、10
5、10
1、2、3、
5、10
5、10
2、3
1、2、3
2、3
1、2、3
2、3
1、2、3
2、3
1、2、3、
5、10
2、3
1、2、3
2、3
1、2、3、
5、10
1、2、3
240
Approx
2.4
Approx
5.4
-40~+125
THINKING ELECTRONIC INDUSTRIAL CO., LTD.
All specifications are subject to change without notice.
www.thinking.com.tw
NTC Thermistor：TSM Series
：
SMD NTC Thermistor for Temperature Sensing
Electrical Characteristics
Part No.
Zero Power
Resistance
at 25°
C
R
25
(KΩ)
TSM2A503□39H*
TSM2A683□39H*
TSM2A104□405*
TSM2A204□410*
TSM2A224□410*
Note 1:
Note 2:
Note 3:
50
68
100
200
220
Tolerance
of R
25
( ±%)
1、2、3、
5、10
B Value
(K)
3975
3975
25/85 4050
4100
4100
Safety
Max. Power
Thermal Operating
Tolerance
Dissipation
Approvals
Time
Temperature
of B value Dissipation
Factor
Range
Constant
at 25℃
UL/
TUV
cUL
(±%)
P (mW)
δ(mW/°
C)
τ(Sec.)
T ~T (°
C)
max
L
U
1、2、3
240
Approx
2.4
Approx
5.4
-40~+125
√
√
√
√
√
√
√
√
√
√
□
= Tolerance of R
25
* = Tolerance of B value
UL&cUL File No. E138827
TUV File No. R 50167657
*Special specifications are available upon request
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℃
0
T
L
0
25
T
U
P
Ta
=(T
U
-Ta)/(T
U
-25)×Pmax＝70% Pmax
Ambient temperature (
℃
)
THINKING ELECTRONIC INDUSTRIAL CO., LTD.
All specifications are subject to change without notice.
3
www.thinking.com.tw
2011.06
NTC Thermistor：TSM Series
：
SMD NTC Thermistor for Temperature Sensing
R-T Characteristic Curves (representative)
TSM0A103□391* ~ TSM0A474□409*
□
□
100000
100000
TSM1A202□340* ~ TSM1A334□415*
□
□
10000
10000
Resistance(KΩ)
Ω
100
Resistance(KΩ)
Ω
1000
1000
100
TSM1A334□415*
TSM1A224□410*
TSM1A204□410*
TSM0A474□409*
10
10
TSM1A104□405*
TSM1A683□39H*
TSM1A503□39H*
TSM1A473□39H*
TSM1A333□39H*
TSM1A223□39H*
1
TSM0A224□405*
TSM0A104□39H*
TSM0A683□405**
TSM0A473□393*
1
TSM0A333□393*
TSM0A223□393*
TSM0A103□34D*
TSM0A103□391*
TSM1A103□34D*
TSM1A103□39H*
TSM1A682□34D*
TSM1A502□34D*
TSM1A472□34D*
0
-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
TSM1A202□340*
100 110 120 130
Temperature (
℃
)
Temperature (
℃
)
TSM2A472□34D* ~ TSM2A224□410*
□
□
100000
10000
1000
Resistance(KΩ)
Ω
100
10
TSM2A224□410*
TSM2A204□410*
TSM2A104□405*
TSM2A683□39H*
TSM2A503□39H*
TSM2A473□39H*
TSM2A223□39H*
TSM2A103□34D*
TSM2A103□39H*
1
0.1
-40
-30
-20
-10
0
10
20
30
40
50
60
70
80
90
100 110 120 130
Temperature (
℃
)
THINKING ELECTRONIC INDUSTRIAL CO., LTD.
All specifications are subject to change without notice.
4
www.thinking.com.tw
2011.06
NTC Thermistor：TSM Series
：
SMD NTC Thermistor for Temperature Sensing
Soldering Recommendation
IR-reflow Soldering Profile
Preheating
255~260°C
Temperature
Peak
temp
Cooling
217°C
150±20℃
150~200°C
60~150 sec
Tamb
t
3°C /sec
(max.)
60~180
sec
3°
C/sec
(max.)
20~40
sec
6°C /sec
(max.)
8 minutes max
Time
Reworking Conditions with Soldering Iron
Item
Temperature of Soldering Iron-tip
Soldering Time
Conditions
360℃ (max.)
3 sec (max.)
Φ
3mm (max.)
Diameter of Soldering Iron-tip
Caution: Do not touch the component surface with soldering iron directly to
prevent it from damage.
Recommended Soldering Pad Dimensions
Y
X
G
Z
Size
0201
0402
0603
0805
Z (mm)
0.8
1.7
3.0
3.4
G (mm)
0.3
0.5
1.0
1.0
X (mm)
0.3
0.6
1.0
1.4
Y (mm)
0.25
0.6
1.0
1.2
THINKING ELECTRONIC INDUSTRIAL CO., LTD.
All specifications are subject to change without notice.
5
www.thinking.com.tw
2011.06
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