NTC Thermistor：TTS Series
：
Epoxy Bead Type for Temperature Sensing/Compensation
Features
1.
2.
3.
4.
5.
6.
7.
RoHS compliant & Halogen-Free (HF) series are available
Body size:ψ1.8mm,ψ2.6mm
Radial lead resin coated
Long leads for easy sensor placement
Operating temperature range: -40 ~ +100℃
Wide resistance range
Agency recognition: UL /cUL
Recommended Applications
1. Home appliances
2. Computers
3. Battery packs
4. Thermometers
Part Number Code
1
2
3
.4
5
6
7
8
9
10
11
12
13
14
15
16
Product Type
THINKING
TTS NTC Thermistor
TTS Series
1
Size
ψ1.8mmx
6.0 mm
(max)
ψ2.6mm×
6.0mm
(max)
Zero Power
Resistance
at 25℃ (R
25
)
102
103
473
1KΩ
10KΩ
47KΩ
Tolerance of
R
25
F
G
H
J
K
±1%
±2%
±3%
±5%
±10%
B Value
First
Two Digits
30
31
32
：
︰
40
41
︰
30
31
32
：
︰
40
41
︰
B Value
Last
Two Digits
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
Y
H
RoHS
Compliant
RoHS + HF
Compliant
2
Appearance
R
Φ0.30mm
Red Enamelled CP Wire
S
Φ0.25mm
Sn Plated Cu Wire
T
Φ0.28mm
Blue Teflon CP Wire
Definition
of
B Value
A
B
B
25/85
B
25/50
Structure and Dimensions
R Type
BLACK EPOXY
Red Enamelled CP
Wire
(Unit: mm)
Soldered
S Type
BLACK EPOXY
Sn Plated Cu Wire
d
D
D
A
I
A
L
L
Part No. Dmax.
TTS1
TTS2
1.8
2.6
Amax.
6.0
d
0.30±0.02
L
70±5
I
2±0.5
Part No. Dmax.
TTS1
TTS2
1.8
2.6
Amax.
6.0
d
0.25±0.02
d
L
70±5
6.0
6.0
THINKING ELECTRONIC INDUSTRIAL Co., LTD.
All specifications are subject to change without notice.
1
www.thinking.com.tw
2011.10
NTC Thermistor：TTS Series
：
Epoxy Bead Type for Temperature Sensing/Compensation
T Type
BLACK EPOXY
Blue Teflon CP Wire
d
D
A
I
L
Part No.
TTS1
Dmax.
1.8
Amax.
6.0
d
0.28±0.02
L
70±5
I
2±0.5
Electrical Characteristics
Part No.
Zero Power
Resistance
at 25°
C
R
25
(KΩ)
Ω
TTS1A103□34D*
TTS1A103□395*
TTS1A103□39H*
TTS1A103□425*
TTS1A223□370*
TTS1A333□405*
TTS1A104□436*
TTS1B104□410*
TTS2A502□39H*
TTS2A103□34D*
TTS2A103□396*
TTS2A103□39H*
TTS2A203□34D*
TTS2A104□436*
TTS2B102□392*
TTS2B502□39D*
TTS2B104□410*
TTS2B104□419*
TTS2B474□439*
Tolerance
of
R
25
( ±%)
B
Value
(K)
3435
3950
3975
25/85
4250
3700
4050
4360
25/50
4100
3975
3435
25/85
3960
3975
3435
4360
3920
3935
25/50
4100
4190
4390
Max.
Thermal
Tolerance
Operating
Power
Dissipation
Safety
of
Time
Temperature
Factor
Approvals
Dissipation
B value
Constant
Range
at 25°
C
(±%)
1, 2, 3
P
max
(mW)
δ(mW/°
C)
τ(Sec.)
T
L
~T
U
(°
C)
UL
√
√
√
2, 3
1, 2, 3
2, 3
1, 2, 3
45
1, 2, 3
≧1
≦10
-40 ~ +100
√
√
√
√
√
√
√
√
√
√
2, 3
1, 2, 3
√
√
√
√
2, 3
√
√
cUL
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
10
10
10
10
22
33
100
100
5
10
10
10
20
100
1
5
100
100
470
1, 2, 3, 5
Note 1:
□
= Tolerance of R
25
* = Tolerance of B value
Note 2: UL/
cUL
File No E138827
THINKING ELECTRONIC INDUSTRIAL Co., LTD.
All specifications are subject to change without notice.
2
www.thinking.com.tw
2011.10
NTC Thermistor：TTS Series
：
Epoxy Bead Type for Temperature Sensing/Compensation
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
)＝100℃
P
Ta
=(T
U
-Ta)/(T
U
-25)×Pmax＝60% Pmax
0
T
L
0
25
T
U
Ambient temperature (
℃
)
R-T Characteristic Curves
TTS2A502□39H*~ TTS2B474□439*
100000
TTS1A103□34D*~ TTS1B104□410*
10000
10000
1000
1000
Resistance(KΩ)
Ω
100
Resistance(KΩ)
Ω
100
TTS2B474□439*
10
10
1
TTS1B104□410*
TTS1A104□436*
TTS1A333□405*
TTS1A223□370*
TTS1A103□34D*
TTS1A103□395*
TTS1A103□39H*
TTS1A103□425*
1
0.1
TTS2B104□410*
TTS2B104□419*
TTS2A104□436*
TTS2A203□34D*
TTS2A103□34D*
TTS2A103□396*
TTS2A103□39H*
TTS2B502□39D*
TTS2A502□39H*
TTS2B102□392*
-40 -30 -20 -10
0
10
20
30
40
50
60
70
80
90
100
0.1
-40 -30 -20 -10
0
10
20
30
40
50
60
70
80
90
100
0.01
Temperature (
℃
)
Temperature (
℃
)
THINKING ELECTRONIC INDUSTRIAL Co., LTD.
All specifications are subject to change without notice.
3
www.thinking.com.tw
2011.10
NTC Thermistor：TTS Series
：
Epoxy Bead Type for Temperature Sensing/Compensation
Soldering Recommendation
Wave Soldering Profile
Preheating
260℃ Max
Temperature
Soldering
Cooling
Note 2
Note 3
Note 1:
(1~3℃)/sec
Approx. 200℃/sec
5℃/sec. (Max)
130±20℃
Note 2:
Note 1
Tamb
Note 3:
30~90 sec.
＜1
sec.
＜10
sec.
Time
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.)
THINKING ELECTRONIC INDUSTRIAL Co., LTD.
All specifications are subject to change without notice.
4
www.thinking.com.tw
2011.10
NTC Thermistor：TTS Series
：
Epoxy Bead Type for Temperature Sensing/Compensation
Reliability
Item
Standard
Test conditions / Methods
Gradually apply the specified force and keep the unit fixed for 10±1 sec
Terminal diameter
Tensile Strength
IEC 60068-2-21
of Terminations
(mm)
d≦0.25
0.25<d≦0.3
0.3<d≦0.5
Force
(Kg)
0.10
0.25
0.5
No visible damage
Specifications
Hold specimen and apply the force specified below to each lead. Bend the
specimen to 90° and then return to the original po sition. Repeat the procedure
,
in the opposite direction.
Bending
Strength of
Terminations
Terminal diameter
IEC 60068-2-21
(mm)
d≦0.25
0.25<d≦0.3
0.3<d≦0.5
Force
(Kg)
0.05
0.125
0.25
At least 95% of terminal
electrode is covered by
new solder
No visible damage
∣△R
25
/R
25
∣≦3
%
No visible damage
∣△R
25
/R
25
∣≦5
%
No visible damage
∣△R
25
/R
25
∣≦3
%
No visible damage
Solderability
IEC 60068-2-20
245
±
3℃ ,
3
±
0.3 sec
Resistance to
Soldering Heat
High
Temperature
Storage
Damp Heat,
Steady State
IEC 60068-2-20
260
±
3℃ ,
10
±
1 sec
IEC60068-2-2
IEC60068-2-3
100
±
5℃ , 1000
±
24 hrs
40
±
2℃, 90~95% RH, 1000
±
24 hrs
The conditions shown below shall be repeated 5 cycles
Step
Temperature (℃)
-40±5
Room temperature
100±5
Room temperature
Period (minutes)
30±3
5±3
30±3
5±3
Rapid Change of
IEC60068-2-14
Temperature
1
2
3
4
No visible damage
∣△R
25
/R
25
∣≦3
%
Max.
Power
Dissipation
IEC60539-1
25
±
5℃, Pmax. X 1000
±
24 hrs
No visible damage
∣△R
25
/R
25
∣≦5
%
THINKING ELECTRONIC INDUSTRIAL Co., LTD.
All specifications are subject to change without notice.
5
www.thinking.com.tw
2011.10
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