NTC Thermistor：TTS Series
Epoxy Bead Type for Temperature Sensing/Compensation
Features
1.
2.
3.
4.
5.
6.
7.
8.
RoHS compliant
Halogen-Free (HF) series are available
Body size:
Ф1.8mm, Ф2.6mm
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.
2.
3.
4.
Home appliances
Computers
Battery packs
Thermometers
Part Number Code
1
2
3
.4
5
6
7
8
9
10
11
12
13
14
15
16
Product Type
TTS
THINKING
NTC Thermistor
TTS Series
1
Size
Ф1.8mm
x
6.0 mm
(max.)
Ф2.6mm
x
6.0mm
(max.)
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%
B Value
338
34D
395
39H
405
3380
3435
3950
3975
4050
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
G
Φ0.30mm
Sn Plated CP Wire
T
Φ0.30mm
Blue Teflon CP Wire
Zero Power
Resistance
at 25℃ (R
25
)
102
103
473
1KΩ
10KΩ
47KΩ
Structure and Dimensions
R Type
BLACK EPOXY
G Type
d
d
D
Red Enamelled CP
Wire
Soldered
BLACK EPOXY
Sn Plated CP Wire
D
A
L
I
A
L
(Unit: mm)
Series
TTS1
TTS2
Dmax.
1.8
2.6
Amax.
6.0
6.0
d
0.30±0.02
L
70±5
I
2±0.5
Series
TTS1
TTS2
Dmax.
1.8
2.6
Amax.
6.0
6.0
d
0.30±0.02
(Unit: mm)
L
70±5
THINKING ELECTRONIC INDUSTRIAL CO., LTD.
All specifications are subject to change without notice.
47
www.thinking.com.tw
2012.08
NTC Thermistor：TTS Series
Epoxy Bead Type for Temperature Sensing/Compensation
T Type
BLACK EPOXY
Blue Teflon CP Wire
d
D
A
L
I
(Unit: mm)
Series
TTS1
Dmax.
1.8
Amax.
6.0
d
0.30±0.02
L
70±5
I
2±0.5
Electrical Characteristics
Zero Power
Resistance
at 25°C
R
25
(KΩ)
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*
Part No.
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.
Tolerance
Power
Dissipation
of
Dissipation
Factor
B value
at 25°C
(±%)
1, 2, 3
P
max
(mW)
δ(mW/°C)
Thermal
Time
Constant
τ
(Sec.)
Operating
Safety
Temperature
Approvals
Range
T
L
~T
U
(°C)
UL
cUL
10
10
10
10
22
33
100
100
5
10
10
10
20
100
1
5
100
100
470
1, 2, 3, 5
1, 2, 3, 5
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
Note 1:
□
= Tolerance of R
25
* = Tolerance of B value
Note 2: UL/
cUL
File No: E138827
Note 3: Special specifications are available upon request.
THINKING ELECTRONIC INDUSTRIAL CO., LTD.
All specifications are subject to change without notice.
48
www.thinking.com.tw
2012.08
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
T
L
0
25
T
U
0
Ambient temperature (
℃
)
R-T Characteristic Curves
TTS1A103□34D*~ TTS1B104□436*
10000
100000
TTS2B102□392*~ TTS2B474□439*
1
2
1000
10000
1
3
4
5
6
7
1000
2
3
Resistance(KΩ)
100
8
Resistance(KΩ)
100
4
5
6
7
8
10
1:TTS2B474
□
439*
2:TTS2A104
□
436*
3:TTS2B104
□
419*
4:TTS2A203
□
34D*
10
1:TTS1A104
□
436*
2:TTS1B104
□
410*
3:TTS1A333
□
405*
1
1
5:TTS2A103
□
39H*
6:TTS2A103
□
34D*
7:TTS2A502
□
39H*
8:TTS2B102
□
392*
4:TTS1A223
□
370*
5:TTS1A103
□
425*
6:TTS1A103
□
39H*
7:TTS1A103
□
395*
8:TTS1A103
□
34D*
0.1
0.1
-40 -30 -20 -10
0
10
20
30
40
50
60
70
80
90
100
0.01
-40
-30
-20
-10
0
10
20
30
40
50
60
70
80
90
100
Temperature (
℃
)
Temperature (
℃
)
THINKING ELECTRONIC INDUSTRIAL CO., LTD.
All specifications are subject to change without notice.
49
www.thinking.com.tw
2012.08
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.
130±20℃
Note 2:
Note 1
Tamb
Note 3: 5℃/sec. (Max.)
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.)
10 mm (min.)
THINKING ELECTRONIC INDUSTRIAL CO., LTD.
All specifications are subject to change without notice.
50
www.thinking.com.tw
2012.08
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 position. 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
Solderability
Resistance to
Soldering Heat
High
Temperature
Storage
Damp Heat,
Steady State
IEC 60068-2-20
IEC 60068-2-20
IEC 60068-2-2
IEC 60068-2-78
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
245 ± 3
℃
, 3 ± 0.3 sec.
260 ± 3
℃
, 10 ± 1 sec.
100 ± 5
℃
, 1000 ± 24 hrs
40 ± 2
℃
, 90~95% RH, 1000 ± 24 hrs
The conditions shown below shall be repeated 5 cycles.
Rapid Change of
IEC 60068-2-14
Temperature
Step
1
2
3
4
Temperature (
℃
)
-40 ± 5
Room temperature
100 ± 5
Room temperature
Period (minutes)
30 ± 3
5±3
30 ± 3
5±3
No visible damage
∣△
R
25
/R
25
∣≦
3 %
Max.
Power
Dissipation
IEC 60539-1
25 ± 5
℃
, Pmax. , 1000 ± 24 hrs
No visible damage
∣△
R
25
/R
25
∣≦
5 %
Packaging
Bulk Packing: 500 pcs/bag
Warehouse Storage Conditions of Products
Storage Conditions :
1. Storage Temperature: -10℃~+40℃
2. Relative Humidity:
≦75%RH
3. Keep away from corrosive atmosphere and sunlight.
Period of Storage : 1 year
THINKING ELECTRONIC INDUSTRIAL CO., LTD.
All specifications are subject to change without notice.
51
www.thinking.com.tw
2012.08
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