TTF Series Insulation Film Type for Temperature Sensing

NTC Thermistor:TTF Series
Insulation Film Type for Temperature Sensing/Compensation
 Features
1.
2.
3.
4.
5.
RoHS compliant
Halogen-Free (HF) series are available
Radial leaded insulation film coated
Operating temperature range: -40℃~+100℃
Agency recognition: UL / cUL
 Recommended Applications
1. Home appliances
2. Computers
3. Battery packs
 Part Number Code
1
2
3
Product Type
4
Size
THINKING
TTF NTC Thermistor
TTF Series
3
W:3.6mm
5
6
Definition
of
B Value
A
B25/85
B
B25/50
7
8
Zero Power
Resistance
at 25℃ (R25)
102
1KΩ
103
10KΩ
473
47KΩ
9
10
11
Tolerance
of R25
F
G
H
J
K
12
B Value
338
34D
395
39H
405
±1%
±2%
±3%
±5%
±10%
3380
3435
3950
3975
4050
13
14
15
16
Tolerance of
B Value
1
2
3
Optional Suffix
Y
RoHS
Compliant
RoHS & HF
Compliant
±1%
±2%
±3%
H
E
L:10mm solder part 2mm
A
L:25mm solder part 5mm
B
L:50mm solder part 5mm
Appearance
 Structure and Dimensions
For length is 25 or 50mm part
For length is 10mm part
2±1
3.6±0.5
NTC
Thermistor
10±1
L
0.6(max.)
0.6(max.)
1.1±0.4
3.6 ± 0.5
Slipped film
1.0max
Slipped film:
0.15 ± 0.02
5±1
2.0±0.5
1.0max
1.8±0.08
0.17 ± 0.02
0.5 ± 0.035
2.29±0.08
1.8 ± 0.1
THINKING ELECTRONIC INDUSTRIAL CO., LTD.
All specifications are subject to change without notice.
52
0.17 ± 0.02
1.26±0.08
0.15±0.02
0.5±0.05
(Unit:mm)
www.thinking.com.tw
2015.05
NTC Thermistor:TTF Series
Insulation Film Type for Temperature Sensing/Compensation
 Electrical Characteristics
Part No.
Zero Power
Resistance
at 25°C
Tolerance
of
R25
B
Value
Tolerance
of
B value
R25 (KΩ)
( ±%)
(K)
(±%)
Max.
Safety
Thermal
Operating
Dissipation
Power
Time
Temperature Approvals
Factor
Dissipation
Constant
Range
at 25°C
UL cUL
Pmax(mW) δ(mW/°C) τ(Sec.)
TL~TU(°C)
TTF3A502□34D*
5
3435


TTF3A103□34D*
10
3435


TTF3A203□34D*
20
3435


TTF3A223□34D*
22


TTF3A303□39H*
30


TTF3A503□408*
50




1, 2, 3,
5
25/85
3435
1, 2, 3
3.5
3975
Approx.
0.7
Approx.
5
-40 ~ +100
4080
3435
TTF3A104□40H*
100
Note 1: □ = Tolerance of R25
* = Tolerance of B value
Note 2: UL/cUL File No: E138827
Note 3: Special specifications are available upon request.
2,3
 Max. Power Dissipation Derating Curve
TU: Maximum operating temperature (℃)
100%
TL : Minimum operating temperature (℃)
For example:
Ambient temperature(Ta) = 55℃
Maximum operating temperature(TU) = 100℃
PTa = (TU-Ta)/(TU-25)×Pmax = 60% Pmax
0
TL
0
25
TU
Ambient temperature (℃)
THINKING ELECTRONIC INDUSTRIAL CO., LTD.
All specifications are subject to change without notice.
53
www.thinking.com.tw
2015.05
NTC Thermistor:TTF Series
Insulation Film Type for Temperature Sensing/Compensation
 R-T Characteristic Curves
TTF3A502□34D*~ TTF3A104□40H*
10000
1
1000
2
3
4
5
Resistance (KΩ)
100
6
7
10
1:TTF3A104□40H*
2:TTF3A503□408*
3:TTF3A303□39H*
4:TTF3A223□34D*
5:TTF3A203□34D*
6:TTF3A103□34D*
7:TTF3A502□34D*
1
0.1
-40 -30 -20 -10
0
10
20
30
40
50
60
70
80
90 100
Temperature (℃)
 Soldering Recommendation

Wave Soldering Profile
Preheating
Cooling
Soldering
Temperature
260℃ Max
Note 2
Note 3
130±20℃
Note 1
Note 1:
(1~3℃)/sec.
Note 2:
Approx. 200℃/sec.
Note 3: 5℃/sec. (Max.)
Tamb
30~90 sec. <1 sec.

Time
<10 sec.
Recommended Reworking Conditions with Soldering Iron
Item
Conditions
Temperature of Soldering Iron-tip
360℃ (max.)
Soldering Time
3 sec. (max.)
Distance from Coating
Do not touch film bottom
THINKING ELECTRONIC INDUSTRIAL CO., LTD.
All specifications are subject to change without notice.
54
www.thinking.com.tw
2015.05
NTC Thermistor:TTF Series
Insulation Film Type for Temperature Sensing/Compensation
 Reliability
Item
Standard
Test conditions / Methods
Specifications
Gradually apply the specified force and keep the unit fixed for
10±1 sec.
Tensile Strength
of Terminals
Terminal cross-sectional area
IEC 60068-2-21
2
Force
(mm )
(Kg)
0.05<S≦0.1
0.25
No visible damage
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 Terminals
IEC 60068-2-21
Terminal cross-sectional area
Force
2
(mm )
(Kg)
0.05<S≦0.1
0.125
No visible damage
Solderability
IEC 60068-2-20
245 ± 3℃, 3 ± 0.3 sec.
At least 95% of terminal
electrode is covered by
new solder
Resistance to
Soldering Heat
IEC 60068-2-20
260 ± 3℃, 10 ± 1 sec.
No visible damage
∣△R25/R25∣≦ 3 %
IEC 60068-2-2
100 ± 5℃, 1000 ± 24 hrs
IEC 60068-2-78
40 ± 2℃, 90~95% RH, 1000 ± 24 hrs
High Temperature
Storage
Damp Heat,
Steady State
No visible damage
∣△R25/R25∣≦ 5 %
No visible damage
∣△R25/R25∣≦ 3 %
The conditions shown below shall be repeated 5 cycles.
Rapid Change of
Temperature
Max.
Power Dissipation
IEC 60068-2-14
Step
1
2
3
4
IEC 60539-1
4.26.3
Temperature (℃)
-40 ± 5
Room temperature
100 ± 5
Room temperature
Period (minutes)
30 ± 3
5±3
30 ± 3
5±3
25 ± 5℃, Pmax. , 1000 ± 24 hrs
No visible damage
∣△R25/R25∣≦ 3 %
No visible damage
∣△R25/R25∣≦ 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.
55
www.thinking.com.tw
2015.05