THINKING TCF3A20233181

NTC Thermistor:
:TCF Type
Lead Frame for Temperature Sensing/Compensation
Features
1.
2.
3.
4.
5.
6.
7.
RoHS compliant
Body size ψ3mm
Radial lead resin coated
-40 ~ +100℃ operating temperature range
Wide resistance range
Cost effective
Agency recognition: UL /cUL
Recommended Applications
1. Home appliances (air conditioner, refrigerator,
electric fan, electric cooker, washing machine,
microwave oven, drinking machine, CTV, radio.)
2. Automotive electronics
3. Computers
4. Digital meter
Part Number Code
1
2
3
Product Type
Thinking
TCF NTC thermistor
TCF type
4
Size
3
ψ3mm
5
6
7
8
9
1KΩ
10KΩ
47KΩ
G
H
J
K
30
31
32
:
︰
40
41
︰
±2%
±3%
±5%
±10%
Definition
of
B Value
A
B25/85
B
B25/50
11
B Value
First
Two Digits
Zero Power Tolerance of
Resistance
R25
at 25℃ (R25)
F
±1%
102
103
473
10
30
31
32
:
︰
40
41
︰
12
13
14
15
B Value
Tolerance of
Last
B Value
Two Digits
1
±1%
0
A
1
B
2
︰
H
8
J
9
K
00
05
10
15
20
︰
75
80
85
90
95
2
3
16
Optional Suffix
Y
RoHS
compliant
±2%
±3%
Appearance
A
0.5 x 0.2mm
straight lead
Structure and Dimensions
2.4 max.
3.8 max.
Tiebar cut
0.7±0.05
0.5± 0.05
(Unit:mm)
2.5±0.5
THINKING ELECTRONIC INDUSTRIAL Co., LTD.
0.2±0.02
1
www.thinking.com.tw
2008.03
NTC Thermistor:
:TCF Type
Lead Frame for Temperature Sensing/Compensation
Electrical Characteristics
Part No.
Zero Power
Resistance
at 25°C
Tolerance
of
R25
R25 (KΩ)
( ±%)
B25/85
Value
Tolerance
of
B value
Max.
Power
Rating
at 25°C
Dissipation
Factor
(K)
(±%)
Pmax(mW)
δ(mW/°C)
Thermal
Operating
Safety
Time
Temperature
Approvals
Constant
Range
τ(Sec.)
TL~TU(°C)
UL cUL
TCF3A202□318*
2
3180
√
TCF3A502□33C*
5
3325
√
√
TCF3A103□34D*
10
3435
√
√
TCF3A123□347*
12
3470
√
√
TCF3A203□40B*
20
√
√
TCF3A303□409*
30
√
√
TCF3A333□409*
33
4090
√
√
TCF3A473□409*
47
4090
√
√
1、2、3、
5、10
4015
4090
1、2、3
150
Approx.
2
Approx.
12
-40~+100
TCF3A503□406*
50
4060
√
√
TCF3A104□419*
100
4190
√
√
Note 1: □ = Tolerance of R25 ,
* = Tolerance of B value
Note 2: UL/cUL File No E138827
Max power rating (%)
Power 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.
2
www.thinking.com.tw
2008.03
NTC Thermistor:
:TCF Type
Lead Frame for Temperature Sensing/Compensation
R-T Characteristic Curves (representative)
TCF3A202□318*~TCF3A104□419*
10000
100
10
TCF3A104□419*
TCF3A473□409*
TCF3A303□409*
TCF3A203□40B*
TCF3A123□347*
TCF3A103□34D*
TCF3A502□33C*
TCF3A202□318*
(K
Resistance(KΩ
Ω)
1000
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
Soldering
Cooling
Temperature
260℃ Max
Note 2
Note 3
130±20℃
Note 1
Tamb
30~90 sec. <1 sec.
Note 1:
(1~3℃)/sec
Note 2:
Approx. 200℃/sec
Note 3:
5℃/sec. (Max)
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 Thermistor
2 mm (min.)
THINKING ELECTRONIC INDUSTRIAL Co., LTD.
3
www.thinking.com.tw
2008.03
NTC Thermistor:
:TCF Type
Lead Frame for Temperature Sensing/Compensation
Reliability
Item
Standard
Test conditions / Methods
Specifications
Gradually applying the force specified and keeping the unit fixed for
10±1 sec
Tensile
Strength of
Terminals
Terminal cross-sectional
Force
IEC60068-2-21
No visible damage
area
(mm2)
(Kg)
0.1<S≦0.2
0.5
Hold specimen and apply the force specified below to each lead. Bend
the specimen to 90°, then return to the original position. Repeat the
procedure in the opposite direction.
Bending
Strength of
Terminals
Terminal cross-sectional
IEC60068-2-21
No visible damage
Force
area
(mm2)
(Kg)
0.1<S≦0.2
0.25
Solderability
IEC60068-2-20
235 ± 5℃ ,
2 ± 0.5 sec
At least 95% of terminal
electrode is covered by
new solder
Resistance to
Soldering Heat
IEC60068-2-20
260 ± 5℃ ,
10 ± 1 sec
No visible damage
∣△R25/R25∣≦ 3 %
High
Temperature
Storage
Damp Heat,
Steady State
No visible damage
∣△R25/R25∣≦ 5 %
100 ± 5℃ , 1000 ± 24 hrs
IEC60068-2-2
40 ± 2℃ ,
IEC60068-2-3
90~95% RH , 1000 ± 24 hrs
No visible damage
∣△R25/R25∣≦ 3 %
Thec conditions shown below shall be repeated 5 cycles
Rapid Change of
Temperature
Step
Temperature (℃)
Period (minutes)
1
-40 ± 5
30 ± 3
2
Room temperature
5±3
3
100 ± 5
30 ± 3
4
Room temperature
5±3
IEC60068-2-14
No visible damage
∣△R25/R25∣≦ 3 %
Life Test
IEC 60539-1
25 ± 5℃, Pmax. , 1000 ± 24 hrs
No visible damage
∣△R25 /R25∣≦ 5 %
Insulation Test
MIL-STD202FMethod 302
500 VDC 1 min
No visible damage
≧100 MΩ
Hi-pot Test
MIL-STD202FMethod 301
1000 VAC 1 min
No visible damage
THINKING ELECTRONIC INDUSTRIAL Co., LTD.
4
www.thinking.com.tw
2008.03
NTC Thermistor:
:TCF Type
Lead Frame for Temperature Sensing/Compensation
Packaging
Bulk Packing:
:1000 pcs/ bag
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.
5
www.thinking.com.tw
2008.03