TCF3A103G34D1AE - Thinking Electronic Industrial Co., Ltd.

NTC Thermistor：

：：

：TCF Series

Lead Frame Type for Temperature Sensing/Compensation

THINKING ELECTRONIC INDUSTRIAL Co., LTD.

1

www.thinking.com.tw

2011.10

All specifications are subject to change without notice.

3.8 max.

(Unit:mm)

0.5±0.05

2.5±0.5

2.4 max.

Tiebar cut

0.7±0.05

0.2±0.02

 Features

1. RoHS compliant & Halogen-Free (HF) series are available

2. Body size: ψ3mm

3. Radial lead resin coated

4. Operating temperature range: -40 ~ +100℃

5. Wide resistance range

6. Cost effective

7. Agency recognition: UL /cUL

 Recommended Applications

1. Home appliances

2. Computers

4. Digital meters

 Part Number Code

1 2 3 4 5 6 7 8 9 10

11

12

13

14

15

16

 Structure and Dimensions

Product Type

TCF

THINKING

NTC Thermistor

TCF Series

Size

3

ψ3mm

Zero Power

Resistance

at 25℃ (R

25

)

102

1KΩ

103

10KΩ

473

47KΩ

Tolerance of

R

25

F

±1%

G

±2%

H

±3%

J

±5%

K

±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 ±1%

2 ±2%

3 ±3%

Optional Suffix

Y RoHS

Compliant

E RoHS&HF

Compliant

Appearance

A

0.5 x 0.2mm

straight lead

Definition

of

B Value

A B

25/85

B B

25/50

NTC Thermistor：

：：

：TCF Series

Lead Frame Type for Temperature Sensing/Compensation

THINKING ELECTRONIC INDUSTRIAL Co., LTD.

2

www.thinking.com.tw

2011.10

All specifications are subject to change without notice.

 Electrical Characteristics

Zero Power

Resistance

at 25°C

Tolerance

of

R

25

B

Value Tolerance

of

B value

Max.

Power

Dissipation

at 25°C

Dissipation

Factor Thermal

Time

Constant

Operating

Temperature

Range Safety

Approvals

Part No.

R

25

(KΩ) ( ±%) (K) (±%) P

max

(mW)

δ(mW/°C)

τ(Sec.)

T

L

~T

U

(°C)

UL

cUL

TCF3A202□318*

2 3180

2, 3 √

√

TCF3A502□33C*

5 3325

√

TCF3A103□34D*

10 3435

√

TCF3A103□350*

10 3500

√

TCF3A303□409*

30 4090

√

TCF3A333□409*

33 4090

√

TCF3A503□406*

50 4060

1, 2, 3

√

TCF3A104□419*

100

25/85

4190

√

TCF3B202□350*

2 3500

2, 3 √

√

TCF3B103□390*

10

1, 2, 3, 5

25/50

3900

1, 2, 3

150 Approx.

2 Approx.

12 -40~+100

√

Note 1: □ = Tolerance of R

25

, * = Tolerance of B value

Note 2: UL/

cUL

File No E138827

 Max. Power Dissipation Derating Curve

100%

0 25 T

U

0

T

L

Ambient temperature ( )℃

℃℃

℃

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

NTC Thermistor：

：：

：TCF Series

Lead Frame Type for Temperature Sensing/Compensation

THINKING ELECTRONIC INDUSTRIAL Co., LTD.

3

www.thinking.com.tw

2011.10

All specifications are subject to change without notice.

0.1

1

10

100

1000

10000

-40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 100

 R-T Characteristic Curves

 Soldering Recommendation

 Wave Soldering Profile



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.)

TCF3A202□318*~TCF3A104□419*

Resistance(KΩ

Ω

Ω)

(K

Temperature (℃

℃℃

℃)

TCF3A104□419*

TCF3A503□406*

TCF3A333□409*

TCF3A303□409*

TCF3A103□34D*

TCF3A103□350*

TCF3B103□390*

TCF3A502□33C*

TCF3A202□318*

TCF3B202□350*

Temperature

130±20℃

260℃ Max

Tamb

Cooling

Time

Soldering Preheating

30~90 sec. ＜1 sec. ＜10 sec.

Note 1

Note 2 Note 3

Note 1: (1~3℃)/sec

Note 2: Approx. 200℃/sec

Note 3: 5℃/sec. (Max)

NTC Thermistor：

：：

：TCF Series

Lead Frame Type for Temperature Sensing/Compensation

THINKING ELECTRONIC INDUSTRIAL Co., LTD.

4

www.thinking.com.tw

2011.10

All specifications are subject to change without notice.

 Reliability

Item Standard Test conditions / Methods Specifications

Tensile Strength

of Terminals IEC60068-2-21

Gradually apply the specified force and keep the unit fixed for 10±1 sec

Terminal cross-sectional area

Force

(mm

2

)

(Kg)

0.1<S≦0.2

0.5

No visible damage

Bending Strength

of Terminals IEC60068-2-21

Hold specimen and apply the force specified below to each lead. Bend the

specimen to 90°, and then return to the orig

inal position. Repeat the

procedure in the opposite direction.

Terminal cross-sectional area

Force

(mm

2

)

(Kg)

0.1<S≦

0.2

0.25

No visible damage

Solderability IEC60068-2-20

245 ± 3℃ , 3 ± 0.3 sec At least 95% of terminal

electrode is covered by

new solder

Resistance to

Soldering Heat IEC60068-2-20

260 ± 3℃ , 10 ± 1 sec No visible damage

∣△R

25

/R

25

∣≦ 3 %

High Temperature

Storage IEC60068-2-2

100 ± 5℃ , 1000 ± 24 hrs No visible damage

∣△R

25

/R

25

∣≦ 5 %

Damp Heat,

Steady State IEC60068-2-3

40 ± 2 ℃, 90~95% RH, 1000 ± 24 hrs No visible damage

∣△R

25

/R

25

∣≦ 3 %

Rapid Change

of Temperature IEC60068-2-14

The conditions shown below shall be repeated 5 cycles

Step Temperature (℃) Period (minutes)

1 -40 ± 5 30 ± 3

2 Room temperature 5 ± 3

3 100 ± 5 30 ± 3

4 Room temperature 5 ± 3

No visible damage

∣△R

25

/R

25

∣≦ 3 %

Max.

Power Dissipation

IEC60539-1 25 ± 5℃, Pmax. , 1000 ± 24 hrs No visible damage

∣△R

25

/R

25

∣≦ 5 %

Hi-pot Test MIL-STD-202F

-Method 301 1000 V

AC

1 min No visible damage

NTC Thermistor：

：：

：TCF Series

Lead Frame Type for Temperature Sensing/Compensation

THINKING ELECTRONIC INDUSTRIAL Co., LTD.

5

www.thinking.com.tw

2011.10

All specifications are subject to change without notice.

 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