Document No TNT-04OS001A
Issued date 2007/12/11
Chip NTC Thermistor
Page 1/7
TA-I TECHNOLOGY CO., LTD
1. Scope :
This specification applies for the Lead-Free NTC thermistor series of chip NTC thermistor made by TA-I.
2. Construction:
3. Type Designation:
Over Coat
Ceramic Substrate
Conductor
Ni Plating
Thermistor Element
NT
NTC
Thermistor
04
Size
04:0402(1005)
J
Tolerance
of
Resistance
at 25℃
T
Packaging
T: Paper Tape
F:±1.0%
G:±2.0%
H:±3.0%
J:±5.0%
K:±10.0%
103
Resistance
at 25℃
102:1KΩ
103:10KΩ
Sn Plating
3435
B Value
(K)
Document No TNT-04OS001A
Issued date 2007/12/11
Chip NTC Thermistor
Page 2/7
TA-I TECHNOLOGY CO., LTD
4. Dimensions:
Unit: mm
5. Applications and ratings
Part
Designation
Zero Power
Resistance
at 25℃
(KΩ)
Tolerance of
Resistance
(±%)
*B25/85 value
(K)
*Tolerance
of B value
(±%)
**Zero power
current at
25℃ (mA)
Power
Rated at 25
℃
(mW)
Typical
Thermal
Time
Constant
(sec)
Typical
Dissipation
Constant
(mW/℃)
Operation
Temperature
range
(℃)
NT04□T102_2800 1 2800
0.100
NT04□T152_2800 1.5 2800
0.081
NT04□T202_2800 2.0 2800
0.070
NT04□T222_2800 2.2 2800
0.067
NT04□T332_3100 3.3 3100
0.055
NT04□T472_3300 4.7 3300
0.046
NT04□T502_3435 5.0 3435
0.044
NT04□T682_3435 6.8 3435
0.038
NT04□T103_3435 10 3435
0.031
NT04□T223_3700 22 3700
0.021
NT04□T333_3950 33 3950
0.017
NT04□T473_3950 47 3950
0.014
NT04□T503_4000 50 4000
0.014
NT04□T683_4000 68 4000
0.012
NT04□T104_4000 100 4000
0.010
NT04□T224_4000 220 4000
0.006
NT04□T474_4400 470
1、2、3、5、
10
4400
3
0.004
5 ≦5 3.0 -40~125
Note*：1.□：Resistance Tolerance Code.
2.
15.358
1
15.298
1
)ln(
85
25
85
25 −
=R
R
B
Dimensions (mm)
Type
(Inch Size code) L W C d t
NT04 (0402) 1.00±0.05 0.50±0.05 0.20±0.10 0.25±0.10 0.35±0.05
R25=Resistance at 25℃
R85=Resistance at 85℃
Document No TNT-04OS001A
Issued date 2007/12/11
Chip NTC Thermistor
Page 3/7
TA-I TECHNOLOGY CO., LTD
6.Reliability Tests:
Items Standard Requirements Test Conditions
Solderability IEC68-2-20
More than 95% of the terminal
electrode Shall be covered with new
solder.
235±5℃,2±0.5sec
2
45℃±5℃, 2±0.5second (Lead Free)
Resistance to
solder heat IEC68-2-20 1.No serious mechanical damage
2.ΔR≦ ±3%(ref. to initial value)
260±5℃,5±1sec
Damp Heat IEC68-2-3 1.No serious mechanical damage
2.ΔR≦3%(ref. to initial value)
1. 40 ±2℃, 90%~95%RH, 1000 ± 24 hr
2. measuring resistance after sample kept
at room temp. for 24 hr
Thermal Shock IEC68-2-14 1.No serious mechanical damage
2.ΔR≦3%
1.cycle : min. -40 ± 5℃ (30min )→25℃ ±5
℃(5min) →max. 125± 5℃(30min)→25± 5
℃(5min) 2.the
cycles are repeated 100 times
High Temp.
Storage IEC68-2-20 1.No serious mechanical damage
2.ΔR≦5%
1.Temp.: max. 125 ± 2℃
2.Time : 1000Hrs ± 2Hrs
measuring resistance after sample kept at
room temp. for 24 hr
Life Test CNS5550 1.No serious mechanical damage
2.ΔR≦3%
1.Temp.:max 25± 5℃ Loading Zero power
current
2.Time : 1000Hrs ± 24Hrs
Let it sit at R.T, for 24Hrs then Measure
Robustness of
Termination
(Bending)
JIS-C5202-6.1
1.ΔR≦3% 3mm deflection, duration 30 sec.
7. Marking
No marking for NT series
8.Taping & Reel
8.1.1 Taping Dimensions
8.1.2 2 mm pitch paper
Document No TNT-04OS001A
Issued date 2007/12/11
Chip NTC Thermistor
Page 4/7
TA-I TECHNOLOGY CO., LTD
Packing Type A B W F E P1 P
2 P
0 D
0 T
Paper Tape NT04 0.7±0.05 1.2±0.05 8.0±0.2 3.5±0.05 1.75±0.1 2.0±0.1 2.0±0.05 4.0±0.1
+0.
1
ψ1.5
0
0.45±0.1
Unit: mm
8.2 Reel Specifications
Unit: mm
Series ψA ψB ψC W T
NT06 178.0 ± 1.0 60.0 ± 1.0 13.0 ± 1.0 9.0±1.0 11.5±2.0
Paper Tape
2 mm pitch
Package
Style Size 180mm/R
NT 04 10000
Document No TNT-04OS001A
Issued date 2007/12/11
Chip NTC Thermistor
Page 5/7
TA-I TECHNOLOGY CO., LTD
8.3 Peel –off force :
pull
top cover tape 300 mm/min
10〜15∘ STANDARD : 0.1 ~ 0.7 N
carrier tape
9. Storage Conditions:
Temperature: 5℃~35℃, Humidity: 40%~75%
10. Shelf Life:
2 years from manufacturing date
11. Label
11.1 Manufacture Label :
Date Code Resistance Tolerance Type
Lot No:
11.2 Customer Label:
Lead-Free Products
Product Spec.
Customer No:
Date
Year Month
QTY: 5000 PCS
103 F
0086166K- 0008 0402
TA-I TECH LEAD FREE
0402 5%(T) 1KΩ
105A702723 NT04JT102_2800
06.05.21
Document No TNT-04OS001A
Issued date 2007/12/11
Chip NTC Thermistor
Page 6/7
TA-I TECHNOLOGY CO., LTD
12. Recommended land patterns
Dimension
Land pattern
Type Size
a b c
NT 04 (0402 ) 0.50~0.6 1.4~1.6 0.4~0.6
13. Recommend IR – Reflow profile : (solder : Sn96.5 / Ag3 / Cu0.5)
Peak : 250 0
5
−
+℃ , 5 sec
Pre – heat Zone : 150 to 180 ℃, 90±30 sec
Soldering Zone : 230℃ or higher , 30±10 sec
Chip NTC
Document No TNT-04OS001A
Issued date 2007/12/11
Chip NTC Thermistor
Page 7/7
TA-I TECHNOLOGY CO., LTD
14. ECN
Engineering Change Notice: The customer will be informed with ECN if there is significant
modification on the characteristics and materials described in Approval Sheet.
15. Manufacturing Country & City :
TA-I TECHNOLOGY CO., LTD. ( Taiwan – Tao Yuan )
Tel: 886-3-3246169 Fax : 886-3-3247410
Associated companies :
(1) FORTUNE TASK RESISTOR FACTORY ( China – Dong Guan )
Tel : 86-769-83394790 Fax : 86-769-83394794
(2) TA-I TECHNOLOGY ( SU ZHOU ) CO., LTD. ( China – Su Zhou)
Tel :86- 512-63457879 Fax : 86-512-63457869
(3) TAI OHM ELECTRONICS ( M ) SDN. BHD. ( Malaysia – Pulaupinang )
Tel :604- 3900480 Fax : 604-3901481
(4) P.T.TAI ELECTRONICS Indonesia ( Indonesia – Jakarta )
Tel :002-62-21-44820254 Fax : 002-62-21-44820256
