Muti-Layer Thermistor
(Negative Temperature Coefficient)
Document No
TMTR-XXOS002A
Issued date
2012/10/02
1/10
Page
1. Scope :
This specification applies for the Lead-Free MTR series of Muti-Layer thermistor made by TA-I.
2. Construction:
Protective Coating
Sn Plating
Ni Plating
Ag Electrode
Ceramics
3. Type Designation:
MTR
06
F
T
F
344
2
Tolerance
Of
Resistance at
25℃
F:±1.0%
G:±2.0%
H:±3.0%
J:±5.0%
Tolerance
of
B Value at
25(℃)
F:±1.0%
H:±3.0%
B Value
(K)
344:3435
B
103
2
Resistance at
25℃
102:1KΩ
Product
Code
Size
04:0402(1005)
06:0603(1608)
10:0805(2012)
Packaging
T: Paper
Temp Range
Of B Value
(℃)
395:3950
405:4050
410:4100
B:25-85
103:10KΩ
TA-I TECHNOLOGY CO., LTD
Muti-Layer Thermistor
(Negative Temperature Coefficient)
Document No
TMTR-XXOS002A
Issued date
2012/10/02
5/10
Page
6.Reliability Tests:
PERFORMANCE
Life
Humidity
Thermal Shock
Solderability
TEST METHOD
MIL – STD – 202F , Method 108A
1000 hours at 70℃ NTC WV intermittent
MIL – STD – 202F , Method 103B
1000 hours at Temperature: 40℃ Humidity: 95%
MIL – STD – 202F , Method 107
10 cycles, -40℃ to +125℃
MIL – STD – 202F , Method 208H
235℃ for 2 seconds
APPRAISE
Within ±3 %
Within ±3 %
Within ±3 %
95% min.
coverage
Within ±3 %
Within ±3 %
Over 3 kg
Over 1000MΩ
Not Short
Resistance to Soldering
MIL – R – 55342D , Para 4.7.7
Soldered to test board at 260℃ for 10 seconds
Heat
Bending Strength
JIS C 5202 6.1.4
Pressurizing rod at a rate at 1mm/sec for 1mm
Resistance to flexure of
JIS C 5202 6.2.1
Substrate
Pressurizing force shall be 3kg (min.)
Insulation Resistance
Dielectric Withstand
Voltage
MIL – STD – 202F , Method 302
DC 250V For 10 seconds
MIL – STD – 202F , Method 301
DC 250V For 10 seconds
7. Marking
No marking
TA-I TECHNOLOGY CO., LTD