CPTC Thermistor：PT Series
Temperature Sensor
Reliability Test
Item
Standard
Test conditions / Methods
Specifications
Fasten body and apply a force gradually
to each lead for 10±1 sec.
Terminal diameter
Force
T(N)
5.0
10.0
20.0
Tensile Strength of
Terminals
∣△R/R25∣≦20%
No damage observed
(mm)
IEC60068-2-21
0.35<d≦0.5
0.5<d≦0.8
0.8<d≦1.25
At least 95% of terminal
electrode is covered by new
solder
Then dip each lead into 255±5℃ solder
for 3±0.5sec.to the 4±1mm above from body .
Solderability
IEC60068-2-20
IEC60068-2-20
Resistance to
Soldering Heat
Dip each lead into 350±10℃ solder for 3～4sec.
∣△R/R25∣≦20%
No damage observed
to the 4±1mm above body.
Fasten body to baseboard with solder perfectly
and supply since wave oscillation at frequency from
10 HZ to 55HZ all oscillation with 0.75 mm of
Vibrato for 24 cycles in each of 3 naturally
perpendicular plane for a total of 6 hours
∣△R/R25∣≦20%
No damage observed
Vibration
IEC60068-2-6
Putting the PTC product in the shock equipment
shock wave: half-sine
⊿V=1.0m/s;Acceleration:50m/s2 ;Pulse time:30ms
∣△R/R25∣≦20%
No damage observed
Shock
Climatic sequence
Insulation *
IEC60068-2-27
IEC60738-1
+40℃,20%R.H X 24hrs →100℃ X 16hrs→25℃ X 2hrs→
+40℃,95%R.HX 24hrs→ 0℃ X 2hrs→+40℃,95%R.HX 24hrs→
25℃ X (1~2)hrs
∣△R/R25∣≦20%
No damage observed
CECC42000
CECC42000
IEC60068-2-3
IEC60068-2-14
IEC60068-2-2
100±15VDC , 60±5S
1000±10Vrms , 60±5S
≧100MΩ
Voltage Proof *
Humidity
No damage observed
∣△R/R25∣≦20%
No damage observed
40±2℃ ,90~95%RH,12±2VDC* for 1000±2 hrs
-40±3℃×30min.→+85±2℃×30min ×5Cycles
excessive time:2min＜T＜3min
∣△R/R25∣≦20%
No damage observed
Temp. cycle
Endurance at upper
category temperature
∣△R/R25∣≦20%
No damage observed
Ts+25℃, for 1000±2hrs
Endurance at
maximum operating
temperature and
maximum voltage
∣△R/R25∣≦20%
No damage observed
IEC60738-1
IEC60738-1
Ts+25℃, Vmax, Imax for 1000±2 hrs
+40 ℃,20%R.H X 24hrs →100 ℃ X 16hrs→25℃ X 2hrs→ +40
℃,95%R.HX 24hrs→ 0 ℃ X 2hrs→+40 ℃,95%R.H
24hrs→25 ℃ X (1~2)hrs
∣△R/R25∣≦20%
No damage observed
Climatic sequence
X
＊ : Only application for PTM series
THINKING ELECTRONIC INDUSTRIAL Co., LTD.
5
www.thinking.com.tw
2006.07
THINKING [ Thinking Electronic Industrial Co.,Ltd ]
