CPTC Thermistor：PL Series
For Switching Application
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
Tensile Strength
Of Terminals
∣△R/R25∣≦20%
No damage observed
IEC60068-2-21
(mm)
0.35<d≦0.5
0.5<d≦0.8
10.0
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
Shock
IEC60068-2-6
IEC60068-2-27
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
-40±3℃×30min.→+85±2℃×30min ×5Cycles
excessive time:2min＜T＜3min
∣△R/R25∣≦20%
No damage observed
Temp. cycle
IEC60068-2-14
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
Climatic sequence
Endurance at upper
category temperature
∣△R/R25∣≦20%
No damage observed
IEC60068-2-2
IEC60738-1
IEC60068-2-3
IEC60738-1
UCT=60℃, for 1000hrs
The highest
temperature and
max voltage load
UCT=60℃, 270VAC, I≦Imax
∣△R/R25∣≦20%
No damage observed
for 1000hrs
∣△R/R25∣≦20%
No damage observed
Humidity
40±5℃,90~95%RH,For 1000±2hrs
Room Temperature
Intermittent Load
25±5℃, 270VAC, I≦Imax
1min. on and 5min. Off ×､10,000 cycles
∣△R/R25∣≦20%
No damage observed
THINKING ELECTRONIC INDUSTRIAL Co., LTD.
5
www.thinking.com.tw
2006.07
THINKING [ Thinking Electronic Industrial Co.,Ltd ]
