CPTC Thermistor：PL Series
For Switching Application
Reliability Test
Item
Standard
Test conditions / Methods
Fasten body and apply a force gradually
to each lead for 10±1 sec.
Terminal diameter
Force
(mm)
T(N)
0.35<d≦0.5
5.0
0.5<d≦0.8
10.0
Then dip each lead into 255±5
℃
solder
for 3±0.5sec.to the 4±1mm above from body .
Dip each lead into 350±10
℃
solder for 3
�½�4sec.
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
Putting the PTC product in the shock equipment
Shock wave: half-sine
⊿
V=1.0m/s;Acceleration:50m/s2 ;Pulse time:30ms
-40±3
℃
×30min.→+85±2
℃
×30min ×5Cycles
excessive time:2min＜T＜3min
+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
Specifications
Tensile Strength
Of Terminals
IEC60068-2-21
∣△
R/R25
∣≦
20%
No damage observed
Solderability
Resistance to
Soldering Heat
IEC60068-2-20
At least 95% of terminal
electrode is covered by new
solder
∣△
R/R25
∣≦
20%
No damage observed
IEC60068-2-20
Vibration
IEC60068-2-6
∣△
R/R25
∣≦
20%
No damage observed
Shock
IEC60068-2-27
∣△
R/R25
∣≦
20%
No damage observed
Temp. cycle
IEC60068-2-14
∣△
R/R25
∣≦
20%
No damage observed
∣△
R/R25
∣≦
20%
No damage observed
Climatic sequence
IEC60738-1
Endurance at upper
category temperature
The highest
temperature and
max voltage load
Humidity
IEC60068-2-2
UCT=60
℃
, for 1000hrs
∣△
R/R25
∣≦
20%
No damage observed
IEC60738-1
UCT=60
℃
, 270V
AC
, I
≦
Imax
for 1000hrs
∣△
R/R25
∣≦
20%
No damage observed
∣△
R/R25
∣≦
20%
No damage observed
∣△
R/R25
∣≦
20%
No damage observed
IEC60068-2-3
40±5
℃
,90~95%RH,For 1000±2hrs
Room Temperature
Intermittent Load
IEC60738-1
25±5
℃
, 270V
AC
, I
≦
Imax
1min. on and 5min. Off ×�½�10,000 cycles
THINKING ELECTRONIC INDUSTRIAL Co., LTD.
5
www.thinking.com.tw
2006.07
THINKING [ Thinking Electronic Industrial Co.,Ltd ]
