CPTC Thermistor: Twin SMD Type PPL Serie
s
Overload Protection for Telecom Application
■
Reliability
Item
Solderability
Standard
IEC60068-2-58
Test conditions / Methods
245±5℃ , 3±0.3 sec.
Specifications
At least 95% of terminal
electrode is covered by new
solder
∣∣
R/R
25
∣∣
20%
No visible damage
Resistance to
Soldering Heat
IEC60068-2-58
255±5℃ ,10±1 sec.
Vibration
IEC60068-2-6
Frequency range: 10~55Hz
Amplitude: 0.75mm or 98m/S2
Direction: 3 mutually perpendicular directions, 2hrs each.
Wave: half-sine
Acceleration: 50m/s2
⊿V:1.0m/s
Pulse time:30ms
∣∣
R/R
25
∣∣
20%
No visible damage
Shock
IEC60068-2-27
∣∣
R/R
25
∣∣
20%
No visible damage
The rapid change conditions shown below shall be repeated 5 cycles.
Step
Rapid Change of
Temperature
IEC60068-2-14
1
2
3
4
Temperature(℃)
-40 ± 3
Room temperature
85 ± 2
Room temperature
Period(minutes)
30 ± 3
5±3
30 ± 3
5±3
∣∣
R/R
25
∣∣
20%
No visible damage
∣∣
R/R
25
∣∣
20%
No visible damage
∣∣
R/R
25
∣∣
20%
No visible damage
∣∣
R/R
25
∣∣
20%
No visible damage
∣△R/R25∣≦20%
No visible damage
∣△R/R25∣≦20%
No visible damage
∣△R/R25∣≦20%
No visible damage
∣△R/R25∣≦20%
No visible damage
∣∣
R/R
25
∣∣
20%
No visible damage
Climatic Sequence
High Temperature
Storage
High Temperature
Continuous Load
Damp Heat,
Steady State
Over Current
Power Contact
Lightning Surge
Power Induction
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
60℃, for 1000 hrs
IEC60068-2-2
IEC60738-1
60℃, Vmax, It<I<Imax for 1000 hrs
IEC60068-2-3
Specification
Standard
ITU-T K.20 9.4
ITU-T K30 4.2.5
Specification
Standard
40±2℃, 90~95%RH, for 1000±2 hrs
220Vrms, 3A, 60s on and 600s off , ×20 cycles
230Vrms,10 , 15Min
DC:1.0KV﹐10/1000µs,25A,×30 cycles
DC:1.5KV﹐10/310µs,37.5A,x10cycles
650Vrms, 600 , 1s on and 60s off ×10 cycles
THINKING ELECTRONIC INDUSTRIAL Co., LTD.
5
www.thinking.com.tw
2010.08
THINKING [ Thinking Electronic Industrial Co.,Ltd ]
