English
Language : 

ASS-PKS Datasheet, PDF (4/5 Pages) StarHope – Axial Auto Surge Suppressor Stand-off Voltage - 18 to 43 Volts 12000 Watt Peak Pulse Power
SPSEMI
PKS(12KW) Series
Ratings and Characteristic Curves (TA=25 ℃ unless otherwise noted)
Fig.7 Power Derating Cure
120
100
80
60
40
20
0
0 25 50 75 100 125 150
AMBIENT TEMPERATURE(℃)
Recommended Soldering Conditions
Recommended Conditions
Re”ow Condition
Pre Heat
-Temperature Min(T s(min))
-Temperature Max(T s(max))
-Time(Min to Max)(t s)
Average ramp up rate
(Liquidus Temp(TL) to peak)
Ts(max) to TL -Ramp-up Rate
Re”ow
-Temperature(TL)(Liquidus)
-Temperature(tL)
Peak Temp(TP)
Time within 5℃ of actual Peak Temp(tP)
Ramp-down Rate
Time 25℃ to Peak Temp(TP)
Do not exceed
Pb-Free assembly
(see Fig.1)
+150℃
+200℃
60-180secs
3℃/sec.Max.
3℃/sec.Max.
+217℃
60-150secs
+260(+0/-5)℃
30 secs.Max.
6℃/sec.Max.
8 min.Max.
+260℃
Reflow Soldering
TP
TL
Ts(max)
Ts(min)
tP
Ramp-up
tL
Preheat
ts
Critical Zone
TL to TP
Ramp-down
25
time to peak temperature
(t 25℃ to peak)
Time
Marking Code
Cathode Band
****
Logo
Date Code
PKS18A
Marking Code
****
Logo
Date Code
PKS18CA
Marking Code
REV.2016.08.10
www.spsemi.cn
Page 4 of 5