Teccor® brandThyristors
Standard Unidirectional SIDACs
Figure 16: Comparison of SIDAC versus SCR for Gas
Figure 15: Low-voltage Input Circuit for Gas Ignition
Ignitor Circuit
4.7 µF
-
+
SCR
Sidac
4.7 k
½ W
10 µF
100 V
-
+
yU
K1200E
Sidac
50 V
+
-
100-250 V ac
60 Hz
100-250 V ac
60 Hz
4.7 µF
100 V
200 V
1.2 µF
24 V ac
60 Hz
H.V.
Ignitor
Figure 17: SIDAC Circuit for High-power Igniter
Figure 18: SIDAC Circuit for Gas Ignition
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$
K2200yU
0.47µF
1kΩ
K1500yU
.
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2.2 µF
2.2MΩ
AC 240V
60 Hz
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Soldering Parameters
Reflow Condition
Pb – Free assembly
tP
TP
-Temperature Min (Ts(min)
)
150°C
Ramp-up
TL
TS(max)
Pre Heat -Temperature Max (Ts(max)
)
200°C
tL
-Time (min to max) (ts)
60 – 180 secs
Ramp-down
Preheat
Average ramp up rate (LiquidusTemp)
(TL) to peak
5°C/second max
TS(min)
tS
TS(max) toTL - Ramp-up Rate
5°C/second max
217°C
-Temperature (TL) (Liquidus)
Reflow
25
time to peak temperature
-Temperature (tL)
60 – 150 seconds
260+0/-5 °C
Time
PeakTemperature (TP)
Time within 5°C of actual peak
Temperature (tp)
20 – 40 seconds
Ramp-down Rate
5°C/second max
8 minutes Max.
280°C
Time 25°C to peakTemperature (TP)
Do not exceed
Kxxx0yU SIDAC Series
©2015 Littelfuse, Inc
Specifications are subject to change without notice.
5
Revised: 08/11/15