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K0820S1URP Datasheet, PDF (5/8 Pages) Littelfuse – Standard Unidirectional SIDACs
Teccor® brand Thyristors
Standard Unidirectional SIDACs
Figure 15: L ow-voltage Input Circuit for Gas Ignition
10 µF
-+
50 V
24 V ac
60 Hz
4.7 µF
-+
100 V
+
-
4.7 µF
100 V
4.7 k
½W
1.2 µF
K1200EyU
Sidac
200 V
Figure 16: C omparison of SIDAC versus SCR for Gas
Ignitor Circuit
SCR
100-250 V ac
60 Hz
Sidac
100-250 V ac
60 Hz
H.V.
Ignitor
Figure 17: SIDAC Circuit for High-power Igniter
Figure 18: S IDAC Circuit for Gas Ignition
0.47 µF
1kΩ
K2200yU
AC 240V
60 Hz
2.2 µF
1kΩ
2.2MΩ
9
X)Y
6
6
N˖

˖
Q)
)5
K1500yU
.
X)
0˖
0˖
Soldering Parameters
Reflow Condition
Pb – Free assembly
- Temperature Min (Ts(min))
Pre Heat - Temperature Max (Ts(max))
- Time (min to max) (ts)
Average ramp up rate (Liquidus Temp)
(TL) to peak
TS(max) to TL - Ramp-up Rate
Reflow
- Temperature (TL) (Liquidus)
- Temperature (tL)
Peak Temperature (TP)
Time within 5°C of actual peak
Temperature (tp)
Ramp-down Rate
Time 25°C to peak Temperature (TP)
Do not exceed
150°C
200°C
60 – 180 secs
5°C/second max
5°C/second max
217°C
60 – 150 seconds
260+0/-5 °C
20 – 40 seconds
5°C/second max
8 minutes Max.
280°C
Kxxx0yU SIDAC Series
5
TP
TL
TS(max)
TS(min)
25
Ramp-up
Preheat
tS
time to peak temperature
tP
tL
Ramp-down
Time
©2015 Littelfuse, Inc
Specifications are subject to change without notice.
Revised: 08/11/15