SIDAC
9
TL =25˚C
8
4.7
µF
TO-92, DO-214AA & DO-15X
"E", "S" and "G" Packages
Positive or Negative Instantaneous
On-State Current (iT) - Amps
7
6
5
4
3
10
µF
-
+
100V
+
4.7 kΩ
-
50V
�½W
+
-
24 VAC
60 Hz
TO-202 "F" Package
K1200E
SIDAC
200V
4.7
µF
100V
1.2
µF
2
1
0
0
0.8
1.0
1.2
1.4
1.6
1.8
2.0
2.2 2.4
2.6
2.8
3.0
3.2
3.4
3.6
H.V.
IGNITOR
Positive or Negative Instantaneous On-State Voltage (vT) - Volts
Figure 9.8
On-State Current vs On-State Voltage (Typical)
Figure 9.11
Ignitor Circuit (Low Voltage Input)
2.2
2.0
Average On-State Power Dissipation
[PD(AV)] - Watts
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
CURRENT WAVEFORM: Sinusoidal
LOAD: Resistive or Inductive
CONDUCTION ANGLE: See Figure 9.15
BALLAST
BALLAST
TO-202 "F" Package
SIDAC
3.3 KΩ
0.47µF
400V
LAMP
SIDAC
7.5 KΩ
0.22µF
LAMP
120 VAC
60 Hz
16 mH
"E", "S" & "G" Packages
TO-92, DO-214AA & DO-15X
220 VAC
60 Hz
0.2
0.4
0.6
0.8
1.0
120 VAC
220 VAC
RMS On-State Current [IT(RMS)] - Amps
Figure 9.9
Power Dissipation (Typical) vs On-State Current
Figure 9.12 Typical High Pressure Sodium Lamp Firing Circuit
100Ω
SCR
SIDAC
2w
-
10
µF
250V
+
XENON LAMP
20 MΩ
100-250
VAC
60 Hz
100-250
VAC
60 Hz
+
10
µF
-
450V
120VAC
60Hz
K2200F1
4KV
SIDAC
200-
400V
TRIGGER
TRANSFORMER
20:1
.01µF
400V
Figure 9.10 Comparison of Sidac vs SCR
Figure 9.13 Xenon Lamp Flashing Circuit
Teccor Electronics
(972) 580-7777
9-5
SIDAC
TECCOR [ TECCOR ELECTRONICS ]
