Datasheet

7 www.fairchildsemi.com
MOC3031M, MOC3032M, MOC3033M, MOC3041M, MOC3042M, MOC3043M Rev. 1.0.1
MOC3031M, MOC3032M, MOC3033M, MOC3041M, MOC3042M, MOC3043M 6-Pin DIP Zero-Cross Optoisolators Triac Driver Output (250/400 Volt Peak)
Suggested method of firing two, back-to-back SCR’s with a Fairchild triac driver. Diodes can be 1N4001; resistors, R1 and R2, are
optional 1 k ohm.
Suggested method of firing two, back-to-back SCR’s with a Fairchild triac driver. Diodes can be 1N4001; resistors, R1 and R2, are
optional 330 ohm.
Note: This optoisolator should not be used to drive a load directly. It is intended to be a trigger device only.
Figure 14. Inverse-Parallel SCR Driver Circuit
(MOC3031M, MOC3032M, MOC3033M)
V
CC
R
in
1
2
3
6
5
4
115 VAC
SCR
180
R1 D1
SCR
MOC3031M
MOC3032M
MOC3033M
R2 D2
LOAD
Figure 15. Inverse-Parallel SCR Driver Circuit
(MOC3041M, MOC3042M, MOC3043M)
V
CC
R
in
1
2
3
6
5
4
240 VAC
SCR
360
R1 D1
SCR
MOC3041M
MOC3042M
MOC3043M
R2 D2
LOAD