MOC3081 Motorola, MOC3081 Datasheet - Page 4

• Manufacturer Part Number: MOC3081
• Description: 6-Pin DIP Zero-Cross Optoisolators Triac Driver Output
• Manufacturer: Motorola

* For highly inductive loads (power factor < 0.5), change this value to
MOC3081 MOC3082 MOC3083
V CC
360 ohms.
4
V CC
R in
R in
1
2
3
1
2
3
MOC3081–83
MOC3081–83
330
6
5
4
R1
6
5
4
360
D1
360
Figure 8. Hot–Line Switching Application Circuit
Figure 9. Inverse–Parallel SCR Driver Circuit
39
0.01
LOAD
R2
SCR
HOT
NEUTRAL
240 Vac
D2
SCR
LOAD
In this circuit the “hot” side of the line is switched and the
load connected to the cold or neutral side. The load may be
connected to either the neutral or hot line.
part, 15 mA for the MOC3081, 10 mA for the MOC3082,
and 5 mA for the MOC3083. The 39 ohm resistor and 0.01
not be necessary depending upon the particular triac and
load used.
with a Motorola triac driver. Diodes can be 1N4001; resis-
tors, R1 and R2, are optional 330 ohms.
NOTE: This device should not be used to drive a load directly. It is
F capacitor are for snubbing of the triac and may or may
Typical circuit for use when hot line switching is required.
R in is calculated so that I F is equal to the rated I FT of the
Suggested method of firing two, back–to–back SCR’s,
240 Vac
intended to be a trigger device only.
Motorola Optoelectronics Device Data