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MOC3081 Fiches technique(PDF) 4 Page - Motorola, Inc

No de pièce MOC3081
Description  6-Pin DIP Zero-Cross Optoisolators Triac Driver Output
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Fabricant  MOTOROLA [Motorola, Inc]
Site Internet  http://www.freescale.com
Logo MOTOROLA - Motorola, Inc

MOC3081 Fiches technique(HTML) 4 Page - Motorola, Inc

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


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