MAC4DHM

http://onsemi.com

3

+ Current

+ Voltage

Symbol

Parameter

Peak Repetitive Forward Off−State Voltage

Peak Forward Blocking Current

Peak Repetitive Reverse Off−State Voltage

Peak Reverse Blocking Current

Voltage Current Characteristic of Triacs

(Bidirectional Device)

on state

off state

Quadrant 1

MainTerminal 2 +

Quadrant 3

MainTerminal 2 −

Maximum On−State Voltage

Holding Current

MT1

GATE

(+) MT2

REF

MT1

GATE

(+) MT2

REF

MT1

GATE

(−) MT2

REF

MT1

GATE

(−) MT2

REF

−

MT2 NEGATIVE

(Negative Half Cycle)

MT2 POSITIVE

(Positive Half Cycle)

+

Quadrant III

Quadrant IV

Quadrant II

Quadrant I

Quadrant Definitions for a Triac

All polarities are referenced to MT1.

With in−phase signals (using standard AC lines) quadrants I and III are used.