MAC8SD, MAC8SM, MAC8SN

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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.