Triac (Bidirectional Triode Thyristor)

TMA16xB

Series

2

Absolute Maximum Ratings

Characteristic

Symbol

Notes

Rating

Units

Peak Repetitive Off-State Voltage

TMA164Bx

∞

400

V

TMA166Bx

600

V

Peak Non-Repetitive Off-State Voltage

TMA164Bx

∞

500

V

TMA166Bx

700

V

Isolation Voltage

AC RMS applied for 1 minute between lead and case

2000

V

RMS On-State Current

50/60 Hz full cycle sine wave,

total Conduction angle (

α+) + (α–) = 360°,

16

A

Surge On-State Current

f = 60 Hz

Full cycle sine wave, peak value, non-repetitive,

190

A

f = 50 Hz

180

A

160

Peak Gate Current

f

≥ 50 Hz, duty cycle ≤ 10%

2

A

Peak Gate Power Dissipation

f

≥ 50 Hz, duty cycle ≤ 10%

5

W

Average Gate Power Dissipation

0.5

W

Junction Temperature

–40 to 125

ºC

Storage Temperature

–40 to 125

ºC

T1

T2

G

Terminal List Table

Number

Name

Function

1

T1

Main terminal, gate referenced

2

T2

Main terminal connect to signal side

3

G

Gate control

Pin-out Diagram

Characteristic

Symbol

Test Conditions

Value

Units

Package Thermal Resistance

(Junction to Case)

For AC

1.6

ºC/W

All performance characteristics given are typical values for circuit or

system baseline design only and are at the nominal operating voltage and

123

Selection Guide

Part Number

(V)

UL-Recognized

Component

Package

Packing

TMA164B(I)

400

Yes

3-pin fully molded SIP with

heatsink mount

30 pieces per tube

TMA164B-L

400

–

TMA166B(I)

600

Yes

TMA166B-L

600

–

Allegro MicroSystems, Inc.

115 Northeast Cutoff

Worcester, Massachusetts 01615-0036 U.S.A.

1.508.853.5000; www.allegromicro.com