Reverse Blocking Triode Thyristor

TFA10x

Series

2

K

A

G

Terminal List Table

Number

Name

Function

1A

Anode terminal

2

K

Cathode terminal

3

G

Gate control

Pin-out Diagram

Characteristic

Symbol

Test Conditions

Value

Units

Package Thermal Resistance

(Junction to Case)

For AC

3.4

ºC/W

All performance characteristics given are typical values for circuit or

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

12 3

Absolute Maximum Ratings

Characteristic

Symbol

Notes

Rating

Units

Peak Repetitive Off-State Voltage

TFA107x

700

V

TFA108x

800

V

Isolation Voltage

AC RMS applied for 1 minute between lead and case

1800

V

Average On-State Current

50 Hz half cycle sine wave, Conduction angle (

α) = 180°,

10.0

A

RMS On-State Current

15.7

A

Surge On-State Current

f = 60 Hz

Half cycle sine wave, single, non-repetitive

176

A

f = 50 Hz

160

A

128

Critical Rising Rate of On-State Current

di/dt

50

A/

μs

Peak Forward Gate Current

f

≥ 50 Hz, duty cycle ≤ 10%

2.0

A

Peak Forward Gate Voltage

f

≥ 50 Hz, duty cycle ≤ 10%

10

V

Peak Reverse Gate Current

f

≥ 50 Hz

5.0

V

Peak Gate Power Dissipation

f

≥ 50 Hz, duty cycle ≤ 10%

5.0

W

Average Gate Power Dissipation

0.5

W

Junction Temperature

–40 to 150

ºC

Storage Temperature

–40 to 150

ºC

Selection Guide

Part Number

(V)

UL-Recognized

Component

Package

Packing

TFA107(I)

700

Yes

3-pin fully molded SIP with

heatsink mount

50 pieces per tube

TFA107S

700

–

TFA108(I)

800

Yes

TFA108S

800

–

Allegro MicroSystems, Inc.

115 Northeast Cutoff

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

1.508.853.5000; www.allegromicro.com