Sensitive SCRs

Data Sheets

http://www.littelfuse.com

E5 - 10

©2004 Littelfuse, Inc.

+1 972-580-7777

Thyristor Product Catalog

Figure E5.17 Power Dissipation (Typical) versus RMS On-state Current

Figure E5.18 Normalized DC Latching Current versus Case Temperature

Figure E5.19 Simple Test Circuit for Gate Trigger Voltage and

Current Measurement

Note: V1 — 0 V to 10 V dc meter

R1 — 1 k potentiometer

To measure gate trigger voltage and current, raise gate voltage

ping.

02468

10

0

2

4

6

8

10

12

CURRENT WAVEFORM: Half Sine Wave

LOAD: Resistive or Inductive

CONDUCTION ANGLE: 180˚

6 A to 10 A

TO-220, TO-202,

TO-251, and TO-252

-65

-15

+25

+65

+110 +125

-40

0

1.0

2.0

3.0

4.0

5.0

6.0

7.0

8.0

9.0

Case Temperature (TC) – ˚C

See General Notes for specific device

operating temperature range.

V1

6 V

DC

+

–

100

D.U.T.

Reset

Normally-closed

Pushbutton

1 k

(1%)

I

G

V

GT

100

I

GT

R1

IN4001

IGT

IG

1000

------------- Amps

–

=