MAC8S SERIES

5

Motorola Thyristor Device Data

Data Sheets

1

5

10

15

20

25

1

10

100

(di/dt)c, CRITICAL RATE OF CHANGE OF COMMUTATING CURRENT (A/ms)

110

°C

90

°C

100

°C

f =

1

1000

30

VPK = 400V

20 mHY

LL

1N4007

400 V

+

MEASURE

I

–

CHARGE

CONTROL

CHARGE

TRIGGER

5

mF

NON-POLAR

CL

51

2

1

1N914

G

400 VRMS

ADJUST FOR

ITM, 60 Hz VAC

Note: Component values are for verification of rated (dv/dt)c. See AN1048 for additional information.

Figure 16.0 Simplified Test Circuit to Measure the Critical Rate of Rise of Commutating Voltage

RS

15

W

0.01

mF

ADJUST FOR

dv/dt(c)

CS

Figure 15.0 Critical Rate of Rise of

Commutating Voltage