SMD Type

Thyristor

4

www.kexin.com.cn

6

Figure 8. Power Dissipation

1.0

0.8

0.7

0.5

0.4

0.2

0

IT(RMS), RMS ON-STATE CURRENT (AMPS)

Figure 9. Thermal Response, Device

Mounted on Figure 1 Printed Circuit Board

0.5

0.4

0.3

0.2

0.1

0

0.6

0.7

0.8

dc

90

°

120

°

10

1.0

di/dtc, RATE OF CHANGE OF COMMUTATING CURRENT (A/mS)

t, TIME (SECONDS)

0.01

1.0

0.001

0.0001

1.0

0.01

0.1

10

100

10

0.1

10

1.0

TJ, JUNCTION TEMPERATURE (°C)

90

80

70

60

100

110

VDRM = 200 V

400 Hz

300 Hz

0.9

0.6

0.3

0.1

1.0

110

°

VDRM

ITM

60 Hz

tw

30

°

f =

1

2 tw

60

°

80

°

180 Hz

α = 180°

60

°

(di dt)c +

6f I

TM

1000

100

°

α

α

ANGLE

Figure 10. Simplified Test Circuit to Measure the Critical Rate of Rise of Commutating Voltage (dv/dt)c

LL

1N4007

200 V

+

MEASURE

I

–

CHARGE

CONTROL

CHARGE

TRIGGER

NON-POLAR

CL

51

W

MT2

MT1

1N914

G

200 VRMS

ADJUST FOR

ITM, 60 Hz VAC

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

RS

ADJUST FOR

dv/dt(c)

CS

Figure 11. Typical Commutating dv/dt versus

Current Crossing Rate and Junction Temperature

Figure 12. Typical Commutating dv/dt versus

Junction Temperature at 0.8 Amps RMS

MAC08BT1,MAC08MT1