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7

Pre-Irradiation

IRHMS67264, 2N7586T1

Fig 13. Maximum Safe Operating Area

Fig 14. Maximum Avalanche Energy

Vs. Drain Current

25

50

75

100

125

150

Starting TJ , Junction Temperature (°C)

0

100

200

300

400

500

ID

TOP

20.1A

28.5A

BOTTOM

45A

1

10

100

1000

VDS , Drain-to-Source Voltage (V)

0.1

1

10

100

1000

Tc = 25°C

Tj = 150°C

Single Pulse

1ms

10ms

OPERATION IN THIS AREA

LIMITED BY R DS(on)

100

µs

DC

Fig 15. Maximum Effective Transient Thermal Impedance, Junction-to-Case

0.001

0.01

0.1

1

0.00001

0.0001

0.001

0.01

0.1

1

Notes:

1. Duty factor D = t / t

2. Peak T = P

x Z

+ T

1

2

J

DM

thJC

C

P

t

t

DM

1

2

t , Rectangular Pulse Duration (sec)

1

0.01

0.02

0.05

0.10

0.20

D = 0.50

SINGLE PULSE

(THERMAL RESPONSE)