©2003 Fairchild Semiconductor Corporation

HUF76121D3, HUF76121D3S Rev. B1

FIGURE 3. NORMALIZED MAXIMUM TRANSIENT THERMAL IMPEDANCE

FIGURE 4. PEAK CURRENT CAPABILITY

FIGURE 5. FORWARD BIAS SAFE OPERATING AREA

NOTE: Refer to Fairchild Application Notes AN9321 and AN9322.

FIGURE 6. UNCLAMPED INDUCTIVE SWITCHING CAPABILITY

0.01

0.1

1

2

SINGLE PULSE

NOTES:

DUTY CYCLE - DESCENDING ORDER

0.5

0.2

0.1

0.05

0.01

0.02

t, RECTANGULAR PULSE DURATION (s)

10

100

1000

I

150

FOR TEMPERATURES

CURRENT AS FOLLOWS:

t, PULSE WIDTH (s)

TRANSCONDUCTANCE

MAY LIMIT CURRENT

IN THIS REGION

1

10

100

1

10

100

500

100

µs

10ms

1ms

AREA MAY BE

OPERATION IN THIS

1

10

100

0.001

0.01

0.1

1

10

100

300

If R = 0

If R

≠ 0

HUF76121D3, HUF76121D3S