MJD112 (NPN), MJD117 (PNP)

http://onsemi.com

5

Figure 4. Maximum Rated Forward Biased

Safe Operating Area

Figure 5. Power Derating

2

0.3

100

5

2

0.5

0.2

BONDING WIRE LIMITED

THERMAL LIMIT

SECOND BREAKDOWN LIMIT

520

3

100

ms

1ms

dc

0.1

1

3

7

10

10

730

25

25

T, TEMPERATURE (

°C)

0

50

75

100

125

15

20

15

10

5

2.5

0

2

1.5

1

0.5

SURFACE

MOUNT

0.7

5ms

50

70

200

500

ms

ACTIVE−REGION SAFE−OPERATING AREA

There are two limitations on the power handling ability of

a transistor: average junction temperature and second

limits of the transistor that must be observed for reliable

operation; i.e., the transistor must not be subjected to greater

dissipation than the curves indicate.

is variable depending on conditions. Second breakdown

pulse limits are valid for duty cycles to 10% provided

Figure 4. At high case temperatures, thermal limitations will

reduce the power that can be handled to values less than the

limitations imposed by second breakdown.

0.04

30

1

4

10

40

200

10

50

70

100

0.1

2

6

20

20

PNP

NPN

0.6

0.4

0.2

0.06

Figure 6. Capacitance