© 1997 Fairchild Semiconductor Corporation

www.fairchildsemi.com

MPSA42 / MMBTA42 / PZTA42 Rev. 1.1.0

3

Typical Performance Characteristics

Figure 1. DC Current Gain vs. Collector Current

Figure 2. Collector-Emitter Saturation Voltage vs.

Collector Current

Figure 3. Base-Emitter Saturation Voltage vs.

Collector Current

Figure 4. Base-Emitter On Voltage vs.

Collector Current

Figure 5. Collector Cut-Off Current vs.

Ambient Temperature

Figure 6. Collector-Base and Emitter-Base

Capacitance vs. Reverse-Bias Voltage

1

10

100

1000

0

20

40

60

80

100

120

140

125

oC

100

oC

75

oC

-40

oC

25

oC

V

CE

=10V

I

C

- COLLECTOR CURRENT [mA]

1

10

100

1000

0.01

0.1

1

10

100

T

A

= 125

oC

100

oC

75

oC

-40

oC

25

oC

I

C

- COLLECTOR CURRENT [mA]

110

100

0.2

0.4

0.6

0.8

1.0

125

oC

100

oC

75

oC

-40

oC

25

oC

I

C

- COLLECTOR CURRENT [mA]

1

10

100

1000

0.0

0.2

0.4

0.6

0.8

1.0

1.2

T

A

= 125

oC

T

A

= 100

oC

T

A

= 75

oC

T

A

= -40

oC

T

A

= 25

oC

I

C

- COLLECTOR CURRENT [mA]

25

50

75

100

125

150

1

10

100

T - AMBIENT TEMPERATURE ( C)

A

V

= 150V

CB

°

0

2

4

6

8

10

121416

1820

1

10

100

C

OB

C

IB

REVERSE BIAS VOLTAGE [V]