MMUN2111LT1 SERIES

7

Motorola Small–Signal Transistors, FETs and Diodes Device Data

TYPICAL ELECTRICAL CHARACTERISTICS

MMUN2114LT1

35

Vin, INPUT VOLTAGE (VOLTS)

10

1

0.1

0

10

20

30

40

50

100

10

1

0

2

4

6

8

10

4.5

4

3.5

3

2.5

2

1.5

1

0.5

0

0

2

4

6

8

10

15

20

25

30

40

45

50

VR, REVERSE BIAS VOLTAGE (VOLTS)

Figure 17. VCE(sat) versus IC

IC, COLLECTOR CURRENT (mA)

0

20

40

60

80

Figure 18. DC Current Gain

Figure 19. Output Capacitance

Figure 20. Output Current versus Input Voltage

Figure 21. Input Voltage versus Output Current

IC, COLLECTOR CURRENT (mA)

1

0.1

0.01

0.001

f = 1 MHz

lE = 0 V

TA = 25°C

LOAD

+12 V

Figure 22. Inexpensive, Unregulated Current Source

Typical Application

for PNP BRTs

TA = –25°C

75

°C

25

°C

TA = 75°C

25

°C

–25

°C

VO = 5 V

VO = 0.2 V

TA = –25°C

25

°C

75

°C

IC/IB = 10

1

10

100

IC, COLLECTOR CURRENT (mA)

–25

°C

25

°C

TA = 75°C

VCE = 10 V

180

160

140

120

100

80

60

40

20

0

2

4

6

8

15

20 40 50

60 70

80

90