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Comchip Technology CO., LTD.

Typical Rating and Characteristic Curves (MMBTA63/64-HF)

Fig.1 - DC Current Gain

Collector Current, -IC (mA)

0.3

0.5 0.7

2

3

5

3

20

30

50

70

100

200

20

100

10

1

10

REV:A

QW-JTR173

PNP Darlington Amplifier Transistor

Fig.2 - On Voltage

Collector Current, -IC (mA)

0.3 0.5

2

30

100

300

0

0.4

0.8

1.2

1.6

2.0

Fig.3 - Collector Saturation Region

Base Current, -IB (µA)

0.6

0.8

1.0

1.2

1.4

2.0

1.6

1.8

5

Fig.4 - High Frequency Current Gain

1

1K

0.1

1

10

Collector Current, -IC (mA)

10

7

200 300

30

50 70

VCE= -2V

25°C

-55°C

7

2

5

VCE= -5V

-10V

1

3

10

20

50

200

TA= 25°C

VBE(sat)@IC/IB= 100

VBE(on)@VCE= -5V

VBE(sat)@IC/IB= 1000

IC/IB= 100

0.2 0.5

2

100

500

5

1

10 20 50

200

0.1

1K 2K 5K 10K

TA=25°C

IC= -10mA

-50mA

-100mA

-175mA

-300mA

100

VCE= -5V

f=100MHz

TA=25°C

TA= 125°C