MMBT3904WT1 データシートの表示（PDF） - Willas Electronic Corp.

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MMBT3904WT1

General Purpose Transistors

Willas Electronic Corp. 

General Purpose Transistors

NPN

MMBT3904WT1

PNP

MMBT3906WT1

MMBT3906WT1

TYPICAL AUDIO SMALL–SIGNAL CHARACTERISTICS

NOISE FIGURE VARIATIONS

(V CE = –5.0 Vdc, T A = 25°C, Bandwidth = 1.0 Hz)

5.0

SOURCE RESISTANCE= 200Ω

I C = 1.0 mA

4.0

SOURCE RESISTANCE= 200 Ω

I C = 0.5 mA

3.0

SOURCE RESISTANCE =2.0kΩ

I C = 50 µA

14

f = 1.0 kHz

12

10

8

I C = 1.0 mA

I C = 0.5 mA

2.0

6

SOURCE RESISTANCE= 2.0kΩ

1.0

I C = 100 µA

0

0.1

0.2 0.4

1.0 2.0 4.0

MMBT3906WT1

10 20 40

100

4

2

0

0.1

f, FREQUENCY (kHz)

Figure 25

h PARAMETERS

I C = 50 µA

I C= 100 µA

MMBT3906WT1

0.2 0.4

1.0 2.0 4.0

10 20 40

100

R S , SOURCE RESISTANCE (kΩ)

Figure 26

(V = –10 Vdc, f = 1.0 kHz, T = 25°C)

CE

A

300

100

MMBT3906WT1

70

MMBT3906WT1

200

50

30

20

100

70

50

30

0.1

0.2 0.3 0.5

1.0

2.0 3.0 5.0

10

I C , COLLECTOR CURRENT (mA)

Figure 27. Current Gain

10

7.0

5.0

0.1

0.2 0.3 0.5

1.0

2.0 3.0 5.0 7.0 10

I C , COLLECTOR CURRENT (mA)

Figure 28. Output Admittance

20

MMBT3906WT1

10

5.0

2.0

1.0

0.5

0.2

0.1

0.2 0.3 0.5

1.0

2.0 3.0 5.0

10

I C , COLLECTOR CURRENT (mA)

Figure 29. Input Impedance

10

MMBT3906WT1

7.0

5.0

3.0

2.0

1.0

0.7

0.5

0.1

0.2 0.3 0.5

1.0

2.0 3.0 5.0

10

I C , COLLECTOR CURRENT (mA)

Figure 30. Voltage Feedback Ratio

2012-11

WILLAS ELECTRONIC CORP.

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