FMBT3906W-H View Datasheet(PDF) - Formosa Technology

Part Name

Description

Manufacturer

FMBT3906W-H

SMD PNP Transistor

Formosa Technology 

Rating and characteristic curves (FMBT3906W)

TYPICAL AUDIO SMALL-SIGNAL CHARACTERISTICS NOISE FIGURE

VARIATIONS (VCE=-5.0Vdc, TA=25°C, Bandwidth=1.0Hz)

Fig. 7 Noise vs Frequency

5.0

SOURCE RESISTANCE=200 1/2

IC = 1.0mA

4.0

SOURCE RESISTANCE=200 1/2

IC = 0.5mA

3.0

SOURCE RESISTANCE=2.0k

IC = 50uA

2.0

1.0

SOURCE RESISTANCE=2.0k

IC = 100uA

0

0.1

1.0

10

100

Frequency (kHz)

Fig. 8 Noise vs Source Resistance

12

f =1.0kHz

10

IC = 1.0mA

IC = 0.5mA

8

IC = 100uA

6

4

IC = 50uA

2

0

0.1

1.0

10

100

Source Resistance, Rg (kΩ)

(VCE=-10.0Vdc, TA=25°C, f=1.0kHz))

Fig. 9 Current Gain

300

200

100

50

30

0.1

0.5

1.0

5.0

10

Collector Current, Ic (mA)

Fig. 10 Input Impedance

100

50

20

10

5

0.1

0.5

1.0

5.0

10

Collector Current, Ic (mA)

Fig. 11 Input Impedance

20

10

7.0

2.0

1.0

0.5

0.2

0.1

0.5

1.0

5.0

10

Collector Current, Ic (mA)

Fig. 12 Voltage Feedback Ratio

10

5.0

2.0

1.0

0.5

0.1

0.5

1.0

5.0

10

Collector Current, Ic (mA)

http://www.formosams.com/

TEL:886-2-22696661

FAX:886-2-22696141

Page 5

Document ID Issued Date

DS-231132

2009/08/10

Revised Date Revision

2010/03/10

B

Page.

10

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