Characteristic

Symbol

Min

Max

Unit

Input Impedance

(VCE = 10 Vdc, I C = 1.0 mAdc, f = 1.0 kHz)

hie

1.0

2.0

10

12

k Ω

Voltage Feedback Ratio

(VCE = 10 Vdc, I C = 1.0 mAdc, f = 1.0 kHz)

hre

0.5

0.1

8.0

10

X 10–4

Small–Signal Current Gain

(VCE = 10 Vdc, I C = 1.0 mAdc, f = 1.0 kHz)

hfe

100

100

400

400

–

Output Admittance

(VCE = 10 Vdc, I C = 1.0 mAdc, f = 1.0 kHz)

hoe

1.0

3.0

40

60

mhos

Noise Figure

(VCE = 5.0 Vdc, I C = 100 Adc, R S = 1.0 k Ω, f = 1.0 kHz)

NF

–

–

5.0

4.0

dB

SWITCHING CHARACTERISTICS

Delay Time

(VCC = 3.0 Vdc, V BE = –0.5 Vdc)

td

–

35

ns

Rise Time

(IC = 10 mAdc, I B1 = 1.0 mAdc)

tr

–

35

ns

Storage Time

(VCC = 3.0 Vdc, I C = 10 mAdc)

ts

–

200

ns

Fall Time

(IB1 = IB2 = 1.0 mAdc)

tf

–

50

ns

Figure 1. Delay and Rise Time

Equivalent Test Circuit

Figure 2. Storage and Fall Time

Equivalent Test Circuit

′

* Total shunt capacitance of test jig and connectors

2008. 03. 10

3/8

FFB3904D

Revision No : 0