2N2222A datasheet(3/8 Pages) STMICROELECTRONICS

部件名	2N2222A

功能描述	HIGH SPEED SWITCHES

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制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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ELECTRICAL CHARACTERISTICS (continued)

Symbo l

Parameter

Test Con ditions

Min.

Typ.

Max.

Unit

NF

Noise Figure

IC =0.1 mA

VCE =10 V

f= 1KHz

Rg =1K

Ω

4dB

hie

Input I mpedance

IC =1 mA

VCE =10 V

IC =10 mA

VCE =10 V

2

0.25

8

1.25

k

Ω

k

Ω

hre

Reverse Voltage Ratio

IC =1 mA

VCE =10 V

IC =10 mA

VCE =10 V

8

4

10

-4

10

-4

hoe

Out put Admittance

IC =1 mA

VCE =10 V

IC =10 mA

VCE =10 V

5

25

35

200

µS

td

∗∗

Delay Time

VCC =30 V

IC = 150 mA

IB1 =15 mA

VBB =-0.5 V

10

ns

tr

∗∗

Rise Time

VCC =30 V

IC = 150 mA

IB1 =15 mA

VBB =-0.5 V

25

ns

ts

∗∗

Storage T ime

VCC =30 V

IC = 150 mA

IB1 =-IB2 =15 mA

225

ns

tf

∗∗

Fall T ime

VCC =30 V

IC = 150 mA

IB1 =-IB2 =15 mA

60

ns

rbb ’ Cb’c

Feedback Time

Constant

IC =20 mA

VCE =20 V

f= 31.8MHz

150

ps

∗ Pulsed: Pulse duration = 300 µs, duty cycle ≤ 1%

∗∗ See test circuit

2N2219A/2N2222A

3/8

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