2N3903 datasheet(2/5 Pages) CDIL

Part #	2N3903

Description	NPN SILICON PLANAR EPITAXIAL SWITCHING TRANSISTORS

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Manufacturer	CDIL [Continental Device India Limited]

Direct Link	http://www.cdilsemi.com

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NPN SILICON PLANAR EPITAXIAL SWITCHING TRANSISTORS

2N3903 / 2N3904

TO-92

Plastic Package

ELECTRICAL CHARACTERISTICS (Ta=25ºC unless specified otherwise)

SMALL SIGNAL CHARACTERISTICS

DESCRIPTION

SYMBOL

TEST CONDITION

2N3903

Transistors Frequency

fT

IC=10mA, VCE=20V, f=100MHz

>250

Output Capacitance

Cob

VCB=5V, IE=0, f=1MHz

< 4.0

Input Capacitance

Cib

VEB=0.5V, IC=0, f=1MHz

< 8.0

ALL f=1kHz

Small Signal Current Gain

hfe

IC=1mA, VCE=10V

50 - 200

Input Inpedence

hie

IC=1mA, VCE=10V

1.0 - 8.0

Voltage Feedback Ratio

hre

IC=1mA, VCE=10V

0.1 - 5.0

Out put Adimttance

hoe

IC=1mA, VCE=10V

1.0 - 40

Noise Figure

NF

IC=100µA, VCE=5V, f=1KHz,

RS=1KΩ

< 6.0

SWITCHING Time

Delay time

td

VCC=3V, VBE=0.5V

< 35

Rise time

tr

IC=10mA, IB1=1mA

< 35

Storage time

ts

VCC=3V, IC=10mA

< 175

Fall time

tf

IB1=1B2=1mA

< 50

2N3903_3904Rev_1 030306E

ns

dB

ns

< 8.0

pF

ns

pF

µmhos

k

Ω

x10 -4

< 5.0

< 200

< 50

< 35

<4.0

UNITS

MHz

100 - 400

1.0 -10

1.0 - 40

0.5 - 8

For Lead Free Parts, Device

Part # will be Prefixed with

"T"

2N3904

>300

E B

C

Continental Device India Limited

Data Sheet

Page 2 of 5

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