MMDT3946 datasheet(3/5 Pages) BILIN

Part #	MMDT3946

Description	Small Signal Surface Mount Transistor

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Manufacturer	BILIN [Galaxy Semi-Conductor Holdings Limited]

Direct Link	http://www.galaxycn.com

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3 / 5 page

BL Galaxy Electrical

Production specification

Small Signal Surface Mount Transistor

MMDT3946

Document number: BL/SSSTE004

www.galaxycn.com

Rev.A

3

SYMBOL

PARAMETER

CONDITIONS

MIN.

MAX.

UNIT

V(BR)CBO

Collector-base breakdown voltage IC=-10μA,IE=0

-40

V

V(BR)CEO

Collector-emitter breakdown

voltage

IC=-1mA,IB=0

B

-40

V

V(BR)EBO

Emitter-base breakdown voltage

IE=-10μA,IC=0

-5

V

ICEX

collector cut-off current

IE = 0,VCB = -30V

-

-0.05

μA

IBL

Base cut-off current

IC = 0, VEB = -3V

-

-0.05

μA

hFE

DC current gain

VCE =-1V,IC= -0.1mA

VCE =-1V,IC =-1mA

VCE =-1V,IC =-10mA

VCE =-1V,IC =-50mA

VCE =-1V,IC =-100mA

60

80

100

60

30

-

300

-

IC =-10mA,IB =-1mA

B

-

-250

mV

VCE(sat)

collector-emitter saturation

voltage

IC =-50mA,IB =-5mA

B

-

-400

mV

IC =-10mA,IB =-1mA

B

-650

-850

mV

VBE(sat)

base-emitter saturation voltage

IC =-50mA, IB =-5mA

B

-

-950

mV

Cobo

Output capacitance

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

-

4.5

pF

Cobi

Input capacitance

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

10

pF

fT

transition frequency

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

250

-

MHz

NF

noise figure

IC=-0.1mA,VCE=-5V

-

4

dB

td

delay time

-

35

ns

tr

rise time

VCC=-3V,VBE(off)=0.5V

IC=-10mA IB1=-IB2=-1mA

-

35

ns

ts

storage time

-

225

ns

tf

fall time

VCC=-3V,IC=-10mA

IB1=IB2=-1mA

-

75

ns

TYPICAL CHARACTERISTICS @ Ta=25℃ unless otherwise specified

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