FMMT449 datasheet(2/6 Pages) FAIRCHILD

Part #	FMMT449

Description	NPN Low Saturation Transistor

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Manufacturer	FAIRCHILD [Fairchild Semiconductor]

Direct Link	http://www.fairchildsemi.com

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MHz

150

IC = 50mA,VCE = 10 V, f=100MHz

Transition Frequency

fT

pF

15

VCB = 10 V, IE = 0, f = 1MHz

Output Capacitance

Cobo

SMALL SIGNAL CHARACTERISTICS

V

1

IC = 1 A, VCE = 2 V

Base-Emitter On Voltage

VBE(on)

V

1.25

IC = 1 A, IB = 100 mA

Base-Emitter Saturation Voltage

VBE(sat)

mV

V

500

1.0

IC = 1 A, IB = 100 mA

IC = 2 A, IB = 200 mA

Collector-Emitter Saturation Voltage

VCE(sat)

-

300

70

100

80

40

IC = 50 mA, VCE = 2V

IC = 500 mA, VCE = 2V

IC = 1A, VCE = 2V

IC = 2A, VCE = 2V

DC Current Gain

hFE

ON CHARACTERISTICS*

nA

100

VEB = 4V

Emitter Cutoff Current

IEBO

nA

uA

100

10

VCB = 40 V

VCB = 40 V, Ta=100°C

Collector Cutoff Current

ICBO

V

5

IE = 100

µA

Emitter-Base Breakdown Voltage

BVEBO

V

50

IC = 1mA

Collector-Base Breakdown Voltage

BVCBO

V

30

IC = 10 mA

Collector-Emitter Breakdown Voltage

BVCEO

OFF CHARACTERISTICS

Units

Max

Min

Test Conditions

Parameter

Symbol

NPN Low Saturation Transistor

(continued)

Electrical Characteristics

TA = 25°C unless otherwise noted

*Pulse Test: Pulse Width

≤ 300 µs, Duty Cycle ≤ 2.0%

Page 2 of 2

fmmt449.lwpPrNB revA

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