FMMT491ATA Datasheet, PDF(4/7 Page) Diodes Incorporated – 40V NPN SILICON PLANAR MEDIUM POWER TRANSISTOR IN SOT23

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FMMT491ATA Datasheet, PDF (4/7 Pages) Diodes Incorporated – 40V NPN SILICON PLANAR MEDIUM POWER TRANSISTOR IN SOT23

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A Product Line of

Diodes Incorporated

FMMT491A

Electrical Characteristics (@TA = +25Â°C, unless otherwise specified.)

Characteristic

Collector-Base Breakdown Voltage

Collector-Emitter Breakdown Voltage (Note 9)

Emitter-Base Breakdown Voltage

Collector Cutoff Current

Emitter Cutoff Current

Collector Emitter Cutoff Current

Static Forward Current Transfer Ratio (Note 9)

Collector-Emitter Saturation Voltage (Note 9)

Base-Emitter Turn-On Voltage(Note 9)

Base-Emitter Saturation Voltage(Note 9)

Output Capacitance

Symbol

BVCBO

BVCEO

BVEBO

ICBO

IEBO

ICES

hFE

VCE(sat)

VBE(on)

VBE(sat)

Cobo

Min

Typ

300

200

Transition Frequency

150

Notes: 9. Measured under pulsed conditions. Pulse width â¤ 300Âµs. Duty cycle â¤ 2%.

Max

100

900

0.3

0.5

1.0

1.1

Unit

MHz

Test Condition

IC = 100ÂµA

IC = 10mA

IE = 100ÂµA

VCB = 30V, VCES = 30V

VEB = 5V

VCE = 30V, VCES = 30V

IC = 1mA, VCE = 5V

IC = 500mA, VCE = 5V

IC = 1A, VCE = 5V

IC = 2A, VCE = 5V

IC = 500mA, IB = 50mA

IC = 1A, IB = 100mA

IC = 1A, VCE = 5V

IC = 1A, IB = 100mA

VCB = 10V, f = 1MHz

VCE = 10V, IC = 50mA,

f = 100MHz

FMMT491A

Document number: DS33092 Rev. 4 - 2

4 of 7

www.diodes.com

October 2012

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