2N4449 datasheet(2/2 Pages) MICROSEMI

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2N2369A; UA; UB; U; 2N4449; UA; UB; U JAN SERIES

ELECTRICAL CHARACTERISTICS (TA = 25

0C unless otherwise noted)

Characteristics

Symbol

Min.

Max.

Unit

OFF CHARACTERISTICS

Collector-Emitter Breakdown Voltage

IC = 10 mAdc

V(BR)CEO

Vdc

Collector-Emitter Cutoff Current

VCE = 20 Vdc

ICES

0.4

µAdc

Emitter-Base Breakdown Voltage

VEB = 4.5 Vdc

Emitter-Base Cutoff Current

VEB = 4.0 Vdc

IEBO

0.25

µAdc

Collector-Base Breakdown Voltage

VCB = 40 Vdc

Collector-Base Cutoff Current

VCB = 32 Vdc

ICBO

0.2

µAdc

ON CHARACTERISTICS (1)

Forward-Current Transfer Ratio

IC = 10 mAdc, VCE = 0.35 Vdc

IC = 30 mAdc, VCE = 0.4 Vdc

IC = 10 mAdc, VCE = 1.0 Vdc

IC = 100 mAdc, VCE = 1.0 Vdc

hFE

120

Collector-Emitter Saturation Voltage

IC = 10 mAdc, IB = 1.0 mAdc

IC = 30 mAdc, IB = 3.0 mAdc

IC = 100 mAdc, IB = 10 mAdc

VCE(sat)

0.20

0.25

0.45

Vdc

Base-Emitter Saturation Voltage

IC = 10 mAdc, IB = 1.0 mAdc

IC = 30 mAdc, IB = 3.0 mAdc

IC = 100 mAdc, IB = 10 mAdc

VBE(sat)

0.70

0.80

0.85

0.90

1.20

Vdc

DYNAMIC CHARACTERISTICS

Forward Current Transfer Ratio

IC = 10 mAdc, VCE = 10 Vdc, f = 100 MHz

h



5.0

Output Capacitance

VCB = 5.0 Vdc, IE = 0, 100 kHz ≤ f ≤ 1.0 MHz

Cobo

4.0

Input Capacitance

VEB = 0.5 Vdc, IC = 0, 100 kHz ≤ f ≤ 1.0 MHz

Cibo

5.0

(1)Pulse Test: Pulse Width = 300

µs, Duty Cycle ≤ 2.0%.

SWITCHING CHARACTERISTICS

Turn-On Time

IC = 10 mAdc; IB1= 3.0 mAdc, IB2 = 1.5 mAdc

ton

ηs

Turn-Off Time

IC = 10 mAdc; IB1 = 3.0 mAdc, IB2 = 1.5 mAdc

toff

ηs

Charge Storage Time

IC = 10 mAdc; IB1 = 10 mAdc, IB2 = 10 mAdc

ηs

6 Lake Street, Lawrence, MA 01841

1-800-446-1158 / (978) 794-1666 / Fax: (978) 689-0803

120101

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