2N2857

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ELECTRICAL SPECIFICATIONS (Tcase = 25

ELECTRICAL SPECIFICATIONS (Tcase = 25

C)

STATIC

Symbol

Test Conditions

Value

Min.

Typ.

Max.

Unit

BVCEO

Collector-Emitter Breakdown Voltage

(IC = 3.0 mAdc, IB = 0)

15

-

-

V

BVCBO

Collector-Base Breakdown Voltage

(IC=1.0

µAdc, IE=0)

30

-

-

V

BVEBO

Emitter-Base Breakdown Voltage

(IE = 10

µAdc, IC = 0)

2.5

-

-

V

ICBO

Collector Cutoff Current

(VCE = 15 V, IE = 0 V)

-

-

.01

µA

HFE

DC Current Gain

(IC = 3.0 mAdc, VCE = 1.0 V)

30

-

150

DYNAMIC

Value

Symbol

Test Conditions

Min.

Typ.

Max.

Unit

Current-Gain - Bandwidth Product

(IC = 5.0 mAdc, VCE = 6 V, f = 100 MHz)

1.6

-

GHz

NF

Noise Figure (50 Ohms)

(IC = 1.5 mAdc, VCE = 6 V, f = 500 MHz)

5.5

dB

FUNCTIONAL

Value

Symbol

Test Conditions

Min.

Typ.

Max.

Unit

G

U max

Maximum Unilateral Gain

IC = 12 mAdc, VCE = 10V,

f = 500 MHz

-

13

-

dB

MAG

Maximum Available Gain

IC = 12 mAdc, VCE = 10V,

f = 500 MHz

-

13.5

-

dB

2

Insertion Gain

IC = 12 mAdc, VCE = 10V,

f = 500 MHz

9.5

10.5

-

dB