MSCO280A 06-10-98

DSW2N2484 <-> (34285)

2N2484

°C unless otherwise noted)

SMALL - SIGNAL CHARACTERISTICS

SYMBOL

MIN

MAX

UNIT

Output Capacitance

≤f ≤1 MHz )

5

pF

Input

Capacitance

≤f ≤1 MHz )

6

pF

°C)

LOW FREQUENCY

SYMBOL

MIN

MAX

UNIT

Common - Emitter Forward Current Transfer Ratio

f = 1 kHz )

250

900

Common - Emitter Short Circuit Input Impedance

f = 1 kHz )

3.5

24

k

Ω

Common - Emitter Open Circuit Output Admittance

f = 1 kHz )

40

µmhos

Common-Emitter Open Circuit Reverse Voltage Transfer Ratio

f = 1 kHz )

8.0x10

-4

HIGH FREQUENCY AND NOISE

Magnitude of Common Emitter

Short Circuit Forward Current Transfer Ratio

 h

fe



µA, V

f = 5 MHz )

3.0

µA, V

f = 30 MHz )

2.0

7.0

Noise Figure

µAdc, V

Ω, f = 100Hz )

7.5

dB

Noise Figure

µAdc, V

Ω, f = 1 kHz )

3.0

dB

Noise Figure

µAdc, V

Ω, f = 10 kHz )

2.0

dB

Wide Band Noise Figure

µAdc , V

f = 10 Hz to 15.7 kHz )

3.0

dB

S p i c e M o d e l

Q2N2484

NPN ( IS = 66.4p

XTI = 2.0m

EG =

1.11

VAF = 73.1

BF = 660.0

ISE = 48.8n

+ NE = 46.13

IKF = 8.98

µ

NK =

0.123

XTB = 1.5

BR =

1.0

ISC = 66.4p

+ NC = 2.51

IKR = 1.23

RC =

0.738

CJC = 4.74p

VJC=

0.933

MJC = 0.35

+ FC =

0.5

CJE = 6.0p

VJE = 0.6

MJE = 0.34

TR = 25.96n

TF = 1.918n

+ ITF = 1.0

XTF = 0

VTF = 10.0 )

*1. Microsemi Corp. claims no responsibility for misapplication of Spice Model information. Spice modeling should be

used as a precursor guide to in-circuit performance. Actual performance is the responsibility of the user / designer.