4–116

Motorola Small–Signal Transistors, FETs and Diodes Device Data

JFET VHF/UHF Amplifiers

N–Channel — Depletion

MAXIMUM RATINGS

Rating

Symbol

Value

Unit

Drain – Gate Voltage

VDG

25

Vdc

Reverse Gate – Source Voltage

VGSR

25

Vdc

Drain Current

ID

30

mAdc

Forward Gate Current

IG(f)

10

mAdc

Total Device Dissipation @ TC = 25°C

Derate above 25

°C

PD

350

2.8

mW

mW/

°C

Operating and Storage Junction

Temperature Range

TJ, Tstg

– 65 to +150

°C

ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise noted)

Characteristic

Symbol

Min

Typ

Max

Unit

OFF CHARACTERISTICS

Gate – Source Breakdown Voltage

(IG = –1.0 µAdc, VDS = 0)

V(BR)GSS

–25

—

—

Vdc

Gate Reverse Current

(VGS = –20 Vdc, VDS = 0)

(VGS = –20 Vdc, VDS = 0, TA = 100°C)

IGSS

—

—

—

—

–1.0

– 0.2

nAdc

µAdc

Gate Source Cutoff Voltage

(VDS = 15 Vdc, ID = 10 nAdc)

2N5484

2N5486

VGS(off)

– 0.3

– 2.0

—

—

– 3.0

– 6.0

Vdc

ON CHARACTERISTICS

Zero – Gate –Voltage Drain Current

2N5484

(VDS = 15 Vdc, VGS = 0)

2N5486

IDSS

1.0

8.0

—

—

5.0

20

mAdc

SMALL– SIGNAL CHARACTERISTICS

Forward Transfer Admittance

(VDS = 15 Vdc, VGS = 0, f = 1.0 kHz)

2N5484

2N5486

yfs

3000

4000

—

—

6000

8000

mmhos

Input Admittance

(VDS = 15 Vdc, VGS = 0, f = 100 MHz)

2N5484

(VDS = 15 Vdc, VGS = 0, f = 400 MHz)

2N5486

Re(yis)

—

—

—

—

100

1000

mmhos

Output Admittance

(VDS = 15 Vdc, VGS = 0, f = 1.0 kHz)

2N5484

2N5486

yos

—

—

—

—

50

75

mmhos

Output Conductance

(VDS = 15 Vdc, VGS = 0, f = 100 MHz)

2N5484

(VDS = 15 Vdc, VGS = 0, f = 400 MHz)

2N5486

Re(yos)

—

—

—

—

75

100

mmhos

Forward Transconductance

(VDS = 15 Vdc, VGS = 0, f = 100 MHz)

2N5484

(VDS = 15 Vdc, VGS = 0, f = 400 MHz)

2N5486

Re(yfs)

2500

3500

—

—

—

—

mmhos

MOTOROLA

SEMICONDUCTOR TECHNICAL DATA

CASE 29–04, STYLE 5

TO–92 (TO–226AA)

1

2

3

2N5484

2N5486

1 DRAIN

2 SOURCE

3

GATE