2N3819 데이터 시트보기 (PDF) - ON Semiconductor

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2N3819

JFET VHF/UHF Amplifier

ON Semiconductor 

2N3819

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)

Gate–Source

(VDS = 15 Vdc, ID = 200 µAdc)

Gate–Source Cutoff Voltage

(VDS = 15 Vdc, ID = 10 nAdc)

Gate Reverse Current

(VGS = 15 Vdc, VDS = 0)

ON CHARACTERISTICS

V(BR)GSS

25

VGS

0.5

VGS(off)

–

IGSS

–

–

–

Vdc

–

7.5

Vdc

–

–ā8.0

Vdc

–

210 nAdc

Zero–Gate–Voltage Drain Current

(VDS = 15 Vdc, VGS = 0)

SMALL–SIGNAL CHARACTERISTICS

Forward Transfer Admittance

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

Output Admittance

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

Forward Transfer Admittance

(VDS = 15 Vdc, VGS = 0, f = 200 MHz)

Reverse Transfer Admittance

(VDS = 15 Vdc, VGS = 0, f = 200 MHz)

Input Capacitance

(VDS = 20 Vdc, –VGS = 1.0 Vdc)

Reverse Transfer Capacitance

(VDS = 20 Vdc, –VGS = 1.0 Vdc, f = 1.0 MHz)

Output Capacitance

(VDS = 20 Vdc, –VGS = 1.0 Vdc, f = 1.0 MHz)

Cut–off Frequency (Note 1)

(VDS = 15 Vdc, VGS = 0)

1. The frequency at which gfs is 0.7 of its value at 1 kHz.

IDSS

Yfs

Yos

Yfs

Yrs

Ciss

Crss

Coss

F(Yfs)

2.0

–

20

mAdc

3.0

–

6.5 mmhos

–

40

–

mmhos

–

5.6

–

mmhos

–

1.0

–

mmhos

–

3.0

–

pF

–

0.7

–

pF

–

0.9

–

pF

–

700

–

MHz

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