2N4858A - Central Semiconductor Corp

2N4858

2N4858A

N-CHANNEL

SILICON JFET

DESCRIPTION:

The CENTRAL SEMICONDUCTOR 2N4858 and

2N4858A are N-Channel silicon JFETs designed for

analog switching and chopper applications.

MARKING: FULL PART NUMBER

MAXIMUM RATINGS: (TA=25°C) SYMBOL UNITS

Drain-Source Voltage VDS 40 V

Drain-Gate Voltage VDG 40 V

Reverse Gate-Source Voltage VGSR 40 V

Forward Gate Current IGF 50 mA

Power Dissipation (TA=25°C) PD 360 mW

Operating and Storage Junction Temperature TJ, Tstg -65 to +200 °C

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

SYMBOL TEST CONDITIONS MIN MAX UNITS

IGSS V

GS=20V, VDS=0 0.25 nA

IGSS V

GS=20V, VDS=0, TA=150°C 0.5 μA

IDSS V

DS=15V, VGS=0 8.0 80 mA

ID(OFF) V

DS=15V, VGS=10V 0.25 nA

ID(OFF) V

DS=15V, VGS=10V, TA=150°C 0.5 μA

BVGSS I

G=1.0μA, VDS=0 40 V

VGS(OFF) V

DS=15V, ID=0.5nA 0.8 4.0 V

VDS(ON) I

D=5.0mA, VGS=0 0.5 V

rDS(ON) V

GS=0, ID=0, f=1.0kHz 60 Ω

Crss V

GS=10V, VDS=0, f=1.0MHz (2N4858) 8.0 pF

Crss V

GS=10V, VDS=0, f=1.0MHz (2N4858A) 3.5 pF

Ciss V

GS=10V, VDS=0, f=1.0MHz (2N4858) 18 pF

Ciss V

GS=10V, VDS=0, f=1.0MHz (2N4858A) 10 pF

td V

DD=10V, VGS(OFF)=4.0V, ID=5.0mA (2N4858) 10 ns

td V

DD=10V, VGS(OFF)=4.0V, ID=5.0mA (2N4858A) 8.0 ns

tr V

DD=10V, VGS(OFF)=4.0V, ID=5.0mA (2N4858) 10 ns

tr V

DD=10V, VGS(OFF)=4.0V, ID=5.0mA (2N4858A) 8.0 ns

toff V

DD=10V, VGS(OFF)=4.0V, ID=5.0mA (2N4858) 100 ns

toff V

DD=10V, VGS(OFF)=4.0V, ID=5.0mA (2N4858A) 80 ns

TO-18 CASE

R0 (19-August 2010)

www.centralsemi.com

2N4858

2N4858A

N-CHANNEL

SILICON JFET

TO-18 CASE - MECHANICAL OUTLINE

LEAD CODE:

1) Source

2) Drain

3) Gate

MARKING: FULL PART NUMBER

www.centralsemi.com

R0 (19-August 2010)

For the latest version of Central Semiconductor’s LIMITATIONS AND DAMAGES DISCLAIMER,

which is part of Central’s Standard Terms and Conditions of sale, visit: www.centralsemi.com/terms

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(001)

REQUESTING PRODUCT PLATING

1. If requesting Tin/Lead plated devices, add the suffix “ TIN/LEAD” to the part number when

ordering (example: 2N2222A TIN/LEAD).

2. If requesting Lead (Pb) Free plated devices, add the suffix “ PBFREE” to the part number

when ordering (example: 2N2222A PBFREE).