2N4856
2N4856A
N-CHANNEL
SILICON JFET
DESCRIPTION:
The CENTRAL SEMICONDUCTOR 2N4856 and
2N4856A 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 50 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 4.0 10 V
VDS(ON) I
D=20mA, VGS=0 0.75 V
rDS(ON) V
GS=0, ID=0, f=1.0kHz 25 Ω
Crss V
GS=10V, VDS=0, f=1.0MHz (2N4856) 8.0 pF
Crss V
GS=10V, VDS=0, f=1.0MHz (2N4856A) 4.0 pF
Ciss V
GS=10V, VDS=0, f=1.0MHz (2N4856) 18 pF
Ciss V
GS=10V, VDS=0, f=1.0MHz (2N4856A) 10 pF
td V
DD=10V, VGS(OFF)=10V, ID=20mA (2N4856) 6.0 ns
td V
DD=10V, VGS(OFF)=10V, ID=20mA (2N4856A) 5.0 ns
tr V
DD=10V, VGS(OFF)=10V, ID=20mA 3.0 ns
toff V
DD=10V, VGS(OFF)=10V, ID=20mA (2N4856) 25 ns
toff V
DD=10V, VGS(OFF)=10V, ID=20mA (2N4856A) 20 ns
TO-18 CASE
R0 (11-June 2012)
www.centralsemi.com
2N4856
2N4856A
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 (11-June 2012)
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
OUTSTANDING SUPPORT AND SUPERIOR SERVICES
PRODUCT SUPPORT
Central’s operations team provides the highest level of support to insure product is delivered on-time.
• Supply management (Customer portals) • Custom bar coding for shipments
• Inventory bonding • Custom product packing
• Consolidated shipping options
CONTACT US
Corporate Headquarters & Customer Support Team
Central Semiconductor Corp.
145 Adams Avenue
Hauppauge, NY 11788 USA
Main Tel: (631) 435-1110
Main Fax: (631) 435-1824
Support Team Fax: (631) 435-3388
www.centralsemi.com
Worldwide Field Representatives:
www.centralsemi.com/wwreps
Worldwide Distributors:
www.centralsemi.com/wwdistributors
DESIGNER SUPPORT/SERVICES
Central’s applications engineering team is ready to discuss your design challenges. Just ask.
• Free quick ship samples (2nd day air) • Special wafer diffusions
• Online technical data and parametric search • PbSn plating options
• SPICE models • Package details
• Custom electrical curves • Application notes
• Environmental regulation compliance • Application and design sample kits
• Customer specific screening • Custom product and package development
• Up-screening capabilities
(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).
www.centralsemi.com