2N4856JAN View Datasheet(PDF) - Unspecified

Part Name

Description

Manufacturer

2N4856JAN

N-Channel JFETs

Unspecified 

2N4856JAN/JANTX/JANTXV Series

Specificationsa for 2N4859, 2N4860 and 2N4861

Parameter

Symbol

Test Conditions

Limits

2N4859

2N4860

2N4861

Typb Min Max Min Max Min Max Unit

Static

Gate-Source

Breakdown Voltage

Gate-Source Cutoff Voltage

Saturation Drain Currentc

Gate Reverse Current

Gate Operating Currentd

Drain Cutoff Current

Drain-Source On-Voltage

Drain-Source On-Resistance

Gate-Source Forward Voltage

Dynamic

V(BR)GSS

VGS(off)

IDSS

IGSS

IG

ID(off)

VDS(on)

rDS(on)

VGS(F)

IG = –1 mA , VDS = 0 V

VDS = 15 V, ID = 0.5 nA

VDS = 15 V, VGS = 0 V

VGS = –15 V, VDS = 0 V

TA = 150_C

VDG = 15 V, ID = 10 mA

VDS = 15 V, VGS = –10 V

TA = 150_C

ID = 5 mA

VGS = 0 V

ID = 10 mA

ID = 20 mA

VGS = 0 V, ID = 1 mA

IG = 1 mA , VDS = 0 V

–55 –30

–30

–30

V

–4 –10 –2 –6 –0.8 –4

50 175 20 100 8

80 mA

–5

–250

–250

–250 pA

–13

–500

–500

–500 nA

–5

pA

5

250

250

250

13

500

500

500 nA

0.25

0.5

0.35

0.5

V

0.5

0.75

25

40

60 W

0.7

V

Common-Source

Forward Transconductanced

gfs

Common-Source

Output Conductanced

gos

6

VDG = 20 V, ID = 1 mA

f = 1 kHz

25

Common-Source

Input Capacitance

Ciss

7

18

18

VDS = 0 V, VGS = –10 V

Common-Source

Reverse Transfer Capacitance

Crss

f = 1 MHz

3

8

8

Equivalent Input

Noise Voltaged

en

VDG = 10 V, ID = 10 mA

f = 1 kHz

3

mS

mS

18

pF

8

nV⁄

√Hz

Switching

Turn-On Time

Turn-Off Time

td(on)

2

6

6

10

tr

VDD = 10 V, VGS(H) = 0 V

See Switching Circuit

2

3

4

10 ns

tOFF

19

25

50

100

Notes

a. TA = 25_C unless otherwise noted.

b. Typical values are for DESIGN AID ONLY, not guaranteed nor subject to production testing.

c. Pulse test: PW v100 ms duty cycle v10%.

d. This parameter not registered with JEDEC.

NCB

Siliconix

3

P-37515—Rev. B, 04-Jul-94

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