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2N4856JAN Datasheet, PDF (3/4 Pages) Vishay Siliconix – N-Channel JFETs
2N4856JAN/JANTX/JANTXV Series
Vishay Siliconix
SPECIFICATIONS FOR 2N4859, 2N4860 AND 2N4861 (TA = 25_C UNLESS NOTED)
Limits
2N4859
2N4860
2N4861
Parameter
Symbol
Test Conditions
Typa Min Max Min Max Min Max Unit
Static
Gate-Source
Breakdown Voltage
Gate-Source Cutoff Voltage
Saturation Drain Currentb
Gate Reverse Current
Gate Operating Currentc
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 Transconductancec
gfs
6
VDG = 20 V, ID = 1 mA
Common-Source
Output Conductancec
gos
f = 1 kHz
25
Common-Source
Input Capacitance
Ciss
Common-Source
Reverse Transfer Capacitance
Crss
7
VDS = 0 V, VGS = –10 V
f = 1 MHz
3
18
18
8
8
Equivalent Input
Noise Voltagec
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. Typical values are for DESIGN AID ONLY, not guaranteed nor subject to production testing.
b. Pulse test: PW v100 ms duty cycle v10%.
c. This parameter not registered with JEDEC.
NCB
Document Number: 70244
S-04028—Rev. C, 04-Jun-01
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