N-Channel JFET
2N4856 — 2N4861 Series
N Channel JFET
Features
• Available in JAN, JANTX, JANTXV and JANS per MIL-PRF-19500/385 • Applic...
Description
2N4856 — 2N4861 Series
N Channel JFET
Features
Available in JAN, JANTX, JANTXV and JANS per MIL-PRF-19500/385 Applications include Choppers, Commutators, Analog Switches and Current
Limiters
Low error voltage High Radiation Tolerance High Speed Analog Circuit Performance TO-18 and UB packages
Electrical Characteristics (TA = 25oC unless otherwise specified)
Rev. V1
Parameter Gate - Source Breakdown Voltage
Gate Reverse Current Drain Current Cutoff
Test Conditions
IG = -1.0 µA dc; VDS = 0 2N4856, 2N4857, 2N4858 2N4859, 2N4860, 2N4861
Symbol Units Min. Max.
V(BR)GSS
V dc
—
-40 -30
VDS = 0; 2N4856, 2N4857, 2N4858 VGS = -20 V dc 2N4859, 2N4860, 2N4861 VGS = -15 V dc
VDS = 15 V dc; VGS = -10 V dc
IGSS1
nA dc —
-0.25 -0.25
ID(off)1
nA dc
0.25
Drain Current Zero-Gate Voltage Drain - Source On-State Voltage Gate - Source Off-State Voltage Static Drain To Source On-State Resistance
VDS = 15 V dc; VGS = 0 2N4856, 2N4859 2N4857, 2N4860 2N4858, 2N4861
VGS = 0 2N4856, 2N4859 ID = 20 mA dc 2N4857, 2N4860 ID = 10 mA dc 2N4858, 2N4861 ID = 5 mA dc
VDS = 15 V dc; ID = 0.5 nA dc 2N4856, 2N4859 2N4857, 2N4860 2N4858, 2N4861
VGS = 0; ID = 1.0 mA dc; 2N4856, 2N4859 2N4857, 2N4860 2N4858, 2N4861
IDSS
mA dc
50 20
175 100
8 80
VDS(on)
V dc
0.75 0.50 0.50
VGS(off)
V dc
-4 -2 -0.8
-10 -6 -4
rds(on)
25
Ω
—
40 60
1
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