MICROSEMI JAN2N4857

TECHNICAL DATA
N-CHANNEL J-FET
Qualified per MIL-PRF-19500/385
Devices
2N4856
Qualified Level
2N4857
2N4858
2N4859
2N4860
JAN
JANTX
JANTXV
2N4861
ABSOLUTE MAXIMUM RATINGS (TC = +250C unless otherwise noted)
2N4856 2N4859
Parameters / Test Conditions
Symbol 2N4857 2N4860
2N4858 2N4861
Gate-Source Voltage
VGS
-40
-30
Drain-Source Voltage
VDS
40
30
Drain-Gate Voltage
VDG
40
30
Gate Current
IG
50
Power Dissipation
TA = +250C (1)
PT
0.36
TC = +250C (2)
1.8
Operating Junction & Storage Temperature Range
Tj, Tstg
-65 to +200
(1) Derate linearly 2.06 mW/0C for TA > 250C.
(2) Derate linearly 10.3 mW/0C for TC > 250C.
Unit
V
V
V
mA
TO-18*
(TO-206AA)
W
W
0
C
*See appendix A for
package outline
ELECTRICAL CHARACTERISTICS (TC = 250C unless otherwise noted)
Parameters / Test Conditions
Symbol
Gate-Source Breakdown Voltage
V(BR)GSS
VDS = 0, IG = 1.0 µAdc
2N4856, 2N4857, 2N4858
2N4859, 2N4860, 2N4861
Gate-Source “Off” State Voltage
VDS = 15 Vdc, ID = 0.5 ηAdc
Gate Reverse Current
VDS = 0, VGS = -20 Vdc
VDS = 0, VGS = -15 Vdc
2N4856, 2N4859
2N4857, 2N4860
2N4858, 2N4861
2N4856, 2N4857, 2N4858
2N4859, 2N4860, 2N4861
Drain Current
VGS = -10 Vds, VDS = 15 Vdc
6 Lake Street, Lawrence, MA 01841
1-800-446-1158 / (978) 794-1666 / Fax: (978) 689-0803
VGS(on)
Min.
Max.
-40
-30
-4.0
-2.0
-0.8
Units
Vdc
-10
-6.0
-4.0
Vdc
IGSS
-0.25
-0.25
ηA
ID(off)
0.25
ηA
120101
Page 1 of 2
2N4856, 2N4857, 2N4858, 2N4859, 2N4860, 2N24861 JAN SERIES
ELECTRICAL CHARACTERISTICS (TC = 250C unless otherwise noted) (con’t)
Parameters / Test Conditions
Symbol
Min.
Drain Current
VGS = 0, VDS = 15 Vdc
2N4856, 2N4859
2N4857, 2N4860
2N4858, 2N4861
Max.
Units
175
100
80
mA
rds(on)
25
40
60
Ω
VDS(on)
0.75
0.50
0.50
Vdc
Crss
8.0
pF
Ciss
18
pF
IDSS
Static Drain - Source “On” State Resistance
VGS = 0, ID = 1.0 mAdc
2N4856, 2N4859
2N4857, 2N4860
2N4858, 2N4861
Drain-Source “On” State Voltage
VGS = 0, ID = 20 mAdc
2N4856, 2N4859
VGS = 0, ID = 10 mAdc
2N4857, 2N4860
VGS = 0, ID = 5.0 mAdc
2N4858, 2N4861
Small-Signal, Common-Source Reverse Transfer Capacitance
VGS = -10 Vdc, VDS = 0, f = 1.0 MHz
C1 = 0.1µF, L1 = L2 ≥ 500 µH
50
20
8.0
Small-Signal, Common-Source Short-Circuit Input Capacitance
VGS = -10 Vdc, VDS = 0, f = 1.0 MHz
C1 = 0.1µF, C2 = 20.1 m
FL1 = L2 ≥ 500 µH
Turn-On Delay Time
2N4856, 2N4859
2N4857, 2N4860
2N4858, 2N4861
Rise Time
2N4856, 2N4859
2N4857, 2N4860
2N4858, 2N4861
Turn-Off Delay Time
2N4856, 2N4859
2N4857, 2N4860
2N4858, 2N4861
t
don
See Figure 3
of MIL-PRF-
t
r
19500/385
6 Lake Street, Lawrence, MA 01841
1-800-446-1158 / (978) 794-1666 / Fax: (978) 689-0803
t
doff
6
6
10
3
4
10
25
50
100
ηs
ηs
ηs
120101
Page 2 of 2
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