2N4856JAN/JANTX/JANTXV Series
Vishay Siliconix
ABSOLUTE MAXIMUM RATINGS
Gate-Drain, Gate-Source Voltage :
Operating Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . –65 to 200_C
a
(2N4856-58) . . . . . . . . . . . . . . . . . . . . . . . –40 V
(2N4859-61) . . . . . . . . . . . . . . . . . . . . . . . –30 V
Gate Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 mA
Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1800 mW
Notes
1
a. Derate 10.3 mW/_C to T > 25_C
Lead Temperature ( / ” from case for 10 seconds) . . . . . . . . . . . . . . 300 _C
C
16
Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –65 to 200_C
SPECIFICATIONS FOR 2N4856, 2N4857 AND 2N4858 (T = 25_C UNLESS NOTED)
A
Limits
2N4856
2N4857
2N4858
Parameter
Symbol
Test Conditions
Typa Min Max Min Max Min Max Unit
Static
Gate-Source
Breakdown Voltage
V
I
G
= –1 mA , V = 0 V
–55
–40
–40
–40
(BR)GSS
DS
V
Gate-Source Cutoff Voltage
V
V
= 15 V, I = 0.5 nA
–4
–10
175
–2
–6
–0.8
–4
80
GS(off)
DS
D
b
Saturation Drain Current
I
V
= 15 V, V = 0 V
50
20
100
8
mA
pA
nA
DSS
DS
GS
GS
V
= –20 V, V = 0 V
–5
–13
–5
–250
–500
–250
–500
–250
–500
DS
Gate Reverse Current
I
GSS
T
A
= 150_C
c
Gate Operating Current
I
G
V
= 15 V, I = 10 mA
DG D
pA
nA
V
= 15 V, V = –10 V
5
250
500
250
500
250
500
0.5
DS
GS
Drain Cutoff Current
I
D(off)
T
A
= 150_C
13
I
= 5 mA
= 10 mA
= 20 mA
0.25
0.35
0.5
D
I
I
0.5
40
Drain-Source On-Voltage
V
V
= 0 V
V
D
D
DS(on)
GS
0.75
25
c
Drain-Source On-Resistance
r
V
= 0 V, I = 1 mA
60
W
DS(on)
GS
D
Gate-Source
Forward Voltage
V
I
G
= 1 mA , V = 0 V
0.7
V
GS(F)
DS
c
Dynamic
Common-Source
Forward Transconductance
g
6
25
7
mS
fs
c
V
= 20 V, I = 1 mA
D
f = 1 kHz
DG
Common-Source
Output Conductance
g
mS
os
iss
rss
c
Common-Source
Input Capacitance
C
18
8
18
8
18
8
V
= 0 V, V = –10 V
DS
DG
GS
pF
f = 1 MHz
Common-Source
Reverse Transfer Capacitance
C
3
Equivalent Input
V
= 10 V, I = 10 mA
D
f = 1 kHz
nV⁄
√Hz
e
3
n
c
Noise Voltage
Switching
t
2
2
6
3
6
4
10
10
d(on)
Turn-On Time
Turn-Off Time
V
= 10 V, V
See Switching Circuit
= 0 V
DD
GS(H)
t
r
ns
t
13
25
50
100
OFF
Document Number: 70244
S-04028—Rev. C, 04-Jun-01
www.vishay.com
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