Semelab plc.
Telephone (01455) 556565. Telex: 341927. Fax (01455) 552612.
Prelim. 7/94
2N4392CSM
LAB
SEME
SMALL SIGNAL
NCHANNEL JFET IN A
HERMETICALLY SEALED
CERAMIC SURFACE MOUNT PACKAGE
FOR HIGH RELIABILITY APPLICATIONS
FEATURES
HERMETIC CERAMIC SURFACE MOUNT
PACKAGE (SOT23 COMPATIBLE)
CECC SCREENING OPTIONS
SPACE QUALITY LEVELS OPTIONS
APPLICATIONS:
Hermetically sealed surface mount version
of the popular 2N4392 for high reliability /
space applications requiring small size
and low weight devices.
V
DS
Drain Source Voltage
V
DG
Drain Gate Voltage
V
GS
Gate Source Voltage
I
G
Forward Gate Current
P
D
Power Dissipation @ T
A
= 25C
Derate above 25C
T
J
, T
STG
Operating Junction and Storage Temperature Range
40V
40V
40V
50mA
500mW
2.85mW / C
65 to +175C
MECHANICAL DATA
Dimensions in mm (inches)
SOT23 CERAMIC
(LCC1 PACKAGE)
ABSOLUTE MAXIMUM RATINGS
(T
amb
= 25C unless otherwise stated)
PAD 1 Source
Underside View
PAD 2 Drain
PAD 3 Gate
2
1
0.51 0.10
(0.02 0.004)
0.31
(0.012)
1.91 0.10
(0.075 0.004)
3.05 0.13
(0.12 0.005)
2.
54
0.
13
(
0
.
10
0.
005)
0.
76
0.
1
5
(
0
.
03
0.
00
6)
1.02 0.10
(0.04 0.004)
1.40
(0.055)
max.
A
0.31
(0.012)
rad.
rad.
A =
3
V
nA
mA
V
pF
ns
40
2
5
1
0.1
0.1
25
75
0.4
60
14
3.5
60
5
20
15
35
Semelab plc.
Telephone (01455) 556565. Telex: 341927. Fax (01455) 552612.
Prelim. 7/94
2N4392CSM
LAB
SEME
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
ELECTRICAL CHARACTERISTICS
(Tamb = 25C unless otherwise stated)
V
DS
= 0
I
G
= 1
A
V
DS
= 20V
I
D
= 1nA
V
DS
= 0
I
G
= 1mA
V
DS
= 0
V
GS
= 20V
V
DS
= 20V
V
GS
= 7V
V
DS
= 20V
V
GS
= 0
V
GS
= 0
I
D
= 6mA
V
GS
= 0
I
D
= 1mA
V
DS
= 20V
V
GS
= 0
f = 1MHz
V
DS
= 0
V
GS
= 7V
f = 1MHz
V
GS
= 0
I
D
= 1mA
I
D(on)
= 6mA
V
GS(off)
= 7V
I
D(on)
= 6mA
V
GS(off)
= 7V
V
(BR)GSS
Gate Source Breakdown Voltage
V
GS
Gate Source Voltage
V
GS(f)
Gate Source Forward Voltage
I
GSS
Gate Reverse Current
I
D(off)
Drain Cutoff Current
I
DSS*
Zero Gate Voltage Drain Current
V
DS(on)
Drain Source On Voltage
R
DS(on)
Drain Source On Resistance
C
ISS
Input Capacitance
C
RSS
Reverse Transfer Capacitance#
R
DS(on)
Static Drain Source On Resistance
t
r
Rise Time
t
f
Fall Time
t
on
Turn-On Time
t
off
Turn-Off Time
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