Notes:
(1) Reverse recovery test conditions: I
F
=0.5A, I
R
=1.0A, I
rr
=0.25A
(2) Measured at 1.0MHz and applied reverse voltage of 4.0 volts
(3) Thermal resistance from junction to ambient at 0.375 (9.5mm) lead length, P.C.B. mounted
Symbols
1N
4942G
1N
4944G
1N
4946G
1N
4947G
1N
4948G
Units
Maximum repetitive peak reverse voltage
V
RRM
200
400
600
800
1000
Volts
Maximum RMS voltage
V
RMS
140
280
420
560
700
Volts
Maximum DC blocking voltage
V
DC
200
400
600
800
1000
Volts
Maximum average forward rectified current
0.375" (9.5mm) lead length at T
A
=55
I
(AV)
1.0
Amp
Peak forward surge current
8.3mS single half sine-wave superimposed
on rated load (MIL-STD-750D 4066 method)
I
FSM
25.0
Amps
Maximum instantaneous forward voltage at 1.0A
V
F
1.30
Volts
Maximum DC reverse current T
A
=25
at rated DC blocking voltage T
A
=150
I
R
1.0
200.0
A
Maximum reverse recovery time (Note 1)
T
rr
150
250
500
nS
Typical junction capacitance (Note 2)
C
J
15.0
F
Typical thermal resistance (Note 3)
R
JA
55.0
/W
Operating junction and storage temperature range
T
J
, T
STG
-65 to +175
Features
Mechanical Data
1N4942G THRU 1N4948G
GLASS PASSIVATED JUNCTION FAST SWITCHING RECTIFIER
Reverse Voltage -
200 to 1000 Volts
Forward Current -
1.0 Ampere
Plastic package has Underwriters Laboratory
Flammability Classification 94V-0
High temperature metallurgically bonded construction
For use in high frequency rectifier circuits
Fast switching for high efficiency
Glass passivated cavity-free junction
Capable of meeting environmental standards of
MIL-S-19500
1.0 ampere operation at T
A
=55 with no thermal runaway
High temperature soldering guaranteed:
350 /10 seconds, 0.375 (9.5mm) lead length,
5 lbs. (2.3Kg) tension
Case: DO-41 molded plastic over glass body
Terminals: Plated axial leads, solderable per
MIL-STD-750, method 2026
Polarity: Color band denotes cathode end
Mounting Position: Any
Weight: 0.012 ounce, 0.335 gram
Maximum Ratings and Electrical Characteristics
1
Ratings at 25 ambient temperature unless otherwise specified.
DIMENSIONS
DIM
inches
mm
Note
Min.
Max.
Min.
Max.
A
0.165
0.205
4.2
5.2
B
0.079
0.106
2.0
2.7
C
0.028
0.034
0.71
0.86
D
1.000
-
25.40
-
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