1N4942G THRU 1N4948G
GLASS PASSIVATED JUNCTION FAST SWITCHING RECTIFIER
Reverse Voltage -
200 to 1000 Volts
Forward Current -
1.0 Ampere
Features
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
Mechanical Data
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
DIM
A
B
C
D
inches
Min.
0.165
0.079
0.028
1.000
DIMENSIONS
mm
Max.
0.205
0.106
0.034
-
Min.
4.2
2.0
0.71
25.40
Max.
5.2
2.7
0.86
-
Note
Maximum Ratings and Electrical Characteristics
Ratings at 25
ambient temperature unless otherwise specified.
Symbols
1N
4942G
1N
4944G
1N
4946G
1N
4947G
1N
4948G
Units
Maximum repetitive peak reverse voltage
Maximum RMS voltage
Maximum DC blocking voltage
Maximum average forward rectified current
0.375" (9.5mm) lead length at T
A
=55
Peak forward surge current
8.3mS single half sine-wave superimposed
on rated load (MIL-STD-750D 4066 method)
Maximum instantaneous forward voltage at 1.0A
Maximum DC reverse current
at rated DC blocking voltage
T
A
=25
T
A
=150
V
RRM
V
RMS
V
DC
I
(AV)
I
FSM
V
F
I
R
T
rr
C
J
R
JA
200
140
200
400
280
400
600
420
600
1.0
25.0
1.30
1.0
200.0
800
560
800
1000
700
1000
Volts
Volts
Volts
Amp
Amps
Volts
A
Maximum reverse recovery time (Note 1)
Typical junction capacitance (Note 2)
Typical thermal resistance (Note 3)
Operating junction and storage temperature range
150
15.0
55.0
250
500
nS
F
/W
T
J
, T
STG
-65 to +175
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
1
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