1N4942 thru 1N4948
Revers Voltage 200 to 1000 Volts
Fast Recovery Rectifiers
Forward Current 1.0 Ampere
Features
High switching capability
Low leakage
Low forward voltage drop
High current capability
High surge current capability
T
J
is 150
o
C (Max.) and T
STG
is 175
o
C (Max.) with PI glue
Mechanical Data
Case: Molded plastic
Epoxy: UL 94V-O rate flame retardant
Lead: MIL-STD-202E method 208C guaranteed
Mounting position: Any
Weight: 0.012 ounce, 0.33 gram
Maximum Ratings and Electrical Characteristics
Ratings at 25
o
C ambient temperature unless otherwise specified.
Single phase, half wave, 60Hz, resistive or inductive load.
For capacitive load, derate current by 20%
Parameter
Maximum repetitive peak reverse voltage
Maximum RMS voltage
Maximum DC blocking voltage
Maximum average forward rectified current at T
A
=75
o
C
Peak forward surge current 8.3 ms single half sine-wave
superimposed on rated load (JEDEC Method)
Maximum instantaneous forward voltage at 1.0A DC
Maximum DC reverse current
at rated DC blocking voltage T
A
=25
o
C
Maximum full load reverse current full cycle
average, .375" (9.5mm) lead length at T
L
=55
o
C
Maximum reverse recovery time (Note 1)
Typical junction capacitance (Note 2)
Operating junction temperature range
Storage temperature range
Notes:
Symbols
V
RRM
V
RMS
V
DC
I
F(AV)
I
FSM
V
F
1N 4942
200
140
200
1N 4944
400
280
400
1N 4946
600
420
600
1.0
30.0
1.3
5.0
1N 4947
800
560
800
1N 4948
1000
700
1000
Units
Volts
Volts
Volts
Amp
Amps
Volts
uA
uA
I
R
100
t
rr
C
J
T
J
T
STG
150
15
-55 to +125
-55 to +150
250
500
nS
pF
o
C
C
o
1. Test Conditions: I
F
= 1.5A, I
R
= 1.0A, I
RR
= 0.25A
2. Measured at 1 MHz and applied reverse voltage of 4.0 volts
125