1N4942 - 1N4948
FAST RECOVERY RECTIFIER DIODES
VOLTAGE RANGE: 200- 1000V
CURRENT: 1.0 A
Features
!
!
!
Low leakage
A
B
A
Low forward voltage drop
High current capability
!
Easilycleaned with Freon,Alcohol,Isopropanol
and similar solvents
C
D
Mechanical Data
!
!
Case: D O - 4 1 Molded Plastic
DO-41
Min
Terminals: Plated Leads Solderable per
MIL-STD-202, Method 208
Polarity: Cathode Band
Weight: 0.34 grams (approx.)
Mounting Position: Any
Dim
A
Max
25.40
4.06
¾
!
!
!
!
B
5.21
0.864
2.72
C
0.71
Marking: Type Number
D
2.00
All Dimensions in mm
Maximum Ratings and Electrical Characteristics TA = 25ꢀC unless otherwise specified
For capacitive load, derate current by 20%.
Single phase, half wave, 60Hz, resistive or inductive load.
Symbol
Characteristic
Unit
1N4942
1N4944
1N4946
1N4947
1N4948
Maximum recurrent peak reverse voltage
Maximum RMS voltage
200
140
200
400
280
400
600
420
600
800
560
800
1000
700
V
V
V
VRRM
VRMS
VDC
Maximum DC blocking voltage
1000
Maximum average forw ard rectified current
1.0
A
IF(AV)
9.5mm lead length,
@TA=75
Peak forw ard surge current
8.3ms single half-sine-w ave
IFSM
30.0
1.3
A
superimposed on rated load @TJ=125
Maximum instantaneous forw ard voltage
@ 1.0 A
V
A
VF
IR
Maximum reverse current
@TA=25
5.0
100
at rated DC blocking voltage @TA=100
Maximum reverse recovery time (Note1)
150
250
500
ns
trr
Typical junction capacitance
Typical thermal resistance
(Note2)
(Note3)
12
pF
CJ
55
Rθ
/W
JA
Operating junction temperature range
Storage temperature range
- 55---- +150
- 55---- + 150
TJ
TSTG
NOTE:1. Measured with IF=0.5A, IR=1A, Irr=0.25A.
2. Measured at 1.0MHz and applied reverse voltage of 4.0V DC.
3. Thermal resistance f rom junction to ambient.
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