1N4942 THRU 1N4948
FAST RECOVERY RECTIFIERS
Reverse Voltage - 200 to 1000 Volts Forward Current -
1.0 Ampere
FEATURES
DO-41
The plastic package carries Underwriters Laboratory
Flammability Classification 94V-0
Fast switching for high efficiency
1.0 (25.4)
MIN.
Low reverse leakage
High forward surge current capability
High temperature soldering guaranteed:
0.107(2.7)
0.080(2.0)
DIA.
250 C/10 seconds,0.375”(9.5mm) lead length,
5 lbs. (2.3kg) tension
0.205(5.2)
0.166(4.2)
MECHANICAL DATA
Case: JEDEC DO-41 molded plastic body
Terminals: Plated axial leads, solderable per MIL-STD-750,
Method 2026
1.0 (25.4)
MIN.
0.034(0.86)
0.028(0.70)
DIA.
Polarity: Color band denotes cathode end
Mounting Position: Any
Weight:0.012 ounce, 0.33 grams
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25 C ambient temperature unless otherwise specified.
Single phase half-wave 60Hz,resistive or inductive load,for capacitive load current derate by 20%.
1N
4942
1N
4944
1N
4946
1N
4947
1N
4948
SYMBOLS
UNITS
MDD Catalog
Number
Maximum repetitive peak reverse voltage
Maximum RMS voltage
200
140
200
400
280
400
600
420
600
800
560
800
1000
700
VOLTS
VOLTS
VOLTS
VRRM
VRMS
VDC
1000
Maximum DC blocking voltage
Maximum average forward rectified current
0.375”(9.5mm) lead length at TA=75 C
Peak forward surge current
I(AV)
1.0
Amp
IFSM
VF
30.0
1.3
8.3ms single half sine-wave superimposed on
rated load (JEDEC Method)
Amps
Volts
Maximum instantaneous forward voltage at 1.0A
Maximum DC reverse current
at rated DC blocking voltage
Maximum reverse recovery time
TA=25 C
TA=100 C
(NOTE 1)
5.0
50.0
µ
A
IR
trr
ns
150
250
500
Typical junction capacitance (NOTE 2)
CJ
RθJA
pF
C/W
C
15.0
50.0
Typical thermal resistance (NOTE 3)
Operating junction and storage temperature range
TJ,TSTG
-65 to +150
Note:1.Reverse recovery condition IF=0.5A,IR=1.0A,Irr=0.25A
2.Measured at 1MHz and applied reverse voltage of 4.0V D.C.
3.Thermal resistance from junction to ambient at 0.375”(9.5mm)lead length,P.C.B. mounted
MDD ELECTRONIC