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Rectron Semiconductor
Rectron Semiconductor

1N4942 Datasheet Preview

1N4942 Datasheet

FAST RECOVERY RECTIFIER

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1N4942 pdf
RECTRON
SEMICONDUCTOR
TECHNICAL SPECIFICATION
FAST RECOVERY RECTIFIER
VOLTAGE RANGE 200 to 1000 Volts CURRENT 1.0 Ampere
1N4942
THRU
1N4948
FEATURES
* High switching capability
* Low leakage
* Low forward voltage drop
* High current capability
* High surge current capability
DO-41
MECHANICAL DATA
* Case: Molded plastic
* Epoxy: Device has UL flammability classification 94V-O
* Lead: MIL-STD-202E method 208C guaranteed
* Mounting position: Any
* Weight: 0.33 gram
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25 oC ambient temperature unless otherwise specified.
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
1.0 (25.4)
MIN.
.034 (0.9) DIA.
.028 (0.7)
.205 (5.2)
.166 (4.2)
1.0 (25.4)
MIN.
.107 (2.7)
DIA.
.080 (2.0)
Dimensions in inches and (millimeters)
MAXIMUM RATINGS (At TA = 25oC unless otherwise noted)
RATINGS
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current
at TA = 75oC
Peak Forward Surge Current 8.3 ms single half sine-wave
superimposed on rated load (JEDEC method)
Typical Junction Capacitance (Note 2)
Operating and Storage Temperature Range
SYMBOL
VRRM
VRMS
VDC
IO
IFSM
CJ
TJ, TSTG
1N4942
200
140
200
1N4944
400
280
400
1N4946
600
420
600
1.0
1N4947
800
560
800
30
15
-65 to + 150
1N4948
1000
700
1000
UNITS
Volts
Volts
Volts
Amps
Amps
pF
0C
ELECTRICAL CHARACTERISTICS (At TA = 25oC unless otherwise noted)
CHARACTERISTICS
Maximum Instantaneous Forward Voltage at 1.0A DC
Maximum DC Reverse Current
at Rated DC Blocking Voltage TA = 25oC
Maximum Full Load Reverse Current Full Cycle
Average, .375” (9.5mm) lead length at TL = 55oC
Maximum Reverse Recovery Time (Note 1)
NOTES : 1. Test Conditions: IF = 0.5A, IR = -1.0A, IRR = -0.25A
2. Measured at 1 MHZ and applied reverse voltage of 4.0 volts
SYMBOL
VF
IR
trr
1N4942 1N4944
150
1N4946
1.3
5.0
1N4947
100
250
1N4948
500
UNITS
Volts
uAmps
uAmps
nSec
2001-5



Rectron Semiconductor
Rectron Semiconductor

1N4942 Datasheet Preview

1N4942 Datasheet

FAST RECOVERY RECTIFIER

No Preview Available !

1N4942 pdf
RATING AND CHARACTERISTIC CURVES ( 1N4942 THRU 1N4948 )
FIG. 1 - TYPICAL FORWARD CURRENT
DERATING CURVE
1.0
.8
.6
.4
Single Phase
Half Wave 60Hz
.2 Resistive or
Inductive Load
0
0 25 50 75 100 125 150 175
AMBIENT TEMPERATURE, ( )
FIG. 2 - MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT
50
8.3ms Single Half Sine-Wave
(JEDED Method)
40
30
20
10 1
0
0 2 4 6 8 10 20 40 60 80 100
NUMBER OF CYCLES AT 60Hz
FIG. 2 - TYPICAL INSTANTANEOUS
FORWARD CHARACTERISTICS
10
TJ = 25
1.0
Pulse Width=300uS
.1 1% Duty Cycle
.01
.4 .6 .8 1.0 1.2 1.4 1.6
INSTANTANEOUS FORWARD VOLTAGE, (V)
FIG. 4 - TYPICAL REVERSE CHARACTERISTICS
20
10
TJ = 125
1.0
TJ = 75
.1
TJ = 25
.01
0 20 40 60 80 100 120 140
PERCENT OF RATED PEAK REVERSE VOLTAGE, (%)
FIG. 3 - TYPICAL JUNCTION CAPACITANCE
200 FIG. 6 - TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY
100 TIME CHARACTERISTIC
60
40
50
NONINDUCTIVE
10
NONINDUCTIVE
+0.5A
trr
20
10
6
4
2
1
.1
TJ = 25
(+)
25 Vdc
(approx)
(-)
D.U.T
1
NON-
INDUCTIVE
(-)
PULSE
GENERATOR
(NOTE 2)
OSCILLOSCOPE
(NOTE 1)
(+)
0
-0.25A
-1.0A
.2 .4
1.0 2 4
NOTES:1 Rise Time = 7ns max. Input Impedance =
1 megohm. 22pF.
10 20 40 100
2. Rise Time = 10ns max. Source Impedance =
50 ohms.
REVERSE VOLTAGE, ( V )
1cm SET TIME BASE FOR
50/100 ns/cm
RECTRON


Part Number 1N4942
Description FAST RECOVERY RECTIFIER
Maker Rectron Semiconductor
Total Page 2 Pages
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