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1N4944 Datasheet(Hoja de datos) 1 Page - Rectron Semiconductor

No. de Pieza. 1N4944
Descripción  FAST RECOVERY RECTIFIER
Descarga  2 Pages
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Fabricante  RECTRON [Rectron Semiconductor]
Página de inicio  http://www.rectron.com
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FAST RECOVERY RECTIFIER
VOLTAGE RANGE 200 to 1000 Volts CURRENT 1.0 Ampere
RECTRON
SEMICONDUCTOR
TECHNICAL SPECIFICATION
FEATURES
* High switching capability
* Low leakage
* Low forward voltage drop
* High current capability
* High surge current capability
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%.
ELECTRICAL CHARACTERISTICS (At TA = 25
oC unless otherwise noted)
1N4942
THRU
1N4948
DO-41
MAXIMUM RATINGS (At TA = 25
oC unless otherwise noted)
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
Dimensions in inches and (millimeters)
2002-11
RATINGS
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current
at TA = 75
oC
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
VDC
IO
IFSM
CJ
TJ, TSTG
VRMS
Volts
Volts
Volts
Amps
1.0
30
15
-55 to + 150
Amps
pF
0 C
UNITS
200
600
800
1000
400
140
420
560
700
280
200
600
800
1000
400
1N4942
1N4946
1N4947
1N4948
1N4944
at Rated DC Blocking Voltage TA = 25
oC
CHARACTERISTICS
Maximum Full Load Reverse Current Full Cycle
Average, .375” (9.5mm) lead length at TL = 55
oC
Maximum Reverse Recovery Time (Note 1)
VF
SYMBOL
IR
trr
1.3
5.0
100
250
uAmps
uAmps
nSec
Maximum DC Reverse Current
Maximum Instantaneous Forward Voltage at 1.0A DC
Volts
150
500
UNITS
1N4942
1N4946
1N4947
1N4948
1N4944
1.0 (25.4)
MIN.
.166 (4.2)
.205 (5.2)
1.0 (25.4)
MIN.
.107 (2.7)
.080 (2.0)
DIA.
.034 (0.9)
.028 (0.7)
DIA.




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