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1N4944 PDF Datasheet ( 特性, スペック, ピン接続図 )

部品番号 1N4944
部品説明 FAST RECOVERY RECTIFIER
メーカ Rectron Semiconductor
ロゴ Rectron Semiconductor ロゴ 



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1N4944 Datasheet, 1N4944 PDF,ピン配置, 機能
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

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