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BY251 Datasheet(PDF) 1 Page - Dc Components

Part # BY251
Description  TECHNICAL SPECIFICATIONS OF SILICON RECTIFIER
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Manufacturer  DCCOM [Dc Components]
Direct Link  http://www.dccomponents.com
Logo DCCOM - Dc Components

BY251 Datasheet(HTML) 1 Page - Dc Components

  BY251 Datasheet HTML 1Page - Dc Components BY251 Datasheet HTML 2Page - Dc Components  
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RECTIFIER SPECIALISTS
R
DC COMPONENTS CO., LTD.
TECHNICAL SPECIFICATIONS OF SILICON RECTIFIER
VOLTAGE RANGE - 200 to 1300 Volts CURRENT - 3.0 Amperes
FEATURES
* Low cost
* Low leakage
* Low forward voltage drop
* High current capability
MECHANICAL DATA
* Case: Molded plastic
* Epoxy: UL 94V-0 rate flame retardant
* Mounting position: Any
* Weight: 1.18 grams
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%.
BY251
THRU
BY255
DO-27
NOTES : Measured at 1 MHZ and applied reverse voltage of 4.0 volts
Dimensions in inches and (millimeters)
at Rated DC Blocking Voltage
Maximum Full Load Reverse Current Average, Full Cycle
.375*(9.5mm) lead length at T L = 75
oC
VF
IR
1.1
5.0
30
uAmps
uAmps
Maximum DC Reverse Current
Maximum Instantaneous Forward Voltage at 3.0A DC
Volts
@TA = 25
oC
@TA = 100
oC
500
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current
.375*(9.5mm) lead length at T L = 105
oC
Peak Forward Surge Current 8.3 ms single half sine-wave
superimposed on rated load (JEDEC Method)
Operating and Storage Temperature Range
SYMBOL
VRRM
VDC
IO
IFSM
TJ, TSTG
VRMS
Volts
Volts
Volts
Amps
3.0
200
-65 to + 175
Amps
0 C
UNITS
Typical Thermal Resistance
R q JA
30
0C/ W
* Lead: MIL-STD-202E, Method 208 guaranteed
* Polarity: Color band denotes cathode end
Typical Junction Capacitance (Note)
CJ
40
pF
BY251
BY252
BY253
BY254
BY255
200
400
600
800
1300
140
280
420
560
910
200
400
600
800
1300
114
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