BY254

DC COMPONENTS CO., LTD. R BY251 THRU BY255 RECTIFIER SPECIALISTS 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 DO-27 MECHANICAL DATA * * * * * * Case: Molded plastic Epoxy: UL 94V-0 rate flame retardant Lead: MIL-STD-202E, Method 208 guaranteed Polarity: Color band denotes cathode end Mounting position: Any Weight: 1.18 grams MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25 o C ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or inductive load. For capacitive load, derate current by 20%. Dimensions in inches and (millimeters) SYMBOL 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 = 1 05oC Peak Forward Surge Current 8.3 ms single half sine-wave superimposed on rated load (JEDEC Method) Maximum Instantaneous Forward Voltage at 3.0A DC Maximum DC Reverse Current @T A = 25 oC at Rated DC Blocking Voltage @T A = 100 o C Maximum Full Load Reverse Current Average, Full Cycle .375*(9.5mm) lead length at T L = 7 5oC Typical Junction Capacitance (Note) Typical Thermal Resistance Operating and Storage Temperature Range NOTES : Measured at 1 MHZ and applied reverse voltage of 4.0 volts VRRM VRMS VDC IO I FSM VF BY251 200 140 200 BY252 400 280 400 BY253 600 420 600 3.0 200 1.1 5.0 500 30 BY254 800 560 800 BY255 1300 910 1300 UNITS Volts Volts Volts Amps Amps Volts uAmps uAmps pF 0 IR CJ R qJA T J , T STG 40 30 -65 to + 175 C/ W 0 C 114 NEXT EXIT BACK NEXT EXI BACK EXIT NEXT BACK RATING AND CHARACTERISTIC CURVES (BY251 THRU BY255) DC COMPONENTS CO., LTD. R 115 NEXT EXIT BACK NEXT EXI BACK EXIT NEXT BACK