 |
|
| If you can't view the Datasheet, Please click here to try to view without PDF Reader . |
|
|
|
| If you can't view the Datasheet, Please click here to try to view without PDF Reader . |
|
|
| Datasheet File OCR Text: |
| BY251 THRU BY255 3.0 AMPS. Silicon Rectifiers Voltage Range 200 to 1300 Volts Current 3.0Amperes Features a a a a a a a a a Low forward voltage drop High current capability High reliability High surge current capability DO-201AD Mechanical Data Cases: Molded plastic Epoxy: UL 94V-O rate flame retardant Lead: Axial leads, solderable per MILLead: STD-202, Method 208 guaranteed Polarity: Color band denotes cathode end High temperature soldering guaranteed: 250C/10 seconds/.375",(9.5mm) lead lengths at 5 lbs., (2.3kg) tension Weight: 1.2 grams a Dimensions in inches and (millimeters) Maximum Ratings and Electrical Characteristics Rating at 25C ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or inductive load. For capacitive load, derate current by 20% Type Number Maximum Recurrent Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage Maximum Average Forward Rectified Current . 375 (9.5mm) Lead Length @TA = 75C Peak Forward Surge Current, 8.3 ms Single Half Sine-wave Superimposed on Rated Load (JEDEC method ) Maximum Instantaneous Forward Voltage @ 3.0A Maximum DC Reverse Current @ TA=25C at Rated DC Blocking Voltage @ TA=100C Maximum Full Load Reverse Current, Full Cycle Average .375"(9.5mm) Lead Length @TL=75C Typical Junction Capacitance ( Note 1 ) Typical Thermal Resistance RUJA ( Note 2 ) Operating Temperature Range TJ Storage Temperature Range TSTG BY251 200 140 200 BY252 400 280 400 BY253 600 420 600 3.0 150 1.0 5.0 100 30 50 18 -65 to +150 -65 to +150 BY254 800 560 800 BY255 1300 910 1300 Units V V V A A V uA uA uA pF C/W C C Notes: 1. Measured at 1 MHz and Applied Reverse Voltage of 4.0 V D.C. Notes: 2. Thermal Resistance from Junction to Ambient .375" (9.5mm) Lead Length. - 298 - RATINGS AND CHARACTERISTIC CURVES (BY251 THRU BY255) AVERAGE FORWARD CURRENT AMPERES 4 PEAK FORWARD SURGE CURRENT. (A) FIG.1- MAXIMUM FORWARD CURRENT DERATING CURVE FIG.2- MAXIMUM FORWARD SURGE CURRENT 150 100 NON-REPETITIVE 3 2 Single Phase Half Wave 60Hz Resistive or Inductive Load 0.375" (9.5mm) Lead Length 0 25 50 75 100 o 50 Tj=25oC 8.3ms Single Half Sine Wave JEDEC Method 10 1 5 10 REPETITIVE 1 0 125 150 175 AMBIENT TEMPERATURE. ( C) 50 100 NUMBER OF CYCLES AT 60Hz FIG.3- TYPICAL FORWARD CHARACTERISTICS 100 100 FIG.4- TYPICAL JUNCTION CAPACITANCE JUNCTION CAPACITANCE.(pF) INSTANTANEOUS FORWARD CURRENT. (A) 30 10 3.0 1.0 Tj=25oC Pulse Width=300 s 1% Duty Cycle 50 10 5 Tj=25 0C 1 .1 .03 1 5 10 REVERSE VOLTAGE. (V) 50 100 FIG.5- TYPICAL REVERSE CHARACTERISTICS INSTANTANEOUS REVERSE CURRENT. ( A) 100 Tj=100 0C .6 .8 1.0 1.2 1.4 FORWARD VOLTAGE. (V) 1.6 1.8 .01 .4 1.0 .1 Tj=25 0C .01 0 20 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE. (%) - 299- |
Price & Availability of BY255
 |
|
|
|
|
All Rights Reserved © IC-ON-LINE 2003 - 2022 |
| [Add Bookmark] [Contact Us] [Link exchange] [Privacy policy] |
|
Mirror Sites : [www.datasheet.hk]
[www.maxim4u.com] [www.ic-on-line.cn]
[www.ic-on-line.com] [www.ic-on-line.net]
[www.alldatasheet.com.cn]
[www.gdcy.com]
[www.gdcy.net] |