BY255

WTE POWER SEMICONDUCTORS BY255 Pb 3.0A HIGH VOLTAGE STANDARD DIODE Features !" Diffused Junction !" !" !" !" Low Forward Voltage Drop High Current Capability High Reliability High Surge Current Capability A B A Mechanical Data !" Case: DO-201AD, Molded Plastic !" Terminals: Plated Leads Solderable per MIL-STD-202, Method 208 !" Polarity: Cathode Band !" Weight: 1.2 grams (approx.) !" Mounting Position: Any !" Marking: Type Number !" Lead Free: For RoHS / Lead Free Version, Add “-LF” Suffix to Part Number, See Page 4 D DO-201AD Dim Min Max A 25.4 — B 7.20 9.50 C 1.20 1.30 D 4.80 5.30 All Dimensions in mm C Maximum Ratings and Electrical Characteristics Single Phase, half wave, 60Hz, resistive or inductive load. For capacitive load, derate current by 20%. @TA=25°C unless otherwise specified Characteristic Peak Repetitive Reverse Voltage Working Peak Reverse Voltage DC Blocking Voltage RMS Reverse Voltage Average Rectified Output Current (Note 1) @TA = 75°C Non-Repetitive Peak Forward Surge Current 8.3ms Single half sine-wave superimposed on rated load (JEDEC Method) Forward Voltage Peak Reverse Current At Rated DC Blocking Voltage @IF = 3.0A @TA = 25°C @TA = 100°C Symbol VRRM VRWM VR VR(RMS) IO BY255 Unit 1300 910 3.0 V V A IFSM VFM IRM Cj RθJA Tj TSTG 200 1.0 5.0 100 50 20 -65 to +125 -65 to +150 A V µA pF °C/W °C °C Typical Junction Capacitance (Note 2) Typical Thermal Resistance Junction to Ambient (Note 1) Operating Temperature Range Storage Temperature Range Note: 1. Leads maintained at ambient temperature at a distance of 9.5mm from the case 2. Measured at 1.0 MHz and Applied Reverse Voltage of 4.0V D.C. BY255 1 of 4 © 2006 Won-Top Electronics 

IF, INSTANTANEOUS FORWARD CURRENT (A) 4.0 200 100 Tj = 25ºC I(AV), AVERA GE FORWARD CURRENT (A) 3.0 10 2.0 1.0 1.0 0 25 50 75 100 125 150 175 200 TA , AMBIENT TEMPERATURE (°C) Fig. 1 Forward Current Derating Curve 0.2 0.4 0.8 1.2 1.6 2.0 2.4 2.8 3.2 VF, INSTANTANEOUS FORWARD VOLTAGE (V) Fig. 2 Typical Forward Characteristics 200 IFSM, PEAK FORWARD SURGE CURRENT (A) 100 100 Cj, CAPACITANCE (pF) Tj = 25°C Pulse width = 300µs 10 f = 1MHz Tj = 25ºC 10 1.0 10 100 1.0 1.0 10 VR, REVERSE VOLTAGE (V) Fig. 4 Typical Junction Capacitance 100 NUMBER OF CYCLES AT 60Hz Fig. 3 Maximum Non-Repetitive Surge Current BY255 2 of 4 © 2006 Won-Top Electronics M ARKING INFORMATION TAPING SPECIFICATIONS 0.8mm MAX 10mm B Y255 WTE Cathode BY255 WTE = Polarity Band = Device Number = Manufacturer’s Logo 1.2mm MAX 6mm 52.4mm Cathode Tape: Red Anode Tape: White 0.8mm MAX PACKAGING INFORMATION TAPE & BOX TAPE & REEL Product ID Label 150mm Inspection Hole (both ends) 330mm 255mm 75mm BULK 80±5mm 40mm 200mm Product ID Label 85mm Packaging TAPE & REEL TAPE & BOX BULK Reel Diameter / Box Size (mm) 330 255 x 75 x 150 200 x 85 x 40 Quantity (PCS) 1,200 1,200 500 Carton Size (mm) 370 x 370 x 420 400 x 273 x 415 459 x 214 x 256 Quantity (PCS) 6,000 12,000 12,500 Approx. Gross Weight (KG) 10.0 17.0 16.0 Note: 1. Paper reel, white or gray color. Core material: plastic or metal. 2. Components are packed in accordance with EIA standard RS-296-E. BY255 3 of 4 © 2006 Won-Top Electronics ORDERING INFORMATION Product No. BY255-T3 BY255-TB BY255 1. 2. 3. Package Type DO-201AD DO-201AD DO-201AD Shipping Quantity 1200/Tape & Reel 1200/Tape & Box 500 Units/Box Products listed in bold are WTE Preferred devices. Shipping quantity given is for minimum packing quantity only. For minimum order quantity, please consult the Sales Department. To order RoHS / Lead Free version (with Lead Free finish), add “-LF” suffix to part number above. For example, BY255-TB-LF. Won-Top Electronics Co., Ltd (WTE) has checked all information carefully and believes it to be correct and accurate. However, WTE cannot assume any responsibility for inaccuracies. Furthermore, this information does not give the purchaser of semiconductor devices any license under patent rights to manufacturer. WTE reserves the right to change any or all information herein without further notice. WARNING: DO NOT USE IN LIFE SUPPORT EQUIPMENT. WTE power semiconductor products are not authorized for use as critical components in life support devices or systems without the express written approval. Won-Top Electronics Co., Ltd. No. 44 Yu Kang North 3rd Road, Chine Chen Dist., Kaohsiung, Taiwan Phone: 886-7-822-5408 or 886-7-822-5410 Fax: 886-7-822-5417 Email: sales@wontop.com Internet: http://www.wontop.com We power your everyday. BY255 4 of 4 © 2006 Won-Top Electronics