BY255 WTE POWER SEMICONDUCTORS 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 C !" 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 Maximum Ratings and Electrical Characteristics @TA=25C unless otherwise specified Single Phase, half wave, 60Hz, resistive or inductive load. For capacitive load, derate current by 20%. Characteristic Symbol BY255 Unit VRRM VRWM VR 1300 V VR(RMS) 910 V IO 3.0 A Non-Repetitive Peak Forward Surge Current 8.3ms Single half sine-wave superimposed on rated load (JEDEC Method) IFSM 200 A Forward Voltage @IF = 3.0A VFM 1.0 V @TA = 25C @TA = 100C IRM 5.0 100 A Cj 50 pF RJA 20 C/W Tj -65 to +125 C TSTG -65 to +150 C Peak Repetitive Reverse Voltage Working Peak Reverse Voltage DC Blocking Voltage RMS Reverse Voltage Average Rectified Output Current (Note 1) @TA = 75C Peak Reverse Current At Rated DC Blocking Voltage 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 (c) 2006 Won-Top Electronics 200 IF, INSTANTANEOUS FORWARD CURRENT (A) I(AV), AVERAGE FORWARD CURRENT (A) 4.0 3.0 2.0 1.0 0 25 50 75 100 125 150 175 100 10 1.0 0.2 200 0.4 TA , AMBIENT TEMPERATURE (C) Fig. 1 Forward Current Derating Curve 0.8 1.2 1.6 2.0 2.4 2.8 3.2 VF, INSTANTANEOUS FORWARD VOLTAGE (V) Fig. 2 Typical Forward Characteristics 200 100 100 Cj, CAPACITANCE (pF) IFSM, PEAK FORWARD SURGE CURRENT (A) Tj = 25C 10 Tj = 25C Pulse width = 300s f = 1MHz Tj = 25C 1.0 10 1.0 10 100 1.0 NUMBER OF CYCLES AT 60Hz Fig. 3 Maximum Non-Repetitive Surge Current BY255 10 100 VR, REVERSE VOLTAGE (V) Fig. 4 Typical Junction Capacitance 2 of 4 (c) 2006 Won-Top Electronics MARKING INFORMATION TAPING SPECIFICATIONS 0.8mm MAX 10mm BY255 WTE Cathode BY255 WTE 1.2mm MAX = Polarity Band = Device Number = Manufacturer's Logo 6mm 0.8mm MAX 52.4mm Cathode Tape: Red Anode Tape: White PACKAGING INFORMATION TAPE & BOX TAPE & REEL Product ID Label 150mm Inspection Hole (both ends) 330mm 255mm 75mm BULK 805mm Product ID Label 40mm 85mm 200mm Packaging Reel Diameter / Box Size (mm) Quantity (PCS) Carton Size (mm) Quantity (PCS) Approx. Gross Weight (KG) TAPE & REEL 330 1,200 370 x 370 x 420 6,000 10.0 TAPE & BOX 255 x 75 x 150 1,200 400 x 273 x 415 12,000 17.0 BULK 200 x 85 x 40 500 459 x 214 x 256 12,500 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 (c) 2006 Won-Top Electronics ORDERING INFORMATION Product No. Package Type Shipping Quantity BY255-T3 DO-201AD 1200/Tape & Reel BY255-TB DO-201AD 1200/Tape & Box BY255 DO-201AD 500 Units/Box 1. 2. 3. 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 (c) 2006 Won-Top Electronics