® 1SS344 SURFACE MOUNT SCHOTTKY BARRIER DIODE WON-TOP ELECTRONICS Pb Features Low Forward Voltage Fast Switching Speed PN Junction Guard Ring for Transient and ESD Protection For General Purpose Switching Applications Plastic Material – UL Recognition Flammability Classification 94V-0 L A B C M E D H Mechanical Data Case: SOT-23, Molded Plastic K Terminals: Plated Leads Solderable per MIL-STD-202, Method 208 Polarity: See Diagram Weight: 0.008 grams (approx.) Mounting Position: Any Marking: H9 Lead Free: For RoHS / Lead Free Version, Add “-LF” Suffix to Part Number, See Page 4 Maximum Ratings J G TOP VIEW Dim A B C D E G H J K L M SOT-23 Min 0.37 1.19 2.10 0.89 0.45 1.78 2.65 0.013 0.89 0.45 0.076 Max 0.51 1.40 2.50 1.05 0.61 2.05 3.05 0.15 1.10 0.61 0.178 All Dimensions in mm @TA=25°C unless otherwise specified Characteristic Symbol Value Unit VRM 25 V VRRM VRWM VR 20 V Maximum Forward Continuous Current IFM 1500 mA Average Rectified Output Current IO 500 mA IFSM 5.0 A TJ, TSTG -55 to +125 °C Symbol Value Unit PD 200 mW Non-Repetitive Peak Reverse Voltage Peak Repetitive Reverse Voltage Working Peak Reverse Voltage DC Blocking Voltage Non-Repetitive Peak Forward Surge Current Operating and Storage Temperature Range @ t = 10ms Thermal Characteristics Characteristic Power Dissipation (Note 1) Note: 1. Mounted on FR-4 PC board with minimum recommended pad layout. © Won-Top Electronics Co., Ltd. Revision: April, 2012 www.wontop.com 1 ® 1SS344 WON-TOP ELECTRONICS Electrical Characteristics @TA=25°C unless otherwise specified Characteristic Symbol Forward Voltage Drop Reverse Leakage Current @ IF = 10mA @ IF = 100mA @ IF = 500mA VF @ VR = 10V @ VR = 20V IR Min. Typ. Max. Unit 0.30 0.38 0.50 — — 0.55 V 20 100 µA Diode Capacitance (VR = 0V, f = 1.0MHz) CD 120 pF Reverse Recovery Time (IF = IR = 50mA, IRR = 0.1 x IR, RL = 100Ω) trr 20 nS IF, INSTANTANEOUS FORWARD CURRENT (mA) PD, POWER DISSIPATION (mW) 250 200 150 100 50 0 0 25 50 75 100 1000 TA = 100°C 100 TA = 25°C 10 TA = -25°C 1.0 0.1 125 IR, INSTANTANEOUS REVERSE CURRENT (µA) CT, TOTAL CAPACITANCE (pF) 150 120 f = 1.0MHz 90 60 30 0 0 4 8 12 16 VR, DC REVERSE VOLTAGE (V) Fig. 3 Total Capacitance vs. Reverse Voltage www.wontop.com 2 0.2 0.3 0.4 0.5 0.6 VF, INSTANTANEOUS FORWARD VOLTAGE (V) Fig. 2 Typical Forward Characteristics TA, AMBIENT TEMPERATURE (°C) Fig. 1 Power Derating Curve 20 100 TA = 100°C 10 TA = 75°C 1.0 0.1 TA = 50°C TA = 25°C 0.01 TA = 0°C 0.001 0 4 8 12 16 20 VR, INSTANTANEOUS REVERSE VOLTAGE (V) Fig. 4 Typical Reverse Characteristics © Won-Top Electronics Co., Ltd. Revision: April, 2012 ® 1SS344 WON-TOP ELECTRONICS MARKING INFORMATION RECOMMENDED FOOTPRINT 0.035 (0.90) H9 H9 0.079 (2.00) 0.035 (0.90) = Device Code 0.031 (0.80) 0.037 (0.95) inches(mm) PACKAGING INFORMATION TAPE & REEL Inspection Hole Direction of Unreeling 4mm 178mm 8mm 4mm 8mm 1.6mm Product ID Label Reel Diameter (mm) Quantity (PCS) Inner Box Size L x W x H (mm) Quantity (PCS) Carton Size L x W x H (mm) Quantity (PCS) Approx. Gross Weight (KG) 178 3,000 187 x 187 x 65 15,000 390 x 240 x 420 150,000 10.0 Note: 1. Anti-static plastic reel, white, water clear or blue color. Inspection hole might be varied in different alignment. 2. Components are packed in accordance with EIA standard 481-1 and 481-2. © Won-Top Electronics Co., Ltd. Revision: April, 2012 www.wontop.com 3 ® 1SS344 WON-TOP ELECTRONICS ORDERING INFORMATION Product No. 1SS344-T1 1. 2. Package Type Shipping Quantity SOT-23 3000/Tape & Reel 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, 1SS344-T1-LF. WON-TOP ELECTRONICS and are registered trademarks of Won-Top Electronics Co., Ltd (WTE). 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 806, Taiwan Phone: 886-7-822-5408 or 886-7-822-5410 Fax: 886-7-822-5417 Email: [email protected] Internet: http://www.wontop.com www.wontop.com 4 We power your everyday. © Won-Top Electronics Co., Ltd. Revision: April, 2012