ST1040S Technical Data Data Sheet N1186, Rev. B Green Products ST1040S SCHOTTKY RECTIFIER Applications: • • • • Switching power supply Converters Free-Wheeling diodes Reverse battery protection Features: • • • • • • • • • 150 °C TJ operation Center tap configuration Ultralow forward voltage drop High purity, high temperature epoxy encapsulation for enhanced mechanical strength and moisture resistance High frequency operation Guard ring for enhanced ruggedness and long term reliability This is a Pb − Free Device All SMC parts are traceable to the wafer lot Additional testing can be offered upon request Mechanical Dimensions: In mm TO-277B • China - Germany - Korea - Singapore - United States • • http://www.smc-diodes.com - sales@ smc-diodes.com • ST1040S Technical Data Data Sheet N1186, Rev. B Green Products Marking Diagram: Where XXXXX is YYWWL S T 10 40 S YY WW L = Device Type = Ultralow VF = Forward Current (10) = Reverse Voltage (40V) = Package type = Year = Week = Lot Number Cautions：Molding resin Epoxy resin UL:94V-0 Ordering Information: Device Package TO-277B (Pb-Free) ST1040S Shipping 5000pcs/ reel For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging Specification. Maximum Ratings: Characteristics Peak Inverse Voltage Average Forward Current (Note 1) (per device) Peak One Cycle NonRepetitive Surge Current (per leg) Symbol VRWM Condition - Max. 40 Units V IF(AV) 50% duty cycle @TM = 121 °C rectangular wave form 10 A IFSM 8.3 ms, half Sine pulse 150 A Note: 1. Mounted on 30 mm x 30 mm pad areas aluminum PCB • China - Germany - Korea - Singapore - United States • • http://www.smc-diodes.com - sales@ smc-diodes.com • ST1040S Technical Data Data Sheet N1186, Rev. B Green Products Electrical Characteristics: Characteristics Forward Voltage Drop* Symbol VF1 VF2 Reverse Current (per leg) Reverse Current (per leg) * Junction Capacitance (per leg) * IR1 IR2 CT Condition @ 5A, Pulse, TJ = 25 °C @ 10A, Pulse, TJ = 25 °C @ 5A, Pulse, TJ = 125 °C @ 10A, Pulse, TJ = 125 °C @VR = 40V TJ = 25 °C @VR = 40V TJ = 125 °C @VR = 5V, TC = 25 °C fSIG = 1MHz Typ. 0.40 0.46 0.30 0.37 Max. 0.51 0.57 0.43 0.50 Units 0.15 0.80 mA 78 100 mA 579 - pF V V Pulse Width < 300µs, Duty Cycle <2% Thermal-Mechanical Specifications: Characteristics Junction Temperature Storage Temperature Typical Thermal Resistance (Note 1) Approximate Weight Case Style Symbol TJ Tstg RθJM wt Condition DC operation - Specification -55 to +150 -55 to +150 Units °C °C 4 °C/W 0.08 g TO-227B Note: 1. Mounted on 30 mm x 30 mm aluminum PCB; thermal resistance RθJM - junction to mount • China - Germany - Korea - Singapore - United States • • http://www.smc-diodes.com - sales@ smc-diodes.com • ST1040S Technical Data Data Sheet N1186, Rev. B • China - Germany - Korea - Singapore - United States • • http://www.smc-diodes.com - sales@ smc-diodes.com • Green Products ST1040S Technical Data Data Sheet N1186, Rev. B Green Products DISCLAIMER: 1- The information given herein, including the specifications and dimensions, is subject to change without prior notice to improve product characteristics. Before ordering, purchasers are advised to contact the SMC - Sangdest Microelectronics (Nanjing) Co., Ltd sales department for the latest version of the datasheet(s). 2- In cases where extremely high reliability is required (such as use in nuclear power control, aerospace and aviation, traffic equipment, medical equipment , and safety equipment) , safety should be ensured by using semiconductor devices that feature assured safety or by means of users’ fail-safe precautions or other arrangement . 3- In no event shall SMC - Sangdest Microelectronics (Nanjing) Co., Ltd be liable for any damages that may result from an accident or any other cause during operation of the user’s units according to the datasheet(s). SMC - Sangdest Microelectronics (Nanjing) Co., Ltd assumes no responsibility for any intellectual property claims or any other problems that may result from applications of information, products or circuits described in the datasheets. 4- In no event shall SMC - Sangdest Microelectronics (Nanjing) Co., Ltd be liable for any failure in a semiconductor device or any secondary damage resulting from use at a value exceeding the absolute maximum rating. 5- No license is granted by the datasheet(s) under any patents or other rights of any third party or SMC - Sangdest Microelectronics (Nanjing) Co., Ltd. 6- The datasheet(s) may not be reproduced or duplicated, in any form, in whole or part, without the expressed written permission of SMC - Sangdest Microelectronics (Nanjing) Co., Ltd. 7- The products (technologies) described in the datasheet(s) are not to be provided to any party whose purpose in their application will hinder maintenance of international peace and safety nor are they to be applied to that purpose by their direct purchasers or any third party. When exporting these products (technologies), the necessary procedures are to be taken in accordance with related laws and regulations.. • China - Germany - Korea - Singapore - United States • • http://www.smc-diodes.com - sales@ smc-diodes.com •