SD3U40ST Product profile Surface Mount High Current Density Schottky General description Rectifiers 3.0 Amp 40V Features Guarding protection Low forward voltage Reverse energy tested High current capability Extremely low thermal resistance Mechanical data Case: SOD-123 Molded plastic Epoxy: UL94V-O rate flame retardant Lead: Lead Formed for Surface Mount Polarity: Color band denotes cathode end Mounting position: Any Maximum Ratings (Tc=25°C unless otherwise noted) Parameter Symbol SD3U40ST Unit Maximum repetitive peak reverse voltage VRRM 40 V RMS Voltage (Max.) VRMS 28 V Working peak reverse voltage VRWM 40 V Maximum average forward rectified current IF(AV) 3.0 A Peak forward surge current 8.3ms single half sine-wave superimposed 50 IFSM A on rated load (JEDEC Method) 1pulse/4S t=500us exponent wave Operating junction temperature range Storage temperature range 180 TJ -55 to +150 °C TSTG -55 to +150 °C THERMAL CHARACTERISTICS Parameter Symbol Value Unit Typical thermal resistance RθJA 42 °C/W Notes: (1) Pulse test: 300 μs pulse width, 1 % duty cycle (2) Pulse test: Pulse width ≤ 40 ms Publication Order Number: SD3U40ST ©Bruckewell Technology Corporation Rev. A -2014 SD3U40ST Electrical characteristics (Tc=25°C unless otherwise noted) OFF CHARACTERISTICS Parameter Symbol Value Unit Typical Max Instantaneous forward voltage at IF=1A, Tj=25°C VF at IF=3A, Tj=25°C 0.34 V 0.42 0.47 Maximum reverse current Tj=25°C IR at working peak reverse voltage Tj=125°C Junction Capacitance @ DC 5V CJ 400 u'A 40 m'A 120 pF DEVICE MARK 3U40 Publication Order Number: SD3U40ST ©Bruckewell Technology Corporation Rev. A -2014 SD3U40ST Characteristic Curves Publication Order Number: SD3U40ST ©Bruckewell Technology Corporation Rev. A -2014 SD3U40ST Disclaimer ALL PRODUCT, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE TO IMPROVE RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE. Bruckewell Technology Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively, “Bruckewell”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any other disclosure relating to any product. Bruckewell makes no warranty, representation or guarantee regarding the suitability of the products for any particular purpose or the continuing production of any product. To the maximum extent permitted by applicable law, Bruckewell disclaims (i) Any and all liability arising out of the application or use of any product. (ii) Any and all liability, including without limitation special, consequential or incidental damages. (iii) Any and all implied warranties, including warranties of fitness for particular purpose, non-infringement and merchantability. Statements regarding the suitability of products for certain types of applications are based on Bruckewell’s knowledge of typical requirements that are often placed on Bruckewell products in generic applications. Such statements are not binding statements about the suitability of products for a particular application. It is the customer’s responsibility to validate that a particular product with the properties described in the product specification is suitable for use in a particular application. Parameters provided in datasheets and/or specifications may vary in different applications and performance may vary over time. Product specifications do not expand or otherwise modify Bruckewell’s terms and conditions of purchase, including but not limited to the warranty expressed therein. Publication Order Number: SD3U40ST ©Bruckewell Technology Corporation Rev. A -2014