S2MHQ
Document overview
- Manufacturer or author: Diodes Incorporated
- PDF pages: 5
Technical content
Features
- Glass Passivated Die Construction
- Low-Forward Voltage Drop and High-Current Capability
- Surge Overload Rating to 50A Peak
- Ideally Suited for Automated Assembly
- Lead-Free Finish; RoHS Compliant (Notes 1 & 2)
- Halogen and Antimony Free. “Green” Device (Note 3)
- The S2MHQ is suitable for automotive applications requiring specific change control; this part is AEC-Q101 qualified, PPAP capable, and manufactured in IATF 16949 certified facilities. https://www.diodes.com/quality/product-definitions/ Mechanical Data
- Package: SMB
- Package Material: Molded Plastic. UL Flammability Classification Rating 94V-0
- Moisture Sensitivity: Level 1 per J-STD-020
- Terminals: Lead Free Plating (Matte Tin Finish). Solderable per MIL-STD-202, Method 208
- Polarity: Cathode Band or Cathode Notch
- Weight: 0.093 grams (Approximate) Ordering Information (Note 4) Orderable Part Number Package Packing Quantity Carrier S2MHQ-13 SMB 3000 Tape & Reel Notes: 1. EU Directive 2002/95/EC (RoHS), 2011/65/EU (RoHS 2) & 2015/863/EU (RoHS 3) compliant. All applicable RoHS exemptions applied. 2. See https://www.diodes.com/quality/lead-free/ for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green" and Lead-free. 3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and <1000ppm antimony compounds. 4. For packaging details, go to our website at https://www.diodes.com/design/support/packaging/diodes-packaging/. Marking Information Top View Bottom View S2MHQ = Product Type Marking Code = Manufacturers’ Code Marking YWW = Date Code Marking Y = Last Digit of Year (ex: 5 for 2025) WW = Week Code (01 to 53) YWW S2MHQ Green
Document number: DS46155 Rev. 3 - 2 2 of 5 www.diodes.com March 2025 © 2025 Copyright Diodes Incorporated. All Rights Reserved. S2MHQ Maximum Ratings (@TA = +25°C, unless otherwise specified.) Single phase, half wave, 60Hz, resistive or inductive load. For capacitive load, derate current by 20%. Characteristic Symbol Value Unit Peak Repetitive Reverse Voltage Working Peak Reverse Voltage DC Blocking Voltage VRRM VRWM VR 1000 V RMS Reverse Voltage VR(RMS) 700 V Average Rectified Output Current @ TT = +100°C I(AV) 1.5 A Non-Repetitive Peak Forward Surge Current 8.3ms Single Half Sine Wave Superimposed on Rated Load IFSM 50 A Thermal Characteristics Characteristic Symbol Value Unit Typical Thermal Resistance, Junction to Terminal (Note 5) RJT 20 °C/W Operating and Storage Temperature Range TJ, TSTG -65 to +150 °C Electrical Characteristics (@TA = +25°C, unless otherwise specified.) Characteristic Symbol Value Unit Forward Voltage @ IF = 1.5A VFM 1.15 V Peak Reverse Current Rated DC Blocking Voltage @ TA = +25°C @ TA = +125°C IRM 5.0 125 µA Typical Total Capacitance (Note 6) CT 20 pF Notes: 5. Thermal resistance junction to terminal, unit mounted on PC board with 5.0mm2 (0.013mm thick) copper pads as heat sink. 6. Measured at 1.0MHz and applied reverse voltage of 4.0V DC.
Document number: DS46155 Rev. 3 - 2 4 of 5 www.diodes.com March 2025 © 2025 Copyright Diodes Incorporated. All Rights Reserved. S2MHQ Package Outline Dimensions Please see http://www.diodes.com/package-outlines.html for the latest version. SMB D b A E L c SMB Dim Min Max A 2.00 2.50 A1 0.05 0.20 b 1.96 2.21 c 0.15 0.31 D 3.30 3.94 E 5.00 5.59 E1 4.06 4.57 L 0.76 1.52 All Dimensions in mm Suggested Pad Layout Please see http://www.diodes.com/package-outlines.html for the latest version. SMB Y X G C Dimensions Value (in mm) C 4.30 G 1.80 X 2.50 X1 6.80 Y 2.30
Document number: DS46155 Rev. 3 - 2 5 of 5 www.diodes.com March 2025 © 2025 Copyright Diodes Incorporated. All Rights Reserved. S2MHQ IMPORTANT NOTICE 1. DIODES INCORPORATED (Diodes) AND ITS SUBSIDIARIES MAKE NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARDS TO ANY INFORMATION CONTAINED IN THIS DOCUMENT, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NON -INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY RIGHTS (AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION). 2. The Information contained herein is for informational purpose only and is provided only to illustrate the operation of Diodes ’ products described herein and application examples. Diodes does not assume any liability arising out of the application or use of this document or any product described herein. This document is intended for skilled and technically trained engineering customers and users who d esign with Diodes’ products. Diodes’ products may be used to facilitate safety -related applications; however, in all instances customers and users are responsible for (a) selecting the appropriate Diodes products for their applications, (b) evaluating the suitability of Diodes’ products for their intended applications, (c) ensuring their applications, which incorporate Diodes’ products, comply the applicable legal and regulatory requirements as well as safety and functional-safety related standards, and (d) ensuring they design with appropriate safeguards (including testing, validation, quality co ntrol techniques, redundancy, malfunction prevention, and appropriate treatment for aging degradation) to minimize the risks associ ated with their applications. 3. Diodes assumes no liability for any application -related information, support, assistance or feedback that may be provided by Diodes from time to time. Any customer or user of this document or products described herein will assume all risks and liabilities a ssociated with such use, and will hold Diodes and all companies whose products are represented herein or on Diodes’ websites, harmless against al l damages and liabilities. 4. Products described herein may be covered by one or more United States, international or foreign patents and pending patent applications. Product names and markings noted herein may also be covered by one or more United States, international or fore ign trademarks and trademark applications. Diodes does not convey any license under any of its intellectual property rights or the rights of any third parties (including third parties whose products and services may be described in this document or on Diodes’ website) under this docu ment. 5. Diodes’ products are provided subject to Diodes’ Standard Terms and Conditions of Sale (https://www.diodes.com/about/company/terms-and-conditions/terms-and-conditions-of-sales/) or other applicable terms. This document does not alter or expand the applicable warranties provided by Diodes. Diodes does not warrant or accept any liability whatsoever in r espect of any products purchased through unauthorized sales channel. 6. Diodes’ products and technology may not be used for or incorporated into any products or systems whose manufacture, use or sa le is prohibited under any applicable laws and regulations. Should customers or users use Diodes’ products in contravention of any applicable laws or regulations, or for any unintended or unauthorized application, customers and users will (a) be solely responsible for any da mages, losses or penalties arising in connection therewith or as a result thereof, and (b) indemnify and hold Diodes and its representatives a nd agents harmless against any and all claims, damages, expenses, and attorney fees arising out of, directly or indirectly, any claim relating t o any noncompliance with the applicable laws and regulations, as well as any unintended or unauthorized application. 7. While efforts have been made to ensure the information contained in this document is accurate, complete and current, it may c ontain technical inaccuracies, omissions and typographical errors. Diodes does not warrant that information contained in this docume nt is error-free and Diodes is under no obligation to update or otherwise correct this information. Notwithstanding the foregoing, Diodes reserves the right to make modifications, enhancements, improvements, corrections or other changes without further notice to this document and any produ ct described herein. This document is written in English but may be translated into multiple languages for reference. Only the English version of this document is the final and determinative format released by Diodes. 8. Any unauthorized copying, modification, distribution, transmission, display or other use of this document (or any portion her eof) is prohibited. Diodes assumes no responsibility for any losses incurred by the customers or users or any third parties arising f rom any such unauthorized use. 9. This Notice may be periodically updated with the most recent version available at https://www.diodes.com/about/company/terms-and- conditions/important-notice The Diodes logo is a registered trademark of Diodes Incorporated in the United States and other countries. 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