RS1MWF

Document overview

  • Manufacturer or author: Diodes Incorporated
  • PDF pages: 5

Technical content

Document number: DS36900 Rev. 10 - 2 1 of 5 www.diodes.com January 2026 © 2026 Copyright Diodes Incorporated. All Rights Reserved. RS1MWF 1.0A SURFACE-MOUNT FAST RECOVERY RECTIFIER Product Summary (@ TA = +25°C) VRRM (V) IO (A) VF Max (V) IR Max (µA) 1,000 1 1.3 5 Description and Applications The RS1MWF is a rectifier packaged in the small form factor, low profile SOD123F (standard). Providing fast recovery time for high efficiency, low reverse leakage current and high surge current capability, this device is ideal for use in general rectification applications such as:

  • Switching mode power supplies
  • DC-DC converters
  • AC-DC adaptors/chargers
  • Mobile devices Features and Benefits
  • Glass Passivated Die Construction
  • Small Form Factor, Low Profile
  • Fast Recovery Time for High Efficiency
  • Surge Overload Rating to 30A Peak
  • Low Reverse Leakage Current
  • High Reverse Breakdown Voltage
  • Lead-Free Finish; RoHS Compliant (Notes 1 & 2)
  • Halogen and Antimony Free. “Green” Device (Note 3)
  • For automotive applications requiring specific change control (i.e.: parts qualified to AEC-Q100/101/104/200, PPAP capable, and manufactured in IATF 16949 certified facilities), please refer to the related automotive grade (Q-suffix) part. A listing can be found at https://www.diodes.com/products/automotive/automotive- products/.
  • This part is qualified to JEDEC standards (as references in AEC-Q) for High Reliability. https://www.diodes.com/quality/product-definitions/ Mechanical Data
  • Package: SOD123F
  • Package Material: Molded Plastic, “Green” Molding Compound. UL Flammability Classification Rating 94V-0
  • Moisture Sensitivity: Level 1 per J-STD-020
  • Terminals: Matte Tin Finish Annealed over Copper Leadframe. Solderable per MIL-STD-202, Method 208
  • Polarity: Cathode Band
  • Weight: 0.018 grams (Approximate) Ordering Information (Note 4) Orderable Part Number Package Packing Qty. Carrier RS1MWF-7 SOD123F (Standard) 3,000 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 Date Code Key Year 2014 - 2026 2027 2028 2029 2030 2031 2032 2033 2034 2035 Code B - N P R S T U V W X Y Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Code 1 2 3 4 5 6 7 8 9 O N D Green Top View SOD123F (Standard) F8 = Product Type Marking Code YM = Date Code Marking Y = Year (ex: N = 2026) M = Month (ex: D = December) SOD123F (Standard) Bottom View Schematic View

Document number: DS36900 Rev. 10 - 2 2 of 5 www.diodes.com January 2026 © 2026 Copyright Diodes Incorporated. All Rights Reserved. RS1MWF 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 VRRM 1,000 V Working Peak Reverse Voltage VRWM DC Blocking Voltage VRM RMS Reverse Voltage VR(RMS) 700 V Average Rectified Output Current (@ TT = +88°C) IO 1.0 A Non-Repetitive Peak Forward Surge Current 8.3ms Single Half Sine Wave Superimposed on Rated Load IFSM 30 A Thermal Characteristics Characteristic Symbol Value Unit Typical Thermal Resistance, Junction to Case (Note 5) RθJC 10 ° C/W Typical Thermal Resistance Junction to Ambient (Note 5) RθJA 65 ° C/W Operating and Storage Temperature Range TJ, TSTG -55 to +150 °C Electrical Characteristics (@TA = +25° C, unless otherwise specified.) Characteristic Symbol Min Typ Max Unit Test Condition Reverse Breakdown Voltage (Note 6) V(BR)R 1,000 — — V IR = 5µA Forward Voltage Drop VF — 1.0 1.3 V IF = 1A, TJ = +25° C 0.9 1.2 IF = 1A, TJ = +125° C Leakage Current (Note 6) IR — 0.2 5.0 µA VR = 1,000V, TJ = +25° C 24 200 VR = 1,000V, TJ = +125° C Reverse-Recovery Time tRR — 240 500 ns IF = 0.5A, IR = 1.0A, IRR = 0.25A Total Capacitance CT — 8 — pF VR = 4.0VDC, f = 1MHz 6. Short duration pulse test used to minimize self-heating effect.

Document number: DS36900 Rev. 10 - 2 4 of 5 www.diodes.com January 2026 © 2026 Copyright Diodes Incorporated. All Rights Reserved. RS1MWF Package Outline Dimensions Please see http://www.diodes.com/package-outlines.html for the latest version. SOD123F (Standard) SOD123F (Standard) Dim Min Max Typ A 0.81 1.15 - b 0.80 1.35 - c 0.05 0.30 - D 1.70 1.90 1.80 E 2.60 2.80 2.70 He 3.30 3.70 3.50 L 0.35 0.85 - All Dimensions in mm Suggested Pad Layout Please see http://www.diodes.com/package-outlines.html for the latest version. SOD123F (Standard) Dimensions Value (in mm) G 1.90 X 1.00 X1 3.90 Y 1.50 E A c L bD He Option A ( Top View) Option B ( Top View) Option A ( Bottom View) Option B ( Bottom View) G Y X

Document number: DS36900 Rev. 10 - 2 5 of 5 www.diodes.com January 2026 © 2026 Copyright Diodes Incorporated. All Rights Reserved. RS1MWF 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. 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