Diodes Incorporated
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The device is a single rectifier offering low VF and excellent high temperature stability. This device is ideal for use in general rectification applications: for use in low-voltage, high-frequency inverters, free wheeling, polarity protection applications.


  • High Surge Capability
  • Low Power Loss, High Efficiency
  • High Current Capability and Low Forward Voltage Drop
  • Guard Ring Die Construction for Transient Protection
  • Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
  • Halogen and Antimony Free. “Green” Device (Note 3)
  • An automotive-compliant part is available under separate datasheet (1N5819HWQ)


  • For use in low-voltage, high-frequency inverters
  • Free wheeling
  • Polarity protection applications

Product Specifications

Product Parameters

AEC Qualified Yes
Compliance (Only Automotive supports PPAP) Standard
Configuration Single
MaximumAverageRectifiedCurrent IO (A) 1 A
@ TerminalTemperature TT (ºC) 90 ºC
Peak RepetitiveReverse VoltageVRRM (V) 40 V
Peak ForwardSurge CurrentIFSM(A) 25 A
Forward VoltageDrop VF(V) 0.45 V
@ IF (A) 1 A
Maximum ReverseCurrent IR (µA) 1000 µA
@ VR (V) 40 V
TotalCapacitance CT (pF) 50 pF

Related Content


Technical Documents


MDS Reports

Recommended Soldering Techniques



Product Change Notices (PCNs)

A PCN may only apply to specific orderable part numbers in this datasheet. Please refer to the corresponding PCN to see the exact orderable part number(s) affected.

PCN # Issue Date Implementation Date Subject
PCN-2690 2024-05-29 2024-08-29 Qualification of Diodes’ subcontractor Eris Technology Corporation (Eris) in Taoyuan, Taiwan as Additional Assembly & Test Site and Diodes internal JKFAB in HsinChu, Taiwan as additional wafer source for Select Discrete Products.
PCN-2562 2022-01-04 2022-04-04 Qualification of Additional Wafer Back Grinding and Back Metal Process Source (GFAB) for Select Discrete Products
PCN-2477 2020-08-17 2021-05-09 Additional Wafer Source (GFAB), and Transfer Assembly and Test Site to DiYi
PCN-2459 2020-05-28 2020-11-28 Device End of Life (EOL)