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SDM20U40Q-7

Public Made by Adom

by adom

Diodes Incorporated Schottky Barrier Diodes (SBD), SOD-523. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.

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SDM20U40Q-7

Diodes Incorporated · Schottky Barrier Diodes (SBD) · SOD-523

SDM20U40Q-7 from Diodes Incorporated, in a SOD-523. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 K passive Cathode: the banded/marked end per the datasheet; pad 1 of the KiCad diode footprint.
2 A passive Anode.

Key specifications

Parameter Value
Manufacturer Diodes Incorporated
Package SOD-523
Category Diodes
Pins 2

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Reverse Breakdown Voltage V(BR)R 40 V IR = 10µA 2
Forward Voltage Drop VF 0.6 V IF = 200mA 2
Peak Reverse Current IR 5 µA VR = 30V 2
Peak Reverse Current IR 1 µA VR = 10V 2
Peak Repetitive Reverse Voltage / Working Peak Reverse Voltage / DC Blocking Voltage VRRM, VRWM, VR 40 V TA = +25°C 2
RMS Reverse Voltage VR(RMS) 28 V TA = +25°C 2
Forward Continuous Current IO 250 mA Note 6, TA = +25°C 2
Non-Repetitive Peak Forward Surge Current IFSM 1 A 8.3ms single half sine-wave superimposed on rated load 2
Power Dissipation PD 150 mW Note 6 2
Operating and Storage Temperature Range TJ, TSTG -65 125 °C 2
Thermal Resistance, Junction to Ambient Air RϴJA 667 °C/W Note 6 2
Forward Voltage Drop VF 0.35 V IF = 10mA 2
Forward Voltage Drop VF 0.37 V IF = 20mA 2
Total Capacitance CT 50 pF VR = 0V, f = 1.0MHz 2
Reverse Recovery Time tRR 10 ns IF = IR = 200mA, IRR = 0.1 ×IR, RL = 100Ω 2

Materials and finish

As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).

Part Material Colour / plating Datasheet says Page
contacts tin  Terminal Connections: Cathode Band  Terminals: Finish, Matte Tin Annealed over Alloy 42 Leadframe. 1

CAD (KiCad official)

  • Symbol: SDM20U40Q-7
  • Footprint: Diode_SMD:D_SOD-523
  • 3D model: SOD-523 (KiCad packages3D, STEP)
  • 3D model files: sdm20u40q-7-etched.step / sdm20u40q-7-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sdm20u40q-7.step / sdm20u40q-7.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Diodes Incorporated datasheet (5 pp, sha256 2aca8aa8a9ac096a, retrieved 2026-10-23, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins, primary cathode-band convention (convention), consensus off (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF