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SBR3A40SAQ-13

Public Made by Adom

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Diodes Incorporated Super Barrier Rectifiers (SBR), SMA. 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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3D Model

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Symbol & Footprint

Schematic Symbol

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PCB Footprint

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Datasheet

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Contents

README

markdown

SBR3A40SAQ-13

Diodes Incorporated · Super Barrier Rectifiers (SBR) · SMA

SBR3A40SAQ-13 from Diodes Incorporated, in a SMA. 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 SMA
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 = 0.4mA 2
Peak Repetitive Reverse Voltage / Working Peak Reverse Voltage / DC Blocking Voltage VRRM, VRWM, VRM 40 V 2
Maximum Voltage Rate of Change dv/dt 10000 V/μs Rated VR 2
RMS Reverse Voltage VR(RMS) 28 V 2
Average Rectified Output Current IO 3 A 2
Non-Repetitive Peak Forward Surge Current IFSM 45 A 8.3ms single half sine-wave superimposed on rated load 2
Operating and Storage Temperature Range TJ, TSTG -65 150 °C 2
Forward Voltage Drop VF 0.3 0.35 V IF = 0.5A, TJ = +25°C 2
Forward Voltage Drop VF 0.33 0.38 V IF = 1.0A, TJ = +25°C 2
Forward Voltage Drop VF 0.43 0.5 V IF = 3.0A, TJ = +25°C 2
Forward Voltage Drop VF 0.48 V IF = 3.0A, TJ = +125°C 2
Leakage Current IR 45 250 μA VR = 5V, TJ = +25°C 2
Leakage Current IR 80 400 μA VR = 40V, TJ = +25°C 2
Leakage Current IR 9 40 mA VR = 40V, TJ = +125°C 2
Power Dissipation PD 1.2 W @TA = +25°C (Note 8) 2
Thermal Resistance Junction to Soldering RJS 5 °C/W Note 7 2
Thermal Resistance Junction to Ambient RJA 124 °C/W Note 8 2
Thermal Resistance Junction to Case RJC 14.3 °C/W Note 8 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  Terminals: Lead Free Plating (Matte Tin Finish.) Solderable per MIL-STD-202, Method 208 1

CAD (KiCad official)

  • Symbol: SBR3A40SAQ-13
  • Footprint: Diode_SMD:D_SMA
  • 3D model: SMA (KiCad packages3D, STEP)
  • 3D model files: sbr3a40saq-13-etched.step / sbr3a40saq-13-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sbr3a40saq-13.step / sbr3a40saq-13.glb are the bare package body.

Provenance

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

  • Datasheet: Diodes Incorporated datasheet (5 pp, sha256 12e0c0797fc4f477, retrieved 2026-10-16, tier: lcsc)
  • 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