component

MBRS2040LT3G

Public Made by Adom

by adom

onsemi Schottky Barrier Diodes (SBD), SMB(DO-214AA). 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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MBRS2040LT3G

onsemi · Schottky Barrier Diodes (SBD) · SMB(DO-214AA)

MBRS2040LT3G from onsemi, in a SMB(DO-214AA). 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 onsemi
Package SMB(DO-214AA)
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
Peak Repetitive Reverse Voltage / Working Peak Reverse Voltage / DC Blocking Voltage VRRM, VRWM, VR 40 V 2
Average Rectified Forward Current IO 2 A At Rated VR, TC = 103C 2
Peak Repetitive Forward Current IFRM 4 A At Rated VR, Square Wave, 20 kHz, TC = 104C 2
Non-Repetitive Peak Surge Current IFSM 70 A Surge applied at rated load conditions, halfwave, single phase, 60 Hz 2
Storage Temperature Tstg, TC -55 150 C 2
Operating Junction Temperature TJ -55 125 C 2
Voltage Rate of Change dv/dt 10000 V/µs Rated VR, TJ = 25C 2
Thermal Resistance, Junction-to-Lead RθJL 22.5 C/W Note 1: minimum pad size (0.108 x 0.085 inch) for each lead on FR4 board 2
Thermal Resistance, Junction-to-Ambient RθJA 78 C/W Note 2: 1 inch square pad size (1 x 0.5 inch for each lead) on FR4 board 2
Maximum Instantaneous Forward Voltage VF 0.43 V IF = 2.0 A, TJ = 25C 2
Maximum Instantaneous Forward Voltage VF 0.34 V IF = 2.0 A, TJ = 125C 2
Maximum Instantaneous Forward Voltage VF 0.5 V IF = 4.0 A, TJ = 25C 2
Maximum Instantaneous Forward Voltage VF 0.45 V IF = 4.0 A, TJ = 125C 2
Maximum Instantaneous Reverse Current IR 0.8 mA VR = 40 V, TJ = 25C 2
Maximum Instantaneous Reverse Current IR 20 mA VR = 40 V, TJ = 100C 2
Maximum Instantaneous Reverse Current IR 0.1 mA VR = 20 V, TJ = 25C 2
Maximum Instantaneous Reverse Current IR 6 mA VR = 20 V, TJ = 100C 2

CAD (KiCad official)

  • Symbol: MBRS2040LT3G
  • Footprint: Diode_SMD:D_SMB
  • 3D model: SMB(DO-214AA) (KiCad packages3D, STEP)
  • 3D model files: mbrs2040lt3g-etched.step / mbrs2040lt3g-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); mbrs2040lt3g.step / mbrs2040lt3g.glb are the bare package body.

Provenance

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

  • Datasheet: onsemi datasheet (5 pp, sha256 508e22bd9d7ee832, retrieved 2026-10-22, 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