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MURA140T3G

Public Made by Adom

by adom

onsemi Fast Recovery / High Efficiency Diodes, SMA. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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Made with KiCad 10.0 · needs KiCad 10.0 or later to open · KiCad file format 20260206
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MURA140T3G

onsemi · Fast Recovery / High Efficiency Diodes · SMA

MURA140T3G from onsemi, 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 CATHODE passive Cathode lead, marked by the polarity band on the package (per Style 1: Pin 1 = Cathode, polarity band); the datasheet states the polarity band indicates the cathode lead.
2 ANODE passive Anode lead, the opposite terminal of the rectifier to the polarity-banded cathode (per Style 1: Pin 2 = Anode).

Key specifications

Parameter Value
Manufacturer onsemi
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
Maximum Instantaneous Forward Voltage (TJ = 150°C) vF 0.8 V iF = 1.0 A, TJ = 150°C 2
Maximum Instantaneous Forward Voltage (TJ = 25°C) vF 1.1 V iF = 1.0 A, TJ = 25°C 2
Maximum Instantaneous Reverse Current (TJ = 150°C) iR 150 μA Rated DC Voltage, TJ = 150°C 2
Maximum Instantaneous Reverse Current (TJ = 25°C) iR 5 μA Rated DC Voltage, TJ = 25°C 2
Maximum Reverse Recovery Time trr 65 ns iF = 1.0 A, di/dt = 50 A/μs 2
Peak Repetitive Reverse Voltage (MURA140T3G column) VRRM 400 V 2
Working Peak Reverse Voltage (MURA140T3G column) VRWM 400 V 2
DC Blocking Voltage (MURA140T3G column) VR 400 V 2
Average Rectified Forward Current IF(AV) 1 A TL = 150°C 2
Average Rectified Forward Current IF(AV) 2 A TL = 125°C 2
Non-Repetitive Peak Surge Current IFSM 35 A Surge applied at rated load conditions, halfwave, single phase, 60 Hz 2
Operating Junction Temperature Range TJ -65 175 °C 2
Thermal Resistance, Junction-to-Lead PsiJL 24 °C/W TL = 25°C (Note 1) 2
Thermal Resistance, Junction-to-Ambient RθJA 216 °C/W Surface mounted on minimum pad size recommended, PC Board FR-4 (Note 1) 2

CAD (KiCad official)

  • Symbol: MURA140T3G
  • Footprint: Diode_SMD:D_SMA
  • 3D model: SMA (KiCad packages3D, STEP)
  • 3D model files: mura140t3g-etched.step / mura140t3g-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); mura140t3g.step / mura140t3g.glb are the bare package body.

Provenance

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

  • Datasheet: onsemi datasheet (5 pp, sha256 7f1031618918f987, retrieved 2026-10-14, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-5-5 (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