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UMW SS24A

Public Made by Adom

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UMW Schottky Barrier Diodes (SBD), SMA(DO-214AC). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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3D Model

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Symbol & Footprint

Schematic Symbol

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Datasheet

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Contents

README

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UMW SS24A

UMW · Schottky Barrier Diodes (SBD) · SMA(DO-214AC)

UMW SS24A from UMW, in a SMA(DO-214AC). 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 end of the Schottky diode, marked by the color band on the package.
2 A passive Anode of the Schottky diode (the end opposite the color band).

Key specifications

Parameter Value
Manufacturer UMW
Package SMA(DO-214AC)
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 Recurrent Peak Reverse Voltage VRRM 40 V 2
Maximum RMS Voltage VRMS 28 V 2
Maximum DC Blocking Voltage VDC 40 V 2
Maximum Average Forward Rectified Current IF(AV) 2 A See Fig.1 2
Peak Forward Surge Current IFSM 50 A 8.3 ms single half sine-wave superimposed on rated load (JEDEC method) 2
Maximum Instantaneous Forward Voltage VF 0.55 V at 2A 2
Maximum DC Reverse Current IR 0.5 mA TA=25°C, at Rated DC Blocking Voltage 2
Maximum DC Reverse Current IR 20 mA TA=100°C, at Rated DC Blocking Voltage 2
Typical Junction Capacitance CJ 170 pF Measured at 1MHz and applied reverse voltage of 4.0V D.C. 2
Typical Thermal Resistance Junction to Ambient RθJA 70 °C/W Junction to Ambient 2
Junction Temperature Range TJ -65 125 °C 2
Storage Temperature Range TSTG -65 150 °C 2

CAD (KiCad official)

  • Symbol: UMW SS24A
  • Footprint: Diode_SMD:D_SMA
  • 3D model: SMA(DO-214AC) (KiCad packages3D, STEP)
  • 3D model files: umw-ss24a-etched.step / umw-ss24a-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); umw-ss24a.step / umw-ss24a.glb are the bare package body.

Provenance

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

  • Datasheet: UMW datasheet (6 pp, sha256 9a92c8014344aea2, retrieved 2026-10-22, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-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