component
SS120A
Public Made by Adomby adom
DOWO Schottky Diodes, SMA. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.
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
markdownSS120A
DOWO · Schottky Diodes · SMA
SS120A from DOWO, 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 | DOWO |
| 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 |
|---|---|---|---|---|---|---|---|
| Repetitive peak reverse voltage | VRRM | 200 | V | 1 | |||
| Average rectified output current | IO | 1 | A | @60Hz sine wave, resistance load, TL (FIG.1) | 1 | ||
| Surge (non-repetitive) forward current | IFSM | 30 | A | @60Hz half-sine wave, 1 cycle, Ta=25℃ | 1 | ||
| Storage temperature | Tstg | -55 | 150 | ℃ | 1 | ||
| Junction temperature | Tj | -55 | 150 | ℃ | 1 | ||
| Maximum instantaneous forward voltage drop per diode | VF | 0.95 | V | IFM=1.0A | 1 | ||
| Maximum DC reverse current at rated DC blocking voltage per diode | IRRM | 0.1 | mA | Ta=25℃, VRM=VRRM | 1 | ||
| Maximum DC reverse current at rated DC blocking voltage per diode | IRRM | 5 | mA | Ta=100℃, VRM=VRRM | 1 | ||
| Thermal resistance junction to lead | RθJ-L | 20 | ℃/W | Note (1): junction to lead, mounted on P.C.B. with 0.2" x 0.2" (5.0 mm x 5.0 mm) copper pad areas | 1 |
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 | copper | (1) Thermal resistance from junction to ambient and from junction to lead mounted on P.C.B. with 0.2" x 0.2" (5.0 mm x 5.0 mm) copper pad areas | 1 |
CAD (KiCad official)
- Symbol:
SS120A - Footprint:
Diode_SMD:D_SMA - 3D model: SMA (KiCad packages3D, STEP)
- 3D model files:
ss120a-etched.step/ss120a-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ss120a.step/ss120a.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: DOWO datasheet (2 pp, sha256
854a4c5848e2dfd5, retrieved 2026-10-22, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins, primarycathode-band convention(convention), consensusoff(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).