component
RB521SM-30T2R
Public Made by Adomby adom
ROHM Semicon Schottky Diodes, SOD-523. Pinout cross-checked by two models against the datasheet, 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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README
markdownRB521SM-30T2R
ROHM Semicon · Schottky Diodes · SOD-523
RB521SM-30T2R from ROHM Semicon, in a SOD-523. 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, marked by the marking bar on the package; the diode has VR 30 V, Io 200 mA and IFSM 1 A. |
| 2 | A | passive | Anode; forward voltage is 0.47 V max at IF=200 mA and 0.41 V max at IF=100 mA. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | ROHM Semicon |
| Package | SOD-523 |
| Category | Diodes |
| Pins | 2 |
CAD (KiCad official)
- Symbol:
RB521SM-30T2R - Footprint:
Diode_SMD:D_SOD-523 - 3D model: SOD-523 (KiCad packages3D, STEP)
- 3D model files:
rb521sm-30t2r-etched.step/rb521sm-30t2r-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);rb521sm-30t2r.step/rb521sm-30t2r.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: ROHM Semicon datasheet (8 pp, sha256
914a3d888949be81, retrieved 2026-10-12, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text+vision), consensusclaude-opus-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).