component
RB521S-40TE61
Public Made by Adomby adom
ROHM Semicon Schottky Diodes, SOD-523. 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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RB521S-40TE61
ROHM Semicon · Schottky Diodes · SOD-523
RB521S-40TE61 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: the banded/marked end per the datasheet; pad 1 of the KiCad diode footprint. |
| 2 | A | passive | Anode. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | ROHM Semicon |
| Package | SOD-523 |
| 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 |
|---|---|---|---|---|---|---|---|
| Forward voltage | VF | 0.16 | 0.26 | 0.3 | V | IF=10mA | 1 |
| Forward voltage | VF | 0.31 | 0.395 | 0.45 | V | IF=100mA | 1 |
| Forward voltage | VF | 0.41 | 0.495 | 0.54 | V | IF=200mA | 1 |
| Reverse current | IR | 3.5 | 20 | μA | VR=10V | 1 | |
| Reverse current | IR | 13 | 90 | μA | VR=40V | 1 | |
| Repetitive peak reverse voltage | VRM | 45 | V | Ta=25℃ | 1 | ||
| Reverse voltage (DC) | VR | 40 | V | Ta=25℃ | 1 | ||
| Average rectified forward current | Io | 200 | mA | Ta=25℃ | 1 | ||
| Forward current surge peak (60Hz/1cyc) | IFSM | 4 | A | Ta=25℃, 60Hz/1cyc | 1 | ||
| Storage temperature | Tstg | -55 | 150 | ℃ | Ta=25℃ | 1 | |
| Junction temperature | Tj | 150 | ℃ | Ta=25℃ | 1 | ||
| ESD breakdown voltage | ESD | 10 | kV | C=100pF, R=1.5k; forward and reverse: 1 time | 1 |
CAD (KiCad official)
- Symbol:
RB521S-40TE61 - Footprint:
Diode_SMD:D_SOD-523 - 3D model: SOD-523 (KiCad packages3D, STEP)
- 3D model files:
rb521s-40te61-etched.step/rb521s-40te61-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);rb521s-40te61.step/rb521s-40te61.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: ROHM Semicon datasheet (6 pp, sha256
78c21d0960141848, retrieved 2026-10-15, 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).
# RB521S-40TE61
**ROHM Semicon** · Schottky Diodes · SOD-523
RB521S-40TE61 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: the banded/marked end per the datasheet; pad 1 of the KiCad diode footprint. |
| 2 | A | passive | Anode. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | ROHM Semicon |
| Package | SOD-523 |
| 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 |
|---|---|---|---|---|---|---|---|
| Forward voltage | VF | 0.16 | 0.26 | 0.3 | V | IF=10mA | 1 |
| Forward voltage | VF | 0.31 | 0.395 | 0.45 | V | IF=100mA | 1 |
| Forward voltage | VF | 0.41 | 0.495 | 0.54 | V | IF=200mA | 1 |
| Reverse current | IR | | 3.5 | 20 | μA | VR=10V | 1 |
| Reverse current | IR | | 13 | 90 | μA | VR=40V | 1 |
| Repetitive peak reverse voltage | VRM | | | 45 | V | Ta=25℃ | 1 |
| Reverse voltage (DC) | VR | | | 40 | V | Ta=25℃ | 1 |
| Average rectified forward current | Io | | | 200 | mA | Ta=25℃ | 1 |
| Forward current surge peak (60Hz/1cyc) | IFSM | | | 4 | A | Ta=25℃, 60Hz/1cyc | 1 |
| Storage temperature | Tstg | -55 | | 150 | ℃ | Ta=25℃ | 1 |
| Junction temperature | Tj | | | 150 | ℃ | Ta=25℃ | 1 |
| ESD breakdown voltage | ESD | | | 10 | kV | C=100pF, R=1.5k; forward and reverse: 1 time | 1 |
## CAD (KiCad official)
- Symbol: `RB521S-40TE61`
- Footprint: `Diode_SMD:D_SOD-523`
- 3D model: SOD-523 (KiCad packages3D, STEP)
- 3D model files: `rb521s-40te61-etched.step` / `rb521s-40te61-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `rb521s-40te61.step` / `rb521s-40te61.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [ROHM Semicon datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588911147525820417) (6 pp, sha256 `78c21d0960141848`, retrieved 2026-10-15, tier: lcsc)
- **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](docs/rb521s-40te61-datasheet.pdf)