component
LRB551V-30T1G
Public Made by Adomby adom
LRC Schottky Diodes, SOD-323. 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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LRB551V-30T1G
LRC · Schottky Diodes · SOD-323
LRB551V-30T1G from LRC, in a SOD-323. 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 | LRC |
| Package | SOD-323 |
| 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 | 0.36 | V | IF=100mA | 1 | ||
| Forward voltage | VF | 0.54 | V | IF=500mA | 1 | ||
| Reverse current | IR | 100 | μA | VR=20V | 1 | ||
| Peak reverse voltage | VRM | 30 | V | Ta = 25ºC | 1 | ||
| DC reverse voltage | VR | 20 | V | Ta = 25ºC | 1 | ||
| Mean rectifying current | IO | 0.5 | A | Ta = 25ºC | 1 | ||
| Peak forward surge current | IFMS | 2 | A | Ta = 25ºC | 1 | ||
| Total device dissipation | PD | 200 | mW | FR-5 board (Note 1) @ TA = 25ºC | 1 | ||
| Derate above 25ºC | 1.57 | mW/ºC | FR-5 board (Note 1) | 1 | |||
| Thermal resistance, junction-to-ambient | RΘJA | 635 | ºC/W | Note 1 | 1 | ||
| Junction and storage temperature | TJ,Tstg | -40 | 125 | °C | 1 |
CAD (KiCad official)
- Symbol:
LRB551V-30T1G - Footprint:
Diode_SMD:D_SOD-323 - 3D model: SOD-323 (KiCad packages3D, STEP)
- 3D model files:
lrb551v-30t1g-etched.step/lrb551v-30t1g-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);lrb551v-30t1g.step/lrb551v-30t1g.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: LRC datasheet (3 pp, sha256
28e17fd2151da661, 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).
# LRB551V-30T1G
**LRC** · Schottky Diodes · SOD-323
LRB551V-30T1G from LRC, in a SOD-323. 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 | LRC |
| Package | SOD-323 |
| 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 | | | 0.36 | V | IF=100mA | 1 |
| Forward voltage | VF | | | 0.54 | V | IF=500mA | 1 |
| Reverse current | IR | | | 100 | μA | VR=20V | 1 |
| Peak reverse voltage | VRM | | | 30 | V | Ta = 25ºC | 1 |
| DC reverse voltage | VR | | | 20 | V | Ta = 25ºC | 1 |
| Mean rectifying current | IO | | | 0.5 | A | Ta = 25ºC | 1 |
| Peak forward surge current | IFMS | | | 2 | A | Ta = 25ºC | 1 |
| Total device dissipation | PD | | | 200 | mW | FR-5 board (Note 1) @ TA = 25ºC | 1 |
| Derate above 25ºC | | | | 1.57 | mW/ºC | FR-5 board (Note 1) | 1 |
| Thermal resistance, junction-to-ambient | RΘJA | | | 635 | ºC/W | Note 1 | 1 |
| Junction and storage temperature | TJ,Tstg | -40 | | 125 | °C | | 1 |
## CAD (KiCad official)
- Symbol: `LRB551V-30T1G`
- Footprint: `Diode_SMD:D_SOD-323`
- 3D model: SOD-323 (KiCad packages3D, STEP)
- 3D model files: `lrb551v-30t1g-etched.step` / `lrb551v-30t1g-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lrb551v-30t1g.step` / `lrb551v-30t1g.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [LRC datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586185420489306112) (3 pp, sha256 `28e17fd2151da661`, retrieved 2026-10-22, 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/lrb551v-30t1g-datasheet.pdf)