component
RLSD52A051C
Public Made by Adomby adom
RUILON(Shenzhen Ruilongyuan Elec) ESD Protection Devices, 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.
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
markdownRLSD52A051C
RUILON(Shenzhen Ruilongyuan Elec) · ESD Protection Devices · SOD-523
RLSD52A051C from RUILON(Shenzhen Ruilongyuan Elec), 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 | RUILON(Shenzhen Ruilongyuan Elec) |
| Package | SOD-523 |
| Category | Circuit Protection |
| 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 |
|---|---|---|---|---|---|---|---|
| Peak Pulse Power per Line | PPP | 130 | W | tp = 8/20 μs | 1 | ||
| ESD Voltage (Contact) | VESD | -25 | 25 | kV | IEC61000-4-2 contact discharge | 1 | |
| ESD Voltage (Air) | VESD | -25 | 25 | kV | IEC61000-4-2 air discharge | 1 | |
| Lead Soldering Temperature | TL | 260 | °C | 10 sec | 1 | ||
| Operating Temperature Range | TOP | -55 | 150 | °C | 1 | ||
| Storage Temperature | TSTG | -55 | 155 | °C | 1 | ||
| Reverse Stand-Off Voltage | VRWM | 5 | V | Type RLSD52A051C, 5.0 V type, as printed in the Reverse Stand-Off Voltage column | 1 | ||
| Breakdown Voltage (minimum) | VBR | 5.5 | V | @1 mA | 1 | ||
| Clamping Voltage (max) | VC | 12.5 | V | VC@5A (max.), 8/20 μS | 1 | ||
| Reverse Leakage Current | IR | 1 | μA | @VRWM | 1 | ||
| Typical Capacitance | CJ | 15 | pF | @1 MHz, DC=0V | 1 |
CAD (KiCad official)
- Symbol:
RLSD52A051C - Footprint:
Diode_SMD:D_SOD-523 - 3D model: SOD-523 (KiCad packages3D, STEP)
- 3D model files:
rlsd52a051c-etched.step/rlsd52a051c-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);rlsd52a051c.step/rlsd52a051c.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: RUILON(Shenzhen Ruilongyuan Elec) datasheet (3 pp, sha256
5e8761846ed8bfea, retrieved 2026-10-21, 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).