component
1.5KE56A
Public Made by Adomby adom
RUILON Shenzhen Ruilongyuan Elec ESD And Surge Protection (TVS/ESD), DO-201. 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
markdown1.5KE56A
RUILON Shenzhen Ruilongyuan Elec · ESD And Surge Protection (TVS/ESD) · DO-201
1.5KE56A from RUILON Shenzhen Ruilongyuan Elec, in a DO-201. 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 | DO-201 |
| 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 |
|---|---|---|---|---|---|---|---|
| Breakdown voltage (1.5KE56A, unidirectional) | VBR | 53.2 | 58.8 | V | @ IT = 1 mA | 2 | |
| Max clamping voltage (10/1000µs) | VC | 77 | V | @ IPP = 19.5 A, 10/1000µs waveform | 2 | ||
| Max peak pulse current (10/1000µs) | IPP | 19.5 | A | 10/1000µs waveform | 2 | ||
| Reverse leakage current | IR | 1 | µA | @ VRWM = 47.8 V | 2 | ||
| Peak pulse power dissipation | PPP | 1500 | W | 10x1000µs, non-repetitive (Note 1) | 1 | ||
| Steady state power dissipation | PD | 5 | W | TL = 75°C, infinite heat sink (Fig. 6) | 1 | ||
| Peak forward surge current | IFSM | 100 | A | 8.3ms single half sine-wave, unidirectional only (Note 2) | 1 | ||
| Operating junction and storage temperature range | TJ,TSTG | -55 | 150 | °C | 1 | ||
| Reverse stand-off voltage | VRWM | 47.8 | V | 2 | |||
| Test current for VBR | IT | 1 | mA | Test current for VBR | 2 |
CAD (KiCad official)
- Symbol:
1.5KE56A - Footprint:
Diode_THT:D_DO-201AD_P15.24mm_Horizontal - 3D model: DO-201 (KiCad packages3D, STEP)
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: RUILON Shenzhen Ruilongyuan Elec datasheet (6 pp, sha256
90967e81fb1cb38e, retrieved 2026-10-14, 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).