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RL1206A120K
Public Made by Adomby adom
RUILON Shenzhen Ruilongyuan Elec Varistors, 1206. 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
markdownRL1206A120K
RUILON Shenzhen Ruilongyuan Elec · Varistors · 1206
RL1206A120K from RUILON Shenzhen Ruilongyuan Elec, in a 1206. 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 | 1 | passive | One terminal of the bidirectional, symmetrical varistor (WB 0.50±0.20 mm end termination); RL1206A120K has varistor voltage 9.6~14.4 V at 1mA, max 5 Vac / 8 Vdc. |
| 2 | 2 | passive | Other terminal of the bidirectional, symmetrical varistor (interchangeable with the first terminal); max clamping voltage 30 V at 5 A (8/20μs). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | RUILON Shenzhen Ruilongyuan Elec |
| Package | 1206 |
| 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 |
|---|---|---|---|---|---|---|---|
| Varistor voltage | V1mA | 9.6 | 14.4 | V | 2 | ||
| Varistor voltage tolerance (K) | -10 | 10 | % | Standard tolerance K: ±10% | 1 | ||
| Max. allowable voltage (AC) | VAC | 5 | V | 2 | |||
| Max. allowable voltage (DC) | VDC | 8 | V | 2 | |||
| Max. energy | 0.4 | J | 10/1000μs | 2 | |||
| Max. clamping voltage | VC | 30 | V | 8/20μs, IP = 5 A | 2 | ||
| Max. peak pulse current | IP | 5 | A | 8/20μs | 2 | ||
| Withstanding surge current | I | 120 | A | 8/20μs | 2 | ||
| Varistor voltage change, bias humidity | VV/VV | -10 | 10 | % | 90%RH, 40ºC, working voltage, 1000 hrs | 3 | |
| Varistor voltage change, thermal shock | VV/VV | -10 | 10 | % | -40ºC to 85ºC, 30 min cycle, 5 cycles | 3 | |
| Varistor voltage change, full load | VV/VV | -10 | 10 | % | Working voltage, 85ºC, 1000 hrs | 3 | |
| Operating temperature range | -55 | 125 | ℃ | 1 | |||
| Storage temperature range | 5 | 40 | ℃ | Storage condition; relative humidity to 65%, storage time 12 months max | 3 | ||
| Response time | 1 | ns | 1 | ||||
| Peak reflow temperature (Pb-free) | TP | 260 | °C | Pb-free reflow, +0/-5°C, 20-40 s within 5°C of peak | 3 |
CAD (KiCad official)
- Symbol:
RL1206A120K - Footprint:
Resistor_SMD:R_1206_3216Metric - 3D model: 1206 (KiCad packages3D, STEP)
- 3D model files:
rl1206a120k-etched.step/rl1206a120k-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);rl1206a120k.step/rl1206a120k.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: RUILON Shenzhen Ruilongyuan Elec datasheet (4 pp, sha256
7cadef546238b404, retrieved 2026-10-17, 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).