component
500mA
Public Made by Adomby adom
DOWO Resettable Fuses, 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
markdown500mA
DOWO · Resettable Fuses · 1206
500mA from DOWO, 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 non-polarized resettable PTC fuse (IH 0.50 A, IT 1.00 A, Vmax 24 V, Imax 40 A). |
| 2 | 2 | passive | Other terminal of the non-polarized resettable PTC fuse (IH 0.50 A, IT 1.00 A, Vmax 24 V, Imax 40 A). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | DOWO |
| 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 |
|---|---|---|---|---|---|---|---|
| Hold current (maximum current at which device will not trip) | IH | 0.5 | A | 25℃ still air | 1 | ||
| Trip current (minimum current at which device will always trip) | IT | 1 | A | 25℃ still air | 1 | ||
| Maximum voltage device can withstand without damage | Vmax | 24 | V | at rated current | 1 | ||
| Maximum fault current device can withstand without damage | Imax | 40 | A | at rated voltage | 1 | ||
| Maximum time to trip | Ttrip | 0.1 | s | at assigned trip current 8.0 A | 1 | ||
| Minimum device resistance prior to tripping | Rmin | 0.15 | Ω | 25℃ prior to tripping | 1 | ||
| Maximum device resistance in nontripped state | R1max | 0.7 | Ω | nontripped state 1 hour post reflow | 1 |
CAD (KiCad official)
- Symbol:
500mA - Footprint:
Fuse:Fuse_1206_3216Metric - 3D model: 1206 (KiCad packages3D, STEP)
- 3D model files:
500ma-etched.step/500ma-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);500ma.step/500ma.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: DOWO datasheet (2 pp, sha256
1edae30e032eb087, retrieved 2026-10-17, tier: lcsc) - Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
- 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).