component
SMD1812-160-16
Public Made by Adomby adom
hongjiacheng Resettable Fuses, 1812. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
Open in new tab ↗
Loads when you scroll to it. Unloads after 5 minutes in the background.
Symbol & Footprint
Schematic Symbol
Open full view ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
PCB Footprint
Open full view ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
Datasheet
Open in new tab ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
README
markdownSMD1812-160-16
hongjiacheng · Resettable Fuses · 1812
SMD1812-160-16 from hongjiacheng, in a 1812. 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 | Non-polarized PTC terminal (one end pad); SMD1812-160-16 is rated Ihold 1.60 A, Itrip 3.20 A, Vmax 16 V, Imax 40 A. |
| 2 | 2 | passive | Non-polarized PTC terminal (opposite end pad); interchangeable with the other terminal, with Ri min 0.03 Ω and R1 max 0.13 Ω. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | hongjiacheng |
| Package | 1812 |
| 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 | Ihold | 1.6 | A | Ta=25℃ still air | 3 | ||
| Trip current | Itrip | 3.2 | A | Ta=25℃ still air | 3 | ||
| Maximum voltage | Vmax | 16 | V | at rated current (Imax) | 3 | ||
| Maximum fault current | Imax | 40 | A | at rated voltage (Vmax) | 3 | ||
| Max. time-to-trip | 1 | s | 3 | ||||
| Minimum resistance in initial state | Ri | 0.03 | Ω | initial (un-soldered) state | 3 | ||
| Maximum resistance after trip or reflow | R1 | 0.13 | Ω | 25℃, one hour after tripping or reflow soldering of 260℃ for 20 sec | 3 | ||
| Operating / storage temperature | -40 | 85 | ℃ | operating / storage | 5 | ||
| Maximum device surface temperature in tripped state | 125 | ℃ | tripped state | 5 | |||
| Typical power dissipated in tripped state | Pd typ | 1 | W | tripped state, 25℃ still air | 3 |
CAD (KiCad official)
- Symbol:
SMD1812-160-16 - Footprint:
Fuse:Fuse_1812_4532Metric - 3D model: 1812, generated from the KiCad footprint (body from the F.Fab outline, terminals on the pads, 0.9 mm nominal 1806 height). Neither the vendor nor KiCad ships a 3D model for this package, so the dimensions are nominal, not the manufacturer's CAD (STEP)
- 3D model files:
smd1812-160-16-etched.step/smd1812-160-16-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);smd1812-160-16.step/smd1812-160-16.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: hongjiacheng datasheet (6 pp, sha256
8ab1f213bc6d6cd2, retrieved 2026-10-18, 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).