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SMD1206-020-24
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hongjiacheng Resettable Fuses, 1206. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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SMD1206-020-24
hongjiacheng · Resettable Fuses · 1206
SMD1206-020-24 from hongjiacheng, 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 | Non-polarized PTC terminal (one of two end terminations, interchangeable); device holds 0.20 A and trips at 0.46 A at 25°C, rated 24 V max with 40 A max fault current. |
| 2 | 2 | passive | Non-polarized PTC terminal (the other of two end terminations, interchangeable); device holds 0.20 A and trips at 0.46 A at 25°C, rated 24 V max with 40 A max fault current. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | hongjiacheng |
| 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 |
|---|---|---|---|---|---|---|---|
| Trip current (Itrip) | Itrip | 0.46 | A | Minimum current at which device trips, 25℃ still air | 2 | ||
| Maximum voltage (Vmax) | Vmax | 24 | V | Max voltage device can withstand without damage at rated current (Imax) | 2 | ||
| Maximum fault current (Imax) | Imax | 40 | A | Max fault current device can withstand without damage at rated voltage (Vmax) | 2 | ||
| Max time-to-trip | 8 | s | 2 | ||||
| Minimum initial resistance (Ri min) | Ri | 0.35 | Ω | Minimum resistance in initial (un-soldered) state | 2 | ||
| Max resistance after trip/reflow (R1 max) | R1 | 2.7 | Ω | Max resistance at 25℃ measured one hour after tripping or reflow soldering of 260℃ for 20 sec | 2 | ||
| Operating / storage temperature | -40 | 85 | ℃ | Operating / storage temperature | 4 | ||
| Maximum device surface temperature in tripped state | 125 | ℃ | Maximum device surface temperature in tripped state | 4 | |||
| Peak reflow temperature (TP) | 260 | ℃ | Peak Temp (TP) +260(+0/-5)℃; do not exceed +260℃ | 1 | |||
| Hold current (Ihold) | Ihold | 0.2 | A | Max current device will pass without tripping, 25℃ still air | 2 | ||
| Typical power dissipated in tripped state (Pd) | Pd | 0.6 | W | Typical power dissipated from device in tripped state, 25℃ still air | 2 | ||
| Hold current derating | Ihold | 0.3 | A | Ambient operating temperature -40℃ | 4 | ||
| Hold current derating | Ihold | 0.26 | A | Ambient operating temperature -20℃ | 4 | ||
| Hold current derating | Ihold | 0.23 | A | Ambient operating temperature 0℃ | 4 | ||
| Hold current derating | Ihold | 0.2 | A | Ambient operating temperature 25℃ | 4 | ||
| Hold current derating | Ihold | 0.17 | A | Ambient operating temperature 40℃ | 4 | ||
| Hold current derating | Ihold | 0.15 | A | Ambient operating temperature 50℃ | 4 | ||
| Hold current derating | Ihold | 0.14 | A | Ambient operating temperature 60℃ | 4 | ||
| Hold current derating | Ihold | 0.12 | A | Ambient operating temperature 70℃ | 4 | ||
| Hold current derating | Ihold | 0.11 | A | Ambient operating temperature 85℃ | 4 |
CAD (KiCad official)
- Symbol:
SMD1206-020-24 - Footprint:
Fuse:Fuse_1206_3216Metric - 3D model: 1206 (KiCad packages3D, STEP)
- 3D model files:
smd1206-020-24-etched.step/smd1206-020-24-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);smd1206-020-24.step/smd1206-020-24.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: hongjiacheng datasheet (6 pp, sha256
ac89288fcdc8403c, 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).
# SMD1206-020-24
**hongjiacheng** · Resettable Fuses · 1206
SMD1206-020-24 from hongjiacheng, 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 | Non-polarized PTC terminal (one of two end terminations, interchangeable); device holds 0.20 A and trips at 0.46 A at 25°C, rated 24 V max with 40 A max fault current. |
| 2 | 2 | passive | Non-polarized PTC terminal (the other of two end terminations, interchangeable); device holds 0.20 A and trips at 0.46 A at 25°C, rated 24 V max with 40 A max fault current. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | hongjiacheng |
| 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 |
|---|---|---|---|---|---|---|---|
| Trip current (Itrip) | Itrip | 0.46 | | | A | Minimum current at which device trips, 25℃ still air | 2 |
| Maximum voltage (Vmax) | Vmax | | | 24 | V | Max voltage device can withstand without damage at rated current (Imax) | 2 |
| Maximum fault current (Imax) | Imax | | | 40 | A | Max fault current device can withstand without damage at rated voltage (Vmax) | 2 |
| Max time-to-trip | | | | 8 | s | | 2 |
| Minimum initial resistance (Ri min) | Ri | 0.35 | | | Ω | Minimum resistance in initial (un-soldered) state | 2 |
| Max resistance after trip/reflow (R1 max) | R1 | | | 2.7 | Ω | Max resistance at 25℃ measured one hour after tripping or reflow soldering of 260℃ for 20 sec | 2 |
| Operating / storage temperature | | -40 | | 85 | ℃ | Operating / storage temperature | 4 |
| Maximum device surface temperature in tripped state | | | | 125 | ℃ | Maximum device surface temperature in tripped state | 4 |
| Peak reflow temperature (TP) | | | | 260 | ℃ | Peak Temp (TP) +260(+0/-5)℃; do not exceed +260℃ | 1 |
| Hold current (Ihold) | Ihold | | 0.2 | | A | Max current device will pass without tripping, 25℃ still air | 2 |
| Typical power dissipated in tripped state (Pd) | Pd | | 0.6 | | W | Typical power dissipated from device in tripped state, 25℃ still air | 2 |
| Hold current derating | Ihold | | 0.3 | | A | Ambient operating temperature -40℃ | 4 |
| Hold current derating | Ihold | | 0.26 | | A | Ambient operating temperature -20℃ | 4 |
| Hold current derating | Ihold | | 0.23 | | A | Ambient operating temperature 0℃ | 4 |
| Hold current derating | Ihold | | 0.2 | | A | Ambient operating temperature 25℃ | 4 |
| Hold current derating | Ihold | | 0.17 | | A | Ambient operating temperature 40℃ | 4 |
| Hold current derating | Ihold | | 0.15 | | A | Ambient operating temperature 50℃ | 4 |
| Hold current derating | Ihold | | 0.14 | | A | Ambient operating temperature 60℃ | 4 |
| Hold current derating | Ihold | | 0.12 | | A | Ambient operating temperature 70℃ | 4 |
| Hold current derating | Ihold | | 0.11 | | A | Ambient operating temperature 85℃ | 4 |
## CAD (KiCad official)
- Symbol: `SMD1206-020-24`
- Footprint: `Fuse:Fuse_1206_3216Metric`
- 3D model: 1206 (KiCad packages3D, STEP)
- 3D model files: `smd1206-020-24-etched.step` / `smd1206-020-24-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `smd1206-020-24.step` / `smd1206-020-24.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [hongjiacheng datasheet](docs/smd1206-020-24-datasheet.pdf) (6 pp, sha256 `ac89288fcdc8403c`, retrieved 2026-10-18, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (text+vision), consensus `claude-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).
[Datasheet PDF](docs/smd1206-020-24-datasheet.pdf)