component
SMD0402P020SLR
Public Made by Adomby adom
PTTC Polytronics Tech Resettable Fuses, 0402. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.
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SMD0402P020SLR
PTTC Polytronics Tech · Resettable Fuses · 0402
SMD0402P020SLR from PTTC Polytronics Tech, in a 0402. 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 | Terminal 1 of an unpolarised fuse; either orientation. |
| 2 | 2 | passive | Terminal 2 of an unpolarised fuse; either orientation. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | PTTC Polytronics Tech |
| Package | 0402 |
| 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 without tripping) | Ihold | 0.2 | A | 23 ºC still air | 2 | ||
| Trip current (minimum current at which device trips) | Itrip | 0.5 | A | 23 ºC still air | 2 | ||
| Maximum voltage device can withstand without damage | Vmax | 6 | Vdc | at rated current (Imax) | 2 | ||
| Maximum fault current device can withstand without damage | Imax | 40 | A | at rated voltage (Vmax) | 2 | ||
| Minimum resistance in initial (un-soldered) state | Rmin | 0.1 | Ω | initial un-soldered state | 2 | ||
| Maximum resistance at 23 ºC after tripping or reflow | R1max | 1.25 | Ω | 23 ºC, measured one hour after tripping or reflow soldering at 260 ºC for 20 sec | 2 | ||
| Maximum time to trip | 1 | s | at 1.00 A (Maximum Time To Trip Current column) | 2 | |||
| Typical power dissipated in tripped state | Pd | 0.5 | W | tripped state, 23 ºC still air | 2 | ||
| Operating temperature | -40 | 85 | ºC | 7 | |||
| Maximum device surface temperature in tripped state | 125 | ºC | tripped state | 7 | |||
| Resistance change after thermal shock | -30 | % | MIL-STD-202 Method 107G, +85 ºC/-40 ºC, 20 times | 7 | |||
| Recommended hold current at ambient temperature | 0.29 | A | ambient -40 ºC | 4 | |||
| Recommended hold current at ambient temperature | 0.09 | A | ambient 85 ºC | 4 | |||
| Storage temperature | 0 | 35 | ºC | storage, 70%RH | 5 | ||
| Preheat time (Tsmin to Tsmax) | 60 | 180 | s | Tsmin 150 ºC to Tsmax 200 ºC | 5 | ||
| Average ramp-up rate (Tsmax to TP) | 3 | ºC/s | Pb-free assembly | 5 | |||
| Time maintained above TL | tL | 60 | 150 | s | above TL = 217 ºC | 5 | |
| Peak temperature | TP | 260 | ºC | Pb-free reflow profile, topside of package | 5 | ||
| Time within 5 ºC of actual peak temperature | tP | 20 | 40 | s | within 5 ºC of actual peak temperature | 5 | |
| Ramp-down rate | 6 | ºC/s | from peak temperature | 5 | |||
| Time from 25 ºC to peak temperature | 8 | min | 25 ºC to peak temperature | 5 |
Materials and finish
As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).
| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| contacts | Copper | tin | Terminal Material Solder-Plated Copper (Solder Material: Matte Tin (Sn)) | 8 |
CAD (KiCad official)
- Symbol:
SMD0402P020SLR - Footprint:
Fuse:Fuse_0402_1005Metric - 3D model: 0402 (KiCad packages3D, STEP)
- 3D model files:
smd0402p020slr-etched.step/smd0402p020slr-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);smd0402p020slr.step/smd0402p020slr.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: PTTC Polytronics Tech datasheet (10 pp, sha256
b69574d6d0d75a1b, retrieved 2026-10-19, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins, primarytwo-terminal 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).
# SMD0402P020SLR
**PTTC Polytronics Tech** · Resettable Fuses · 0402
SMD0402P020SLR from PTTC Polytronics Tech, in a 0402. 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 | Terminal 1 of an unpolarised fuse; either orientation. |
| 2 | 2 | passive | Terminal 2 of an unpolarised fuse; either orientation. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | PTTC Polytronics Tech |
| Package | 0402 |
| 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 without tripping) | Ihold | | | 0.2 | A | 23 ºC still air | 2 |
| Trip current (minimum current at which device trips) | Itrip | 0.5 | | | A | 23 ºC still air | 2 |
| Maximum voltage device can withstand without damage | Vmax | | | 6 | Vdc | at rated current (Imax) | 2 |
| Maximum fault current device can withstand without damage | Imax | | | 40 | A | at rated voltage (Vmax) | 2 |
| Minimum resistance in initial (un-soldered) state | Rmin | 0.1 | | | Ω | initial un-soldered state | 2 |
| Maximum resistance at 23 ºC after tripping or reflow | R1max | | | 1.25 | Ω | 23 ºC, measured one hour after tripping or reflow soldering at 260 ºC for 20 sec | 2 |
| Maximum time to trip | | | | 1 | s | at 1.00 A (Maximum Time To Trip Current column) | 2 |
| Typical power dissipated in tripped state | Pd | | 0.5 | | W | tripped state, 23 ºC still air | 2 |
| Operating temperature | | -40 | | 85 | ºC | | 7 |
| Maximum device surface temperature in tripped state | | | | 125 | ºC | tripped state | 7 |
| Resistance change after thermal shock | | | -30 | | % | MIL-STD-202 Method 107G, +85 ºC/-40 ºC, 20 times | 7 |
| Recommended hold current at ambient temperature | | | 0.29 | | A | ambient -40 ºC | 4 |
| Recommended hold current at ambient temperature | | | 0.09 | | A | ambient 85 ºC | 4 |
| Storage temperature | | 0 | | 35 | ºC | storage, 70%RH | 5 |
| Preheat time (Tsmin to Tsmax) | | 60 | | 180 | s | Tsmin 150 ºC to Tsmax 200 ºC | 5 |
| Average ramp-up rate (Tsmax to TP) | | | | 3 | ºC/s | Pb-free assembly | 5 |
| Time maintained above TL | tL | 60 | | 150 | s | above TL = 217 ºC | 5 |
| Peak temperature | TP | | 260 | | ºC | Pb-free reflow profile, topside of package | 5 |
| Time within 5 ºC of actual peak temperature | tP | 20 | | 40 | s | within 5 ºC of actual peak temperature | 5 |
| Ramp-down rate | | | | 6 | ºC/s | from peak temperature | 5 |
| Time from 25 ºC to peak temperature | | | | 8 | min | 25 ºC to peak temperature | 5 |
## Materials and finish
As the datasheet states them (page.json `metadata.appearance`; the 3D model's colours follow it).
| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| contacts | Copper | tin | Terminal Material Solder-Plated Copper (Solder Material: Matte Tin (Sn)) | 8 |
## CAD (KiCad official)
- Symbol: `SMD0402P020SLR`
- Footprint: `Fuse:Fuse_0402_1005Metric`
- 3D model: 0402 (KiCad packages3D, STEP)
- 3D model files: `smd0402p020slr-etched.step` / `smd0402p020slr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `smd0402p020slr.step` / `smd0402p020slr.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [PTTC Polytronics Tech datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588913067954745345) (10 pp, sha256 `b69574d6d0d75a1b`, retrieved 2026-10-19, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins`, primary `two-terminal convention` (convention), consensus `off` (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/smd0402p020slr-datasheet.pdf)