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.
Generated by kicad-footprint-generator · KiCad file format 20260206
| Name | Last updated |
|---|---|
| docs | 8d ago |
| viewers | 8d ago |
| package.json | 8d ago |
| page.json | 8d ago |
| README.md | 8d ago |
| smd0402p020slr-etched.glb | 8d ago |
| smd0402p020slr-etched.step | 8d ago |
| smd0402p020slr-hero.glb | 8d ago |
| smd0402p020slr-hero.overlay.json | 8d ago |
| smd0402p020slr.glb | 8d ago |
| smd0402p020slr.kicad_mod | 8d ago |
| smd0402p020slr.kicad_sym | 8d ago |
| smd0402p020slr.lbr | 8d ago |
| smd0402p020slr.step | 8d ago |
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).