component
SMD1206P050TF
Public Made by Adomby adom
PTTC Polytronics Tech Resettable Fuses, 1206. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, 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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Contents
README
markdownSMD1206P050TF
PTTC Polytronics Tech · Resettable Fuses · 1206
SMD1206P050TF from PTTC Polytronics Tech, 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 | 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 | 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 |
|---|---|---|---|---|---|---|---|
| Minimum trip current | Itrip | 1 | A | 23 ºC still air; minimum current at which device trips | 2 | ||
| Maximum voltage | Vmax | 6 | Vdc | At rated current (Imax) | 2 | ||
| Maximum fault current | Imax | 100 | A | At rated voltage (Vmax) | 2 | ||
| Minimum resistance (initial, un-soldered) | Rmin | 0.1 | Ω | Initial un-soldered state | 2 | ||
| Maximum resistance after trip or reflow | R1max | 0.7 | Ω | 23 ºC, measured one hour after tripping or reflow soldering of 260 ºC for 20 sec; PWB 0.030in*1.5oz copper traces | 2 | ||
| Maximum time to trip | 0.1 | Sec. | At 8.00 A fault current (Maximum Time To Trip, Current 8.00 A) | 2 | |||
| Operating temperature | -40 | 85 | ºC | Environmental specification, operating temperature range | 7 | ||
| Maximum device surface temperature in tripped state | 125 | ºC | In tripped state | 7 | |||
| Peak reflow temperature | TP | 260 | ºC | Pb-free reflow profile; measured on package topside | 6 | ||
| Storage temperature | 0 | 35 | ºC | Storage condition | 6 | ||
| Storage relative humidity | 70 | %RH | Storage condition | 6 | |||
| Hold current | Ihold | 0.5 | A | 23 ºC still air; maximum current device passes without tripping | 2 | ||
| Typical power dissipation in tripped state | Pd typ | 0.6 | W | Tripped state at 23 ºC still air | 2 | ||
| Passive aging resistance change | -5 | 5 | % | +85ºC, 1000 hours; typical resistance change | 7 | ||
| Humidity aging resistance change | -5 | 5 | % | +85ºC, 85%R.H., 1000 hours; typical resistance change | 7 | ||
| Thermal shock resistance change | -30 | % | MIL-STD-202 Method 107G, +85ºC/-40ºC 20 times; typical resistance change | 7 |
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:
SMD1206P050TF - Footprint:
Fuse:Fuse_1206_3216Metric - 3D model: 1206 (KiCad packages3D, STEP)
- 3D model files:
smd1206p050tf-etched.step/smd1206p050tf-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);smd1206p050tf.step/smd1206p050tf.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: PTTC Polytronics Tech datasheet (10 pp, sha256
e073fae9cb6bcc0c, retrieved 2026-10-17, 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).