component
SMD1210P075TF
Public Made by Adomby adom
PTTC Polytronics Tech Resettable Fuses, 1210. Pinout cross-checked by two models against the datasheet, 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
markdownSMD1210P075TF
PTTC Polytronics Tech · Resettable Fuses · 1210
SMD1210P075TF from PTTC Polytronics Tech, in a 1210. 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 the non-polarized PTC device, a solder-plated copper end terminal landing on a 1.00 mm x 2.50 mm pad; the two pads are 2.00 mm apart. |
| 2 | 2 | passive | Terminal 2 of the non-polarized PTC device, a solder-plated copper end terminal landing on a 1.00 mm x 2.50 mm pad; the two pads are 2.00 mm apart. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | PTTC Polytronics Tech |
| Package | 1210 |
| 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 resistance (initial, un-soldered) | Rmin | 0.13 | Ω | Initial un-soldered state | 2 | ||
| Maximum resistance at 23 ºC after trip or reflow | R1max | 0.4 | Ω | 23 ºC, measured one hour after tripping or reflow soldering at 260 ºC for 20 sec | 2 | ||
| Maximum voltage (Vmax) | Vmax | 6 | Vdc | At rated current (Imax) | 2 | ||
| Maximum fault current (Imax) | Imax | 100 | A | At rated voltage (Vmax) | 2 | ||
| Trip current (Itrip) | Itrip | 1.5 | A | 23 ºC still air | 2 | ||
| Hold current (Ihold) | Ihold | 0.75 | A | Maximum current device will pass without tripping, 23 ºC still air | 2 | ||
| Maximum time to trip | 0.1 | Sec. | Fault current 8.00 A | 2 | |||
| Operating temperature | -40 | 85 | ºC | 7 | |||
| Maximum device surface temperature in tripped state | 125 | ºC | Tripped state | 7 | |||
| Passive aging resistance change | -5 | 5 | % | +85 ºC, 1000 hours; typical resistance change | 7 | ||
| Humidity aging resistance change | -5 | 5 | % | +85 ºC, 85% R.H., 1000 hours; typical resistance change | 7 | ||
| Typical power dissipated in tripped state | Pd | 0.6 | W | Tripped state at 23 ºC still air | 2 | ||
| Thermal shock resistance change | -30 | % | MIL-STD-202 Method 107G, +85 ºC/-40 ºC, 20 times; typical resistance change | 7 | |||
| Recommended hold current at ambient -40 ºC | 1 | A | Ambient operation temperature -40 ºC (thermal derating table) | 4 | |||
| Recommended hold current at ambient 85 ºC | 0.4 | A | Ambient operation temperature 85 ºC (thermal derating table) | 4 |
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:
SMD1210P075TF - Footprint:
Fuse:Fuse_1210_3225Metric - 3D model: 1210 (KiCad packages3D, STEP)
- 3D model files:
smd1210p075tf-etched.step/smd1210p075tf-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);smd1210p075tf.step/smd1210p075tf.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: PTTC Polytronics Tech datasheet (10 pp, sha256
23208d6340686af0, 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).