component
1206TD-20A
Public Made by Adomby adom
prosemi Disposable Fuses, 1206. 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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README
markdown1206TD-20A
prosemi · Disposable Fuses · 1206
1206TD-20A from prosemi, 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 | One terminal of the non-polarized 1206TD-20A chip fuse, 20.0 A rating, typical cold resistance 0.0027 ohm, typical voltage drop 0.089 V at rated current. |
| 2 | 2 | passive | Second terminal of the non-polarized 1206TD-20A chip fuse, in series with pin 1, operating temperature -55 to 125°C, one-time positive disconnect. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | prosemi |
| 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 |
|---|---|---|---|---|---|---|---|
| Ampere Rating | In | 20 | A | Part 1206TD-20A rated current | 1 | ||
| Typical Cold Resistance | 0.0027 | Ohms | Measured at <10% of rated current, 25°C ambient | 1 | |||
| Typical Melting I2t | I2t | 52 | A Sec | Measured at 10In current | 1 | ||
| Typical Voltage Drop | VF | 0.089 | V | Measured at rated current after temperature has stabilized | 1 | ||
| Opening time at 100% of amp rating | 4 | hours | 0.75~30A, 100% of Amp Rating | 1 | |||
| Opening time at 350% of amp rating | 5 | s | 6~30A, 350% of Amp Rating | 1 | |||
| Opening time at 1000% of amp rating | 0.2 | 20 | ms | 0.75~30A, 1000% of Amp Rating | 1 | ||
| Operating temperature | -55 | 125 | °C | Operating Temperature | 2 | ||
| Preheat temperature window (Tsmin to Tsmax) | Ts | 150 | 200 | °C | IR reflow profile, preheat | 2 | |
| Preheat time (Tsmin to Tsmax) | ts | 60 | 120 | s | IR reflow profile, preheat | 2 | |
| Average ramp-up rate (Tsmax to Tp) | 3 | °C/s | IR reflow profile | 2 | |||
| Liquidous temperature | TL | 217 | °C | IR reflow profile | 2 | ||
| Time at liquidous | tL | 60 | 150 | s | IR reflow profile | 2 | |
| Peak temperature | Tp | 260 | °C | IR reflow profile, +0/-5°C | 2 | ||
| Time within 5°C of actual peak temperature | tp | 10 | 30 | s | IR reflow profile | 2 | |
| Average ramp-down rate (Tp to Tsmax) | 6 | °C/s | IR reflow profile | 2 | |||
| Time 25°C to peak temperature | 8 | min | IR reflow profile | 2 | |||
| Wave soldering time | 10 | s | Wave soldering at 260°C | 2 | |||
| Infrared reflow time | 30 | s | Infrared reflow at 260°C | 2 |
CAD (KiCad official)
- Symbol:
1206TD-20A - Footprint:
Fuse:Fuse_1206_3216Metric - 3D model: 1206 (KiCad packages3D, STEP)
- 3D model files:
1206td-20a-etched.step/1206td-20a-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);1206td-20a.step/1206td-20a.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: prosemi datasheet (3 pp, sha256
040c3168e91fc117, 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).