component
SF-1206S050M-2
Public Made by Adomby adom
BOURNS Disposable 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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README
markdownSF-1206S050M-2
BOURNS · Disposable Fuses · 1206
SF-1206S050M-2 from BOURNS, 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 | BOURNS |
| 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 |
|---|---|---|---|---|---|---|---|
| Clearing time at 100 % of rated current | 4 | hours | Clearing time at 25 °C; 100 % of rated current | 1 | |||
| Clearing time at 250 % of rated current | 5 | seconds | Clearing time at 25 °C; 250 % of rated current | 1 | |||
| Clearing time at 400 % of rated current | 0.05 | seconds | Clearing time at 25 °C; 400 % of rated current | 1 | |||
| Resistance tolerance | -30 | 30 | % | Printed tolerance ±30 % (resistance measured with ≤10 % rated current at 25 °C ambient) | 1 | ||
| Operating temperature | -55 | 125 | °C | Operating temperature | 2 | ||
| Storage temperature | 5 | 35 | °C | Storage conditions | 2 | ||
| Shelf life | 2 | years | From manufacturing date | 2 | |||
| Rated voltage | 63 | VDC | Rated voltage | 1 | |||
| Interrupting rating | 50 | A | @ 63 VDC | 1 | |||
| Life test voltage drop change | -20 | 20 | % | 80 % rated current (75 % for ≤1 A fuses) for 2000 hours at ambient +20 °C ~ +30 °C | 5 | ||
| Soldering heat resistance DCR change | -10 | 10 | % | One dip at 260 °C for 60 seconds | 5 | ||
| Solderability coverage | 95 | % | One dip at 245 °C for 5 seconds | 5 | |||
| Thermal shock DCR change | -10 | 10 | % | 100 cycles between -65 °C and +125 °C | 5 | ||
| Moisture resistance DCR change | -15 | 15 | % | 10 cycles | 5 | ||
| Salt spray DCR change | -10 | 10 | % | 48 hour exposure, 5 % salt solution | 5 | ||
| Mechanical vibration DCR change | -10 | 10 | % | 0.4 inch D.A. or 30 G between 5-3000 Hz | 5 | ||
| Mechanical shock DCR change | -10 | 10 | % | 1500 G, 0.5 ms, half-sine shocks | 5 | ||
| Wave soldering peak temperature | 260 | °C | 10 sec max | 4 | |||
| Rated current | 0.5 | A | Rated current of SF-1206S050M-2 | 1 | |||
| Resistance | 0.726 | Ω | Resistance measured with ≤10 % rated current at 25 °C ambient | 1 | |||
| Melting I2t | I2t | 0.002 | A2s | 0.001 second pre-arcing time | 1 |
CAD (KiCad official)
- Symbol:
SF-1206S050M-2 - Footprint:
Fuse:Fuse_1206_3216Metric - 3D model: 1206 (KiCad packages3D, STEP)
- 3D model files:
sf-1206s050m-2-etched.step/sf-1206s050m-2-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);sf-1206s050m-2.step/sf-1206s050m-2.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: BOURNS datasheet (6 pp, sha256
5e7dce7f8ce50412, retrieved 2026-10-21, 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).