component
12B0750B
Public Made by Adomby adom
Shenzhen lanson Elec 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
markdown12B0750B
Shenzhen lanson Elec · Disposable Fuses · 1206
12B0750B from Shenzhen lanson Elec, 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 fuse terminal (nickel/tin-plated end cap) of the 750mA 125V fast-acting element, non-polarized, interrupting rating 50 A at 125V AC/DC. |
| 2 | 2 | passive | Other fuse terminal (nickel/tin-plated end cap) of the 750mA 125V fast-acting element, non-polarized and interchangeable with the other terminal. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Shenzhen lanson Elec |
| 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 |
|---|---|---|---|---|---|---|---|
| Non-opening time at 100% of rated current | 4 | hours | 100% of rated current | 1 | |||
| Opening time at 250% of rated current | 5 | s | 250% of rated current | 1 | |||
| Interrupting rating | 50 | A | at 125V AC/DC | 1 | |||
| Operating temperature | -55 | 125 | ℃ | 1 | |||
| Rated current | 750 | mA | Part 12B0750B | 1 | |||
| Rated voltage | 125 | V | Part 12B0750B, AC/DC | 1 | |||
| Reflow soldering peak temperature | 260 | ℃ | Reflow soldering | 1 | |||
| Reflow soldering time | 10 | s | Reflow soldering at 260℃ | 1 |
CAD (KiCad official)
- Symbol:
12B0750B - Footprint:
Fuse:Fuse_1206_3216Metric - 3D model: 1206 (KiCad packages3D, STEP)
- 3D model files:
12b0750b-etched.step/12b0750b-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);12b0750b.step/12b0750b.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Shenzhen lanson Elec datasheet (1 pp, sha256
56bb733df4b48654, retrieved 2026-10-17, 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).