component
SF-0603F050-2
Public Made by Adomby adom
BOURNS Disposable Fuses, 0603. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
Open in new tab ↗
Loads when you scroll to it. Unloads after 5 minutes in the background.
Symbol & Footprint
Schematic Symbol
Open full view ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
PCB Footprint
Open full view ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
Datasheet
Open in new tab ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
README
markdownSF-0603F050-2
BOURNS · Disposable Fuses · 0603
SF-0603F050-2 from BOURNS, in a 0603. 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 | Fuse terminal 1 of 2 (non-polarized, interchangeable with terminal 2); rated 0.50 A, 32 VDC, interrupting rating 50 A @ 32 VDC, typical resistance 0.29 ohm. |
| 2 | 2 | passive | Fuse terminal 2 of 2 (non-polarized, interchangeable with terminal 1); rated 0.50 A, 32 VDC, interrupting rating 50 A @ 32 VDC, typical resistance 0.29 ohm. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | BOURNS |
| Package | 0603 |
| 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 |
|---|---|---|---|---|---|---|---|
| Resistance tolerance | -25 | 25 | % | Printed as ± 25 % (note ***) | 1 | ||
| Clearing time at 100 % of rated current | 4 | hours | 100 % of rated current, at 25 °C | 1 | |||
| Clearing time at 200 % of rated current | 60 | seconds | 200 % of rated current, at 25 °C | 1 | |||
| Interrupting rating | 50 | A | @ 50 VDC | 1 | |||
| Rated voltage | 50 | VDC | 1 | ||||
| Operating temperature | -20 | 105 | °C | 1 | |||
| Storage temperature | 5 | 35 | °C | Storage conditions | 1 | ||
| Temperature rise | 75 | °C | 100 % of rated current, measure of surface temperature | 4 | |||
| Residual resistance | 10 | k ohms | Measure DC resistance after fusing | 4 | |||
| Resistance change after resistance to dry heat | -20 | 20 | % | 105 °C ±5 °C, 1000 hours | 4 | ||
| Resistance change after thermal shock (ΔR) | ΔR | 10 | % | -20 °C / +25 °C / +125 °C / +25 °C, 10 cycles | 4 | ||
| Resistance change after resistance to solder heat | -20 | 20 | % | 260 °C ±5 °C, 10 seconds ±1 second | 4 | ||
| Resistance | 0.29 | Ω | Measured with ≤10 % rated current at 25 °C ambient | 1 | |||
| Rated current | 0.5 | A | 1 | ||||
| Typical melting I2t | I2t | 0.005 | A2s | Melting I2t calculated at 10 times rated current | 1 |
CAD (KiCad official)
- Symbol:
SF-0603F050-2 - Footprint:
Fuse:Fuse_0603_1608Metric - 3D model: 0603 (KiCad packages3D, STEP)
- 3D model files:
sf-0603f050-2-etched.step/sf-0603f050-2-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);sf-0603f050-2.step/sf-0603f050-2.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: BOURNS datasheet (5 pp, sha256
e3e35aa49dc42460, retrieved 2026-10-19, 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).