component
SMD0603-003-30
Public Made by Adomby adom
hongjiacheng Resettable Fuses, 0603. 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
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
markdownSMD0603-003-30
hongjiacheng · Resettable Fuses · 0603
SMD0603-003-30 from hongjiacheng, 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 | Terminal 1 of an unpolarised fuse; either orientation. |
| 2 | 2 | passive | Terminal 2 of an unpolarised fuse; either orientation. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | hongjiacheng |
| 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 |
|---|---|---|---|---|---|---|---|
| Vmax, maximum voltage the device withstands without damage at rated current | Vmax | 30 | V | Part table, SMD0603-003-30 | 2 | ||
| Imax, maximum fault current the device withstands without damage at rated voltage | Imax | 20 | A | Part table, SMD0603-003-30 | 2 | ||
| Ri min, minimum resistance in initial (un-soldered) state | Ri | 6 | Ω | Initial (un-soldered) state | 2 | ||
| R1 max, maximum resistance at 25℃ one hour after tripping or 260℃ reflow | R1 | 50 | Ω | 25℃, measured one hour after tripping or reflow soldering of 260℃ for 20 sec | 2 | ||
| Itrip, minimum current at which the device trips | Itrip | 0.09 | A | 25℃ still air | 2 | ||
| Time-to-trip (max) | 1 | Sec | 2 | ||||
| Ihold, hold current (maximum current without tripping) | Ihold | 0.03 | A | 25℃ still air | 2 | ||
| Pd typ, typical power dissipated in tripped state | Pd | 0.5 | W | 25℃ still air, tripped state | 2 | ||
| Ihold derating at ambient -40℃ | Ihold | 0.048 | A | Ambient operating temperature -40℃ | 3 | ||
| Ihold derating at ambient -20℃ | Ihold | 0.041 | A | Ambient operating temperature -20℃ | 3 | ||
| Ihold derating at ambient 0℃ | Ihold | 0.036 | A | Ambient operating temperature 0℃ | 3 | ||
| Ihold derating at ambient 25℃ | Ihold | 0.03 | A | Ambient operating temperature 25℃ | 3 | ||
| Ihold derating at ambient 40℃ | Ihold | 0.024 | A | Ambient operating temperature 40℃ | 3 | ||
| Ihold derating at ambient 50℃ | Ihold | 0.021 | A | Ambient operating temperature 50℃ | 3 | ||
| Ihold derating at ambient 60℃ | Ihold | 0.018 | A | Ambient operating temperature 60℃ | 3 | ||
| Ihold derating at ambient 70℃ | Ihold | 0.016 | A | Ambient operating temperature 70℃ | 3 | ||
| Ihold derating at ambient 85℃ | Ihold | 0.011 | A | Ambient operating temperature 85℃ | 3 | ||
| Operating temperature range | -40 | 85 | ℃ | Operating temperature | 4 | ||
| Storage temperature range | -40 | 85 | ℃ | Storage temperature | 4 | ||
| Maximum device surface temperature in tripped state | 125 | ℃ | Tripped state | 4 | |||
| Peak reflow temperature (TP) | TP | 260 | ℃ | Printed +260(+0/-5)℃; do not exceed +260℃ | 1 | ||
| Preheat temperature minimum (TS(min)) | TS(min) | 150 | ℃ | Pb-free reflow profile | 1 | ||
| Preheat temperature maximum (TS(max)) | TS(max) | 200 | ℃ | Pb-free reflow profile | 1 | ||
| Preheat time (tS) | tS | 60 | 180 | secs. | Time from TS(min) to TS(max) | 1 | |
| Time above liquidus (tL) | tL | 60 | 150 | secs. | Above TL (+217℃) | 1 | |
| Time within 5℃ of actual peak temperature (tP) | tP | 20 | 40 | secs | Within 5℃ of actual peak temperature | 1 | |
| Average ramp-up rate (TL to peak) | 3 | ℃ /sec. | Liquidus temperature TL to peak | 1 | |||
| Ramp-down rate | 6 | ℃ /sec. | From peak temperature | 1 | |||
| Time from 25℃ to peak temperature | 8 | min. | 25℃ to peak temperature TP | 1 |
CAD (KiCad official)
- Symbol:
SMD0603-003-30 - Footprint:
Fuse:Fuse_0603_1608Metric - 3D model: 0603 (KiCad packages3D, STEP)
- 3D model files:
smd0603-003-30-etched.step/smd0603-003-30-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);smd0603-003-30.step/smd0603-003-30.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: hongjiacheng datasheet (6 pp, sha256
fa7ebd4833c04044, retrieved 2026-10-17, 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).