component
SMD0603-005-33
Public Made by Adomby adom
hongjiacheng Resettable Fuses, 0603. 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
markdownSMD0603-005-33
hongjiacheng · Resettable Fuses · 0603
SMD0603-005-33 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 | Non-polarized PTC terminal 1 (0603, 1.6x0.8 mm); Ihold 0.05 A, Itrip 0.15 A, Vmax 33 V, Imax 20 A, recommended pad 1.0±0.1 x 1.0±0.1 mm. |
| 2 | 2 | passive | Non-polarized PTC terminal 2 (0603, 1.6x0.8 mm); interchangeable with terminal 1, Ihold 0.05 A, Itrip 0.15 A, Vmax 33 V, Imax 20 A, pad spacing 0.9±0.1 mm. |
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 |
|---|---|---|---|---|---|---|---|
| Hold current (Ihold) | Ihold | 0.05 | A | 25℃ still air; maximum current device passes without tripping | 2 | ||
| Trip current (Itrip) | Itrip | 0.15 | A | 25℃ still air; minimum current at which device trips | 2 | ||
| Maximum voltage (Vmax) | Vmax | 33 | V | At rated current (Imax) | 2 | ||
| Maximum fault current (Imax) | Imax | 20 | A | At rated voltage (Vmax) | 2 | ||
| Power dissipated in tripped state (Pd typ.) | Pd | 0.5 | W | Tripped state, 25℃ still air | 2 | ||
| Minimum initial resistance (Ri min) | Ri | 3.8 | Ω | Initial (un-soldered) state | 2 | ||
| Maximum resistance after trip/reflow (R1 max) | R1 | 30 | Ω | 25℃, measured one hour after tripping or reflow soldering at 260℃ for 20 sec | 2 | ||
| Hold current at ambient -40℃ (SMD0603-005 family derating) | Ihold | 0.065 | A | Ambient -40℃ (thermal derating table for SMD0603-005 series) | 3 | ||
| Hold current at ambient -20℃ (SMD0603-005 family derating) | Ihold | 0.06 | A | Ambient -20℃ (thermal derating table for SMD0603-005 series) | 3 | ||
| Hold current at ambient 0℃ (SMD0603-005 family derating) | Ihold | 0.055 | A | Ambient 0℃ (thermal derating table for SMD0603-005 series) | 3 | ||
| Hold current at ambient 25℃ (SMD0603-005 family derating) | Ihold | 0.05 | A | Ambient 25℃ (thermal derating table for SMD0603-005 series) | 3 | ||
| Hold current at ambient 40℃ (SMD0603-005 family derating) | Ihold | 0.04 | A | Ambient 40℃ (thermal derating table for SMD0603-005 series) | 3 | ||
| Hold current at ambient 50℃ (SMD0603-005 family derating) | Ihold | 0.035 | A | Ambient 50℃ (thermal derating table for SMD0603-005 series) | 3 | ||
| Hold current at ambient 60℃ (SMD0603-005 family derating) | Ihold | 0.031 | A | Ambient 60℃ (thermal derating table for SMD0603-005 series) | 3 | ||
| Hold current at ambient 70℃ (SMD0603-005 family derating) | Ihold | 0.025 | A | Ambient 70℃ (thermal derating table for SMD0603-005 series) | 3 | ||
| Hold current at ambient 85℃ (SMD0603-005 family derating) | Ihold | 0.015 | A | Ambient 85℃ (thermal derating table for SMD0603-005 series) | 3 | ||
| Operating / storage temperature | -40 | 85 | ℃ | Operating / storage temperature | 4 | ||
| Maximum device surface temperature in tripped state | 125 | ℃ | Tripped state | 4 |
CAD (KiCad official)
- Symbol:
SMD0603-005-33 - Footprint:
Fuse:Fuse_0603_1608Metric - 3D model: 0603 (KiCad packages3D, STEP)
- 3D model files:
smd0603-005-33-etched.step/smd0603-005-33-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);smd0603-005-33.step/smd0603-005-33.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 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).