component
CPDH3V3UP-HF
Public Made by Adomby adom
Comchip TVS, SOD-523. 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
markdownCPDH3V3UP-HF
Comchip · TVS · SOD-523
CPDH3V3UP-HF from Comchip, in a SOD-523. 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 | Comchip |
| Package | SOD-523 |
| Category | TVS/Fuse/Board Level 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 |
|---|---|---|---|---|---|---|---|
| Punch-through voltage | VPT | 3.5 | V | IPT = 2uA | 1 | ||
| Snap-back voltage | VSB | 2.8 | V | ISB = 50mA | 1 | ||
| Reverse leakage current | IR | 0.05 | 0.5 | uA | VRWM = 3.3V | 1 | |
| Clamping voltage | VC | 5.5 | V | IPP = 1 A, tp=8/20us | 1 | ||
| Clamping voltage | VC | 8 | V | IPP = 5 A, tp=8/20us | 1 | ||
| Reverse clamping voltage | VCR | 2.4 | V | IPPR = 1 A, tp=8/20us | 1 | ||
| Junction capacitance | Cj | 12 | 16 | pF | VR = 0 V, f = 1MHz | 1 | |
| Reverse stand-off voltage | VRWM | 3.3 | V | 1 | |||
| ESD per IEC 61000-4-2 (Air) | VESD | -20 | 20 | kV | 1 | ||
| ESD per IEC 61000-4-2 (Contact) | VESD | -15 | 15 | kV | 1 | ||
| Peak pulse current | IPP | 5 | A | tp = 8/20 us | 1 | ||
| Peak pulse power | PPP | 40 | W | tp = 8/20 us | 1 | ||
| Operating temperature | Tj | -55 | 125 | °C | 1 | ||
| Storage temperature | TSTG | -55 | 125 | °C | 1 |
CAD (KiCad official)
- Symbol:
CPDH3V3UP-HF - Footprint:
Diode_SMD:D_SOD-523 - 3D model: SOD-523 (KiCad packages3D, STEP)
- 3D model files:
cpdh3v3up-hf-etched.step/cpdh3v3up-hf-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);cpdh3v3up-hf.step/cpdh3v3up-hf.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Comchip datasheet (4 pp, sha256
4200afcca2689a3b, retrieved 2026-10-23, 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).