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DESD5Z3V3
Public Made by Adomby adom
CBI Electrostatic And Surge Protection (TVS/ESD), SOD-523. 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
markdownDESD5Z3V3
CBI · Electrostatic And Surge Protection (TVS/ESD) · SOD-523
DESD5Z3V3 from CBI, 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 | Cathode | passive | Cathode of the unidirectional TVS diode, connected to the protected line (reverse stand-off voltage VRWM 3.3 V max for the 3V3 type, per the table). |
| 2 | Anode | passive | Anode of the TVS diode, normally connected to ground. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | CBI |
| 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 |
|---|---|---|---|---|---|---|---|
| Reverse Stand-off Voltage | VRWM | 3.3 | V | Ta = 25 °C | 1 | ||
| Reverse Current | IR | 0.05 | µA | at VRWM | 1 | ||
| Breakdown Voltage | VBR | 5 | V | at IT = 1 mA | 1 | ||
| Clamping Voltage (Max. IPP) | VC | 14.1 | V | at Max. IPP | 1 | ||
| Reverse Peak Pulse Current | IPP | 11.2 | A | 1 | |||
| Peak Power Dissipation | Ppk | 158 | W | 1 | |||
| Forward Voltage | VF | 1.1 | V | IF = 10 mA | 1 | ||
| ESD Voltage IEC61000-4-2 Air | -30 | 30 | KV | IEC61000-4-2 Air, Ta = 25 °C | 1 | ||
| ESD Voltage IEC61000-4-2 Contact | -30 | 30 | KV | IEC61000-4-2 Contact, Ta = 25 °C | 1 | ||
| EFT IEC61000-4-4 | 40 | A | IEC61000-4-4, Ta = 25 °C | 1 | |||
| ESD Human Body Model | 16 | KV | Per Human Body Model | 1 | |||
| ESD Machine Model | 400 | KV | Per Machine Model | 1 | |||
| Power Dissipation on FR-5 Board | Ptot | 200 | mW | Ta = 25 °C | 1 | ||
| Junction Temperature | Tj | 150 | °C | 1 | |||
| Storage Temperature Range | Tstg | -55 | 150 | °C | 1 | ||
| Clamping Voltage | VC | 8.4 | V | at IPP = 5 A | 1 | ||
| Capacitance | Cj | 105 | pF | 1 |
CAD (KiCad official)
- Symbol:
DESD5Z3V3 - Footprint:
Diode_SMD:D_SOD-523 - 3D model: SOD-523 (KiCad packages3D, STEP)
- 3D model files:
desd5z3v3-etched.step/desd5z3v3-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);desd5z3v3.step/desd5z3v3.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: CBI datasheet (2 pp, sha256
eb830f42cf4a525c, retrieved 2026-10-22, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text), consensusclaude-sonnet-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).