component
AD-ESDBT4V5D3
Public Made by Adomby adom
Changjing ESD And Surge Protection (TVS/ESD), SOD-323. 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
markdownAD-ESDBT4V5D3
Changjing · ESD And Surge Protection (TVS/ESD) · SOD-323
AD-ESDBT4V5D3 from Changjing, in a SOD-323. 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 bidirectional ESD/TVS diode; either orientation. |
| 2 | 2 | passive | Terminal 2 of an unpolarised bidirectional ESD/TVS diode; either orientation. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Changjing |
| Package | SOD-323 |
| 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 |
|---|---|---|---|---|---|---|---|
| Reverse standoff voltage | VRWM | 4.5 | V | 3 | |||
| Reverse leakage current | IR | 1 | µA | VRWM = 4.5V | 3 | ||
| Reverse trigger voltage | VTRIG | 5 | V | IT = 1mA | 3 | ||
| Reverse holding voltage | VHOLD | 4.6 | V | IT = 100mA | 3 | ||
| Clamping voltage | VC | 27.5 | V | IPP = 100A | 3 | ||
| Junction capacitance | CJ | 150 | pF | VR = 0V, f = 1MHz | 3 | ||
| IEC 61000-4-2 ESD voltage, air | VESD | -30 | 30 | kV | Tj = 25°C, air model | 2 | |
| IEC 61000-4-2 ESD voltage, contact | VESD | -30 | 30 | kV | Tj = 25°C, contact model | 2 | |
| ESD voltage per human body model | VESD | -20 | 20 | kV | JESD22-A114-B, Tj = 25°C | 2 | |
| ESD voltage per machine model | VESD | -0.4 | 0.4 | kV | Tj = 25°C | 2 | |
| Peak pulse power | PPP | 3300 | W | 8/20μs, Tj = 25°C | 2 | ||
| Peak pulse current | IPP | 140 | A | 8/20μs, Tj = 25°C | 2 | ||
| Maximum lead solder temperature | TL | 260 | °C | 10 second duration | 2 | ||
| Operation junction and storage temperature range | Tj, Tstg | -55 | 150 | °C | 2 |
CAD (KiCad official)
- Symbol:
AD-ESDBT4V5D3 - Footprint:
Diode_SMD:D_SOD-323 - 3D model: SOD-323 (KiCad packages3D, STEP)
- 3D model files:
ad-esdbt4v5d3-etched.step/ad-esdbt4v5d3-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ad-esdbt4v5d3.step/ad-esdbt4v5d3.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Changjing datasheet (7 pp, sha256
bd51207cea8c79a4, retrieved 2026-10-22, 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).