component
SZESD7351HT1G
Public Made by Adomby adom
onsemi ESD And Surge Protection (TVS/ESD), SOD-323. 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
markdownSZESD7351HT1G
onsemi · ESD And Surge Protection (TVS/ESD) · SOD-323
SZESD7351HT1G from onsemi, 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 | Cathode | passive | Cathode (polarity band) of the uni-directional ESD diode, connected to the protected I/O line, with 3.3 V stand-off voltage, 0.6 pF max capacitance and breakdown tested from pin 1 to 2. |
| 2 | Anode | passive | Anode of the uni-directional ESD diode, connected to ground, with IEC 61000-4-2 ±20 kV contact and air ESD protection. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | onsemi |
| 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 |
|---|---|---|---|---|---|---|---|
| Breakdown Voltage | VBR | 5 | V | IT = 1 mA | 2 | ||
| Reverse Leakage Current | IR | 1 | 50 | nA | VRWM = 3.3 V | 2 | |
| Clamping Voltage | VC | 8 | V | IPP = 1 A | 2 | ||
| Clamping Voltage | VC | 10 | V | IPP = 3 A | 2 | ||
| Junction Capacitance | CJ | 0.43 | 0.6 | pF | VR = 0 V, f = 1 MHz | 2 | |
| IEC 61000-4-2 ESD Contact | -20 | 20 | kV | Contact | 1 | ||
| IEC 61000-4-2 ESD Air | -20 | 20 | kV | Air | 1 | ||
| Total Power Dissipation on FR-5 Board | PD | 150 | mW | TA = 25°C | 1 | ||
| Junction and Storage Temperature Range | TJ, Tstg | -55 | 150 | °C | 1 | ||
| Lead Solder Temperature | TL | 260 | °C | 10 Second Duration | 1 | ||
| Reverse Working Voltage | VRWM | 3.3 | V | 2 | |||
| Dynamic Resistance | RDYN | 0.35 | Ω | TLP Pulse | 2 |
CAD (KiCad official)
- Symbol:
SZESD7351HT1G - Footprint:
Diode_SMD:D_SOD-323 - 3D model: SOD-323 (KiCad packages3D, STEP)
- 3D model files:
szesd7351ht1g-etched.step/szesd7351ht1g-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);szesd7351ht1g.step/szesd7351ht1g.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: onsemi datasheet (9 pp, sha256
9ba1b22b232b0a0a, 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).