component
MMBZ27VC
Public Made by Adomby adom
Leiditech Electrostatic And Surge Protection (TVS/ESD), SOT-23. 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
markdownMMBZ27VC
Leiditech · Electrostatic And Surge Protection (TVS/ESD) · SOT-23
MMBZ27VC from Leiditech, in a SOT-23. 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 | ANODE | passive | Anode of the TVS diode (pin 1); device has 22V reverse working voltage and 25.65V min breakdown at 1mA. |
| 2 | ANODE | passive | Second anode of the TVS diode (pin 2); device has 22V reverse working voltage and 25.65V min breakdown at 1mA. |
| 3 | CATHODE | passive | Common cathode of the TVS diode (pin 3); device has 22V reverse working voltage and 25.65V min breakdown at 1mA. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Leiditech |
| Package | SOT-23 |
| Category | TVS/Fuse/Board Level Protection |
| Pins | 3 |
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 | 25.65 | 27 | 28.35 | V | IT = 1mA | 2 |
| Reverse Leakage Current | IR | 0.5 | µA | VRWM = 22V | 2 | ||
| Clamping Voltage | VC | 38 | V | IPP = 1A (10 x 1000 s pulse) | 2 | ||
| Junction Capacitance | CJ | 30 | pF | V = 0V, f = 1MHz | 2 | ||
| Reverse Working Voltage | VRWM | 22 | V | 2 | |||
| Peak Pulse Power | Ppp | 50 | W | 8/20µs, Tamb=25°C | 1 | ||
| ESD per IEC 61000-4-2 (Air) | VESD | -15 | 15 | kV | Tamb=25°C | 1 | |
| ESD per IEC 61000-4-2 (Contact) | VESD | -8 | 8 | kV | Tamb=25°C | 1 | |
| Operating Temperature Range | TJ | -55 | 150 | °C | Tamb=25°C | 1 | |
| Storage Temperature Range | TSTJ | -55 | 150 | °C | Tamb=25°C | 1 |
CAD (KiCad official)
- Symbol:
MMBZ27VC - Footprint:
Package_TO_SOT_SMD:SOT-23 - 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files:
mmbz27vc-etched.step/mmbz27vc-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);mmbz27vc.step/mmbz27vc.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Leiditech datasheet (3 pp, sha256
fb5d14c43bccca7a, retrieved 2026-10-23, 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).