component
MMSZ4691W
Public Made by Adomby adom
YFW Zener Diodes, SOD-123. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
Open in new tab ↗
Loads when you scroll to it. Unloads after 5 minutes in the background.
Symbol & Footprint
Schematic Symbol
Open full view ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
PCB Footprint
Open full view ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
Datasheet
Open in new tab ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
README
markdownMMSZ4691W
YFW · Zener Diodes · SOD-123
MMSZ4691W from YFW, in a SOD-123. 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 terminal of the Zener diode, listed as pin 1 in the datasheet pinning table for the SOD-123 package. |
| 2 | Anode | passive | Anode terminal of the Zener diode, listed as pin 2 in the datasheet pinning table for the SOD-123 package. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | YFW |
| Package | SOD-123 |
| Category | Diodes |
| 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 |
|---|---|---|---|---|---|---|---|
| Zener voltage (min) | VZT | 5.89 | 6.2 | 6.51 | V | at IZT = 50 uA (IZT column as printed, unit per header) | 2 |
| Reverse current | IR | 10 | μA | at VR = 5 V | 2 | ||
| Zener voltage tolerance | -5 | 5 | % | Tolerance approximately ±5% (Features) | 1 | ||
| Operating and storage temperature range | Tj, Tstg | -55 | 150 | °C | 1 |
CAD (KiCad official)
- Symbol:
MMSZ4691W - Footprint:
Diode_SMD:D_SOD-123F - 3D model: SOD-123 (KiCad packages3D, STEP)
- 3D model files:
mmsz4691w-etched.step/mmsz4691w-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);mmsz4691w.step/mmsz4691w.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: YFW datasheet (3 pp, sha256
6937d5226232cdbc, retrieved 2026-10-17, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-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).