component
SZA12A
Public Made by Adomby adom
LRC Zener Diodes, DO-214AC. 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
markdownSZA12A
LRC · Zener Diodes · DO-214AC
SZA12A from LRC, in a DO-214AC. 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 | K | passive | Cathode, marked by the color band; Zener voltage regulator diode (SZA12A: Vz 12V at Izt 21mA, ±5% tolerance). |
| 2 | A | passive | Anode terminal of the Zener diode; steady state power dissipation 1.0W at TL=75°C. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | LRC |
| Package | DO-214AC |
| 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 |
|---|---|---|---|---|---|---|---|
| Vz tolerance | Vz | -5 | 5 | % | Ta=25℃ | 2 | |
| Zener voltage | Vz | 12 | V | @ Izt | 2 | ||
| Zener test current | Izt | 21 | mA | 2 | |||
| Dynamic impedance | Zzt | 9 | Ohms | @ Izt | 2 | ||
| Knee impedance | Zzk | 1300 | Ohms | @ Izk | 2 | ||
| Reverse voltage | VR | 9.1 | V | Leakage current test | 2 | ||
| Maximum regulator current | IZM | 76 | mA | Tamb=50 °C | 2 | ||
| Maximum forward voltage | Vfmax | 1.2 | V | IF = 200mA | 2 | ||
| Steady state power dissipation | PM(AV) | 1 | Watts | TL=75°C, Note1: Copper leaf area 1.57in2 | 1 | ||
| Operating and storage temperature range | TJ,TSTG | -50 | 150 | °C | 1 |
CAD (KiCad official)
- Symbol:
SZA12A - Footprint:
Diode_SMD:D_SMA - 3D model: DO-214AC (KiCad packages3D, STEP)
- 3D model files:
sza12a-etched.step/sza12a-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);sza12a.step/sza12a.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: LRC datasheet (4 pp, sha256
e3246a414d407ed0, 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).