component
DDZ20ASF-7
Public Made by Adomby adom
Diodes Incorporated Zener Diodes, SOD-323F. 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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Contents
README
markdownDDZ20ASF-7
Diodes Incorporated · Zener Diodes · SOD-323F
DDZ20ASF-7 from Diodes Incorporated, in a SOD-323F. 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 terminal, marked by the cathode band on the package; the Zener voltage is regulated with this pin positive relative to the anode. |
| 2 | A | passive | Anode terminal, the end opposite the cathode band. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Diodes Incorporated |
| Package | SOD-323F |
| 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 | VZ | 18.05 | 18.96 | V | @ IZT = 10mA, TA = +25°C | 3 | |
| Maximum Zener Impedance | ZZT | 50 | Ω | @ IZT = 10mA, f = 1kHz | 3 | ||
| Maximum Reverse Current | IR | 0.07 | µA | @ VR = 17.10V | 3 | ||
| Forward Voltage | VF | 0.9 | V | IF = 10mA, TA = +25°C | 2 | ||
| Maximum Power Dissipation | PD | 500 | mW | Device mounted on FR-4 PCB with 10mm x 10mm pad, board 35mm x 25mm | 2 | ||
| Thermal Resistance, Junction to Ambient Air | RθJA | 250 | °C/W | Device mounted on FR-4 PCB with 10mm x 10mm pad, board 35mm x 25mm | 2 | ||
| Operating and Storage Temperature Range | TJ, TSTG | -65 | 150 | °C | 2 | ||
| Zener Test Current | IZT | 10 | mA | Test current for VZ and ZZT | 3 |
Materials and finish
As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).
| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| contacts | Copper Alloy | tin | • Terminal Connections: Cathode Band • Terminals: Finish, Matte Tin Annealed over Copper Alloy | 1 |
CAD (KiCad official)
- Symbol:
DDZ20ASF-7 - Footprint:
Diode_SMD:D_SOD-323F - 3D model: SOD-323F (KiCad packages3D, STEP)
- 3D model files:
ddz20asf-7-etched.step/ddz20asf-7-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ddz20asf-7.step/ddz20asf-7.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Diodes Incorporated datasheet (6 pp, sha256
4b3e557243a196b4, retrieved 2026-10-22, tier: manufacturer) - 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).