component
TLZ18B-GS08
Public Made by Adomby adom
Vishay Intertech Zener Diodes, SOD-80. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, 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
markdownTLZ18B-GS08
Vishay Intertech · Zener Diodes · SOD-80
TLZ18B-GS08 from Vishay Intertech, in a SOD-80. 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: the banded/marked end per the datasheet; pad 1 of the KiCad diode footprint. |
| 2 | A | passive | Anode. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Vishay Intertech |
| Package | SOD-80 |
| 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 | 16.82 | 17.7 | V | at IZT1 = 10 mA | 3 | |
| Test current 1 | IZT1 | 10 | mA | 3 | |||
| Reverse leakage current | IR | 0.04 | μA | at VR = 16 V | 3 | ||
| Test current 2 (IZT2) | IZT2 | 0.5 | mA | 3 | |||
| Reverse voltage | VR | 16 | V | for IR | 3 | ||
| Dynamic resistance | ZZ | 23 | Ω | at IZT1 | 3 | ||
| Dynamic resistance (knee) | ZZK | 150 | Ω | at IZT2 | 3 | ||
| Power dissipation | Ptot | 500 | mW | RthJA ≤ 300 K/W | 1 | ||
| Junction to ambient air | RthJA | 500 | K/W | On PC board 50 mm x 50 mm x 1.6 mm | 1 | ||
| Junction temperature | Tj | 175 | °C | 1 | |||
| Storage temperature range | Tstg | -65 | 175 | °C | 1 | ||
| Forward voltage | VF | 1.5 | V | IF = 200 mA | 1 |
CAD (KiCad official)
- Symbol:
TLZ18B-GS08 - Footprint:
Diode_SMD:D_MiniMELF - 3D model: SOD-80 (KiCad packages3D, STEP)
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Vishay Intertech datasheet (8 pp, sha256
95913d8735ba2310, retrieved 2026-10-22, tier: manufacturer) - Extractor: parts-factory
2.0.0/extract_pins, primarycathode-band convention(convention), consensusoff(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).