component
UDZSTE-176.8B
Public Made by Adomby adom
ROHM Semicon Zener Diodes, SOD-323. 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
markdownUDZSTE-176.8B
ROHM Semicon · Zener Diodes · SOD-323
UDZSTE-176.8B from ROHM Semicon, in a SOD-323. 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 | ROHM Semicon |
| Package | SOD-323 |
| 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) | Vz | 6.65 | V | Iz=5.0mA | 2 | ||
| Zener voltage (MAX) | Vz | 6.93 | V | Iz=5.0mA | 2 | ||
| Operating resistance | Zz | 40 | Ω | Iz=5.0mA | 2 | ||
| Rising operating resistance | Zzk | 60 | Ω | Iz=5.0mA | 2 | ||
| Reverse current | IR | 0.5 | uA | Iz=0.5mA; VR=3.5V | 2 | ||
| Power dissipation | P | 200 | mW | Ta=25C | 1 | ||
| Junction temperature | Tj | 150 | ℃ | 1 | |||
| Storage temperature | Tstg | -55 | 150 | ℃ | 1 | ||
| Operating temperature | Topr | -55 | 150 | ℃ | 1 |
CAD (KiCad official)
- Symbol:
UDZSTE-176.8B - Footprint:
Diode_SMD:D_SOD-323 - 3D model: SOD-323 (KiCad packages3D, STEP)
- 3D model files:
udzste-176-8b-etched.step/udzste-176-8b-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);udzste-176-8b.step/udzste-176-8b.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: ROHM Semicon datasheet (7 pp, sha256
1e5fb09080538d86, retrieved 2026-10-22, tier: lcsc) - 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).