component
UDZSTFTE-176.2B
Public Made by Adomby adom
ROHM Semicon Zener Diodes, SOD-323FL. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.
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UDZSTFTE-176.2B
ROHM Semicon · Zener Diodes · SOD-323FL
UDZSTFTE-176.2B from ROHM Semicon, in a SOD-323FL. 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-323FL |
| 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 | 6.06 | 6.33 | V | Iz=5.0 mA | 2 | |
| Operating resistance | Zz | 60 | Ω | Iz=5.0 mA | 2 | ||
| Rising operating resistance | Zzk | 100 | Ω | Iz printed as 5.0 mA beside value; see review_required | 2 | ||
| Reverse current | IR | 1 | uA | VR=3.0 V | 2 | ||
| Power dissipation | Pd | 200 | mW | Ta=25C (table header) | 1 | ||
| Junction temperature | Tj | 150 | ℃ | Ta=25C (table header) | 1 | ||
| Storage temperature | Tstg | -55 | 150 | ℃ | Ta=25C (table header) | 1 | |
| Operating temperature | Topr | -55 | 150 | ℃ | Ta=25C (table header) | 1 |
CAD (KiCad official)
- Symbol:
UDZSTFTE-176.2B - Footprint:
Diode_SMD:D_SOD-323F - 3D model: SOD-323FL (KiCad packages3D, STEP)
- 3D model files:
udzstfte-176-2b-etched.step/udzstfte-176-2b-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);udzstfte-176-2b.step/udzstfte-176-2b.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: ROHM Semicon datasheet (7 pp, sha256
9c9a595723ff55b9, retrieved 2026-10-16, 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).
# UDZSTFTE-176.2B
**ROHM Semicon** · Zener Diodes · SOD-323FL
UDZSTFTE-176.2B from ROHM Semicon, in a SOD-323FL. 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-323FL |
| 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 | 6.06 | | 6.33 | V | Iz=5.0 mA | 2 |
| Operating resistance | Zz | | | 60 | Ω | Iz=5.0 mA | 2 |
| Rising operating resistance | Zzk | | | 100 | Ω | Iz printed as 5.0 mA beside value; see review_required | 2 |
| Reverse current | IR | | | 1 | uA | VR=3.0 V | 2 |
| Power dissipation | Pd | | | 200 | mW | Ta=25C (table header) | 1 |
| Junction temperature | Tj | | | 150 | ℃ | Ta=25C (table header) | 1 |
| Storage temperature | Tstg | -55 | | 150 | ℃ | Ta=25C (table header) | 1 |
| Operating temperature | Topr | -55 | | 150 | ℃ | Ta=25C (table header) | 1 |
## CAD (KiCad official)
- Symbol: `UDZSTFTE-176.2B`
- Footprint: `Diode_SMD:D_SOD-323F`
- 3D model: SOD-323FL (KiCad packages3D, STEP)
- 3D model files: `udzstfte-176-2b-etched.step` / `udzstfte-176-2b-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `udzstfte-176-2b.step` / `udzstfte-176-2b.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [ROHM Semicon datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588911085038538752) (7 pp, sha256 `9c9a595723ff55b9`, retrieved 2026-10-16, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins`, primary `cathode-band convention` (convention), consensus `off` (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).
[Datasheet PDF](docs/udzstfte-176-2b-datasheet.pdf)