component
UDZVTE-174.3B
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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UDZVTE-174.3B
ROHM Semicon · Zener Diodes · SOD-323FL
UDZVTE-174.3B 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 | 4.17 | 4.43 | V | Iz=5mA, Ta=25C, VZ test time 40ms | 2 | |
| Dynamic Impedance | ZZ | 100 | Ω | Iz=5mA | 2 | ||
| Zener Impedance | ZZK | 1000 | Ω | Iz=1.0mA | 2 | ||
| Reverse Current | IR | 5 | μA | VR=1.0V | 2 | ||
| Power dissipation | PD | 200 | mW | Ta = 25℃ | 1 | ||
| Junction temperature | Tj | 150 | ℃ | Ta = 25℃ | 1 | ||
| Storage temperature | Tstg | -55 | 150 | ℃ | Ta = 25℃ | 1 |
CAD (KiCad official)
- Symbol:
UDZVTE-174.3B - Footprint:
Diode_SMD:D_SOD-323F - 3D model: SOD-323FL (KiCad packages3D, STEP)
- 3D model files:
udzvte-174-3b-etched.step/udzvte-174-3b-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);udzvte-174-3b.step/udzvte-174-3b.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: ROHM Semicon datasheet (10 pp, sha256
0afb0e48726ad8c8, 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).
# UDZVTE-174.3B
**ROHM Semicon** · Zener Diodes · SOD-323FL
UDZVTE-174.3B 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 | 4.17 | | 4.43 | V | Iz=5mA, Ta=25C, VZ test time 40ms | 2 |
| Dynamic Impedance | ZZ | | | 100 | Ω | Iz=5mA | 2 |
| Zener Impedance | ZZK | | | 1000 | Ω | Iz=1.0mA | 2 |
| Reverse Current | IR | | | 5 | μA | VR=1.0V | 2 |
| Power dissipation | PD | | | 200 | mW | Ta = 25℃ | 1 |
| Junction temperature | Tj | | | 150 | ℃ | Ta = 25℃ | 1 |
| Storage temperature | Tstg | -55 | | 150 | ℃ | Ta = 25℃ | 1 |
## CAD (KiCad official)
- Symbol: `UDZVTE-174.3B`
- Footprint: `Diode_SMD:D_SOD-323F`
- 3D model: SOD-323FL (KiCad packages3D, STEP)
- 3D model files: `udzvte-174-3b-etched.step` / `udzvte-174-3b-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `udzvte-174-3b.step` / `udzvte-174-3b.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [ROHM Semicon datasheet](docs/udzvte-174-3b-datasheet.pdf) (10 pp, sha256 `0afb0e48726ad8c8`, retrieved 2026-10-22, tier: manufacturer)
- **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/udzvte-174-3b-datasheet.pdf)