component
KDZVTR4.3B
Public Made by Adomby adom
ROHM Semicon Zener Diodes, SOD-123FL. 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
markdownKDZVTR4.3B
ROHM Semicon · Zener Diodes · SOD-123FL
KDZVTR4.3B from ROHM Semicon, in a SOD-123FL. 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-123FL |
| 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 | 4.3 | 4.8 | V | Ta = 25°C; Iz = 40 mA; VZ test time 40 ms | 2 | |
| Reverse current | IR | 20 | μA | VR = 1.0 V | 2 | ||
| Power dissipation | PD | 1000 | mW | Ta = 25°C | 1 | ||
| Junction temperature | Tj | 150 | ℃ | Ta = 25°C | 1 | ||
| Storage temperature | Tstg | -55 | 150 | ℃ | Ta = 25°C | 1 |
CAD (KiCad official)
- Symbol:
KDZVTR4.3B - Footprint:
Diode_SMD:D_SOD-123F - 3D model: SOD-123FL (KiCad packages3D, STEP)
- 3D model files:
kdzvtr4-3b-etched.step/kdzvtr4-3b-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);kdzvtr4-3b.step/kdzvtr4-3b.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: ROHM Semicon datasheet (10 pp, sha256
40937a93638a9ca4, retrieved 2026-10-21, 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).