component
CZRFR52C4V3-HF
Public Made by Adomby adom
Comchip Zener Diodes, SOD-323F. 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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Contents
README
markdownCZRFR52C4V3-HF
Comchip · Zener Diodes · SOD-323F
CZRFR52C4V3-HF from Comchip, in a SOD-323F. 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 | Comchip |
| Package | SOD-323F |
| 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 | 4.09 | 4.52 | V | IZ = 5 mA | 2 | |
| Zener operating resistance | ZZT | 95 | Ohm | IZ = 5 mA | 2 | ||
| Zener operating resistance (rising) | ZZK | 500 | Ohm | IZ = 5 mA (column label as extracted; verify, ZZK is usually specified at a lower current) | 2 | ||
| Reverse current | IR | 5 | uA | VR = 2 V (VR column position-matched; verify) | 2 | ||
| Maximum forward voltage drop | VF | 0.9 | V | IF = 10 mA | 1 | ||
| Maximum power dissipation | PD | 350 | mW | at 25 °C | 1 | ||
| Forward current, surge peak | IFSM | 2 | A | 8.3 ms single half sine-wave superimposed on rated load (JEDEC method) | 1 | ||
| Operating junction and storage temperature range | TJ | -55 | 125 | °C | Operating junction and storage | 1 | |
| Peak ESD voltage capability | VPV | 8 | kV | IEC 61000-4-2 | 1 |
Materials and finish
As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).
| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| contacts | gold | -Terminals: Gold plated, solderable per MIL-STD-750,method 2026. | 1 |
CAD (KiCad official)
- Symbol:
CZRFR52C4V3-HF - Footprint:
Diode_SMD:D_SOD-323F - 3D model: SOD-323F (KiCad packages3D, STEP)
- 3D model files:
czrfr52c4v3-hf-etched.step/czrfr52c4v3-hf-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);czrfr52c4v3-hf.step/czrfr52c4v3-hf.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Comchip datasheet (6 pp, sha256
35bf7430bad6a6c6, 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).