component
SMF4738A
Public Made by Adomby adom
ZHIDE 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
markdownSMF4738A
ZHIDE · Zener Diodes · SOD-123FL
SMF4738A from ZHIDE, 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 | ZHIDE |
| 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 | 7.79 | 8.2 | 8.61 | V | @IZT (test current per table header) | 3 |
| Maximum Zener impedance | ZZT | 31 | Ω | @IZT = 5 mA | 3 | ||
| Maximum Zener impedance at IZK | ZZK | 700 | Ω | @IZK = 0.50 mA | 3 | ||
| Maximum reverse leakage current | IR | 10 | uA | @VR = 6.0 V | 3 | ||
| Maximum DC Zener current | IZM | 110 | mA | 3 | |||
| Maximum forward voltage | VF | 1.2 | V | IF = 200 mA | 1 | ||
| DC power dissipation | PD | 1 | W | TL = 75 °C (lead temperature at 3/8 in from body) | 1 | ||
| Junction temperature range | TJ，TSTG | -55 | 150 | ℃ | 1 | ||
| Storage temperature range | TJ，TSTG | -55 | 150 | ℃ | 1 |
CAD (KiCad official)
- Symbol:
SMF4738A - Footprint:
Diode_SMD:D_SOD-123F - 3D model: SOD-123FL (KiCad packages3D, STEP)
- 3D model files:
smf4738a-etched.step/smf4738a-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);smf4738a.step/smf4738a.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: ZHIDE datasheet (3 pp, sha256
c1c1f3bc25a0feef, 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).