component
DZL4738
Public Made by Adomby adom
LGE Zener Diodes, SOD-123FL. Pinout cross-checked by two models against the datasheet, 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
markdownDZL4738
LGE · Zener Diodes · SOD-123FL
DZL4738 from LGE, 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, marked by the laser band on the SOD-123FL package; the Zener voltage for DZL4738 is 7.79 V min, 8.2 V nom, 8.61 V max at IZT = 31 mA. |
| 2 | A | passive | Anode, the terminal opposite the cathode band; total power dissipation is 1.0 W with a junction temperature of 150 °C. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | LGE |
| 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 (min/max) | VZ | 7.79 | 8.2 | 8.61 | V | @IZT | 2 |
| Zener test current | IZT | 31 | mA | 2 | |||
| Zener impedance | ZZT | 4.5 | Ω | @IZT | 2 | ||
| Knee zener impedance | ZZK | 700 | Ω | @IZK = 0.5 mA | 2 | ||
| Leakage current | IR | 10 | uA | @VR = 6.0 V | 2 | ||
| Power dissipation | PW | 1 | W | TA = 25 °C | 1 | ||
| Junction temperature | TJ | 150 | °C | TA = 25 °C | 1 | ||
| Storage temperature range | TSTG | -55 | 150 | °C | TA = 25 °C | 1 |
CAD (KiCad official)
- Symbol:
DZL4738 - Footprint:
Diode_SMD:D_SOD-123F - 3D model: SOD-123FL (KiCad packages3D, STEP)
- 3D model files:
dzl4738-etched.step/dzl4738-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);dzl4738.step/dzl4738.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: LGE datasheet (2 pp, sha256
c6d82f84be6448d3, retrieved 2026-10-22, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text), consensusclaude-sonnet-5-5(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).