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CMOZ1L8 TR PBFREE
Public Made by Adomby adom
Central Semicon Zener Diodes, SOD-523. 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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Contents
README
markdownCMOZ1L8 TR PBFREE
Central Semicon · Zener Diodes · SOD-523
CMOZ1L8 TR PBFREE from Central Semicon, in a SOD-523. 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 | Cathode | passive | Cathode of the zener diode; for CMOZ1L8 VZ is 1.71 V min, 1.8 V nominal, 1.89 V max at IZT=250 μA. |
| 2 | A | passive | Anode of the zener diode; forward voltage is 0.9 V max at IF=10 mA. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Central Semicon |
| Package | SOD-523 |
| 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 | 1.71 | 1.8 | 1.89 | V | @ IZT = 250 μA, TA=25°C | 1 |
| Maximum Zener Impedance | ZZT | 1400 | Ω | @ IZT = 250 μA | 1 | ||
| Maximum Reverse Current | IR | 25 | μA | @ VR = 1.0 V | 1 | ||
| Forward Voltage | VF | 0.9 | V | IF=10mA, TA=25°C | 1 | ||
| Power Dissipation | PD | 250 | mW | TA=25°C | 1 | ||
| Operating and Storage Junction Temperature | TJ, Tstg | -65 | 150 | °C | TA=25°C | 1 | |
| Thermal Resistance | ΘJA | 500 | °C/W | TA=25°C | 1 | ||
| Zener Voltage Tolerance | -5 | 5 | % | 1 | |||
| Zener Test Current | IZT | 250 | μA | 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 | tin | 1. If requesting Tin/Lead plated devices, add the suffix “ TIN/LEAD” to the part number when ordering (example: 2N2222A TIN/LEAD). | 3 |
CAD (KiCad official)
- Symbol:
CMOZ1L8 TR PBFREE - Footprint:
Diode_SMD:D_SOD-523 - 3D model: SOD-523 (KiCad packages3D, STEP)
- 3D model files:
cmoz1l8-tr-pbfree-etched.step/cmoz1l8-tr-pbfree-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);cmoz1l8-tr-pbfree.step/cmoz1l8-tr-pbfree.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Central Semicon datasheet (3 pp, sha256
24dc0a0ffa49acff, 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).