component
SZMMSZ7V5T1G
Public Made by Adomby adom
onsemi Zener Diodes, SOD-123. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
Open in new tab ↗
Loads when you scroll to it. Unloads after 5 minutes in the background.
Symbol & Footprint
Schematic Symbol
Open full view ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
PCB Footprint
Open full view ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
Datasheet
Open in new tab ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
Contents
README
markdownSZMMSZ7V5T1G
onsemi · Zener Diodes · SOD-123
SZMMSZ7V5T1G from onsemi, in a SOD-123. 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 terminal of the Zener diode, identified on the package by the polarity band. |
| 2 | Anode | passive | Anode terminal of the Zener diode, opposite the cathode (polarity band) end. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | onsemi |
| Package | SOD-123 |
| 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 |
|---|---|---|---|---|---|---|---|
| Reverse Zener Voltage (VZ1), min | VZ1 | 7.13 | V | @ IZT1 = 5 mA, PW = 1 ms (Notes 3, 4) | 2 | ||
| Reverse Zener Voltage (VZ1), nominal | VZ1 | 7.5 | V | @ IZT1 = 5 mA, PW = 1 ms (Notes 3, 4) | 2 | ||
| Reverse Zener Voltage (VZ1), max | VZ1 | 7.88 | V | @ IZT1 = 5 mA, PW = 1 ms (Notes 3, 4) | 2 | ||
| Reverse Zener Voltage (VZ2), min | VZ2 | 6.9 | V | @ IZT2 = 1 mA, PW = 1 ms (Notes 3, 4) | 2 | ||
| Reverse Zener Voltage (VZ2), max | VZ2 | 7.9 | V | @ IZT2 = 1 mA, PW = 1 ms (Notes 3, 4) | 2 | ||
| Maximum Zener Impedance (ZZT1) | ZZT1 | 15 | Ω | @ IZT1 = 5 mA; IZ(AC) = 0.1 IZ(DC), f = 1 kHz (Note 5) | 2 | ||
| Maximum Zener Impedance (ZZT2) | ZZT2 | 80 | Ω | @ IZT2 = 1 mA; IZ(AC) = 0.1 IZ(DC), f = 1 kHz (Note 5) | 2 | ||
| Reverse Leakage Current (IR), max | IR | 1 | μA | @ VR = 5 V | 2 | ||
| Forward Voltage (VF), max | VF | 0.9 | V | @ IF = 10 mA (table header) | 2 | ||
| Zener voltage standard tolerance | -5 | 5 | % | Standard tolerance on nominal Zener voltage (Notes 3, 6) | 2 | ||
| Total Power Dissipation (PD) | PD | 500 | mW | On FR-5 board (Note 1), TL = 75°C | 1 | ||
| Derating factor above 75°C | PD | 6.7 | mW/°C | Derated above TL = 75°C | 1 | ||
| Thermal Resistance, Junction-to-Ambient | RJA | 340 | °C/W | Note 2 (infrared scan method) | 1 | ||
| Thermal Resistance, Junction-to-Lead | RJL | 150 | °C/W | Note 2 (infrared scan method) | 1 | ||
| Junction and Storage Temperature Range | TJ, Tstg | -55 | 150 | °C | 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 |
|---|---|---|---|---|
| housing | PPA | • ESD Rating of Class 3 (> 16 kV) per Human Body Model • AEC−Q101 Qualified and PPAP Capable | 1 |
CAD (KiCad official)
- Symbol:
SZMMSZ7V5T1G - Footprint:
Diode_SMD:D_SOD-123F - 3D model: SOD-123 (KiCad packages3D, STEP)
- 3D model files:
szmmsz7v5t1g-etched.step/szmmsz7v5t1g-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);szmmsz7v5t1g.step/szmmsz7v5t1g.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: onsemi datasheet (7 pp, sha256
7ac5ba1420aafd95, retrieved 2026-10-18, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-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).