component
SZMMSZ5267BT1G
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.
README
markdownSZMMSZ5267BT1G
onsemi · Zener Diodes · SOD-123
SZMMSZ5267BT1G 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 is pin 1 of the SOD-123 package and is indicated by the polarity band on the device. |
| 2 | ANODE | passive | Anode is pin 2 of the SOD-123 package (Style 1). |
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 |
|---|---|---|---|---|---|---|---|
| Zener voltage (B suffix, 5% tolerance) | VZ | 71.25 | 75 | 78.75 | Volts | @ IZT = 1.7 mA; TA = 25°C; nominal in thermal equilibrium at TL = 30°C ±1°C | 3 |
| Maximum Zener impedance | ZZT | 270 | Ω | @ IZT = 1.7 mA; IZ(AC) = 0.1 IZ(dc), f = 1 kHz | 3 | ||
| Maximum Zener impedance | ZZK | 1700 | Ω | @ IZK = 0.25 mA; IZ(AC) = 0.1 IZ(dc), f = 1 kHz | 3 | ||
| Reverse leakage current | IR | 0.1 | A | @ VR = 56 V | 3 | ||
| Forward voltage | VF | 0.9 | V | @ IF = 10 mA | 2 | ||
| Total power dissipation on FR-5 board | PD | 500 | mW | Note 1, @ TL = 75°C; derated 6.7 mW/°C above 75°C | 1 | ||
| Junction and storage temperature range | TJ, Tstg | -55 | 150 | °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 |
CAD (KiCad official)
- Symbol:
SZMMSZ5267BT1G - Footprint:
Diode_SMD:D_SOD-123F - 3D model: SOD-123 (KiCad packages3D, STEP)
- 3D model files:
szmmsz5267bt1g-etched.step/szmmsz5267bt1g-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);szmmsz5267bt1g.step/szmmsz5267bt1g.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: onsemi datasheet (8 pp, sha256
86b7a7fdf285a0a8, 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).