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SZMM5Z3V6T1G
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onsemi Zener Diodes, SOD-523. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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SZMM5Z3V6T1G
onsemi · Zener Diodes · SOD-523
SZMM5Z3V6T1G from onsemi, 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 terminal, marked by the polarity band on the SOD-523 package (STYLE 1: PIN 1 CATHODE (POLARITY BAND)). |
| 2 | Anode | passive | Anode terminal of the Zener diode, paired with the cathode at pin 1. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | onsemi |
| 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 |
|---|---|---|---|---|---|---|---|
| Reverse Zener Voltage (nominal 3.6 V, Standard Tolerance) | VZ1 | 3.4 | 3.6 | 3.8 | V | @ IZT1 = 5 mA (Note 1); pulse test at 25°C (Note 2) | 3 |
| Reverse Zener Voltage | VZ2 | 2.7 | 3.3 | V | @ IZT2 = 1 mA (Note 1) | 3 | |
| Maximum Zener Impedance | ZZT | 90 | Ω | @ IZT (5 mA per Note 1 for 2.4 to 24 V) | 3 | ||
| Maximum Zener Impedance | ZZK | 1000 | Ω | @ IZK = 1.0 mA | 3 | ||
| Reverse Leakage Current | IR | 5 | µA | @ VR = 1.0 V | 3 | ||
| Maximum Temperature Coefficient of VZ | VZ | -3.5 | 0 | mV/k | @ IZT | 3 | |
| Max. Capacitance | C | 450 | pF | @ VR = 0, f = 1 MHz | 3 | ||
| Forward Voltage | VF | 0.9 | V | @ IF = 10 mA (stated for all types, page 2 and 3 header) | 3 | ||
| Total Device Dissipation FR-4 Board (Note 1) | PD | 500 | mW | @ TA = 25°C; FR-4 PCB, single-sided copper, mounting pad 1 cm² (Note 1) | 1 | ||
| Junction and Storage Temperature Range | TJ, Tstg | -65 | 150 | °C | 1 | ||
| Thermal Resistance, Junction-to-Ambient (Note 1) | RJA | 250 | °C/W | FR-4 PCB, mounting pad 1 cm² (Note 1) | 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 | LEAD FINISH: 100% Matte Sn (Tin) MOUNTING POSITION: Any | 1 |
CAD (KiCad official)
- Symbol:
SZMM5Z3V6T1G - Footprint:
Diode_SMD:D_SOD-523 - 3D model: SOD-523 (KiCad packages3D, STEP)
- 3D model files:
szmm5z3v6t1g-etched.step/szmm5z3v6t1g-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);szmm5z3v6t1g.step/szmm5z3v6t1g.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: onsemi datasheet (5 pp, sha256
4cce2c0e03206b6c, retrieved 2026-10-16, 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).
# SZMM5Z3V6T1G
**onsemi** · Zener Diodes · SOD-523
SZMM5Z3V6T1G from onsemi, 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 terminal, marked by the polarity band on the SOD-523 package (STYLE 1: PIN 1 CATHODE (POLARITY BAND)). |
| 2 | Anode | passive | Anode terminal of the Zener diode, paired with the cathode at pin 1. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | onsemi |
| 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 |
|---|---|---|---|---|---|---|---|
| Reverse Zener Voltage (nominal 3.6 V, Standard Tolerance) | VZ1 | 3.4 | 3.6 | 3.8 | V | @ IZT1 = 5 mA (Note 1); pulse test at 25°C (Note 2) | 3 |
| Reverse Zener Voltage | VZ2 | 2.7 | | 3.3 | V | @ IZT2 = 1 mA (Note 1) | 3 |
| Maximum Zener Impedance | ZZT | | | 90 | Ω | @ IZT (5 mA per Note 1 for 2.4 to 24 V) | 3 |
| Maximum Zener Impedance | ZZK | | | 1000 | Ω | @ IZK = 1.0 mA | 3 |
| Reverse Leakage Current | IR | | | 5 | µA | @ VR = 1.0 V | 3 |
| Maximum Temperature Coefficient of VZ | VZ | -3.5 | | 0 | mV/k | @ IZT | 3 |
| Max. Capacitance | C | | | 450 | pF | @ VR = 0, f = 1 MHz | 3 |
| Forward Voltage | VF | | | 0.9 | V | @ IF = 10 mA (stated for all types, page 2 and 3 header) | 3 |
| Total Device Dissipation FR-4 Board (Note 1) | PD | | | 500 | mW | @ TA = 25°C; FR-4 PCB, single-sided copper, mounting pad 1 cm² (Note 1) | 1 |
| Junction and Storage Temperature Range | TJ, Tstg | -65 | | 150 | °C | | 1 |
| Thermal Resistance, Junction-to-Ambient (Note 1) | RJA | | | 250 | °C/W | FR-4 PCB, mounting pad 1 cm² (Note 1) | 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 | LEAD FINISH: 100% Matte Sn (Tin) MOUNTING POSITION: Any | 1 |
## CAD (KiCad official)
- Symbol: `SZMM5Z3V6T1G`
- Footprint: `Diode_SMD:D_SOD-523`
- 3D model: SOD-523 (KiCad packages3D, STEP)
- 3D model files: `szmm5z3v6t1g-etched.step` / `szmm5z3v6t1g-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `szmm5z3v6t1g.step` / `szmm5z3v6t1g.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [onsemi datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589987180836642816) (5 pp, sha256 `4cce2c0e03206b6c`, retrieved 2026-10-16, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (text), consensus `claude-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).
[Datasheet PDF](docs/szmm5z3v6t1g-datasheet.pdf)