component
SZMM3Z4V7T1G
Public Made by Adomby adom
onsemi Zener Diodes, SOD-323. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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SZMM3Z4V7T1G
onsemi · Zener Diodes · SOD-323
SZMM3Z4V7T1G from onsemi, in a SOD-323. 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; the datasheet gives no additional electrical limits specific to this pin. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | onsemi |
| Package | SOD-323 |
| 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 | VZ | 4.4 | 4.7 | 5 | V | @ IZT = 5 mA | 2 |
| Maximum Zener Impedance | ZZT | 80 | Ω | @ IZT = 5 mA | 2 | ||
| Maximum Zener Impedance | ZZK | 800 | Ω | @ IZK = 0.5 mA | 2 | ||
| Reverse Leakage Current | IR | 3 | µA | @ VR = 2.0 V | 2 | ||
| Maximum Temperature Coefficient of VZ | VZ | -3.5 | 0.2 | mV/k | 2 | ||
| Max. Capacitance | C | 260 | pF | @ VR = 0 and f = 1 MHz | 2 | ||
| Forward Voltage | VF | 0.9 | V | @ IF = 10 mA | 2 | ||
| Total Device Dissipation FR-4 Board | PD | 300 | mW | FR−4 Board, (Note 1) @ TA = 25°C | 1 | ||
| Thermal Resistance, Junction-to-Ambient | RJA | 416 | °C/W | 1 | |||
| Junction and Storage Temperature Range | TJ, Tstg | -65 | 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 |
|---|---|---|---|---|
| contacts | tin | LEADS: Plated with Pb−Sn or Sn Only (Pb−Free) POLARITY: Cathode Indicated by Polarity Band | 1 |
CAD (KiCad official)
- Symbol:
SZMM3Z4V7T1G - Footprint:
Diode_SMD:D_SOD-323 - 3D model: SOD-323 (KiCad packages3D, STEP)
- 3D model files:
szmm3z4v7t1g-etched.step/szmm3z4v7t1g-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);szmm3z4v7t1g.step/szmm3z4v7t1g.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: onsemi datasheet (5 pp, sha256
c3256d6f49d685e2, retrieved 2026-10-22, 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).
# SZMM3Z4V7T1G
**onsemi** · Zener Diodes · SOD-323
SZMM3Z4V7T1G from onsemi, in a SOD-323. 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; the datasheet gives no additional electrical limits specific to this pin. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | onsemi |
| Package | SOD-323 |
| 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 | VZ | 4.4 | 4.7 | 5 | V | @ IZT = 5 mA | 2 |
| Maximum Zener Impedance | ZZT | | | 80 | Ω | @ IZT = 5 mA | 2 |
| Maximum Zener Impedance | ZZK | | | 800 | Ω | @ IZK = 0.5 mA | 2 |
| Reverse Leakage Current | IR | | | 3 | µA | @ VR = 2.0 V | 2 |
| Maximum Temperature Coefficient of VZ | VZ | -3.5 | | 0.2 | mV/k | | 2 |
| Max. Capacitance | C | | | 260 | pF | @ VR = 0 and f = 1 MHz | 2 |
| Forward Voltage | VF | | | 0.9 | V | @ IF = 10 mA | 2 |
| Total Device Dissipation FR-4 Board | PD | | | 300 | mW | FR−4 Board, (Note 1) @ TA = 25°C | 1 |
| Thermal Resistance, Junction-to-Ambient | RJA | | | 416 | °C/W | | 1 |
| Junction and Storage Temperature Range | TJ, Tstg | -65 | | 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 |
|---|---|---|---|---|
| contacts | | tin | LEADS: Plated with Pb−Sn or Sn Only (Pb−Free) POLARITY: Cathode Indicated by Polarity Band | 1 |
## CAD (KiCad official)
- Symbol: `SZMM3Z4V7T1G`
- Footprint: `Diode_SMD:D_SOD-323`
- 3D model: SOD-323 (KiCad packages3D, STEP)
- 3D model files: `szmm3z4v7t1g-etched.step` / `szmm3z4v7t1g-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `szmm3z4v7t1g.step` / `szmm3z4v7t1g.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/8588914322688499712) (5 pp, sha256 `c3256d6f49d685e2`, retrieved 2026-10-22, 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/szmm3z4v7t1g-datasheet.pdf)