SZMM5Z6V8T1G

onsemi · Zener Diodes · SOD-523

SZMM5Z6V8T1G 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 (polarity band) of the Zener diode; Zener breakdown voltage VZ is 6.4 V min to 7.2 V max (6.8 V nom) at IZT = 5 mA for this device.
2	Anode	passive	Anode of the Zener diode; forward voltage VF is 0.9 V max at IF = 10 mA.

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
Zener Voltage VZ1	VZ1	6.4	6.8	7.2	V	IZT1 = 5 mA, TA = 25°C	3
Zener Voltage VZ2	VZ2	6.3		7.2	V	IZT2 = 1 mA, TA = 25°C	3
Maximum Zener Impedance	ZZT			15	Ω	@ IZT	3
Maximum Zener Impedance	ZZK			160	Ω	@ IZK = 1.0 mA	3
Reverse Leakage Current	IR			2	µA	@ VR = 4.0 V	3
Temperature Coefficient of VZ	VZ	1.2		4.5	mV/k	@ IZT	3
Maximum Capacitance	C			155	pF	VR = 0, f = 1 MHz	3
Forward Voltage	VF			0.9	V	IF = 10 mA	2
Total Device Dissipation	PD			500	mW	FR-4 board, TA = 25°C	1
Power Derating above 25°C	PD			4	mW/°C	Derate above 25°C	1
Thermal Resistance, Junction-to-Ambient	RθJA			250	°C/W	FR-4 board, single-sided copper, mounting pad 1 cm2	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	LEAD FINISH: 100% Matte Sn (Tin) MOUNTING POSITION: Any	1

CAD (KiCad official)

Symbol: SZMM5Z6V8T1G
Footprint: Diode_SMD:D_SOD-523
3D model: SOD-523 (KiCad packages3D, STEP)
3D model files: szmm5z6v8t1g-etched.step / szmm5z6v8t1g-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); szmm5z6v8t1g.step / szmm5z6v8t1g.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

Datasheet: onsemi datasheet (5 pp, sha256 2aa42b06bd6b6b65, retrieved 2026-10-23, tier: manufacturer)
Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-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

# SZMM5Z6V8T1G

**onsemi** · Zener Diodes · SOD-523

SZMM5Z6V8T1G 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 (polarity band) of the Zener diode; Zener breakdown voltage VZ is 6.4 V min to 7.2 V max (6.8 V nom) at IZT = 5 mA for this device. |
| 2 | Anode | passive | Anode of the Zener diode; forward voltage VF is 0.9 V max at IF = 10 mA. |

## 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 |
|---|---|---|---|---|---|---|---|
| Zener Voltage VZ1 | VZ1 | 6.4 | 6.8 | 7.2 | V | IZT1 = 5 mA, TA = 25°C | 3 |
| Zener Voltage VZ2 | VZ2 | 6.3 |  | 7.2 | V | IZT2 = 1 mA, TA = 25°C | 3 |
| Maximum Zener Impedance | ZZT |  |  | 15 | Ω | @ IZT | 3 |
| Maximum Zener Impedance | ZZK |  |  | 160 | Ω | @ IZK = 1.0 mA | 3 |
| Reverse Leakage Current | IR |  |  | 2 | µA | @ VR = 4.0 V | 3 |
| Temperature Coefficient of VZ | VZ | 1.2 |  | 4.5 | mV/k | @ IZT | 3 |
| Maximum Capacitance | C |  |  | 155 | pF | VR = 0, f = 1 MHz | 3 |
| Forward Voltage | VF |  |  | 0.9 | V | IF = 10 mA | 2 |
| Total Device Dissipation | PD |  |  | 500 | mW | FR-4 board, TA = 25°C | 1 |
| Power Derating above 25°C | PD |  |  | 4 | mW/°C | Derate above 25°C | 1 |
| Thermal Resistance, Junction-to-Ambient | RθJA |  |  | 250 | °C/W | FR-4 board, single-sided copper, mounting pad 1 cm2 | 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 | LEAD FINISH: 100% Matte Sn (Tin) MOUNTING POSITION: Any | 1 |

## CAD (KiCad official)

- Symbol: `SZMM5Z6V8T1G`
- Footprint: `Diode_SMD:D_SOD-523`
- 3D model: SOD-523 (KiCad packages3D, STEP)
- 3D model files: `szmm5z6v8t1g-etched.step` / `szmm5z6v8t1g-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `szmm5z6v8t1g.step` / `szmm5z6v8t1g.glb` are the bare package body.

## Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

- **Datasheet:** [onsemi datasheet](https://www.onsemi.com/pdf/datasheet/szmm5z6v8t1-d.pdf) (5 pp, sha256 `2aa42b06bd6b6b65`, retrieved 2026-10-23, tier: manufacturer)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-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/szmm5z6v8t1g-datasheet.pdf)