Overview
The SZMM3Z18VT1G is a Zener voltage regulator diode produced by onsemi, designed to provide voltage regulation and protection in a variety of applications. This component is part of the MM3ZxxxT1G series and is packaged in a SOD-323 surface mount package, making it ideal for situations where space is limited. The SZ prefix indicates that this device is AEC-Q101 qualified and PPAP capable, making it suitable for automotive and other applications requiring unique site and control change requirements.
Key Specifications
| Parameter | Symbol | Min | Nom | Max | Unit |
|---|---|---|---|---|---|
| Reverse Zener Voltage | VZ | 16.8 | 18 | 19.1 | V |
| Reverse Current | IZT | 5 | mA | ||
| Maximum Zener Impedance @ IZT | ZZT | 100 | Ω | ||
| Reverse Current | IZK | 15 | mA | ||
| Maximum Zener Impedance @ IZK | ZZK | 160 | Ω | ||
| Reverse Leakage Current @ VR | IR | 0.05 | μA | ||
| Steady State Power Rating | PD | 300 | mW | ||
| ESD Rating | > 16 kV | ||||
| Package Dimensions | 1.7 mm x 1.25 mm x 0.9 mm |
Key Features
- Standard Zener breakdown voltage range from 2.4 V to 75 V
- Steady state power rating of 300 mW
- Small body outline dimensions: 0.067” x 0.049” (1.7 mm x 1.25 mm) with a low body height of 0.035” (0.9 mm)
- ESD rating of Class 3 (> 16 kV) per Human Body Model
- AEC-Q101 qualified and PPAP capable for automotive and other applications requiring unique site and control change requirements
- Pb-free devices with corrosion-resistant external surfaces
Applications
The SZMM3Z18VT1G Zener diode is well suited for various applications where space is at a premium and voltage regulation is critical. These include:
- Cellular phones
- Handheld portables
- High density PC boards
- Automotive electronics
- Other applications requiring precise voltage regulation and protection
Q & A
- What is the package type of the SZMM3Z18VT1G?
The SZMM3Z18VT1G is packaged in a SOD-323 surface mount package.
- What is the steady state power rating of the SZMM3Z18VT1G?
The steady state power rating is 300 mW.
- What is the ESD rating of the SZMM3Z18VT1G?
The ESD rating is Class 3 (> 16 kV) per Human Body Model.
- Is the SZMM3Z18VT1G AEC-Q101 qualified?
- What are the typical applications for the SZMM3Z18VT1G?
Typical applications include cellular phones, handheld portables, high density PC boards, and automotive electronics.
- What is the reverse Zener voltage range for the SZMM3Z18VT1G?
The reverse Zener voltage range is from 16.8 V to 19.1 V.
- What is the maximum reverse current (IZK) for the SZMM3Z18VT1G?
The maximum reverse current (IZK) is 15 mA.
- Is the SZMM3Z18VT1G Pb-free?
- What are the dimensions of the SZMM3Z18VT1G package?
The package dimensions are 1.7 mm x 1.25 mm x 0.9 mm.
- What is the maximum temperature coefficient of VZ for the SZMM3Z18VT1G?
The maximum temperature coefficient of VZ is not explicitly stated, but generally, it is around -3.5 mV/K for similar devices in the series.
