Overview
The MM3Z43VT1G is a general-purpose Zener diode produced by onsemi, designed for voltage regulation and protection in various electronic applications. This device is part of the MM3ZxxxT1G series and is packaged in a small SOD-323 (SC-76) surface-mount device (SMD) plastic package. It is particularly suitable for applications where space is limited, such as in cellular phones, handheld portables, and high-density PC boards.
Key Specifications
| Parameter | Symbol | Min | Nom | Max | Unit |
|---|---|---|---|---|---|
| Zener Voltage | VZ | 40 | 43 | 46 | V |
| Reverse Current at VZ | IZT | - | 5 | - | mA |
| Maximum Zener Impedance at IZT | ZZT | - | 100 | - | Ω |
| Reverse Leakage Current at VR | IR | - | 0.05 | - | μA |
| Forward Voltage at IF | VF | - | 0.9 | - | V |
| Steady State Power Rating | PD | - | 500 | - | mW |
| Thermal Resistance from Junction to Ambient | RJA | - | 416 | - | °C/W |
| Junction and Storage Temperature Range | TJ, Tstg | -65 | - | +150 | °C |
Key Features
- Standard Zener breakdown voltage range from 2.4 V to 75 V, with this specific model at 43 V nominal.
- Steady state power rating of 500 mW, suitable for high-density applications.
- Small body outline dimensions: 0.067” x 0.049” (1.7 mm x 1.25 mm) and low body height of 0.035” (0.9 mm).
- ESD rating of Class 3 (> 16 kV) per Human Body Model, ensuring robust protection against electrostatic discharge.
- AEC-Q101 qualified and PPAP capable, making it suitable for automotive and other applications requiring unique site and control change requirements.
- Pb-free device, compliant with environmental regulations.
Applications
- Cellular phones and other mobile devices due to its small size and high power dissipation capabilities.
- Handheld portables and other compact electronic devices where space is limited.
- High-density PC boards and other applications requiring efficient voltage regulation in a small footprint.
- Automotive applications due to its AEC-Q101 qualification and PPAP capability).
Q & A
- What is the nominal Zener voltage of the MM3Z43VT1G?
The nominal Zener voltage of the MM3Z43VT1G is 43 V.
- What is the steady state power rating of the MM3Z43VT1G?
The steady state power rating of the MM3Z43VT1G is 500 mW.
- What is the package type and dimensions of the MM3Z43VT1G?
The MM3Z43VT1G is packaged in a SOD-323 (SC-76) surface-mount device with dimensions of 0.067” x 0.049” (1.7 mm x 1.25 mm) and a height of 0.035” (0.9 mm)).
- Is the MM3Z43VT1G Pb-free?
Yes, the MM3Z43VT1G is a Pb-free device).
- What is the ESD rating of the MM3Z43VT1G?
The MM3Z43VT1G has an ESD rating of Class 3 (> 16 kV) per Human Body Model).
- Is the MM3Z43VT1G suitable for automotive applications?
Yes, the MM3Z43VT1G is AEC-Q101 qualified and PPAP capable, making it suitable for automotive and other applications requiring unique site and control change requirements).
- What is the thermal resistance from junction to ambient for the MM3Z43VT1G?
The thermal resistance from junction to ambient for the MM3Z43VT1G is 416 °C/W).
- What is the junction and storage temperature range for the MM3Z43VT1G?
The junction and storage temperature range for the MM3Z43VT1G is -65°C to +150°C).
- What are some typical applications of the MM3Z43VT1G?
The MM3Z43VT1G is typically used in cellular phones, handheld portables, high-density PC boards, and automotive applications).
- How does the MM3Z43VT1G handle reverse leakage current?
The MM3Z43VT1G has a reverse leakage current of 0.05 μA at the specified reverse voltage).
