Overview
The MMQA12VT1G is a quad monolithic silicon voltage suppressor designed by onsemi for applications requiring transient overvoltage protection. This device is part of the MMQA and SZMMQA Quad Common Anode Series and is intended for use in voltage and ESD sensitive equipment such as computers, printers, business machines, communication systems, medical equipment, and other similar applications. Its compact SC-74 package allows for the protection of four separate lines using a single device, making it ideal for situations where board space is limited.
Key Specifications
| Characteristic | Symbol | Value | Unit |
|---|---|---|---|
| Peak Power Dissipation @ 1.0 ms | Ppk | 24 | W |
| Peak Power Dissipation @ 20 μs | Ppk | 150 | W |
| Total Power Dissipation on FR-5 Board @ TA = 25°C | PD | 225 mW | mW/°C |
| Thermal Resistance from Junction-to-Ambient | RθJA | 556 °C/W | °C/W |
| Junction and Storage Temperature Range | TJ, Tstg | −55 to +150 | °C |
| Lead Solder Temperature - Maximum (10 Second Duration) | TL | 260 | °C |
| Breakdown Voltage (Max) | VZ | 12.6 | V |
| Reverse Leakage Current (Max) | IR | 75 nA | nA |
| Maximum Clamping Voltage @ Peak Pulse Current | VRSM | 17.3 V | V |
Key Features
- SC-74 package allows four separate unidirectional configurations.
- Peak power dissipation of 24 W @ 1.0 ms and 150 W @ 20 μs.
- Low leakage current of less than 2.0 μA.
- ESD rating of Class 3B (exceeding 16 kV) per the Human Body Model.
- SZ prefix for automotive and other applications requiring unique site and control change requirements; AEC-Q101 qualified and PPAP capable.
- Pb-free and RoHS compliant.
Applications
The MMQA12VT1G is suitable for a variety of applications, including:
- Computers and peripherals.
- Printers and business machines.
- Communication systems.
- Medical equipment.
- Any equipment requiring transient overvoltage protection and ESD protection.
Its quad junction common anode design makes it particularly useful in scenarios where board space is limited, such as in computer interfaces and microprocessor protection circuits.
Q & A
- What is the MMQA12VT1G used for? The MMQA12VT1G is used for transient overvoltage protection and ESD protection in various electronic devices.
- What package type does the MMQA12VT1G use? The MMQA12VT1G uses the SC-74 package.
- What is the peak power dissipation of the MMQA12VT1G? The peak power dissipation is 24 W @ 1.0 ms and 150 W @ 20 μs.
- What is the ESD rating of the MMQA12VT1G? The ESD rating is Class 3B, exceeding 16 kV per the Human Body Model.
- Is the MMQA12VT1G Pb-free and RoHS compliant? Yes, the MMQA12VT1G is Pb-free and RoHS compliant.
- What are the typical applications of the MMQA12VT1G? Typical applications include computers, printers, communication systems, and medical equipment.
- What is the junction and storage temperature range of the MMQA12VT1G? The junction and storage temperature range is −55 to +150°C.
- What is the maximum lead solder temperature for the MMQA12VT1G? The maximum lead solder temperature is 260°C for a 10-second duration.
- Is the MMQA12VT1G suitable for automotive applications? Yes, the SZ prefix version is AEC-Q101 qualified and PPAP capable, making it suitable for automotive applications.
- How many devices are typically shipped per reel? The devices are typically shipped in reels of 3,000 units.
