Overview
The MMQA6V8T1G is a quad monolithic silicon voltage suppressor produced by onsemi, designed for applications requiring transient overvoltage protection capability. This device is part of the MMQA and SZMMQA Quad Common Anode Series and is ideal for protecting voltage and ESD sensitive equipment such as computers, printers, business machines, communication systems, and medical equipment. The SC−74 package allows for four separate unidirectional configurations, making it highly versatile and space-efficient.
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 | VZ | 6.46 - 6.8 - 7.14 | V |
| Reverse Leakage Current | IR | 500 nA | nA |
| Maximum Clamping Voltage @ Peak Pulse Current | VRSM | 9.8 V | V |
Key Features
- SC−74 Package Allows Four Separate Unidirectional Configurations
- Peak Power − Min. 24 W @ 1.0 ms (Unidirectional), Min. 150 W @ 20 μs (Unidirectional)
- Low Leakage < 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 MMQA6V8T1G is suitable for a variety of applications, including protection of voltage and ESD sensitive equipment such as computers, printers, business machines, communication systems, and medical equipment. Its quad junction common anode design makes it particularly useful in situations where board space is limited, allowing for the protection of four separate lines using only one package.
Example applications include:
- Computer interfaces
- Microprocessor protection
- Keyboard and terminal protection
- Printer protection
Q & A
- What is the MMQA6V8T1G used for? The MMQA6V8T1G is used for transient overvoltage protection in voltage and ESD sensitive equipment.
- What package type does the MMQA6V8T1G use? The MMQA6V8T1G uses an SC−74 package.
- What is the peak power dissipation of the MMQA6V8T1G? The peak power dissipation is 24 W @ 1.0 ms and 150 W @ 20 μs.
- What is the thermal resistance from junction-to-ambient for the MMQA6V8T1G? The thermal resistance from junction-to-ambient is 556 °C/W.
- Is the MMQA6V8T1G ESD rated? Yes, it has an ESD rating of Class 3B (exceeding 16 kV) per the Human Body Model.
- Is the MMQA6V8T1G Pb−Free and RoHS compliant? Yes, it is Pb−Free and RoHS compliant.
- What are some common applications of the MMQA6V8T1G? Common applications include computer interfaces, microprocessor protection, keyboard and terminal protection, and printer protection.
- What is the breakdown voltage range of the MMQA6V8T1G? The breakdown voltage range is 6.46 - 6.8 - 7.14 V.
- What is the maximum clamping voltage @ peak pulse current for the MMQA6V8T1G? The maximum clamping voltage @ peak pulse current is 9.8 V.
- What is the reverse leakage current of the MMQA6V8T1G? The reverse leakage current is 500 nA.
- Is the MMQA6V8T1G suitable for automotive applications? Yes, it is AEC−Q101 Qualified and PPAP Capable, making it suitable for automotive and other applications requiring unique site and control change requirements.
