Overview
The MMBZ33VALT1G is a dual monolithic silicon Zener diode produced by onsemi. It is designed for applications requiring transient overvoltage protection capability and is ideal for use in voltage and ESD sensitive equipment such as computers, printers, business machines, communication systems, and medical equipment. The device features a dual junction common anode design, which protects two separate lines using only one package, making it suitable for situations where board space is limited.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Standard Zener Breakdown Voltage | 33 | V |
| Peak Power Dissipation @ 1.0 ms | 24 or 40 | W |
| Total Power Dissipation on FR-5 Board @ TA = 25°C | 225 | mW |
| Thermal Resistance Junction-to-Ambient | 556 | °C/W |
| Maximum Reverse Leakage Current @ VRWM | < 5.0 | µA |
| ESD Rating | Class 3B (> 16 kV) per Human Body Model | |
| Package Type | SOT-23 (TO-236) | |
| Maximum Case Temperature for Soldering | 260°C for 10 seconds | |
| Flammability Rating | UL 94V-O |
Key Features
- SOT-23 package allows either two separate unidirectional configurations or a single bidirectional configuration.
- Standard Zener breakdown voltage range from 5.6 V to 47 V.
- Peak power dissipation of 24 or 40 watts @ 1.0 ms (unidirectional).
- ESD rating: Class 3B (> 16 kV) per the Human Body Model and Class C (> 400 V) per the Machine Model.
- Low leakage current < 5.0 µA.
- Corrosion-resistant finish, easily solderable.
- Package designed for optimal automated board assembly.
- Small package size for high-density applications.
- AEC-Q101 qualified and PPAP capable.
Applications
The MMBZ33VALT1G is suitable for various applications, including:
- Voltage regulation and waveform clipping.
- MOSFET gate protection.
- General usage in voltage and ESD sensitive equipment such as computers, printers, business machines, and communication systems.
- Medical equipment and other applications where transient overvoltage protection is necessary.
Q & A
- What is the primary function of the MMBZ33VALT1G Zener diode?
The primary function is to provide transient overvoltage protection in various electronic devices.
- What is the standard Zener breakdown voltage of the MMBZ33VALT1G?
The standard Zener breakdown voltage is 33 V.
- What is the peak power dissipation of the MMBZ33VALT1G?
The peak power dissipation is 24 or 40 watts @ 1.0 ms (unidirectional).
- What is the ESD rating of the MMBZ33VALT1G?
The ESD rating is Class 3B (> 16 kV) per the Human Body Model and Class C (> 400 V) per the Machine Model.
- What package type does the MMBZ33VALT1G use?
The package type is SOT-23 (TO-236).
- Is the MMBZ33VALT1G suitable for high-density applications?
- Is the MMBZ33VALT1G AEC-Q101 qualified?
- What is the maximum case temperature for soldering the MMBZ33VALT1G?
The maximum case temperature for soldering is 260°C for 10 seconds.
- What is the flammability rating of the MMBZ33VALT1G?
The flammability rating is UL 94V-O.
- Can the MMBZ33VALT1G be used in bidirectional configurations?
