Overview
The SZMMBZ15VALT1G is a dual monolithic silicon Zener diode produced by onsemi. It is designed for applications requiring transient overvoltage protection capability and is particularly suited for 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 ideal for high-density applications where board space is limited.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Working Peak Reverse Voltage (VRWM) | 15 | V |
| Standard Zener Breakdown Voltage (VBR) | 14.25 - 15.75 | V |
| Peak Power Dissipation @ 1.0 ms | 24 or 40 | W |
| Maximum Reverse Leakage Current (IR) @ VRWM | 50 nA | nA |
| Clamping Voltage @ Peak Pulse Current (VC) | 21 V | V |
| ESD Rating | Class 3B (> 16 kV) per Human Body Model, Class C (> 400 V) per Machine Model | |
| Package Type | SOT-23 (TO-236) | |
| Thermal Resistance Junction-to-Ambient (RJA) | 556 °C/W (FR-5 Board), 417 °C/W (Alumina Substrate) | °C/W |
| Junction and Storage Temperature Range | -55 to +150 °C | °C |
| Lead Solder Temperature | 260 °C (10 Second Duration) | °C |
Key Features
- SOT-23 package allowing either two separate unidirectional configurations or a single bidirectional configuration.
- Low leakage current of less than 5.0 µA.
- High ESD rating: Class 3B (> 16 kV) per the Human Body Model and Class C (> 400 V) per the Machine Model.
- AEC-Q101 qualified and PPAP capable, making it suitable for automotive and other demanding applications.
- Pb-free packages available.
- Small package size ideal for high-density applications.
- Corrosion resistant finish, easily solderable.
Applications
- Voltage regulation and waveform clipping in various electronic systems.
- MOSFET gate protection.
- Transient overvoltage protection in computers, printers, business machines, communication systems, and medical equipment.
- General usage in many different end products where overvoltage protection is necessary.
Q & A
- What is the primary function of the SZMMBZ15VALT1G Zener diode?
The primary function is to provide transient overvoltage protection in electronic circuits. - What is the working peak reverse voltage (VRWM) of the SZMMBZ15VALT1G?
The VRWM is 15 V. - What is the standard Zener breakdown voltage range for this device?
The standard Zener breakdown voltage range is 14.25 - 15.75 V. - What is the peak power dissipation capability of the SZMMBZ15VALT1G?
The peak power dissipation is 24 or 40 W @ 1.0 ms. - What is the ESD rating of the SZMMBZ15VALT1G?
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 is used for the SZMMBZ15VALT1G?
The package type is SOT-23 (TO-236). - Is the SZMMBZ15VALT1G suitable for automotive applications?
Yes, it is AEC-Q101 qualified and PPAP capable, making it suitable for automotive and other demanding applications. - What is the thermal resistance junction-to-ambient (RJA) for this device?
The RJA is 556 °C/W on an FR-5 board and 417 °C/W on an alumina substrate. - What is the junction and storage temperature range for the SZMMBZ15VALT1G?
The junction and storage temperature range is -55 to +150 °C. - What is the lead solder temperature for the SZMMBZ15VALT1G?
The lead solder temperature is 260 °C for a 10-second duration.
