Overview
The 1SMB5917BT3G is a 3 Watt plastic surface mount Zener voltage regulator produced by onsemi. This component is designed to provide voltage regulation and protection in various electronic circuits. It is part of the SMB (DO-214AA) package family, known for its compact size and high power handling capabilities. The 1SMB5917BT3G is suitable for applications requiring a stable voltage reference and overvoltage protection.
Key Specifications
| Parameter | Value |
|---|---|
| Voltage Tolerance | 5% |
| Zener Voltage (Vz) | 4.46V to 4.94V |
| Maximum Power Dissipation | 3 Watts |
| Maximum Reverse Leakage Current (Ir) | 5 µA @ 1.5 V |
| Zener Impedance (Zzt) | 5 Ohms |
| Forward Voltage (Vf) | 1.5 V @ 200 mA |
| Operating Temperature Range | -65°C to 150°C |
| Package Type | SMB (DO-214AA) |
Key Features
- High power dissipation of 3 Watts, making it suitable for demanding applications.
- Compact SMB (DO-214AA) package for space-saving designs.
- Low Zener impedance of 5 Ohms for stable voltage regulation.
- Low reverse leakage current of 5 µA, reducing power consumption.
- Wide operating temperature range from -65°C to 150°C.
- ROHS compliant, ensuring environmental sustainability.
Applications
The 1SMB5917BT3G is versatile and can be used in a variety of applications, including:
- Voltage regulation and stabilization in power supplies.
- Overvoltage protection in electronic circuits.
- Signal clipping and clamping.
- Surge protection and transient voltage suppression.
- Aerospace, automotive, and industrial control systems where high reliability is required.
Q & A
- What is the maximum power dissipation of the 1SMB5917BT3G?
The maximum power dissipation is 3 Watts. - What is the Zener voltage range of the 1SMB5917BT3G?
The Zener voltage range is from 4.46V to 4.94V. - What is the package type of the 1SMB5917BT3G?
The package type is SMB (DO-214AA). - What is the maximum reverse leakage current of the 1SMB5917BT3G?
The maximum reverse leakage current is 5 µA @ 1.5 V. - Is the 1SMB5917BT3G ROHS compliant?
Yes, the 1SMB5917BT3G is ROHS compliant. - What is the operating temperature range of the 1SMB5917BT3G?
The operating temperature range is from -65°C to 150°C. - What is the forward voltage of the 1SMB5917BT3G?
The forward voltage is 1.5 V @ 200 mA. - What is the Zener impedance of the 1SMB5917BT3G?
The Zener impedance is 5 Ohms. - In what types of applications is the 1SMB5917BT3G commonly used?
The 1SMB5917BT3G is commonly used in voltage regulation, overvoltage protection, signal clipping, and surge protection applications. - Where can I find detailed specifications and datasheets for the 1SMB5917BT3G?
Detailed specifications and datasheets can be found on official websites such as onsemi, as well as on distributor sites like Mouser, Digi-Key, and Avnet.
