1SMB5918BT3G

The 1SMB5918BT3G is a Zener diode manufactured by ON Semiconductor, designed for voltage regulation and protection applications. This component is part of the SMB (Surface Mount) series, which is known for its compact size and efficiency in various electronic circuits.

Key Features:

1. Zener Voltage: The 1SMB5918BT3G has a Zener voltage of 18V, making it suitable for applications requiring voltage clamping or regulation around this level.

2. Power Dissipation: It can handle a maximum power dissipation of 1W, which allows it to effectively manage heat generated during operation.

3. Package Type: The diode is housed in a SMB package, which is a surface-mount device (SMD) that provides a low profile and is ideal for automated assembly processes. The SMB package dimensions typically measure approximately 5.2mm x 4.6mm x 1.5mm.

4. Temperature Range: The operating temperature range for the 1SMB5918BT3G is from -55°C to +150°C, making it suitable for a wide variety of environmental conditions.

5. Reverse Leakage Current: The reverse leakage current is specified at a maximum of 5µA at the Zener voltage, ensuring minimal power loss during operation.

6. Applications: This Zener diode is commonly used in voltage regulation circuits, transient voltage suppression, and as a reference voltage source in various electronic devices. It is particularly useful in protecting sensitive components from voltage spikes.

7. Electrical Characteristics: The diode features a low dynamic impedance, which enhances its performance in voltage regulation applications. The breakdown voltage tolerance is typically ±5%, ensuring reliable operation within specified limits.

8. RoHS Compliance: The 1SMB5918BT3G is compliant with RoHS (Restriction of Hazardous Substances) standards, making it an environmentally friendly choice for modern electronic designs.

Summary:

The 1SMB5918BT3G from ON Semiconductor is a versatile Zener diode that combines compact size, efficient power handling, and a wide operating temperature range. Its design makes it ideal for applications in voltage regulation and protection, ensuring reliable performance in various electronic circuits.