1SMA5914BT3G

The 1SMA5914BT3G is a Zener diode manufactured by ON Semiconductor, designed for voltage regulation and protection applications. This component is part of the SMA series of Zener diodes, which are known for their reliability and efficiency in various electronic circuits.

Key Features:

1. Zener Voltage: The 1SMA5914BT3G has a Zener voltage of 12V, which means it can maintain a stable voltage of approximately 12 volts across its terminals when reverse-biased.

2. Power Dissipation: This diode can handle a maximum power dissipation of 1 watt, making it suitable for applications where moderate power levels are involved.

3. Package Type: The diode is housed in a DO-214AC (SMA) package, which is a surface-mount device (SMD) that provides a compact footprint, allowing for efficient use of space on printed circuit boards (PCBs).

4. Temperature Range: The operating temperature range for the 1SMA5914BT3G is typically from -55°C to +150°C, making it suitable for use in a variety of environmental conditions, including automotive and industrial applications.

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

6. Capacitance: The diode exhibits low capacitance, which is beneficial for high-frequency applications, reducing the risk of signal distortion.

7. Applications: The 1SMA5914BT3G is commonly used in voltage regulation, transient voltage suppression, and as a reference voltage source in various electronic circuits. It is ideal for protecting sensitive components from voltage spikes and ensuring stable operation in power supply circuits.

8. Marking: The diode is typically marked with its part number for easy identification on PCBs.

Electrical Characteristics:

• Zener Voltage (Vz): 12V
• Test Current (Iz): 20 mA
• Maximum Reverse Current (Ir): 5 µA at Vz
• Power Rating (Pd): 1W
• Dynamic Impedance (Zz): Typically low, ensuring stable voltage regulation.

Conclusion:

The 1SMA5914BT3G from ON Semiconductor is a versatile and reliable Zener diode suitable for a wide range of applications requiring voltage regulation and protection. Its robust design, combined with a compact package and excellent thermal performance, makes it an ideal choice for modern electronic designs.