The 1SMB5949B Zener diode, manufactured by JSCJ (JCET), is a robust component designed for voltage regulation and transient voltage suppression. This 3W, 12V Zener diode is housed in a compact SMB package, making it suitable for space-constrained applications. As an authorised distributor, Supreme Components International ensures you receive genuine, high-quality components. The 1SMB5949B offers excellent performance in providing a stable reference voltage, protecting sensitive circuits from voltage spikes, and ensuring reliable operation in diverse electronic systems. It is commonly used in power supplies, voltage regulators, and overvoltage protection circuits. Choose Supreme Components International for your electronic component needs.