The BZT52B43S-FL-H Zener diode, manufactured by Formosa Microsemi, is a crucial component for voltage regulation and circuit protection. With a Zener voltage of 43V and a power dissipation of 500mW, this diode effectively stabilizes voltage levels in electronic devices. Housed in a compact SOD-323 package, it's well-suited for applications where space is limited. Supreme Components International is an authorized distributor of Formosa Microsemi components, ensuring that you receive genuine, high-quality products. This Zener diode is commonly used in voltage clamping, surge protection, and voltage reference circuits. Its robust design and precise voltage characteristics make it a reliable choice for demanding applications. Trust Supreme Components International for all your electronic component needs.