1N4744A 15V Zener Diode

The 1N4744A is a 15V Zener diode supplied in a through-hole package, designed to hold a fixed reference voltage across its terminals once it reaches breakdown. Zener diodes like this one are a staple of voltage regulation and circuit protection, clamping voltage at a known level to protect downstream components.

With a nominal voltage of 15V, the 1N4744A is commonly used in protection circuits and simple voltage regulator designs. It is important to always pair a Zener diode with an appropriate current-limiting resistor in the circuit, as the diode itself does not limit current once it reaches breakdown voltage.

• Diode type – Zener diode
• Nominal voltage – 15V
• Package – Through-hole
• Primary use – Voltage reference and regulation
• Secondary uses – Switching applications, clipper circuits
• Design note – Must be used with a series current-limiting resistor

Whether you are building a crude voltage regulator, a protection circuit for sensitive components, or a signal clipper, the 1N4744A offers a stable and predictable 15V reference point. The 1N4744A 15V Zener Diode is a simple, cost-effective component for voltage regulation and circuit protection tasks.