175V 10W Zener Diode – Stud Mount

Reliable Voltage Regulation with 175V Zener Diode

The NTE5229A is a high-power, stud mount Zener diode designed for precise voltage regulation and surge protection applications. Featuring a nominal regulating voltage of 175 volts and a power dissipation rating of 10 watts, this Zener diode is engineered for demanding projects requiring stable voltage control across a broad range of electronic systems.

Technical Specifications

• Nominal Regulating Voltage (Vz): 175V
• Power Dissipation: 10W
• Mounting Style: Stud mount (Chassis Mount)
• Polarity: Standard (stud is anode, case is cathode)
• Package Type: DO-4 (DO-203AA)
• Quantity per Package: 1
• Manufacturer Part Number: NTE5229A

High-Stability Zener Diode for Demanding Applications

Engineered for robust voltage reference and protection, the NTE5229A delivers reliable performance in power supplies, industrial controls, instrumentation, and other electronic assemblies where maintaining a precise voltage is critical. Its stud mount design allows for secure mechanical attachment and efficient thermal management in high-current environments.

Usage and Installation

Install the NTE5229A Zener diode using the stud mount to ensure optimal heat dissipation. This configuration is ideal for chassis mounting, making it suitable for integration into power regulation and protection circuits. For reverse polarity applications, refer to the NTE5229AK variant.

Order with Confidence from

offers a curated selection of high-quality, high-power Zener diodes for engineers and OEMs. The NTE5229A 175V 10W stud mount Zener diode is available in single-unit package quantities, providing a reliable solution for both prototyping and production.

This part is the equivalent replacement for the following:

134882137809, 1N3013, 1N3013A, 1N3013B, 1N4237, 1N4237A, 37H09, 48-82137H09, CXL5229, ECG5229, ECG5229A, NTE5229A, SK224, SK224/5229A, TM5229A