
The Story
91.0 Volt 50 Watt Reverse Polarity Zener Diode – Stud Mount
High Power 91.0V Zener Diode for Regulated Voltage Applications
This 91.0V, 50W reverse polarity Zener diode provides consistent voltage regulation for high-power electronic designs. Engineered for reliability, its stud mount DO-5 metal package ensures robust mechanical stability and efficient heat dissipation, making it a strong candidate for critical power supply circuits, industrial equipment, and protection devices.
Technical Specifications – 91.0 Volt, 50 Watt Zener Diode
- Nominal Regulating Voltage (Vz): 91.0 Volts
- Maximum Power Dissipation: 50 Watts
- Mounting Style: Stud Mount (DO-5 package)
- Configuration: Reverse Polarity
- Quantity per Package: 1
- Part Number: NTE5284AK
Reliable Zener Performance for Demanding Environments
Built for professional electronics, this high-power zener diode is commonly used in voltage reference circuits, surge and overvoltage protection, and custom regulator modules. Its stud mount form factor allows secure installation and optimal thermal performance for continuous-duty or high-current operation.
Usage Guidelines
- Ensure proper installation with adequate heat sinking to maintain safe junction temperatures during operation.
- Stud mount base serves as the cathode (negative terminal).
- Engineered for use in voltage regulation and protection roles within power supplies and industrial control systems.
This part is the equivalent replacement for the following:
1N3339R, 1N3339RA, 1N3339RB, 50T91R, 50T91RA, 50T91RB, ECG5284AK, ECG5284K, HZ50V91R, NTE5284AK, SK599, SK599/5284AK, TM5284AK
Description
91.0 Volt 50 Watt Reverse Polarity Zener Diode – Stud Mount
High Power 91.0V Zener Diode for Regulated Voltage Applications
This 91.0V, 50W reverse polarity Zener diode provides consistent voltage regulation for high-power electronic designs. Engineered for reliability, its stud mount DO-5 metal package ensures robust mechanical stability and efficient heat dissipation, making it a strong candidate for critical power supply circuits, industrial equipment, and protection devices.
Technical Specifications – 91.0 Volt, 50 Watt Zener Diode
- Nominal Regulating Voltage (Vz): 91.0 Volts
- Maximum Power Dissipation: 50 Watts
- Mounting Style: Stud Mount (DO-5 package)
- Configuration: Reverse Polarity
- Quantity per Package: 1
- Part Number: NTE5284AK
Reliable Zener Performance for Demanding Environments
Built for professional electronics, this high-power zener diode is commonly used in voltage reference circuits, surge and overvoltage protection, and custom regulator modules. Its stud mount form factor allows secure installation and optimal thermal performance for continuous-duty or high-current operation.
Usage Guidelines
- Ensure proper installation with adequate heat sinking to maintain safe junction temperatures during operation.
- Stud mount base serves as the cathode (negative terminal).
- Engineered for use in voltage regulation and protection roles within power supplies and industrial control systems.
This part is the equivalent replacement for the following:
1N3339R, 1N3339RA, 1N3339RB, 50T91R, 50T91RA, 50T91RB, ECG5284AK, ECG5284K, HZ50V91R, NTE5284AK, SK599, SK599/5284AK, TM5284AK











