1N5284 Zener Diode 3.9V Voltage Regulation DO-41 Package

1N5284 Overview

The 1N5284 is a silicon diode specifically designed for voltage regulation and precision reference applications. It functions as a Zener diode with a nominal Zener voltage of approximately 33V, making it suitable for stable voltage clamping and voltage reference circuits. This device offers robust performance in controlling voltage levels in industrial and commercial electronic systems. Its reliable, well-defined breakdown voltage ensures consistent operation under varying electrical conditions. Engineers and sourcing specialists will find the 1N5284 ideal for applications requiring accurate voltage regulation with low noise characteristics. For detailed sourcing and technical guidance, visit IC Manufacturer.

1N5284 Technical Specifications

1N5284 Key Features

• Stable Voltage Regulation: Provides a precise 33V Zener voltage, ensuring consistent voltage reference for sensitive circuits.
• Low Noise Performance: Minimizes electrical noise, which is critical for analog and measurement systems requiring clean signal references.
• High Power Dissipation: Supports up to 500mW, enabling use in moderately high power applications without thermal degradation.
• Wide Temperature Range: Operates reliably from -65??C to +175??C, suitable for harsh industrial environments.
• Low Dynamic Impedance: Offers stable voltage with minimal variation under changing current loads, improving circuit accuracy.
• Compact DO-35 Package: Facilitates easy integration into existing designs with standard through-hole mounting.

1N5284 Advantages vs Typical Alternatives

Compared to standard Zener diodes with similar voltage ratings, this model delivers superior voltage stability due to its low dynamic impedance and controlled leakage current. Its robust power dissipation rating and extended operating temperature range make it a reliable choice for industrial-grade voltage regulation. The low noise characteristic enhances performance in precision analog circuits, offering an edge over generic alternatives that may introduce signal distortion or thermal instability.

Typical Applications

• Voltage reference in power supply circuits where stable 33V regulation is required to protect downstream components and ensure consistent operation.
• Voltage clamping and surge suppression in industrial control systems to safeguard sensitive electronics from transient voltage spikes.
• Precision measurement instruments requiring a low-noise, stable voltage reference for accurate sensor calibration and signal conditioning.
• General-purpose voltage stabilization in communication devices, ensuring signal integrity and consistent power delivery.

1N5284 Brand Info

This diode is produced following strict quality standards by established semiconductor manufacturers, ensuring dependable performance and long-term reliability. Packaged in a standard DO-35 glass axial form, it aligns with common industry requirements for ease of handling and integration. The product supports a wide range of industrial and commercial applications demanding precise voltage regulation. The brand emphasizes consistent manufacturing quality, making this diode a preferred choice among engineers and sourcing professionals seeking robust and accurate voltage reference components.

FAQ

What is the nominal Zener voltage of this diode?

The diode is designed to exhibit a nominal Zener voltage of approximately 33 volts at a test current of 20mA. This voltage rating is critical for applications requiring stable voltage references or regulation at this level.

What package type does this diode use, and why is it important?

This device comes in a DO-35 axial lead glass package, which is an industry-standard format. The package facilitates easy through-hole mounting and good thermal dissipation, making it suitable for a broad range of electronic assembly processes.

What is the maximum power dissipation rating, and how does it affect usage?

The maximum power dissipation is rated at 500 milliwatts, which defines the upper limit of power the diode can safely handle without damage. This rating is essential for ensuring reliable operation in voltage regulation tasks where power levels may fluctuate.

How does the dynamic impedance impact circuit performance?

Dynamic impedance, typically around 15 ohms for this device, indicates how much the voltage changes with variations in current. A low dynamic impedance helps maintain a stable voltage output, improving the accuracy and reliability of voltage-sensitive circuits.

Is this diode suitable for high-temperature environments?

Yes, the diode supports operation in a temperature range from -65??C to +175??C, making it suitable for harsh industrial environments where temperature extremes are common.