1N5293UR-1 Overview
The 1N5293UR-1 is a silicon Zener diode designed for voltage regulation in electronic circuits. Engineered to maintain a stable reference voltage, it delivers precise voltage clamping with a nominal Zener voltage of 33 volts. This device is well-suited for industrial and commercial applications requiring reliable voltage stabilization and surge protection. Its robust design supports a maximum power dissipation of 5 watts, ensuring dependable operation under varying electrical loads. Sourced from a trusted IC Manufacturer, this diode offers consistent performance in sensitive and demanding environments.
1N5293UR-1 Technical Specifications
| Parameter | Value |
|---|---|
| Nominal Zener Voltage (VZ) | 33 V |
| Maximum Power Dissipation (PD) | 5 W |
| Test Current (IT) | 20 mA |
| Maximum Zener Impedance (ZZ) | 7 ?? |
| Maximum Forward Voltage (VF) | 1.2 V at 200 mA |
| Operating Temperature Range | -65??C to +200??C |
| Package Type | DO-41 Axial Lead |
| Reverse Leakage Current (IR) | 50 ??A max at 20 V |
1N5293UR-1 Key Features
- Stable Voltage Regulation: Provides a precise 33 V Zener voltage at 20 mA test current, enabling accurate voltage reference in sensitive circuits.
- High Power Dissipation Capability: Supports up to 5 W power, allowing the device to handle significant load conditions without performance degradation.
- Low Zener Impedance: With a maximum Zener impedance of 7 ??, it ensures minimal voltage variation under changing current loads, enhancing circuit stability.
- Wide Operating Temperature Range: Rated for -65??C to +200??C, it performs reliably across harsh industrial temperature extremes.
1N5293UR-1 Advantages vs Typical Alternatives
This diode offers superior voltage regulation accuracy and higher power dissipation compared to many standard Zener diodes. Its low Zener impedance reduces voltage fluctuations, improving overall circuit performance. Additionally, the broad temperature tolerance and axial DO-41 package provide enhanced reliability and ease of integration in rugged industrial environments.
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Typical Applications
- Voltage reference and voltage regulation circuits in power supplies, ensuring stable output voltage despite input fluctuations or load changes.
- Surge suppression components to protect sensitive electronics from transient voltage spikes.
- Clamping diodes in signal conditioning circuits to prevent voltage excursions beyond safe limits.
- Industrial instrumentation requiring precise and reliable voltage stabilization under varying environmental conditions.
1N5293UR-1 Brand Info
This Zener diode is manufactured by a leading semiconductor producer specializing in high-quality discrete components for industrial applications. The product is part of a family of voltage regulation devices well-known for robust performance, consistent electrical characteristics, and long-term reliability. Its design meets stringent quality standards, making it a preferred choice for engineers sourcing dependable voltage regulation solutions.
FAQ
What is the nominal Zener voltage and test current for this diode?
The nominal Zener voltage is 33 volts, measured at a test current of 20 milliamps. This specification defines the voltage at which the diode maintains a stable breakdown, critical for accurate voltage regulation in circuits.
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What package type is used for this diode, and why is it important?
The diode is supplied in a DO-41 axial lead package. This package style facilitates easy mounting on through-hole printed circuit boards and allows efficient heat dissipation, which is important for handling its 5-watt power rating.
What are the operating temperature limits for this device?
The diode operates reliably within a wide temperature range from -65??C up to +200??C. This broad range makes it suitable for industrial and harsh environment applications where temperature extremes are common.
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How does the Zener impedance affect circuit performance?
A low Zener impedance, rated at a maximum of 7 ohms, helps maintain a steady voltage across the diode under varying current loads. This characteristic reduces voltage ripple and improves overall stability in voltage regulation applications.
What is the maximum power dissipation, and how does it affect application design?
The device can dissipate up to 5 watts of power continuously. When designing circuits, engineers must ensure adequate heat sinking or airflow to prevent exceeding this limit, thereby guaranteeing reliable operation and longevity of the diode.
