1N5290UR-1E3 Overview
The 1N5290UR-1E3 is a precision voltage regulator diode designed for stable voltage reference applications. It delivers a nominal Zener voltage of 24 volts with tight tolerance and reliable thermal stability, making it ideal for industrial and electronic circuit designs requiring consistent voltage regulation. This device features a robust glass-encapsulated package that ensures long-term reliability and performance under varying environmental conditions. Its capability to maintain consistent voltage under varying load currents enhances circuit accuracy and protects sensitive components. The product is readily available through leading suppliers, including IC Manufacturer, supporting robust supply chain requirements for engineering and sourcing teams.
1N5290UR-1E3 Technical Specifications
| Parameter | Specification |
|---|---|
| Zener Voltage (Vz) | 24 V ?? 5% |
| Test Current (Iz) | 25 mA |
| Maximum Zener Current (Izm) | 200 mA |
| Power Dissipation (Pd) | 1 W |
| Dynamic Impedance (Zzt) | 7 ?? (at 25 mA) |
| Operating Temperature Range | -65??C to +200??C |
| Package Type | DO-41 Glass Encapsulated |
| Reverse Leakage Current | Max 100 ??A (at VR) |
1N5290UR-1E3 Key Features
- Precise Voltage Regulation: Offers a stable 24 V reference voltage with tight tolerance, ensuring accurate output for sensitive electronic circuits.
- High Power Dissipation Handling: Supports up to 1 watt power dissipation, allowing it to operate reliably in demanding industrial environments.
- Low Dynamic Impedance: Provides minimal voltage variation with load changes, improving overall circuit stability and performance.
- Wide Operating Temperature Range: Performs consistently from -65??C to +200??C, suitable for harsh environmental conditions and high-reliability applications.
1N5290UR-1E3 Advantages vs Typical Alternatives
This voltage regulator diode benefits from lower dynamic impedance and higher power dissipation ratings compared to typical Zener diodes, enhancing voltage stability and thermal reliability. Its glass-encapsulated DO-41 package offers superior environmental protection and mechanical durability, making it a preferred choice for industrial and precision applications requiring consistent voltage regulation and extended operational lifespan.
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Typical Applications
- Voltage reference in power supply circuits, ensuring stable output voltage for signal conditioning and control modules.
- Voltage regulation in instrumentation and measurement equipment, improving accuracy and repeatability.
- Protection circuits to prevent voltage spikes damaging sensitive semiconductor devices.
- Industrial electronics requiring durable and reliable voltage clamping components under varying load conditions.
1N5290UR-1E3 Brand Info
The 1N5290UR-1E3 is manufactured following stringent quality standards to meet industrial-grade voltage regulation needs. This product embodies proven semiconductor design principles, delivering consistent performance and reliability. It is part of a family of high-precision Zener diodes widely used in control, protection, and voltage reference applications. The brand ensures thorough testing, robust packaging, and compliance with industry specifications to support high-volume production and long-term sourcing strategies.
FAQ
What is the maximum power dissipation of this voltage regulator diode?
The device supports a maximum power dissipation of 1 watt, which allows it to handle considerable energy without thermal degradation. This makes it suitable for applications requiring moderate power handling capability while maintaining voltage stability.
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What type of package does this diode use and why is it important?
It is enclosed in a DO-41 glass encapsulated package. This packaging protects the semiconductor junction from environmental factors such as moisture and mechanical stress, enhancing reliability and operational lifespan in industrial settings.
How does the dynamic impedance affect the performance of this diode?
Dynamic impedance represents the diode??s voltage variation under changing current conditions. A low dynamic impedance of about 7 ohms at the test current means the device maintains a stable voltage output, improving circuit accuracy and reducing noise effects.
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Can this diode operate in extreme temperature environments?
Yes, it is rated for an operating temperature range from -65??C up to +200??C. This broad range ensures stable performance in both cold and high-temperature environments, making it suitable for harsh industrial and automotive applications.
What typical applications benefit most from this voltage regulator diode?
This diode is ideal for voltage reference and regulation in power supplies, instrumentation, and protection circuits. Its precision and durability make it valuable in industrial electronics and measurement systems requiring consistent voltage stability.





