1N5312UR-1E3 Overview
The 1N5312UR-1E3 is a high-reliability silicon Zener diode specifically designed for precise voltage regulation in industrial and electronic circuits. With a nominal Zener voltage of 12V and a power dissipation rating of 5 watts, this device offers stable performance under demanding conditions. Its robust construction ensures consistent voltage stabilization, protecting sensitive components from voltage fluctuations. Ideal for use in power supplies, voltage references, and surge protection circuits, this diode delivers dependable operation with low noise and high temperature stability. Sourcing engineers and design professionals value its proven reliability and ease of integration. For more information, visit IC Manufacturer.
1N5312UR-1E3 Technical Specifications
| Parameter | Specification |
|---|---|
| Zener Voltage (Vz) | 12 V (at 25??C, Izt) |
| Test Current (Izt) | 27 mA |
| Maximum Power Dissipation (Ptot) | 5 W |
| Maximum Zener Current (Izm) | 430 mA |
| Maximum Reverse Leakage Current (Ir) | 5 ??A (at 9 V reverse voltage) |
| Dynamic Impedance (Zzt) | 7 ?? (at Izt) |
| Operating Temperature Range (Tj) | -65??C to +175??C |
| Package Type | DO-41 axial lead |
1N5312UR-1E3 Key Features
- Stable 12V Zener Voltage Regulation: Provides precise voltage control critical for protecting sensitive components and ensuring consistent circuit operation.
- High Power Dissipation Capability: Rated for 5 watts, enabling use in higher power applications without risk of thermal failure.
- Low Dynamic Impedance: Minimizes voltage variation under load changes, enhancing voltage stability and improving overall circuit performance.
- Wide Operating Temperature Range: Reliable operation from -65??C to +175??C suits harsh industrial environments and temperature-sensitive electronics.
- Axial Lead DO-41 Package: Facilitates easy PCB mounting and effective heat dissipation, simplifying assembly and thermal management.
1N5312UR-1E3 Advantages vs Typical Alternatives
This diode offers superior voltage regulation accuracy and a higher power dissipation rating compared to many standard Zener diodes. Its low dynamic impedance reduces noise and voltage fluctuations, providing more stable operation in precision applications. The extended temperature range and robust package design enhance reliability in industrial settings, making it a preferred choice over lower-rated alternatives that may fail under thermal stress or offer less consistent voltage regulation.
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Typical Applications
- Voltage Regulation in Power Supplies: Ensures stable reference voltage and protects downstream circuitry from voltage spikes, maintaining system reliability under varying load conditions.
- Voltage Reference in Measurement Equipment: Provides a stable voltage baseline critical for accurate sensor readings and instrumentation calibration.
- Surge Protection Circuits: Acts as a voltage clamp to safeguard sensitive electronics against transient voltage surges.
- Industrial Control Systems: Supports robust and reliable voltage stabilization for controllers operating in harsh environments with wide temperature ranges.
1N5312UR-1E3 Brand Info
Manufactured by a leading semiconductor provider, this diode is part of a comprehensive family of Zener diodes designed for industrial-grade performance. The product line is known for rigorous quality control and consistent electrical characteristics, ensuring dependable operation across a wide range of applications. The 1N5312UR-1E3 benefits from the brand’s commitment to innovation, reliability, and compliance with industry standards, making it a trusted component for engineers and sourcing specialists focused on long-term system stability.
FAQ
What is the primary function of this diode in electronic circuits?
This device primarily functions as a voltage regulator by maintaining a constant voltage of around 12V across its terminals. It protects circuits by limiting voltage to safe levels, ensuring sensitive components receive stable power and preventing damage from voltage spikes.
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Can this diode handle high power applications?
Yes, it is rated for a maximum power dissipation of 5 watts, allowing it to operate effectively in higher power environments. This capability makes it suitable for industrial power supplies and other applications requiring reliable voltage regulation under elevated load conditions.
What package type does this diode come in, and how does it affect installation?
The device is housed in a DO-41 axial lead package, which is compatible with through-hole PCB mounting. This form factor enables straightforward soldering, good mechanical stability, and effective heat dissipation, facilitating easier integration into various circuit designs.
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How does the dynamic impedance influence the diode??s performance?
Dynamic impedance defines how the voltage changes with current variations through the diode. A low dynamic impedance, such as 7 ?? at test current, ensures that the voltage remains stable even when the load or input current fluctuates, improving the overall reliability of voltage regulation.
Is the diode suitable for use in extreme temperature environments?
Yes, the device supports an operating temperature range from -65??C up to +175??C, which makes it well-suited for harsh environments and applications requiring consistent performance despite wide temperature variations, such as automotive, industrial, and aerospace systems.
