1N5311 Overview
The 1N5311 is a precision Zener diode designed to provide stable voltage regulation in various electronic circuits. With a nominal Zener voltage of approximately 5.1 volts and a power dissipation rating suitable for moderate loads, it is ideal for voltage reference and voltage stabilization applications. Its robust construction ensures reliable performance under varying environmental conditions. Engineers and sourcing specialists will appreciate the device??s consistent breakdown voltage and low leakage current, which contribute to enhanced circuit accuracy and longevity. For more details and sourcing options, visit the IC Manufacturer website.
1N5311 Technical Specifications
| Parameter | Value | Unit |
|---|---|---|
| Zener Voltage (Vz) | 5.1 | Volts |
| Test Current (Iz) | 20 | mA |
| Maximum Power Dissipation (Pz) | 500 | mW |
| Maximum Reverse Current (Ir) | 100 | ??A |
| Operating Temperature Range (Tj) | -65 to +200 | ??C |
| Maximum Zener Impedance (Zz) | 7.5 | ?? |
| Package Type | DO-35 Glass Diode | ?C |
| Forward Voltage (Vf) | 1.2 | Volts |
1N5311 Key Features
- Stable Voltage Regulation: Maintains a consistent breakdown voltage of 5.1 V at 20 mA, ensuring precise voltage reference for sensitive electronic circuits.
- Low Zener Impedance: The low dynamic impedance of 7.5 ?? reduces voltage fluctuations, improving the accuracy and reliability of voltage stabilization.
- Wide Operating Temperature Range: Operates reliably from -65??C to +200??C, supporting applications in harsh environments and industrial settings.
- Compact DO-35 Package: The glass-encapsulated diode offers excellent mechanical robustness and thermal stability, facilitating easy integration into diverse PCB layouts.
1N5311 Advantages vs Typical Alternatives
Compared to typical Zener diodes, this device offers superior voltage stability and low leakage current, which enhances circuit accuracy and reduces power loss. Its high maximum power dissipation and wide temperature tolerance provide greater reliability in demanding industrial and commercial environments. The compact and rugged glass DO-35 package also ensures long-term durability and easier handling during assembly, making it a preferred choice for precision voltage regulation tasks.
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Typical Applications
- Voltage reference for analog-to-digital converters and precision measurement systems, where stable and accurate voltage is critical for performance.
- Voltage stabilization in power supply circuits to protect sensitive components from voltage spikes and fluctuations.
- Overvoltage protection circuits, ensuring safe operation of electronic devices by limiting voltage surges.
- General purpose voltage regulation in industrial control systems, enabling consistent operation under varying electrical conditions.
1N5311 Brand Info
This Zener diode is manufactured by reputable semiconductor producers specializing in discrete components for industrial electronics. The product is known for its rigorous quality control and adherence to industry standards. With a proven track record, the device is widely stocked and supported globally, making it a reliable component for engineers and sourcing specialists seeking dependable voltage regulation solutions. Its established presence in the market reflects a commitment to performance and consistency.
FAQ
What is the nominal Zener voltage of this diode?
The nominal Zener voltage is approximately 5.1 volts, measured at a test current of 20 mA. This voltage level is critical for applications requiring precise voltage references and regulation.
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What power dissipation can this diode handle?
The maximum power dissipation rating is 500 milliwatts, allowing the diode to safely regulate voltage in circuits with moderate power demands without risk of thermal damage.
Can this diode operate in extreme temperatures?
Yes, it supports an operating junction temperature range from -65??C up to +200??C, making it suitable for use in a wide variety of environmental conditions including industrial and automotive applications.
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What package type is used for this device?
The diode comes in a DO-35 glass package, which provides good mechanical protection and thermal stability while maintaining a compact footprint for circuit board integration.
How does the low Zener impedance benefit circuit performance?
A low Zener impedance of 7.5 ohms minimizes voltage variation under changing load currents, which enhances the precision and stability of voltage regulation in sensitive electronic applications.
