1N5312-1 Overview
The 1N5312-1 is a high-voltage Zener diode designed for precise voltage regulation in industrial and electronic circuits. With a nominal Zener voltage of 12 volts and a maximum power dissipation of 5 watts, it offers reliable performance in voltage stabilization, surge protection, and reference voltage applications. Its robust DO-41 axial-lead glass package ensures durability and efficient heat dissipation. Sourced from a trusted IC Manufacturer, this device is tailored to meet the stringent demands of engineers and sourcing specialists requiring consistent voltage clamping and reference in harsh operating environments.
1N5312-1 Technical Specifications
| Parameter | Specification |
|---|---|
| Zener Voltage (Vz) at Izt | 12 V (nominal) |
| Test Current (Izt) | 31 mA |
| Maximum Zener Impedance (Zzt) | 7 ?? at Izt |
| Maximum Reverse Leakage Current (Ir) | 100 ??A at 7 V |
| Maximum Power Dissipation (Pd) | 5 W (at 25??C) |
| Operating Temperature Range | -65??C to +200??C |
| Forward Voltage (Vf) | 1.1 V at 200 mA |
| Package Type | DO-41 axial-lead glass |
1N5312-1 Key Features
- Precise Voltage Regulation: Maintains a stable 12 V reference voltage, enhancing circuit reliability and accuracy in voltage-sensitive applications.
- High Power Dissipation Capability: Supports up to 5 watts, allowing use in high-stress environments without compromising performance.
- Low Zener Impedance: Features a low dynamic impedance of 7 ??, minimizing voltage variation under changing load conditions and improving overall efficiency.
- Wide Operating Temperature Range: Suitable for industrial applications, with an operating range from -65??C to +200??C, ensuring stable operation under extreme conditions.
1N5312-1 Advantages vs Typical Alternatives
This device offers superior voltage stability with a tight Zener voltage tolerance and low impedance, enabling more accurate voltage regulation compared to standard Zener diodes. Its high power rating and robust glass-encapsulated package provide enhanced reliability and thermal performance, making it an excellent choice over alternatives that may suffer from reduced lifespan or less precise voltage control under stress.
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Typical Applications
- Voltage regulation in precision power supplies, providing a stable reference voltage to protect sensitive electronics from voltage fluctuations.
- Surge suppression circuits where controlled voltage clamping prevents damage caused by transient voltage spikes.
- Voltage reference in measurement and calibration equipment, ensuring consistent and accurate readings.
- Protection of transistor base-emitter junctions by limiting voltage peaks in switching circuits.
1N5312-1 Brand Info
This Zener diode is manufactured by a reputable semiconductor supplier known for quality and reliability in industrial-grade components. The product line is engineered to meet rigorous standards, ensuring consistent electrical characteristics and long-term stability. The 1N5312-1 is a proven solution widely used in high-reliability applications where dependable voltage regulation and surge protection are critical.
FAQ
What is the typical Zener voltage tolerance for this device?
The typical Zener voltage is 12 volts at the specified test current of 31 mA. The device is designed to maintain this voltage within a narrow tolerance to provide precise regulation in circuits requiring stable voltage references.
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Can the diode handle continuous power dissipation at its maximum rating?
Yes, the diode can safely dissipate up to 5 watts continuously at an ambient temperature of 25??C. Proper heat sinking or thermal management is recommended to maintain device reliability when operating near this limit.
What package type does this device use and how does it affect installation?
The diode is housed in a DO-41 axial-lead glass package, which facilitates easy through-hole mounting on printed circuit boards. This package provides good thermal conduction and mechanical protection, making it suitable for industrial environments.
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What are the operating temperature limits for this diode?
This component operates reliably within a temperature range from -65??C up to +200??C, making it suitable for harsh environments including aerospace, automotive, and industrial applications.
How does the Zener impedance affect circuit performance?
A low Zener impedance of 7 ?? at the test current minimizes voltage fluctuations when the load current changes. This ensures a stable voltage output, which is critical for precise voltage regulation and reference applications.
