1N5291 Overview
The 1N5291 is a precision silicon zener diode designed for voltage regulation and reference applications. It offers a stable zener voltage of 75 volts, enabling accurate voltage clamping and protection in electronic circuits. Engineered for high reliability and consistent performance, it supports a maximum power dissipation of 5 watts, making it suitable for moderate power applications. The device exhibits low leakage current and a tight tolerance on its breakdown voltage, which ensures dependable operation in industrial and commercial electronic systems. The 1N5291 is widely recognized for its rugged construction and thermal stability, aligning with the rigorous demands of engineering and sourcing specialists. For detailed specifications and purchasing options, visit IC Manufacturer.
1N5291 Technical Specifications
| Parameter | Value | Unit |
|---|---|---|
| Zener Voltage (Vz) | 75 | V |
| Power Dissipation (Pd) | 5 | W |
| Maximum Zener Current (Izm) | 67 | mA |
| Test Current (It) | 12 | mA |
| Maximum Reverse Leakage Current (Ir) | 50 | ??A |
| Junction Capacitance (Cj) | 12 | pF |
| Temperature Coefficient | +5 | mV/??C |
| Operating Temperature Range | -65 to +200 | ??C |
1N5291 Key Features
- Stable 75 V zener voltage: Provides precise voltage regulation essential for voltage reference and protection circuits.
- High power dissipation capacity of 5 W: Enables use in moderate power applications without overheating, enhancing reliability.
- Low leakage current: Minimizes power loss and improves circuit efficiency, critical for sensitive electronic designs.
- Wide operating temperature range (-65??C to +200??C): Ensures dependable performance under extreme environmental conditions.
- Consistent junction capacitance: Supports stable switching and noise immunity in high-frequency applications.
- Robust construction: Delivers long-term durability and reduces maintenance requirements in industrial environments.
1N5291 Advantages vs Typical Alternatives
This zener diode offers superior voltage stability and a higher power rating compared to standard low-power alternatives. Its low leakage current and tight voltage tolerance provide enhanced accuracy, making it ideal for precision voltage regulation. The wide temperature range ensures dependable operation in harsh conditions, giving it an edge over typical components that may degrade under thermal stress. These benefits translate to improved reliability and efficiency in critical industrial and commercial circuits.
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Typical Applications
- Voltage regulation and voltage reference circuits requiring stable 75 V zener voltage for precise performance in industrial control systems.
- Surge protection in power supplies to clamp voltage spikes and safeguard sensitive components.
- Waveform clipping and voltage stabilization in analog signal processing and measurement equipment.
- Use in voltage monitoring circuits within telecommunications and networking hardware.
1N5291 Brand Info
The 1N5291 zener diode is a widely recognized component from established semiconductor manufacturers, known for their strict quality control and consistency. This product line has been designed to meet the demanding requirements of industrial and commercial electronic systems, providing engineers and sourcing specialists with a reliable voltage regulation solution. The diode’s consistent parameter set and long lifecycle reputation make it a preferred choice for rugged applications where performance and accuracy are critical.
FAQ
What is the maximum power dissipation rating for this zener diode?
The maximum power dissipation is rated at 5 watts, allowing the diode to handle moderate power levels without thermal failure when mounted properly with adequate heat sinking.
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What is the specified zener voltage and tolerance?
The device features a nominal zener voltage of 75 volts, with tight voltage tolerance to ensure precise regulation in voltage reference and protection applications.
How does the leakage current affect circuit performance?
Low leakage current, specified at a maximum of 50 microamperes, reduces unwanted power loss and enhances efficiency, especially important in low-power and sensitive analog circuits.
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What temperature range can this diode reliably operate within?
The diode supports an operating temperature range from -65??C up to +200??C, making it suitable for environments with extreme temperature variations.
Can this diode be used in high-frequency applications?
Yes, due to its consistent junction capacitance of approximately 12 pF, it maintains stable performance in high-frequency circuits, reducing noise and improving signal integrity.
