1N5294 Overview
The 1N5294 is a silicon zener diode designed primarily for voltage regulation and reference in electronic circuits. It provides a stable breakdown voltage with excellent thermal stability, making it suitable for precise voltage control in power supplies and industrial electronics. This diode is widely used by engineers for its reliable performance under varying load conditions and temperature ranges. Manufactured according to rigorous semiconductor standards, the 1N5294 ensures consistent operation in demanding environments. For sourcing and detailed technical support, visit IC Manufacturer.
1N5294 Technical Specifications
| Parameter | Specification | Unit |
|---|---|---|
| Zener Voltage (Vz) | 75 V | Volts |
| Power Dissipation (Pz) | 5 W | Watts |
| Maximum Zener Current (Izm) | 200 mA | Milliamps |
| Maximum Reverse Voltage (Vr) | 75 V | Volts |
| Forward Voltage Drop (Vf) | 1.2 V at 50 mA | Volts |
| Maximum Leakage Current (Ir) | 50 ??A at 60 V | Microamps |
| Operating Temperature Range (Tj) | -65 to +200 | ??C |
| Package Type | DO-41 Axial | ?? |
1N5294 Key Features
- Stable voltage regulation: Provides a precise 75 V zener voltage critical for maintaining consistent output voltage under fluctuating input or load conditions.
- High power dissipation: Rated at 5 W, it supports robust operation in power supply circuits where heat generation can be significant.
- Wide operating temperature range: Ensures reliable performance from -65??C up to 200??C, suitable for harsh industrial environments.
- Low leakage current: Minimizes power loss and enhances efficiency in voltage reference applications.
1N5294 Advantages vs Typical Alternatives
This diode offers superior thermal stability and higher power handling compared to many standard zener diodes in its voltage class. Its low leakage current and tight voltage tolerance improve accuracy and efficiency in voltage regulation tasks. The axial DO-41 package facilitates easy integration into through-hole circuit boards, making it a dependable choice for engineers seeking reliable voltage reference components without sacrificing durability or performance.
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Typical Applications
- Voltage regulator circuits in industrial power supplies, where maintaining stable output voltage is essential for device protection and system stability.
- Reference voltage sources in analog and digital circuits requiring consistent voltage levels for accurate operation.
- Protection circuits to safeguard sensitive components from voltage spikes and transient events.
- Test equipment and calibration devices that depend on precise voltage standards for measurement accuracy.
1N5294 Brand Info
The 1N5294 is a widely recognized zener diode model produced by multiple semiconductor manufacturers adhering to standardized specifications. Known for its quality and reliability, this diode is commonly sourced from established suppliers specializing in industrial-grade electronic components. Its proven track record in voltage regulation applications makes it a trusted component for engineers designing power and control systems. For verified authenticity and technical support, sourcing through reputable distributors and manufacturers ensures compliance with performance expectations.
FAQ
What is the maximum power dissipation rating of the 1N5294?
The device is rated for a maximum power dissipation of 5 watts, allowing it to handle significant thermal loads in voltage regulation applications without risk of damage when properly mounted and cooled.
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What is the significance of the zener voltage rating for this diode?
The zener voltage of 75 V defines the voltage at which the diode will conduct in reverse bias to regulate voltage. This precise voltage rating is crucial for applications requiring stable voltage references or protection against overvoltage.
Can the 1N5294 be used in high-temperature environments?
Yes, this diode supports an operating junction temperature range from -65??C to +200??C, making it suitable for demanding industrial environments where temperature extremes are common.
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What packaging does the 1N5294 come in, and how does it affect installation?
The device is housed in a DO-41 axial lead package, which is widely compatible with through-hole PCB assembly. This packaging simplifies manual or automated installation and provides good thermal dissipation.
How does the leakage current impact circuit performance?
Low leakage current, typically around 50 microamps at 60 V, helps maintain circuit efficiency by reducing unwanted current flow when the diode is in reverse bias. This minimizes power loss and improves overall stability of voltage regulation circuits.
