1N5298-1 Overview
The 1N5298-1 is a high-voltage Zener diode designed for voltage regulation and reference applications in industrial and electronic circuits. It operates with a nominal Zener voltage of 75 volts, offering precise voltage stabilization in demanding conditions. This device is recognized for its robust avalanche breakdown characteristics, enabling reliable performance in overvoltage protection and voltage clamping roles. Engineered to handle continuous power dissipation of up to 5 watts, the diode supports efficient thermal management. Its hermetically sealed glass package ensures durability and long-term stability, making it suitable for harsh environments. For detailed procurement and technical support, visit IC Manufacturer.
1N5298-1 Technical Specifications
| Parameter | Specification | Unit | Notes |
|---|---|---|---|
| Zener Voltage (VZ) | 75 | Volts | Measured at test current |
| Test Current (IT) | 20 | mA | Current at which VZ is specified |
| Maximum Power Dissipation (PD) | 5 | Watts | Continuous operation |
| Maximum DC Current (IZM) | 250 | mA | Peak Zener current |
| Maximum Zener Impedance (ZZ) | 7 | ?? | At test current |
| Maximum Reverse Leakage Current | 100 | ??A | At rated voltage |
| Operating Temperature Range | -65 to +200 | ??C | Junction temperature |
| Package Type | DO-7 | – | Hermetically sealed glass axial |
1N5298-1 Key Features
- High voltage stabilization: Maintains a stable voltage of 75 V at 20 mA, critical for precise voltage reference applications.
- Robust power dissipation: Supports continuous power up to 5 W, enabling use in circuits requiring significant energy handling without degradation.
- Low Zener impedance: With a maximum impedance of 7 ??, the device ensures minimal voltage variation under changing load conditions, enhancing circuit accuracy.
- Wide operating temperature range: Functionality from -65??C to +200??C allows deployment in extreme environmental conditions, boosting reliability.
- Hermetic glass package: Protects against moisture and contaminants, ensuring long-term stability and performance in industrial environments.
1N5298-1 Advantages vs Typical Alternatives
This diode offers superior voltage regulation at high voltages compared to typical Zener diodes, with a robust power rating and low Zener impedance that improve accuracy and reliability. Its wide operating temperature range and hermetic packaging provide enhanced durability and stability in industrial applications, making it a dependable choice where conventional alternatives may suffer from performance drift or environmental degradation.
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Typical Applications
- Voltage reference and regulation in power supply circuits requiring consistent 75 V stabilization, ensuring precise output voltage under varying load conditions.
- Overvoltage protection in industrial control systems, safeguarding sensitive components from voltage spikes and surges.
- Voltage clamping in switching circuits to protect against transient voltage excursions that could damage other semiconductors.
- Use in high-voltage measurement and test equipment where stable voltage references are critical for accurate readings.
1N5298-1 Brand Info
This device is a part of the 1N52xx series, known for their high-voltage Zener diode performance. Manufactured under stringent quality standards, it exemplifies reliability and precision for industrial and commercial applications. The product benefits from extensive testing to meet rigorous electrical and mechanical specifications. Its proven design has earned widespread adoption in various voltage regulation and protection roles, reflecting the brand??s commitment to durable semiconductor solutions.
FAQ
What is the typical test current for the 1N5298-1 Zener voltage rating?
The Zener voltage of 75 volts is specified at a test current of 20 milliamps. This current level ensures accurate measurement of the voltage stabilization characteristic under typical operating conditions.
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Can the diode handle transient power surges above its continuous rating?
Yes, the device can tolerate brief transient power surges exceeding the continuous 5-watt rating, but these should be limited in duration to avoid thermal damage. Design consideration for adequate heat dissipation is essential for reliable operation.
What package type does this diode use, and how does it affect performance?
It comes in a hermetically sealed DO-7 glass axial package. This packaging provides excellent protection against environmental factors such as moisture and contaminants, enhancing long-term stability and reliability in harsh conditions.
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What is the maximum operating temperature range for the 1N5298-1?
The device supports junction temperatures from -65??C up to +200??C, making it suitable for a wide variety of applications, including those exposed to extreme thermal environments.
How does the Zener impedance affect the diode??s voltage regulation?
A low Zener impedance of 7 ohms means the voltage remains stable even when current varies. This improves the precision of voltage regulation, which is important in circuits that require a consistent voltage reference.
