JANTX1N5309-1 Overview
The JANTX1N5309-1 is a high-reliability silicon Zener diode designed for voltage regulation and voltage reference applications in demanding industrial and military environments. It features a nominal Zener voltage of 9.1 volts, providing stable voltage regulation with minimal temperature drift. Packaged in a hermetically sealed DO-41 glass case, it ensures robust performance under harsh conditions including high temperature and mechanical stress. This device is suitable for precision voltage clamping, surge suppression, and reference voltage applications, meeting stringent military standards. For detailed sourcing and specifications, visit IC Manufacturer.
JANTX1N5309-1 Technical Specifications
| Parameter | Value | Units |
|---|---|---|
| Zener Voltage (Vz) | 9.1 | Volts |
| Test Current (Iz) | 31 | mA |
| Power Dissipation (Pd) | 1.0 | Watt |
| Dynamic Impedance (Zzt) | 7 | Ohms |
| Maximum Reverse Current (Ir) | 100 | ??A |
| Operating Temperature Range | -65 to +200 | ??C |
| Package Type | DO-41 | Glass Hermetic |
| Forward Voltage (Vf) at 200mA | 1.2 | Volts |
JANTX1N5309-1 Key Features
- Precision Voltage Regulation: Maintains a consistent 9.1 V Zener voltage at a 31 mA test current, ensuring stable performance in voltage reference circuits.
- High Power Dissipation Capability: Supports up to 1 watt power dissipation, enabling reliable operation under elevated load conditions without compromising device integrity.
- Wide Operating Temperature Range: Functions reliably from -65??C to +200??C, making it ideal for extreme environmental applications including aerospace and military systems.
- Low Dynamic Impedance: Offers a dynamic impedance of 7 ohms, reducing voltage variation and enhancing precision in voltage stabilization tasks.
- Hermetic Glass Package: The DO-41 hermetically sealed glass enclosure protects the diode from moisture and contaminants, enhancing longevity and reliability.
- Low Leakage Current: Maximum reverse current of 100 ??A minimizes power losses and unwanted current flow in reverse bias conditions.
- Robust Forward Voltage Characteristics: Forward voltage of approximately 1.2 V at 200 mA ensures predictable conduction behavior in circuit protection scenarios.
JANTX1N5309-1 Advantages vs Typical Alternatives
This device provides superior reliability and precision compared to standard Zener diodes, thanks to its hermetic packaging and rigorous military-grade testing. Its low dynamic impedance and stable voltage regulation reduce noise and improve accuracy in critical voltage reference applications. The broad operating temperature range and enhanced power dissipation capacity enable use in environments where typical diodes may fail, making it an excellent choice for high-reliability industrial and aerospace systems.
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Typical Applications
- Voltage regulation circuits where precise 9.1 V clamping is required, especially in military and aerospace systems demanding high reliability under extreme conditions.
- Voltage reference sources in analog and digital circuits that require stable output despite variations in temperature and input voltage.
- Surge protection and voltage transient suppression in sensitive electronic systems to prevent damage from voltage spikes.
- Power supply stabilization, ensuring consistent output voltage and protecting downstream components in industrial equipment.
JANTX1N5309-1 Brand Info
The JANTX1N5309-1 is part of a series of military-qualified Zener diodes known for their robust construction and stable electrical characteristics. Manufactured under stringent quality controls, this product adheres to Joint Army-Navy (JAN) standards, ensuring consistent performance in mission-critical applications. Its design reflects a commitment to durability and precision, making it a trusted component in defense, aerospace, and industrial sectors where long-term reliability and tight voltage regulation are essential.
FAQ
What is the nominal Zener voltage and test current for this diode?
The nominal Zener voltage is 9.1 volts, measured at a test current of 31 milliamps. This ensures the device provides a stable reference voltage suitable for precision regulation applications.
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What are the temperature limits for safe operation?
This diode operates reliably across a wide temperature range from -65??C to +200??C. Such a range supports use in harsh environments including aerospace and military systems subjected to extreme thermal conditions.
How does the hermetic DO-41 package benefit the diode??s performance?
The hermetic glass package protects the diode from moisture, dust, and other contaminants, enhancing its durability and lifespan. This packaging is critical for applications requiring long-term stability and reliability in challenging environments.
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What is the maximum power dissipation capability?
The device can dissipate up to 1 watt of power, allowing it to handle significant load currents without degradation. This makes it suitable for applications involving moderate power levels and transient voltage conditions.
How does the dynamic impedance affect circuit performance?
With a dynamic impedance of 7 ohms, the diode minimizes voltage fluctuations during operation, resulting in more precise voltage regulation and improved noise performance in sensitive electronic circuits.






