JAN1N5309UR-1/TR Overview
The JAN1N5309UR-1/TR is a high-reliability transient voltage suppression diode designed for robust protection of sensitive electronic components against voltage spikes and surges. Engineered to meet stringent military and industrial standards, this device offers dependable clamping at a specified breakdown voltage, ensuring system integrity in demanding environments. Its unidirectional design enables efficient suppression of transient overvoltages, making it an essential component for safeguarding power supplies and communication circuits. Sourced from a trusted IC Manufacturer, it delivers consistent performance with enhanced durability and thermal stability.
JAN1N5309UR-1/TR Technical Specifications
| Parameter | Value | Unit |
|---|---|---|
| Breakdown Voltage (VBR) | 14.8 to 16.4 | Volts |
| Clamping Voltage (VC) | 24.4 | Volts (at IPP) |
| Peak Pulse Current (IPP) | 1.0 | Amps |
| Maximum Reverse Leakage Current (IR) | 5 | ??A (at 13.3 V) |
| Reverse Stand-Off Voltage (VRWM) | 13.3 | Volts |
| Junction Capacitance (CJ) | 540 | pF (typical) |
| Operating Temperature Range | -65 to +175 | ??C |
| Package Type | DO-204AC (DO-15) | – |
JAN1N5309UR-1/TR Key Features
- Unidirectional transient voltage suppression: Provides effective clamping of positive voltage transients, protecting circuits from damage caused by voltage spikes.
- High peak pulse power dissipation: Capable of handling surge currents up to 1.0 amp with a pulse power rating that ensures reliable transient suppression under extreme conditions.
- Low leakage current: Minimizes power loss and prevents unwanted conduction during normal operation, enhancing system efficiency and longevity.
- Wide operating temperature range: Supports continuous operation from -65??C to +175??C, ensuring performance stability in harsh industrial and military environments.
- Robust packaging: Encapsulated in a DO-204AC package that offers excellent thermal conductivity and mechanical durability for long-term reliability.
JAN1N5309UR-1/TR Advantages vs Typical Alternatives
This transient voltage suppression diode stands out due to its precise breakdown voltage range and low leakage current, offering superior sensitivity and protection compared to standard diodes. Its military-grade temperature tolerance and robust packaging enhance reliability under extreme conditions. The combination of efficient clamping voltage and high peak pulse current capability provides dependable suppression, making it a preferred choice for critical industrial and defense applications.
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Typical Applications
- Protection of sensitive semiconductor devices in power supply circuits, preventing damage from transient voltage surges commonly found in industrial and automotive systems.
- Use in telecommunications equipment to safeguard line interfaces against lightning-induced and electrostatic discharge transients.
- Integration into military-grade electronic systems requiring high reliability and stringent environmental performance.
- Inclusion in consumer electronics where transient voltage spikes pose a risk to circuit integrity and longevity.
JAN1N5309UR-1/TR Brand Info
The JAN1N5309UR-1/TR is part of a line of transient voltage suppression diodes manufactured by a reputable semiconductor company known for high-reliability components designed to meet military and industrial standards. This product embodies stringent quality control and testing processes to ensure compliance with harsh environmental conditions and long service life. It is widely recognized for its stable electrical characteristics and rugged construction, making it a trusted component among engineers demanding robust transient protection solutions.
FAQ
What is the primary function of this transient voltage suppression diode?
The primary function is to protect sensitive electronic circuits from voltage spikes by clamping transient overvoltages to a safe level. This prevents damage from surges caused by lightning, switching transients, or electrostatic discharge, ensuring system reliability.
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How does the device??s breakdown voltage influence its performance?
The breakdown voltage determines the threshold at which the diode begins to conduct and clamp the voltage spike. A well-defined breakdown voltage range ensures consistent activation during transient events, providing precise and reliable protection without interfering with normal circuit operation.
Why is the low leakage current important in this diode?
Low leakage current minimizes power dissipation during normal operation, reducing energy loss and heat generation. This characteristic is crucial for maintaining efficiency and preventing unintended conduction that could compromise circuit performance.
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Can this device operate in extreme temperature environments?
Yes, the diode is designed to function reliably within a wide temperature range from -65??C up to +175??C. This makes it suitable for harsh industrial and military environments where temperature extremes are common.
What types of applications benefit most from using this diode?
Applications requiring transient voltage protection, such as power supplies, telecommunications, military electronics, and automotive systems, benefit significantly. Its ability to handle high peak pulse currents and operate under extreme conditions makes it ideal for critical protection roles.





