JANTX1N5291-1 Overview
The JANTX1N5291-1 is a high-reliability silicon avalanche diode designed for transient voltage suppression and overvoltage protection in demanding electronic systems. Engineered to meet military and aerospace standards, this device provides robust, stable avalanche breakdown with precise voltage clamping. Its rugged construction ensures consistent performance under harsh environmental conditions, making it ideal for safeguarding sensitive semiconductor components from voltage spikes. Available through IC Manufacturer, the device delivers dependable operation in critical circuit protection applications where long-term reliability and predictable electrical characteristics are essential.
JANTX1N5291-1 Technical Specifications
| Parameter | Specification |
|---|---|
| Breakdown Voltage (VBR) | 82.5 V (Min), 91 V (Max) |
| Test Current (IT) | 0.1 mA |
| Maximum Avalanche Current (IAV) | 30 A (single pulse) |
| Leakage Current (IR) | 50 ??A (Max at VR = 75 V) |
| Power Dissipation (PD) | 5 W (steady state) |
| Junction Capacitance (CJ) | 20 pF (typical at 1 MHz, 0 V) |
| Operating Temperature Range | -65??C to +200??C |
| Package Type | DO-41 axial leaded |
JANTX1N5291-1 Key Features
- Precise Avalanche Breakdown Voltage: Guarantees consistent clamping at 82.5 V minimum, protecting circuits from transient voltage surges with minimal variance across production.
- High Surge Current Capability: Supports single pulse avalanche currents up to 30 A, enabling robust transient suppression in high-stress environments.
- Low Leakage Current: Maintains leakage below 50 ??A at rated voltage, reducing standby power loss and enhancing overall circuit efficiency.
- Wide Operating Temperature Range: Reliable performance from -65??C to +200??C ensures suitability for extreme aerospace and military applications.
- Compact DO-41 Package: Facilitates easy integration into existing PCB layouts with standard axial lead configuration for through-hole mounting.
- Stable Junction Capacitance: Low capacitance around 20 pF minimizes impact on high-frequency circuits, important for RF and communication systems.
JANTX1N5291-1 Advantages vs Typical Alternatives
This avalanche diode provides superior voltage precision and surge handling compared to typical transient suppression devices. Its low leakage current improves system efficiency, while the extended temperature rating ensures durability under harsh conditions. Compared to general-purpose diodes, it offers enhanced reliability and predictable avalanche characteristics critical for military and aerospace electronics requiring robust circuit protection.
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Typical Applications
- Transient voltage suppression in aerospace and defense systems, protecting sensitive semiconductors from high-energy voltage spikes during power surges or electrostatic discharge events.
- Overvoltage protection in industrial control equipment where high reliability and extended temperature tolerance are mandatory.
- Voltage clamping in communication devices operating in harsh environments requiring low leakage and stable capacitance.
- Surge protection in precision instrumentation circuits to maintain signal integrity and prevent damage from transient events.
JANTX1N5291-1 Brand Info
This product is part of the JANTX series, a line of military-grade avalanche diodes known for their stringent quality standards and rugged performance. Manufactured to MIL-PRF-19500 specifications, these devices undergo rigorous screening to ensure consistency in avalanche voltage, current handling, and thermal stability. The JANTX1N5291-1 represents a trusted solution for engineers requiring dependable transient voltage protection components that meet demanding aerospace and defense requirements.
FAQ
What is the primary function of the JANTX1N5291-1 diode?
The device functions as an avalanche diode designed to protect electronic circuits by clamping transient voltage spikes. It enters avalanche breakdown at a precise voltage level, safely diverting surge currents and preventing damage to sensitive components.
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What makes this diode suitable for aerospace and military applications?
Its compliance with MIL-PRF-19500 standards, wide operating temperature range from -65??C to +200??C, and high surge current capability ensure reliable operation in extreme environments commonly encountered in aerospace and military systems.
How does the leakage current affect circuit performance?
Low leakage current, rated at a maximum of 50 ??A, minimizes power loss when the device is in its non-conductive state. This characteristic is crucial for maintaining energy efficiency and preventing unwanted current flow in sensitive applications.
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What packaging options are available for this diode?
The diode comes in a DO-41 axial leaded package, which supports through-hole mounting and is compatible with standard PCB designs, facilitating easy integration into existing systems.
Can this device handle repeated surge events?
While the diode can handle single pulse avalanche currents up to 30 A, repeated surges should be assessed carefully within application-specific parameters to ensure longevity. Its rugged construction enhances durability, but system designers should consider appropriate derating for continuous surge conditions.
