Overview
The 5KP43A-HRA is a high-reliability Transient Voltage Suppressor (TVS) diode manufactured by Littelfuse Inc. This component is specifically designed to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events. The 5KP-HRA series is known for its robust performance and reliability, making it suitable for a wide range of applications including telecom, computer, industrial, and consumer electronic devices.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Peak Pulse Power Dissipation by 10/1000μs Test Waveform | PPPM | 5000 | W |
| Steady State Power Dissipation on Infinite Heat Sink at TL=75ºC | PD | 8.0 | W |
| Peak Forward Surge Current, 8.3ms Single Half Sine Wave Unidirectional Only | IFSM | 400 | A |
| Maximum Instantaneous Forward Voltage at 100A for Unidirectional Only | VF | 3.5/5.0 | V |
| Operating Junction and Storage Temperature Range | TJ, TSTG | -55°C to 175°C | °C |
| Reverse Stand-off Voltage | VR | 43 | V |
| Breakdown Voltage @ IT Test Current | VBR | 47.8 - 52.8 | V |
| Maximum Clamping Voltage @ IPP | VC | 69.4 | V |
| Maximum Peak Pulse Current | IPP | 73.5 | A |
| Maximum Reverse Leakage @ VR | IR | 5 µA | µA |
| Package | P600, Axial |
Key Features
- High Peak Pulse Power Dissipation: 5000W at 10/1000μs waveform, providing robust protection against transient voltage events.
- Fast Response Time: Quickly responds to voltage transients, ensuring effective protection of sensitive electronic equipment.
- High Reliability: Designed for high-reliability applications, including avionics and other critical systems.
- Wide Operating Temperature Range: Operates from -55°C to 175°C, making it suitable for various environmental conditions.
- Glass Passivated Chip Junction: Enhances the component's durability and reliability.
Applications
- Telecom and Computer Systems: Protects I/O interfaces, VCC bus, and other vulnerable circuits in telecommunications and computer systems.
- Industrial Electronics: Used in industrial control systems, power supplies, and other industrial electronic applications.
- Consumer Electronics: Protects sensitive components in consumer electronic devices from voltage transients.
- Avionics and Aerospace: Suitable for high-reliability applications in avionics and aerospace due to its robust performance and compliance with stringent standards.
Q & A
- What is the peak pulse power dissipation of the 5KP43A-HRA TVS diode?
The peak pulse power dissipation is 5000W at a 10/1000μs waveform.
- What is the reverse stand-off voltage of the 5KP43A-HRA?
The reverse stand-off voltage is 43V.
- What is the maximum clamping voltage of the 5KP43A-HRA?
The maximum clamping voltage is 69.4V at IPP.
- What is the operating temperature range of the 5KP43A-HRA?
The operating temperature range is from -55°C to 175°C.
- What type of package does the 5KP43A-HRA come in?
The 5KP43A-HRA comes in a P600, axial package.
- What are the typical applications of the 5KP43A-HRA TVS diode?
Typical applications include telecom, computer, industrial, and consumer electronic systems, as well as avionics and aerospace.
- What is the maximum peak pulse current of the 5KP43A-HRA?
The maximum peak pulse current is 73.5A.
- Does the 5KP43A-HRA have any special certifications or compliances?
The 5KP43A-HRA is designed to meet high-reliability standards and complies with various industry regulations, including those for avionics and aerospace applications.
- How does the 5KP43A-HRA protect against voltage transients?
The 5KP43A-HRA protects against voltage transients by clamping the voltage to a safe level, thereby preventing damage to sensitive electronic equipment.
- What is the maximum forward surge current of the 5KP43A-HRA?
The maximum forward surge current is 400A for an 8.3ms single half sine wave.
