The WMHP100-4R7J is a wire-wound molded power inductor manufactured by TT Electronics. It's designed for high-current power applications requiring robust performance and reliability. This inductor is well-suited for use in power supplies, DC-DC converters, and other power management circuits.

Applications

• DC-DC Converters: Voltage regulation and power conversion in various DC-DC converter topologies.
• Power Supplies: Filtering and energy storage in power supplies for various electronic devices.
• Industrial Equipment: Power management in industrial control systems and automation equipment.
• Automotive Electronics: Power regulation and filtering in automotive electronic control units (ECUs).
• LED Lighting: Powering and controlling LED lighting systems.

Features

• Wire-Wound Construction: Provides high current handling capability and low DC resistance.
• Molded Construction: Offers robust mechanical protection and environmental stability.
• High Saturation Current: Maintains inductance value under high current conditions.
• Low DC Resistance (DCR): Minimizes power loss and improves efficiency.
• Surface Mount Technology (SMT): Suitable for automated assembly processes.

Benefits

• Improved Efficiency: Low DCR contributes to higher power conversion efficiency.
• Reliable Performance: Robust construction ensures stable operation under harsh environmental conditions.
• High Current Handling: Designed to handle high current without saturation.
• Reduced EMI: Shielded construction minimizes electromagnetic interference (EMI).
• Simplified Assembly: SMT design simplifies the manufacturing process and reduces assembly costs.

Additional Details

The '4R7J' in the part number indicates an inductance value of 4.7 μH (microhenries) with a tolerance of ±5%. The 'WMHP100' designates this as a specific model in the TT Electronics' WMHP series. It is crucial to consult the datasheet for specific electrical characteristics, temperature ratings, saturation current, self-resonant frequency, and dimensions. These inductors are typically designed for reflow soldering processes. The wire material and core material significantly impact its overall performance characteristics, especially in high-frequency switching applications.