The LQH3ERN3R9G01L is a wire-wound chip inductor produced by Murata Electronics. This inductor is designed for use in high-frequency circuits and offers a compact size and excellent electrical characteristics. It is often used in impedance matching, filtering, and resonance tuning applications.

Applications:

• RF Circuits: Used in radio frequency circuits for impedance matching, filtering, and tuning.
• Mobile Communication Devices: Found in smartphones, tablets, and other mobile devices for signal conditioning.
• Wireless Communication Systems: Employed in wireless routers, access points, and other wireless systems for signal processing.
• High-Frequency Filters: Used in high-frequency filter circuits to attenuate unwanted signals.
• Oscillators: Integrated into oscillator circuits for resonance tuning.

Features:

• Small Size: Compact dimensions allow for high-density mounting on printed circuit boards.
• High Self-Resonant Frequency (SRF): Offers excellent performance in high-frequency applications.
• Tight Tolerance: Provides precise inductance value for accurate circuit performance.
• Low DC Resistance (DCR): Minimizes power loss in the circuit.
• RoHS Compliant: Meets environmental standards for hazardous substance restrictions.

Benefits:

• Improved Signal Quality: Enhances signal clarity and reduces interference in RF circuits.
• Compact Design: Enables smaller and lighter electronic devices.
• Precise Circuit Performance: Ensures accurate tuning and filtering in high-frequency applications.
• Reduced Power Consumption: Minimizes power loss due to low DC resistance.
• Environmentally Friendly: Complies with RoHS standards, reducing environmental impact.

Additional Details:

The LQH3ERN3R9G01L has an inductance value of 3.9 nH (nanohenries) and a tolerance of ±2%. Its self-resonant frequency (SRF) is typically very high, making it suitable for GHz applications. It is designed for surface mount technology (SMT) and is supplied in tape and reel packaging for automated assembly. The operating temperature range is typically -40°C to +85°C. The low DC resistance (DCR) is crucial for minimizing power loss in high-frequency circuits. The wire-wound construction provides high Q-factor and stable inductance over temperature. This inductor is commonly used with a variety of RF integrated circuits from different manufacturers in RF amplifier, filter, and oscillator applications. The core material is chosen to minimize core losses at high frequencies.