The R921CY-100M=P3 is a wire-wound chip inductor manufactured by Toko America Inc. It's designed for various high-frequency applications where inductance is needed in a small surface-mount package. The '=P3' suffix likely refers to specific packaging or tolerance characteristics relevant to manufacturing processes.

Applications

• RF Circuits: Matching networks, filter circuits, and oscillator circuits.
• Wireless Communication Devices: Mobile phones, Bluetooth modules, and WLAN devices.
• High-Frequency Power Supplies: DC-DC converters and voltage regulators.
• Consumer Electronics: Televisions, radios, and audio equipment.
• Industrial Control Systems: Signal processing and noise filtering.

Features

• Wire-Wound Construction: Provides high Q factor and excellent self-resonant frequency (SRF).
• Surface Mount Technology (SMT): Designed for automated assembly on printed circuit boards.
• Compact Size: Minimizes board space requirements.
• High Current Handling Capability: Allows for use in power circuits.
• RoHS Compliant: Meets environmental regulations for hazardous substances.

Benefits

• Improved Circuit Performance: High Q factor minimizes losses and improves signal integrity.
• Simplified Assembly: SMT design reduces assembly time and cost.
• Reduced Board Size: Compact size enables smaller and more efficient designs.
• Reliable Operation: Robust construction ensures long-term performance.
• Environmentally Friendly: RoHS compliance minimizes environmental impact.

Additional Details

The R921CY-100M=P3 has an inductance value of 10 μH (microhenries) with a specified tolerance, which is indicated by the '100M'. It is crucial to consult the manufacturer's datasheet for precise specifications such as DC resistance (DCR), self-resonant frequency (SRF), rated current, and operating temperature range. The physical dimensions are also critical for PCB layout and assembly. The 'CY' portion of the part number likely refers to specific materials or construction techniques used in the inductor.