The 1255AY-1R0N is a fixed inductor manufactured by Toko America Inc. It's a surface mount inductor with an inductance value of 1.0 microhenry.

Applications:

• RF circuits.
• Power supplies.
• DC-DC converters.
• Filter circuits.
• Impedance matching.

Features:

• Surface mount design.
• Shielded construction for reduced EMI.
• High Q factor.
• Small physical size.

Benefits:

• Easy and efficient PCB assembly.
• Minimized electromagnetic interference with surrounding components.
• Improved performance in resonant circuits.
• Compact design for high-density board layouts.

The 'N' suffix in the part number indicates the inductance tolerance, typically ±3%. The shielded construction is effective for minimizing electromagnetic interference (EMI). Parameters like saturation current (Isat), self-resonant frequency (SRF), and DC resistance (DCR) are crucial for selecting the right inductor for an application. The 1255AY series usually features a ferrite core. Consult the Toko datasheet for precise specifications.