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The TDK YFF21SC1H101MT000N is a surface-mount feedthrough capacitor from the YFF-SC series, designed for electromagnetic interference suppression. It features a capacitance of 100 pF with a tolerance of ±20% and a rated DC voltage of 50V. The component operates within a temperature range of -55°C to 125°C. Key electrical specifications include a maximum DC resistance (DCR) of 500 mΩ and a rated current of 400 mA. It provides an insertion loss of 30 dB in the frequency range of 1 GHz to 5 GHz. The device utilizes a 0805 (2012 Metric) package with four PCB pads.
This component is officially classified as obsolete and no longer manufactured by TDK. Verification of availability should focus on surplus or secondary market sources rather than direct production lines. Buyers must confirm the authenticity of stock and check for potential obsolescence notices or product change notifications associated with this part number before procurement decisions are finalized.
Designers requiring active components should consider alternative parts from the same family or compatible series due to the obsolete status of this specific model. Selection criteria should prioritize matching the original 100 pF capacitance, 50V rating, and 0805 footprint while ensuring the substitute meets the required 400 mA current handling and insertion loss specifications for the target application environment.
The YFF21SC1H101MT000N belongs to the YFF-SC series of ceramic feedthrough capacitors manufactured by TDK Corporation. These components are engineered for surface-mount technology and are characterized by their ability to filter noise on signal lines while maintaining signal integrity. The series is known for its compact form factor and robust performance in high-frequency environments, making it suitable for modern electronic devices requiring efficient EMI control.
KYOCERA AVX W2F11A1018AT1F is listed as a public confirmed substitute part number.