DSS1NB32A121Q91A

Overview

The Murata DSS1NB32A121Q91A is a three-terminal feed-through capacitor from the EMIFIL DSS series. It features a capacitance of 120 pF with a tolerance of ±10%. The component has a DC voltage rating of 100 V and a current rating of 6 A. It utilizes radial termination with three terminals for through-hole mounting. Physical dimensions are 8.5 mm in length, 3.5 mm in width, and 7.5 mm in height. The operating temperature range spans from -40°C to +85°C. Insulation resistance is specified at 50 MOhms.

Feature Summary

• LC (T-Type) third-order low-pass EMI filter architecture
• Three-terminal radial design for effective noise suppression
• High current handling capability up to 6 A

Applications

• General purpose EMI/RFI filtering
• Power line noise suppression
• Signal line interference reduction

Procurement Notes

Verify end-of-life status before finalizing designs. Confirm availability through authorized distributors as stock levels fluctuate. Ensure compatibility with existing PCB footprints and thermal requirements. Check for alternative components if long-term supply stability is required. Validate specifications against specific application constraints prior to procurement.

Selection Notes

Select this component for applications requiring compact three-terminal filtering with high current capacity. The 120 pF value suits high-frequency noise attenuation. Ensure the 100 VDC rating meets circuit voltage requirements. Verify that the radial lead configuration fits the assembly process. Consider the limited operating temperature range for environmental suitability.

Part Context

This part belongs to the Murata EMIFIL DSS1NB3 series of small-type leaded three-terminal capacitors. These components are designed for efficient electromagnetic interference suppression in electronic circuits. The series offers various capacitance values within a standardized package size to facilitate design flexibility across different filtering needs.

Replacement Considerations

The manufacturer has scheduled this part for obsolescence. Designers should identify equivalent three-terminal feed-through capacitors with matching capacitance, voltage, and current ratings. Verify physical dimensions and terminal configurations to ensure mechanical compatibility during replacement.