0400FA18A0400001E

Overview

The 0400FA18A0400001E is a ceramic surface-mount filter manufactured by Johanson Technology Inc. Designed for FM broadcast reception, it operates with a center frequency of 400 MHz and features a bandwidth of 350 MHz. The component exhibits an insertion loss of 20 dB and maintains a nominal impedance of 50 Ohms. It is housed in a compact 1206 (3216 metric) package measuring 3.20 mm in length, 1.60 mm in width, and 1.10 mm in maximum height. This passive device supports standard SMD/SMT board mounting techniques.

Feature Summary

• Utilizes ceramic construction for stable RF signal filtering performance
• Optimized specifically for FM broadcast band applications
• Compact surface-mount design facilitates automated PCB assembly

Applications

• FM radio receiver front-end filtering
• Broadcast signal conditioning circuits
• Consumer electronics requiring RF interference suppression

Procurement Notes

This specific part number is officially listed as discontinued by the manufacturer. Inventory availability is strictly limited to existing stock held by distributors or authorized suppliers. Procurement should focus on verifying the authenticity of remaining units and confirming that the components have not exceeded their shelf life specifications prior to purchase.

Selection Notes

Engineers must evaluate alternative active or passive filtering solutions due to the discontinuation status of this component. Selection criteria should prioritize filters matching the 400 MHz center frequency and 50 Ohm impedance requirements. Verify that replacement options support the same 1206 footprint to minimize redesign efforts for existing circuit layouts.

Part Context

The 0400FA18A0400001E belongs to Johanson Technology's portfolio of miniature RF ceramic components. These devices are engineered for high-frequency signal processing within constrained physical spaces. The product line emphasizes reliability and consistent electrical characteristics across varying environmental conditions for consumer and industrial applications.

Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation.