B038MC9S

Overview

The B038MC9S is a surface-mount bandpass filter manufactured by Knowles Dielectric Labs. It operates at a center frequency of 3.81 GHz with a bandwidth of 380 MHz. The component features an insertion loss of 4 dB and a 50 Ohm impedance. It utilizes a 3-SMD, no-lead package with dimensions of 12.70 mm in length and 6.35 mm in width.

Feature Summary

• Surface-mount construction for board integration
• Bandpass filtering capability at 3.81 GHz
• 50 Ohm system impedance compatibility

Applications

• RF signal conditioning circuits
• Wireless communication systems
• Radio frequency front-end modules

Procurement Notes

Verify the specific datasheet version to confirm exact mechanical tolerances and electrical performance curves. Ensure the 3-SMD no-lead package footprint matches the target PCB layout design requirements before finalizing procurement orders.

Selection Notes

Select this component when a fixed 3.81 GHz center frequency with 380 MHz bandwidth is required. Consider the 4 dB insertion loss and 12.70 x 6.35 mm physical dimensions against available board space and signal attenuation budgets.

Part Context

This part belongs to the Knowles Dielectric Labs RF filter portfolio. It serves as a specialized passive component for microwave applications requiring precise frequency selection within the C-band spectrum range.

Replacement Considerations

No public substitute part numbers are confirmed.