B120JA3S-T

Overview

The B120JA3S-T is a surface mount bandpass filter manufactured by Knowles Dielectric Labs. It operates with a center frequency of 12 GHz and features a bandwidth of 100 MHz. The component exhibits an insertion loss of 5.25 dB and utilizes an 8-SMD, no-lead package configuration.

Feature Summary

• Surface mount construction for automated assembly
• Bandpass filtering capability at 12 GHz
• Compact 8-SMD no-lead footprint

Applications

• RF signal conditioning circuits
• Wireless communication systems
• Microwave instrumentation

Procurement Notes

Verify the specific datasheet version for the B120JA3S-T to confirm current manufacturing status and compliance certifications. Ensure compatibility with standard reflow soldering profiles for 8-SMD packages. Confirm availability through authorized distributors as supply levels may vary.

Selection Notes

Select this component when a 12 GHz center frequency with narrow 100 MHz bandwidth is required. The 5.25 dB insertion loss should be evaluated against system link budget requirements. The 8-SMD form factor suits high-density PCB layouts.

Part Context

This part belongs to the Knowles Dielectric Labs RF filter portfolio, designed for microwave applications. It complements other surface mount filters in the series, offering standardized packaging for consistent manufacturing processes across different frequency bands.

Replacement Considerations

Check for direct substitutes within the same manufacturer series that match the 12 GHz center frequency and 8-SMD package dimensions. Verify electrical equivalence regarding bandwidth and insertion loss before substitution.