RFMW
Part number B291MB0S Product Type RF Filter - Band Pass from Manufacturer Knowles — DLI – Dielectric Laboratories

Status: Standard | Data Sheet: pdf link image   | RoHS Compliance: Rohs Compliant

Knowles microstrip bandpass filters offer classical filter topologies yielding excellent performance in a small footprint when fabricated on ceramic substrate materials. Miniaturization can reach new levels by employing DLI high-k ceramic materials. Different techniques are employed to realize small size and high performance. Catalog devices come complete with integrated shielding and the surface mount versions are designed for use on most RF PWB materials. Typical features include center frequency from C to Ka band although custom devices are avaliable from 1 to 60 GHz. Band pass filters pass desired frequency range and suppress the rest of undesired spectrum. Designed from 800MHz to 67GHz

Temperature Stable: -55 to 125 degree C
Filter Size reduction: up to 20x using CG material, 10x using CF, 3 times using PG versus typical PWB
High Repeatability - Thin Film manufacturing provides precise manufacturing performance; no tuning

Part Number:
B291MB0S
Manufacturer:
Knowles — DLI – Dielectric Laboratories
Filtering Technology:
Ceramic Substrate
Center Frequency:
29100 MHz
Bandwidth:
3800 MHz
Insertion Loss TYP:
3 dB
Return Loss Typ:
15 dB
Low Side Rejection:
45 dB
Low Side Rejection:
25250 MHz
High Side Rejection:
45 dB
High Side Rejection:
32200 MHz
Package:
SMT
Length:
11.43 mm
Width:
3.556 mm
Height:
2.235 mm
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