Mini-Circuits BFCN-1840 Compact LTCC Band Pass Filter with 12 Layers and Enhanced RF Characteristics

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Product Description

Product Overview

The BFCN-1840+ LTCC Band Pass Filter is constructed with 12 layers to achieve a miniature size and high repeatability of performance. Wrap-around terminations minimize variations in performance due to parasitics. Covering 1840 MHz 90 MHz, these units offer low insertion loss and good rejection.

Product Attributes

Brand: Mini-Circuits
Material: LTCC (Low Temperature Co-Fired Ceramic)
Certifications: +RoHS Compliant

Technical Specifications

Parameter	Frequency (MHz)	Min.	Typ.	Max.	Unit	Notes
Pass Band	1750-1930			3.0	dB	Insertion Loss
Pass Band	1750-1930			2.5	:1	VSWR
Stop Band, Lower	DC-1460		20		dB	Insertion Loss
Stop Band, Lower	DC-1460		25		:1	VSWR
Stop Band, Upper	3500-5700		25		dB	Insertion Loss
Stop Band, Upper	3500-5700		20		:1	VSWR
Center Frequency	1840				MHz

Key Features

Small size (3.2mm x 1.6 mm)
Pass band (1750-1930 MHz)
Low Insertion Loss (2.0 dB typical)
Sharp rejection peaks close to stop band
Temperature stable
Hermetically sealed
LTCC construction
Wrap around termination for excellent solderability and visual inspection
Provides good rejection of signals at harmonic frequencies

Applications

Harmonic Rejection
Transmitters / Receivers

Maximum Ratings

Parameter	Value	Unit	Notes
Operating Temperature	-55 to 100	C
Storage Temperature	-55 to 100	C
RF Power Input	1.5	W max.	at 25C ambient; derate linearly to 0.25W at 100C ambient