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Compact Ceramic Bandpass Filter Mini Circuits BFCN 1690 Plus for Harmonic Rejection in RF Systems

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Compact Ceramic Bandpass Filter Mini Circuits BFCN 1690 Plus for Harmonic Rejection in RF Systems

Impedance : 50Ω

Insertion Loss : 2.53dB

Type of Filter : Bandpass Filter

Bandwidth : 1570MHz~1810MHz

Frequency - Center : 1.69GHz

Description : 50Ω 2.53dB 1570MHz~1810MHz 1.69GHz SMD-6P,3.2x1.6mm Ceramic Filters RoHS

Mfr. Part # : BFCN-1690+

Model Number : BFCN-1690+

Package : SMD-6P,3.2x1.6mm

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Mini-Circuits BFCN-1690+ Ceramic Bandpass Filter

The Mini-Circuits BFCN-1690+ is a ceramic bandpass filter designed for harmonic rejection in transmitters and receivers. It features good VSWR (1.29:1 typ. @ passband), a small size (0.126 x .063 x .035), and temperature stability due to its LTCC construction. This filter is suitable for applications requiring precise frequency filtering within the 1570 to 1810 MHz range.

Product Attributes

Brand: Mini-Circuits
Model: BFCN-1690+
Material: Ceramic, LTCC
Compliance: +RoHS Compliant
Origin: USA (implied by P.O. Box and phone number)

Technical Specifications

Parameter	Frequency (MHz)	Min.	Typ.	Max.	Unit
Pass Band
Center Frequency			1690		MHz
Insertion Loss	1570 - 1810		2.5	5.0	dB
VSWR	1570 - 1810		1.29	2.0	:1
Stop Band, Lower
Insertion Loss	DC - 1200	17	25.5		dB
VSWR	DC - 1200	17	24		:1
Stop Band, Upper
Insertion Loss	2170 - 4400	20	30		dB
VSWR	2170 - 4400	5	20		:1
Maximum Ratings
Operating Temperature		-55		100	C
Storage Temperature		-55		100	C
RF Power Input*	Passband @ 25C		1.0		W

*Passband rating, derate linearly to 0.25W at 100C ambient.

Pad Connections

Input: 1
Output: 3
Ground: 2,4,5,6

Outline Dimensions

A (inch/mm)	B (inch/mm)	C (inch/mm)	D (inch/mm)	E (inch/mm)	F (inch/mm)	G (inch/mm)	H (inch/mm)	J (inch/mm)	K (inch/mm)	wt (grams)
.126 / 3.20	.063 / 1.60	.035 / 0.89	.024 / 0.61	.022 / 0.56	.011 / 0.28	.039 / 0.99	.024 / 0.61	.042 / 1.07	.123 / 3.12	.020

Applications

Harmonic rejection
Transmitters / Receivers

2410311338_Mini-Circuits-BFCN-1690-_C4990073.pdf

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