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Compact LTCC low pass filter Mini Circuits LFCG 1800 plus with 1800 MHz passband and 50 dB rejection

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Compact LTCC low pass filter Mini Circuits LFCG 1800 plus with 1800 MHz passband and 50 dB rejection

Cut-Off Frequency : 1.8GHz

Impedance : 50Ω

Insertion Loss : 1.1dB

Type of Filter : Low-pass Filter

Description : 50Ω 1.1dB SMD-8P,2x1.2mm Ceramic Filters RoHS

Mfr. Part # : LFCG-1800+

Model Number : LFCG-1800+

Package : SMD-8P,2x1.2mm

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Product Overview

Mini-Circuits LFCG-1800+ is an LTCC low pass filter designed for applications requiring a passband from DC to 1800 MHz. It offers excellent stopband rejection of 50 dB typical, low insertion loss of 1.1 dB typical, and robust power handling up to 5.5W. Its compact 0805 ceramic form factor makes it ideal for dense PCB layouts, providing stable performance across a wide operating temperature range of -55 to +125C.

Product Attributes

Brand: Mini-Circuits
Construction: LTCC Ceramic
Certifications: +RoHS Compliant
Size: 0.079" x 0.049" x 0.037" (0805)
Origin: USA (implied by address and company name)

Technical Specifications

Model	Type	Frequency Range	Impedance	Insertion Loss (Typ.)	Rejection (Typ.)	Power Handling (Max.)	Operating Temperature	Case Style
LFCG-1800+	Low Pass Filter	DC to 1800 MHz	50	1.1 dB (Passband)	50 dB (Stopband)	5.5W (@25C)	-55C to 125C	GE0805C-2

Key Features & Advantages

Ultra-wide stopband rejection up to 10 GHz
Rugged LTCC construction for harsh environments
Tiny 0805 size (2.0 mm x 1.25 mm) for space-saving designs
Excellent power handling capability
Temperature stable performance
Wrap-around terminations for superior solderability

Applications

Harmonic Rejection
VHF/UHF transmitters / receivers
radar applications
Test and measurement
Telecommunications & broadband wireless applications

Electrical Specifications

Parameter	Frequency (MHz)	Min.	Typ.	Max.	Unit
Pass Band Insertion Loss	DC-1800		1.1	2.2	dB
Freq. Cut-Off	2030		3.0		dB
Return Loss	DC-1800		21		dB
Stop Band Rejection Loss	2450-2900	20	40		dB
	2900-7000	35	47		dB
	7000-10000		35		dB

Maximum Ratings

Rating	Value
Operating Temperature	-55C to 125C
Storage Temperature	-55C to 125C
RF Power Input	5.5W max.@25C (Passband rating, derate linearly to 1W at 125C ambient)

2506301329_Mini-Circuits-LFCG-1800-_C4989717.pdf

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