Ceramic Low Pass Filter Mini Circuits LFCN 6400D Plus for Harmonic Rejection in VHF UHF Applications

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Product Description

Product Overview

The LFCN-6400D+ is a ceramic low-pass filter designed for 50 Ohm systems, operating from DC to 6400 MHz. It offers excellent power handling (8W), a small size, and is constructed with LTCC technology for temperature stability. This filter is ideal for harmonic rejection in VHF/UHF transmitters and receivers, as well as for general lab use.

Product Attributes

Brand: Mini-Circuits
RoHS Compliant: Yes
Construction: LTCC
Material: Ceramic
Origin: USA (implied by P.O. Box and contact info)
Certifications: RoHS Compliant (+Suffix)

Technical Specifications

Parameter	Frequency (MHz)	Min.	Typ.	Max.	Units	Notes
Passband Insertion Loss	DC-6400	-	-	2.0	dB	1, 2
Freq. Cut-Off	7200	-	3.0	-	dB	1, 2
VSWR	DC-6400	-	1.2	-	:1	1, 2
Stop Band Rejection Loss	8300	20	-	-	dB	1, 2
Stop Band Rejection Loss	7700-10200	-	30	-	dB	1, 2
Stop Band Rejection Loss	10200-12500	-	20	-	dB	1, 2
Stop Band VSWR	8300-12500	-	17	-	:1	1, 2

Maximum Ratings

Parameter	Ratings	Notes
Operating temperature	-55C to 100C	-
Storage temperature	-55C to 100C	-
RF Power Input	8 W max. at 25C	3
Max. DC Voltage at pins 1&3	25 VDC	-
DC Current Input to Output	0.5A max. at 25C	-

Typical Performance Data at 25C

Frequency (MHz)	Insertion Loss (dB)	VSWR (:1)
40	0.02	1.04
500	0.07	1.02
2000	0.20	1.14
4000	0.40	1.36
5500	0.55	1.09
6400	1.25	1.53
7000	1.76	1.10
7200	3.12	1.81
7350	6.62	3.90
7500	12.86	7.76
7680	24.39	12.35
7770	35.48	14.62
8300	28.71	22.29
10200	30.17	16.89
11000	25.43	17.75
12500	19.72	15.39
15000	13.80	8.90