Telephone Line Digital Filters
​ ETS-Lindgren's LTC series of telephone line digital filters are ideal for applications including communication lines entering or leaving shielded rooms, computer rooms, communication terminal rooms, and Sensitive Compartmental Information Facilities (SCIF). 

 

 

ETS-Lindgren's LTC series of telephone line digital filters are ideal for applications including communication lines entering or leaving shielded rooms, computer rooms, communication terminal rooms, and Sensitive Compartmental Information Facilities (SCIF). 

LTC-X640 filters have multiple circuits to handle 2, 4, 6, 8, 10 or 12 wires, and are designed for stand-alone, individual mounting. These filters may be supplied with an optional threaded conduit pipe for penetration of a shielded enclosure.

Key Product Information


Specifications Select a tab below for more information




Model
​Passband Impedance
Passband Loss
Stopband Insertion Loss
​Maximum Current
Maximum Voltage
​LTC-X640-C10K
​600 (L-L), 300 (L-G)
​0.5 dB Maximum; 0 to 40 kHz
​100 dB Minimum @ 330 KHz to 18 GHz
0.5
​125
​LTC-X640-D56K
​600 (L-L), 300 (L-G)
​1.0 dB Maximum; 0 to 140 kHz
​100 dB Minimum @ 1 MHz to 18 GHz
​0.5
​125
​LTC-X640-E128K
​150 (L-L), 75 (L-G)
​1.0 dB Maximum; 0 to 300 kHz
​100 dB Minimum @ 1.5 MHz to 18 GHz
​0.5
​125
PLEASE NOTE: For Installation on shield, filters can be ordered with penetration kit. Add "/PEN" to model numbers.


Model
​Number of Lines
​Width
​LTC-2640-C10K
​2
​7.62 cm (3.00 in)
​LTC-4640-C10K
​4
​​5.24 cm (6.00 in)
​LTC-6640-C10K
​6
​30.48 cm (12.00 in)
​LTC-8640-C10K
​8
​​30.48 cm (12.00 in)
​LTC-10640-C10K
​10
​45.72 cm (18.00 in)
​LTC-12640-C10K
​12
​​45.72 cm (18.00 in)
​LTC-2640-D56K
​2
​7.62 cm (3.00 in)
​LTC-4640-D56K
​4
​5.24 cm (6.00 in)
​LTC-6640-D56K
​6
​30.48 cm (12.00 in)
​LTC-8640-D56K
​8
​30.48 cm (12.00 in)
​LTC-10640-D56K
​10
​45.72 cm (18.00 in)
​LTC-12640-D56K
​12
​45.72 cm (18.00 in)
LTC-2640-E128K
​2
​.62 cm (3.00 in)
​LTC-4640-E128K
​4
​15.24 cm (6.00 in)
​LTC-6640-E128K
​6
​30.48 cm (12.00 in)
​LTC-8640-E128K
​8
​30.48 cm (12.00 in)
​LTC-10640-E128K
​10
​45.72 cm (18.00 in)
​LTC-12640-E128K
​12
​45.72 cm (18.00 in)
PLEASE NOTE: For Installation on shield, filters can be ordered with penetration kit. Add "/PEN" to model numbers.


View BIM Models of our Product Options Below:

 

 

Key Features

  • For 2 to 12 Line LTC Filters
  • Signal, Sensor & Voice Communication
  • Data Communication
  • Control Line

Literature and Videos

View Product Information Bulletin
Date Last Updated: Monday, August 20, 2018
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