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

The LTC-X640 series filters have multiple circuits to handle 2, 4, 6, 8, 10 or 12 wires, and are designed for stand-alone, individual mounting. The LTC-X640 series 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

Passband ImpedancePassband LossStopband Insertion LossMax CurrentMax Voltage
1.0 dB Maximum
0 to 1000 Hz
100 dB Minimum @
14 kHz to 20 GHz
5 AMP125 VAC

Number of Lines
​7.62 cm (3.0 in)
15.24 cm (6.0 in)
​30.48 cm (12 in)
​30.48 cm (12 in)
​45.72 cm (18 in)
12​​45.72 cm (18 in)

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, DC signaling
  • Control Line

Literature and Videos

Date Last Updated: Wednesday, March 24, 2021
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