LTC Series Data Filters

Product enquiry for LTC Series Data Filters

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ETS-Lindgren’s LTC Series of filters 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.

Model ​Passband Impedance ​Passband Loss ​Stopband Insertion Loss ​Maximum Current ​Maximum Voltage
​​​LTC-X640-RS232 ​5000 (L-L), 2500 (L-G) ​1.0 dB Maximum; 0 to 100 kHz ​100 dB min @ 330 kHz to 18 GHz ​0.006 ​30
​LTC-X640-RS422 ​100 (L-L), 50 (L-G) ​1.0 dB Maximum:
0 to 10 MHz
​100 dB Minimum @ 30 MHz to 18 GHz ​0.06 30
​LTC-X640-10M ​100 (L-L), 50 (L-G) ​3.0 dB Maximum;
0 to 25 MHz
​100 dB Minimum @ 85 MHz to 18 GHz ​0.5 ​125

NOTE: For Installation on shield, filters can be ordered with penetration kit. Add “/PEN” to model numbers.

Model Number of Lines ​Width
​​​LTC-2640-RS232 2 ​7.62 cm (3.0 in)
​LTC-4640-RS232 4 15.24 cm (6.0 in)
​​LTC-6640-RS232 ​6 ​30.48 cm (12 in)
​​LTC-8640-RS232 ​8 ​30.48 cm (12 in)
​​LTC-10640-RS232 ​10 ​45.72 cm (18 in)
​​LTC-12640-RS232 12​ ​45.72 cm (18 in)
​​​LTC-2640-RS422 ​2 ​7.62 cm (3.0 in)
​​LTC-4640-RS422 ​4 ​15.24 cm (6.0 in)
​​​LTC-6640-RS422 ​6 ​30.48 cm (12 in)
​​​LTC-8640-RS422 ​8 30.48 cm (12 in)
​LTC-10640-RS422 ​10 ​​45.72 cm (18 in)
​​​LTC-12640-RS422 ​12 ​​45.72 cm (18 in)
​LTC-2640-10M ​2 ​7.62 cm (3.0 in)
​​​LTC-4640-10M ​4 ​15.24 cm (6.0 in)
​​​​LTC-6640-10M ​6 ​30.48 cm (12 in)
​​​LTC-8640-10M 8 ​30.48 cm (12 in)
​LTC-10640-10M ​10 ​45.72 cm (18 in)
​​LTC-12640-10M ​12 ​45.72 cm (18 in)

NOTE: For Installation on shield, filters can be ordered with penetration kit. Add “/PEN” to model numbers.

Key Features

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

Application Notes