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

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

ETS-Lindgren's LTC series of telephone line data 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.

Specifications
View the Telephone Line Data Filters technical specifications below

Physical Specifications

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.


Electrical Specifications



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.


Related Products
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