LTC Series Data Filters
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 Minimum @ 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 |
| 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.
