600 Ohm / 600 Ohm Mini Telephone Isolation Transformer
Impedance: 600 Ohm line, 600 Ohm equip. Turns Ratio: 1:1 Max Level: 0dBm Insertion Loss: 1.4dB max @ 1kHz Return Loss: >16dB @ 300Hz - 3.5kHz Proof Test: 3.0kV AC 1 minute Dimension: 12L x 11H x 11W Weight: 5 gms PCB hole size: 0.7mm