Telephone transformer 600ohm/600ohm

Specifications

• impedance ratio:
• Primary Zp: 600ohm ± 5% Secondary Zs: 600ohm ± 5
• secondary Zs: 600ohm ± 5% DC resistance
• DC resistance:
• Primary Rp: 60ohm ± 5% Secondary Rs: 60ohm ± 5
• Secondary Rs: 60ohm ± 5% Impedance variation: ± 3% (at 1kHz)
• impedance variation: ± 3% (at 1kHz, 1V, 0mACC)
• frequency response: < ± 3dB, 300Hz to 4kHz for 0dB to 1kHz
• centre tap unbalance: 3% max. (at 1kHz, 1V, 0mACC)
• isolation between coils: 100Mohm min, 100Vdc
• bypass voltage: 100V HiPOT for 1 minute
• insertion damping: 2.5dB max. (at 1kHz, 1V, 0mACC)