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Audio / Telephony -
Small Board Area Usage (< 1.0" / 25.4mm Square)

*Click Here to see a full list of Telephony Transformers
Product Name Impedance Turns
Ratio
Frequency
Response
Max
D.C.R.
Dielectric Strength
SPT-010-UL Primary: 600 Ohms
Secondary: 600 Ohms
1:1.0428 300-3500 Hz : ± 0.5 dB 0 mA 1500 Vrms (primary-secondary-core)
SPT-011-UL Primary: 600 Ohms
Secondary: 600 Ohms
1:1.100 300-3500 Hz : ± 0.25 dB 0 mA 1500 Vrms (primary-secondary-core)
SPT-012-UL Primary: 600 Ohms
Secondary: 600 Ohms
1:1 300-600 Hz : ± 2.0 dB 30 mA 1500 Vrms (primary-secondary-core)
SPT-013-UL Primary: 600 Ohms
Secondary: 600 Ohms
1:1 200-4000 Hz : ± .25 dB 0 mA 3750 Vrms for 1 minute (minimum)
SPT-015-UL Primary: 600 Ohms
Secondary: 600 Ohms
1:1 200-4000 Hz : ± .25 dB 0 mA 3750 Vrms for 1 minute (minimum)
SPT-016 Primary: 600 Ohms
Secondary: 600 Ohms
1:1 200-4000 Hz : ± .25 dB 0 mA 3750 Vrms for 1 minute (minimum)
SPT-020-UL Primary: 600 Ohms
Secondary: 600 Ohms
1:1 300-600 Hz : ± 2.5 dB 100 mA 1500 Vrms for 1 minute (minimum)
SPT-021-UL Primary: 600 Ohms
Secondary: 600 Ohms
1:1 300-600 Hz : ± 2.5 dB 100 mA 1500 Vrms for 1 minute (minimum)
SPT-022 Primary: 600 Ohms
Secondary: 600 Ohms
1:1 200-4000 Hz : ± .25 dB 0 mA 1500 Vrms for 1 minute (minimum)
SPT-023 Primary: 600 Ohms
Secondary: 600 Ohms
1:1 200-4000 Hz : ± .25 dB 0 mA 1500 Vrms for 1 minute (minimum)
SPT-024 Primary: 600 Ohms
Secondary: 600 Ohms
1:1 200-4000 Hz : ± 0.20 dB 0 mA 1500 Vrms for 1 minute (minimum)
SPT-032 Primary: 600 Ohms
Secondary: 600 Ohms
1:1 200-4000 Hz : ± 0.20 dB 0 mA 1500 Vrms for 1 minute (minimum)
SPT-034 Primary: 600 Ohms
Secondary: 600 Ohms
1:1 200-4000 Hz : ± 0.20 dB 0 mA 1500 Vrms for 1 minute (minimum)
SPT-040 Primary: 600 Ohms
Secondary: 600 Ohms
1:1 200-4000 Hz : ± 0.3 dB 0 mA 3750 Vrms for 1 minute (minimum)
SPT-041 Primary: 600 Ohms
Secondary: 600 Ohms
1:1 200-4000 Hz : ± 0.3 dB 0 mA 3750 Vrms for 1 minute (minimum)
SPT-042 Primary: 600 Ohms
Secondary: 600 Ohms
1:1 200-4000 Hz : ± 0.3 dB 0 mA 1500 Vrms for 1 minute (minimum)
SPT-043 Primary: 600 Ohms
Secondary: 600 Ohms
1:1 200-4000 Hz : ± 0.3 dB 0 mA 1500 Vrms for 1 minute (minimum)
SPT-044 Primary: 600 Split
Secondary: Split
1:1 200-4000 Hz : ± 0.3 dB 0 mA 1500 Vrms for 1 minute (minimum)
SPT-046 Primary: 600 Ohms
Secondary: 600 Ohms
1:1 200-4000 Hz : ± 0.3 dB 0 mA 1500 Vrms for 1 minute (minimum)
SPT-047 Primary: 600 Ohms
Secondary: 600 Ohms
1:1 200-4000 Hz : ± 0.3 dB 0 mA 1500 Vrms for 1 minute (minimum)
SPT-048 Primary: 600 Ohms
Secondary: 600 Ohms
1:1 200-4000 Hz : ± 0.3 dB 0 mA 1500 Vrms for 1 minute (minimum)
SPT-049 Primary: 600 Ohms
Secondary: 600 Ohms
1:1 200-4000 Hz : ± 0.3 dB 0 mA 1500 Vrms for 1 minute (minimum)
SPT-050 Primary: 600 Ohms
Secondary: 600 Ohms
1:1 200-4000 Hz : ± 0.3 dB 0 mA 1500 Vrms for 1 minute (minimum)
SPT-113-UL Primary: 600 Ohms
Secondary: 600 Ohms
1:1 300-3500 Hz : ± 0.5 dB 50 mA 1500 Vrms (primary-secondary-core)
SPT-115-UL Primary: 600 Ohms
Secondary: 600 Ohms
1:1 300-3500 Hz : ± 0.55 dB 60 mA 1500 Vrms (primary-secondary-core)
SPT-128-UL Primary: 600 Ohms
Secondary: 600 Ohms
1:1 300-3500 Hz : ± 0.5 dB 0 mA 1500 Vrms (primary-secondary-core)
SPT-131-UL Primary: 600 Ohms
Secondary: 600 Ohms
1:1 300-3500 Hz : ± 0.5 dB 0 mA 1500 Vrms (primary-secondary-core)
SPT-196-UL Primary: 600 Ohms
Secondary: 600 Ohms
1:1 300-3500 Hz : ± 0.5 dB 50 mA 1500 Vrms (primary-secondary-core)
SPT-197-UL Primary: 600 Ohms
Secondary: 600 Ohms
1:1 300-3500 Hz : ± 0.55 dB 0 mA 1500 Vrms (primary-secondary-core)
SPT-1103 Primary: 600 Ohms
Secondary: 600 Ohms
1:1.028 300-3500 Hz : ± 0.5 dB 0 mA 1500 Vrms (primary-secondary-core)
SPT-1104-UL Primary: 600 Ohms
Secondary: 600 Ohms
1:1.028 300-3500 Hz : ± 0.5 dB 0 mA 1500 Vrms (primary-secondary-core)
SPT-2104-UL Primary: 600 Ohms
Secondary: 600 Ohms
1:1.037 300-3500 Hz : ± 0.5 dB 0 mA 1500 Vrms (primary-secondary-core)
SPT-2105-UL Primary: 600 Ohms
Secondary: 600 Ohms
1:1 300-600 Hz : ± 3.0 dB 80 mA 1500 Vrms (primary-secondary-core)
SPT-2106-UL Primary: 600 Ohms
Secondary: 600 Ohms
1:1.052 300-3500 Hz : ± 0.25 dB 0 mA 1500 Vrms (primary-secondary-core)
SPT-2107-UL Primary: 600 Ohms
Secondary: 600 Ohms
1:1.04 500-3500 Hz : ± 1.3 dB 90 mA 1500 Vrms (primary-secondary-core)
SPT-2108-UL Primary: 600 Ohms
Secondary: 600 Ohms
1:1.04 500-3500 Hz : ± 1.3 dB 90 mA 1500 Vrms (primary-secondary-core)
SPT-2109-UL Primary: 600 Ohms
Secondary: 600 Ohms
1:1.04 500-3500 Hz : ± 1.3 dB 90 mA 1500 Vrms (primary-secondary-core)
SPT-2110-UL Primary: 600 Ohms
Secondary: 600 / 600 Ohms
1:1.41 300-3500 Hz : + 0.3 dB 50 mA 1500 Vrms (primary-secondary-core)




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