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Audio / Telephony -
2 to 4 Wire Hybrid Transformers ("Wet" and "Dry")

*Click Here to see a full list of Telephony Transformers
Product Name Impedance Turns
Ratio		 Frequency
Response		 Max
D.C.R.		 Dielectric Strength
SPT-176-UL Primary: 600 Ohms
Secondary: 600 / 600 Ohms 		1:1.149 300-3500 Hz : ± 0.5 dB 120 mA 1500 Vrms (primary-secondary-core)
SPT-177-UL Primary: 900 Ohms
Secondary: 600 / 600 Ohms 		1:1.158 300-3500 Hz : ± 0.5 dB 120 mA 1500 Vrms (primary-secondary-core)
SPT-180-UL Primary: 600 Ohms
Secondary: 600 / 600 Ohms 		1:1.6 300-3500 Hz : ± 0.5 dB 0 mA 1500 Vrms (primary-secondary-core)
SPT-181-UL Primary: 900 Ohms
Secondary: 600 / 600 Ohms 		1:1.257 300-3500 Hz : ± 0.5 dB 0 mA 1500 Vrms (primary-secondary-core)
SPT-182-UL Primary: 600 Ohms
Secondary: 600 / 600 Ohms 		1:1.160 300-3500 Hz : ± 0.5 dB 50 mA 1500 Vrms (primary-secondary-core)
SPT-183-UL Primary: 900 Ohms
Secondary: 600 / 600 Ohms 		1:1.257 300-3500 Hz : ± 0.5 dB 50 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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