Triad Magnetics TY-303P Current Rating: 0mA Dimensions: 20.6 mm L x 18.2 mm W x 18.8 mm H Frequency Range: 300 Hz to 3.5 KHz Impedance: 4K Primary, 600 Secondary Insertion Loss: 1dB Typ. Isolation Voltage: 1.5 KVolts Lead Free Status / Rohs Status: Lead free / RoHS Compliant Leaded Process Compatible: Yes Mounting Type: Through Hole Operating Temperature Range: 0 C to + 105 C Peak Reflow Compatible (260 C): Yes Primary Impedance: 4 KOhms Product: Audio Transformers Rohs Compliant: Yes Secondary Impedance: 600 Ohms Series: - Termination Style: Radial Transformer Mounting: Through Hole Transformer Type: Data/Voice Coupling Other Names: 10617, 237-1126