The surface-mount SM501-1 transformer is suitable for a range of BS6305 impedance Class A non-speech data and Class B voice applications in telecom equipment, laptops, modems, and instrumentation. Its dielectric strength ranges up to 4.6 kVrms and meets various international safety standards. Specs include an impedance of 600? (both primary/secondary), a turns ratio of 1:1, 3.8H shunt inductance, and a 6 mH to 7 mH leakage inductance at 1 kHz. The component comes in a 12.5 mm x 9.6 mm rectangular package with a seated height of 7.36 mm. Price for the SM501-1 is $0.59 each/10,000. DATATRONIC DISTRIBUTION INC., Romoland, CA. (888) 889-5391.