Audio Transformer MIL-T-27E High Reliability : “Red Spec” Series SP- 20 Description: Triad’s high reliability audio transformers provide the durability and precision required in today’s demanding designs. These transformers are available for a wide variety of applications. Electrical Specifications (@25C) Power level (mW) Matching Impedance Primary Max. Ma DC Unbalance Secondary in Primary DC Resistance (Ω) Primary Secondary Overall Turns Ratio .410 MAX. 50 10,000 CT 1,200 CT Frequency Response: 1.0 1,050.0 200.0 2.88:1.0 + 2.0 DB, at 300 Hz to 100K Hz .310 MAX. C.T. TF5S21ZZ 1 MADC 1 2 3 Pri-Sec Hipot test (Pri-Sec): 1,000 VRMS for 1 sec. TRIAD .020 .750 MIN. Working voltage: 150VDC .200 Construction: .200 .100 Plug-in terminals are precision spaced to provide fixed mounting centers. Epoxy molded case includes a .020” recess for ease of solder inspection. Leads are made of high strength Nickel alloy, gold plated and are .020” in diameter. PRI Z .300 SEC Z 10K OHM CT TAB, AT PIN #1 4 1 1.2K OHM 5 2 CT 6 3 50 MW RoHS Compliance: As of manufacturing date February 2005, all standard products meet the requirements of 2011/65/EU, known as the RoHS initiative. *Upon printing, this document is considered “uncontrolled”. Specifications are subjected to change without notice. Please contact Triad Magnetics’ website for the most current version. Web: www.TriadMagnetics.com Phone 951-277-0757 Fax 951-277-2757 460 Harley Knox Blvd. Perris, California 92571 SEC. SP-20 PRI. 10K Publish Date: December 4, 2013 .465 1.2K C.T. MAX. 50 MW 4 5 6