Audio Coupling Miniature Encapsulated Transformer MET-28-T 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 (@20C) Power Matching Impedance Max. mA DC level (mW) 50 DC Resistance () Unbalance Primary Secondary 1K in Primary 50 Overall Turns Primary 3.0 Secondary 110 8 .410 Ratio MAX. 4.47:1.0 .310 MAX. Operating Temperature: -20C to 85C MET-28-T 1-2 1K 3mADC Storage Temperature: -55C to 105C 1 Frequency Response: 2 3-4 50 .465 MAX. 3 .020 + 2.0 dB, at 300 Hz to 100K Hz (1 KHz Ref.) .750 MIN. Longitudinal Balance: 60dB Min @ 1 KHz *Max power at 300Hz .200 Pri-Sec Hipot test (Pri-Sec): 1000 VRMS for 1 sec. .200 Construction: .100 TAB, AT PIN #1 .300 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 Tin plated 0.020" in diameter. 4 1 SEC Z 50 OHM PRI Z 1K OHM 3 2 50 MW RoHS Compliance: Meets the requirements of 2011/65/EU, known as the RoHS initiative. *Upon printing, this document is considered "uncontrolled". Please contact Triad Magnetics website for the most current version. For soldering and washing information please see http://www.triadmagnetics.com/faq.html Web: www.TriadMagnetics.com Phone 951-277-0757 Fax 951-277-2757 460 Harley Knox Blvd. Perris, California 92571 50mW Publish Date: September 22, 2017 4