SP-33-B

Audio Transformer MIL-T-27E High Reliability : “Red Spec” Series SP- 33 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 Matching Impedance Max. Ma DC level (mW) DC Resistance (Ω) Unbalance Primary Secondary in Primary Overall Turns Primary Secondary Ratio .410 MAX. 50 1,000 50 3.0 145.0 8.0 4.4:1.0 .310 MAX. Operating Temperature: -40C° to 85C° C Storage Temperature: -40C° to 85C° 3 MADC 1 2 T R IAD .020 MAGN ETIC S Humidity: Storage Humidity: 10 to 95% RH, non-condensing .750 Frequency Response: + 2.0 DB, at 300 Hz to 100K Hz MIN. Pri-Sec Hipot test (Pri-Sec): 1,000 VRMS for 1 sec. Working voltage: .200 150VDC .200 Construction: TAB, AT PIN #1 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. 3 1 PRI Z 1000 OHM 2 SEC Z 50 OHM 4 RoHS Compliance: As of manufacturing date February 2016, all standard products meet the requirements of 2015/863/EU, known as the RoHS 3 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 Publish Date: May 31, 2019 .300 SEC .465 MAX. 50 C SP-33 TF5S21ZZ PRI 1000 50 MW 3 4