I M P E DA N C E M ATC H I N G T R A N S F O R M E R S Miniature Encapsulated Miniature Encapsulated Transformer STANCOR PART SEC. NUMBER Matching Impedance (Ohms) Pri. Sec. Designed to Meet: -- Maximum Operating Temperature 105C -- Meets requirements of MIL-T-27 -- Dielectric Strength 500 VRMS -- Thermal Shock 5 cycles -55C to 105C -- Response 2 db. 300 Hz to 100KHz -- Maximum distortion 10 to 25% at rated power Max. Power Max. MA. D.C. Resistance Level MW D.C. Unbal. (Ohms) at 300Hz. in Pri. Pri. Sec. Turns Ratio Pri. Sec. RMS Test Schem. Volts No. Dimensions-Inches L W H Weight (oz.) Agency Certif. A PCT-33 500 50 50 3 55 8 3.16 1 500 3 .310 .410 .465 .111 - PCT-78 600 600 50 3 70 95 1 1 1500 3 .310 .410 .465 .111 - 600 C.T. 150 Split 50 3 70 95 2 1.0/1.0 1000 2 .310 .410 .465 .111 - PCT-27 600 B PCT-77 600 C.T. 600 C.T. 50 3 70 95 1 1 1500 1 .310 .410 .465 .111 - C PCT-76 10,000 C.T. 10,000 C.T. 40 1 1000 1300 1 1 500 1 .310 .410 .465 .111 - .1 .3 .1 SCHEMATIC #1 SCHEMATIC #2 SCHEMATIC #3 Ty p i c a l P e rformance Characteristics TYPICAL PERFORMANCE CHARACTERISTIC CHARTS (dB) 0 OUTPUT POWER LEVEL 40mW DC--1.1mA (SEC) 1 2 3 0.2k 0.3k 0.5k 1.0k (Hz) 10k 50k 100k 10k 50k 100k (dB) 0 OUTPUT POWER LEVEL 50mW 1 2 3 DC--1.5mA (SEC) 0.2k 0.3k 0.5k 1.0k (Hz) www.stancor.com 21