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iMPEDANCE MATCHiNg TRANSFORMERS
Miniature Encapsulated Transformer
Miniature Encapsulated
STANCOR Matching Impedance Max. Power Max. MA. D.C. Resistance RMS DIMENSIONS-INCHES
PART (Ohms) Level MW D.C. Unbal. (Ohms) Turns Ratio Test Schem. Weight Agency
SEC. NUMBER Pri. Sec. at 300Hz. in Pri. Pri. Sec. Pri. Sec. Volts No. L W H (oz.) 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 -
PCT-27 600 600 C.T. 50 3 70 95 2 1.0/1.0 1000 2 .310 .410 .465 .111 -
150 Split
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 -
Designed to Meet:
–– Maximum Operating Temperature 105°C
–– Meets requirements of MIL-T-27
–– Dielectric Strength 500 VRMS
–– Thermal Shock 5 cycles -55°C to 105°C
–– Response ± 2 db. 300 Hz to 100KHz
–– Maximum distortion 10 to 25% at rated power
TYPICAL PERFORMANCE CHARACTERISTIC CHARTS
OUTPUT POWER LEVEL
40mW
DC––1.1mA (SEC)
(Hz)
(dB)
0.2k
3
2
1
0
0.3k 0.5k 1.0k 10k 50k 100k
OUTPUT POWER LEVEL
50mW
DC––1.5mA (SEC)
(Hz)
(dB)
0.2k
3
2
1
0
0.3k 0.5k 1.0k 10k 50k 100k
Typical Performance Characteristics
.3
.1
.1
SCHEMATIC #1 SCHEMATIC #2 SCHEMATIC #3
