CST306-3A

1 3 | Current Sense Transformers / High Frequency C u r r e n t S e n s e Tr a n s f o r m e r s High Frequency :: C S T 2 0 6 / 3 0 6 D e s c r i p t i o n Designed for switching power supply applications, Triad current sense transformers are used to detect the current passing through a conductor. Section/ Figure A B A B A B B A B A B A Type No. CST206-1A CST206-1T CST206-2A CST206-2T CST206-3A CST206-3T CST306-1A CST306-1T CST306-2A CST306-2T CST306-3A CST306-3T These transformers are very reliable and operate effectively over the frequency range of 20 kHz-200 kHz. They are constructed of UL rated 130ºC materials. Both models are available with a center tap option. ET VμSEC REF 20 kHz 2000 2000 4000 4000 6000 6000 500 500 1000 1000 2000 2000 Tuurns Count 100 100 CT 200 200 CT 300 300 CT 50 50 CT 100 100 CT 200 200 CT Min. Ind. mH 14.0 14.0 56.0 56.0 130.0 130.0 3.5 3.5 14.0 14.0 55.0 55.0 DCR Max. Ohms .580 .580 3.500 3.500 12.400 12.400 .340 .580 1.550 1.550 3.750 3.750 Pri. Amps 110.0 RMS 110.0 RMS 80.0 RMS 80.0 RMS 70.0 RMS 70.0 RMS 35.0 RMS 35.0 RMS 25.0 RMS 25.0 RMS 25.0 RMS 25.0 RMS Figure A Figure B :: O u t l i n e D i m e n s i o n s Te c h n i c a l N o t e s 1. Derate ET product by 32% for 50 kHz, 52% for 100 Hz and 50% for unidirectional operation. 2. Rated primary current renders approximately 40ºC temperature rise. 3. CST206 models have maximum recommended terminating resistance of 1 ohm per turn. 4. Primary is inserted through hole in casing. 5. 3 pin ...