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. 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. Section/ Figure Type No. ET VμSEC REF 20 kHz Tuurns Count Min. Ind. mH DCR Max. Ohms Pri. Amps A B A B A B B A B A B A CST206-1A CST206-1T CST206-2A CST206-2T CST206-3A CST206-3T CST306-1A CST306-1T CST306-2A CST306-2T CST306-3A CST306-3T 2000 2000 4000 4000 6000 6000 500 500 1000 1000 2000 2000 100 100 CT 200 200 CT 300 300 CT 50 50 CT 100 100 CT 200 200 CT 14.0 14.0 56.0 56.0 130.0 130.0 3.5 3.5 14.0 14.0 55.0 55.0 .580 .580 3.500 3.500 12.400 12.400 .340 .580 1.550 1.550 3.750 3.750 110.0 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. :: C S E 5 D e s c r i p t i o n Designed to monitor current at 250 kHz and above. These transformers have a primary current rating of 10 Amps. 3. CST206 models have maximum recommended terminating resistance of 1 ohm per turn. 4. Primary is inserted through hole in casing. 5. 3 pin or center tapped (CT) models are designed with a T suffix. Part No. Turns N1:N2 @ 10kHz Secondary Inductance μH Min. Secondary DCR m1 Max CSE5-100201 CSE5-100301 CSE5-100401 CSE5-100501 CSE5-100601 CSE5-100701 CSE5-101001 CSE5-101251 1:20 1:30 1:40 1:50 1:60 1:70 1:100 1:125 80 180 320 500 720 980 2000 3000 550 870 1140 1500 1750 4750 5500 8500 :: 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 {mm} www.TriadMagnetics.com | 22520 B Temescal Canyon Road, Corona, CA 92883 | Phone 951-277-0757 | FAX 951-277-2757 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 1 4 | Current Sense Transformers / Low Frequency C u r r e n t S e n s e Tr a n s f o r m e r s Low Frequency Class B U L Fi l e : E 2 0 5 3 4 9 CSE187L Performance Graph 100% 400 Hz :: C S E 1 8 7 L D e s c r i p t i o n Designed to monitor current in low frequency applications. This Triad part may be used to monitor current from .1 to 30 ampheres at frequencies from 50 Hz to 400 Hz. 90% 60 Hz 80% 50 Hz 70% 60% 0.1 0.5 1 2 5 7 10 15 20 30 Primary Current - AC Amps :: 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. Turns ratio: Primary to sense 1:500 2. Suggested burden resistor: 60 ohms. 3. Typical ouput: 110 mV /Amp. 7. Hi-pot: 2,500 volts wdg-wdg. 8. Potted version available with a dielectric strength of 4,000 volts wdg-wdg. 4. Primary DCR: 250 μOhms maximum. 5. Sense DCR: 21 ohms maximum. 6. Constructed with UL recognized materials (Class B, 130ºC). :: C S T S e r i e s D e s c r i p t i o n Triad current sense transformers are used to detect the current passing through a conductor. These transformers are very reliable and operate effectively between 50-60 Hz. They are constructed of UL rated 130ºC materials. :: S p e c i f i c a t i o n s Part No. Ip Amps Turns Ratio Terminating Resistor Ohms Watt DCR (Ohms) Nominal Volts/Amp @ rated Lp for various loads 100 500 2K 5K Net Weight (grams) REF Case Dimensions – mm A B C D E F CST-1005 5 1000:1 100 0.0025 40.00 0.0958 0.4490 1.3694 1.8402 20.0 23.50 24.80 12.00 15.00 7.50 8.50 CST-1010 10 1000:1 100 0.0100 40.00 0.0969 0.4565 0.9686 1.1912 20.0 23.50 24.80 12.00 15.00 7.50 8.50 CST-1015 15 1000:1 100 0.0230 40.00 0.0971 0.4429 0.7508 0.9439 20.0 23.50 24.80 12.00 15.00 7.50 8.50 CST-1020 CST-1025 20 25 1000:1 1000:1 100 100 0.0400 0.0630 40.00 46.00 0.0977 0.0976 0.3943 0.4364 0.6174 0.7496 0.7662 0.9664 20.0 30.0 23.50 30.20 24.80 30.20 12.00 14.30 12.00 20.32 7.50 10.16 8.50 11.40 CST-1030 30 1000:1 100 0.0900 46.00 0.0977 0.4160 0.6710 0.8750 30.0 30.20 30.20 14.30 20.32 10.16 11.40 Ip: Primary Current :: 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. Pin length: 5 ±1mm 2. Pin diameter: 0.8 ±0.1mm 3. Pin 3 normally for mechanical support only www.TriadMagnetics.com | 22520 B Temescal Canyon Road, Corona, CA 92883 | Phone 951-277-0757 | FAX 951-277-2757