Document 131 Current Sensors - D18XX, CS1XXX Series Designed for use above 20 kHz, these sensors function as the secondaries of a current transformer. The conductor carrying the current to be measured is the “one turn primary.” Sensitivity can be set at 1 Volt per Ampere or at other desired values. It can also be doubled by looping the conductor through the hole twice. Applications include sensing branch circuit overload, switcher feedback, and detecting load drop or shutdown. They come in a molded version (CS1XXX Series) or encapsulated model (D18XX Series). Coilcraft Designer’s Kit P403 contains samples of the CS1050, 1100 and 1200 sensors, current transformer versions with equivalent ratings, plus two 50/ 60 Hz current sensors. To order, contact Coilcraft or visit http://order.coilcraft.com. Part number D1869L D1870L D1871L CS1050L CS1100L CS1200L CS1750L Turns Inductance min (mH) Sensed current Iin max (A) 50 100 200 50 100 200 750 5 20 80 5 20 80 1125 10 24 35 10 24 35 30 Sensitivity Vout Iin (V) (A) 1 1 1 1 1 1 1 Terminating resistor RT (Ohms)1 1 1 1 1 1 1 1 Color code 50 100 200 50 100 200 750 Green Brown Red 1. Varying terminating resistance will increase or decrease output Voltage/Ampere in conductor. 2. Operating temperature range -40°C to +85°C. 3. Electrical specifications at 25°C. D1xx Series 0.465 max 11,81 CS1xxx Series Date code 0.20 min 5,08 0.80 max 20,30 A B 3 0.125 max 3,175 Terminations: Tin-silver over copper Weight: 4.0 – 4.5 g 1 0.50 ±0.015 12,7 ±0,38 3 B 1+ 3− RT Vout 0.158/0.218 4,01/5,54 1 0.50 ±0.015 12,7 ±0,38 0.036/0.030 0,91/0,76 Terminations: Tin-silver over copper Weight: 5.3 – 5.8 g Leads 3 and A are in phase per orientation shown above. Specifications subject to change without notice. Please check our website for latest information. © Coilcraft, Inc. 2009 A 0.80 max 20,3 A 3 0.033 ±0.002 0,84 ±0,05 0.45 max 11,43 3 B I in 0.70 max 17,8 0.20 min 5,08 Color code 0.34 max 8,64 Typical Circuit 0.375 max 9,53 0.75 max 19,05 Document 131 Revised 04/14/09