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40 A Current Transformers - Board Mount

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.	Mounting Style	Inductance	Current Rating	Turns Ratio	Secondary Resistance	Termination Style	Length	Width	Height	Frequency Range	Qualification
Current Transformers - Board Mount 12.6mH N1:N2=1:150 T4145 EF12.6 SMD B82801C1265A150 TDK 1: $3.26 773In Stock	Mfr. Part No. B82801C1265A150 Mouser Part No 871-B82801C1265A150	TDK	Current Transformers - Board Mount 12.6mH N1:N2=1:150 T4145 EF12.6 SMD Learn More about TDK epcosb82801c	Datasheet	773In Stock	Cut Tape $3.26 $2.95 $2.75 $2.67 Reel $2.49 View $2.58 $2.41 $2.32 MouseReel Available	Min.: 1 Mult.: 1 : 200	SMD/SMT	12.6 mH	40 A	1:150	2.2 Ohms	SMD/SMT	14.22 mm	13.46 mm	10 mm	50 kHz to 500 kHz
Current Transformers - Board Mount 40A 19.2mH 3.8 Ohms AEC-Q200 CST2010-150LD Coilcraft 1: $3.97 38In Stock 300Expected 26/11/2026	Mfr. Part No. CST2010-150LD Mouser Part No 994-CST2010-150LD	Coilcraft	Current Transformers - Board Mount 40A 19.2mH 3.8 Ohms AEC-Q200 Learn More about Coilcraft aec q200 current sense transformers	Datasheet	38In Stock 300Expected 26/11/2026	Cut Tape $3.97 $3.25 $2.81 $2.73 Reel $2.61 View $2.64 $2.58 $2.48 $2.44 MouseReel Available	Min.: 1 Mult.: 1 : 300	SMD/SMT	19.2 mH	40 A	1:150	2.25 Ohms	SMD/SMT	19.91 mm	14.55 mm	10.5 mm	1 kHz to 1 MHz	AEC-Q200
Current Transformers - Board Mount WE-CST 0.224mH 1:20 40A EE13/7/4 SMT 7492540020 Wurth Elektronik 1: $4.17 812In Stock	Mfr. Part No. 7492540020 Mouser Part No 710-7492540020	Wurth Elektronik	Current Transformers - Board Mount WE-CST 0.224mH 1:20 40A EE13/7/4 SMT Learn More about Wurth Elektronik wurth current sense transformers	Datasheet	812In Stock	Cut Tape $4.17 $3.62 $3.00 $2.72 Reel $2.72 MouseReel Available	Min.: 1 Mult.: 1 : 225	SMD/SMT	224 uH	40 A	1:20	33 mOhms	SMD/SMT	14.48 mm	13.3 mm	10.5 mm	1 MHz
Current Transformers - Board Mount Current Sense transformer, 40A, EF12.6, 5440uH PCS040-EF1305KS Bourns 1: $4.77 281In Stock	Mfr. Part No. PCS040-EF1305KS Mouser Part No 652-PCS040-EF1305KS	Bourns	Current Transformers - Board Mount Current Sense transformer, 40A, EF12.6, 5440uH Learn More about Bourns pcs current sense transformers	Datasheet	281In Stock	Cut Tape $4.77 $4.07 $3.91 $3.79 Reel $3.42 View $3.67 $3.53 $3.30 $3.16 MouseReel Available	Min.: 1 Mult.: 1 : 600	SMD/SMT	5.44 mH	40 A	1:80	1.15 Ohms	SMD/SMT	19.91 mm	16.51 mm	10.5 mm	1 MHz
Current Transformers - Board Mount 40A 120mH 1:300 CT10-300 ICE Components 1: $3.75 192In Stock	Mfr. Part No. CT10-300 Mouser Part No 911-CT10-300	ICE Components	Current Transformers - Board Mount 40A 120mH 1:300 Learn More about ICE Components ct10 current sense transformers	Datasheet	192In Stock	$3.75 $3.07 $2.66 $2.58 View $2.50 $2.47 $2.44 $2.34 $2.30	Min.: 1 Mult.: 1	Through Hole	120 mH	40 A	1:300	10 Ohms	Radial	14.5 mm	13 mm	15.8 mm	10 kHz to 70 kHz
Current Transformers - Board Mount 0.7mOhm 40A 10 mH Turn Ratio 1:100 VST16/8EE-200S1C2 TDK 1: $10.00 519In Stock	Mfr. Part No. VST16/8EE-200S1C2 Mouser Part No 810-VST16/8EE200S1C2	TDK	Current Transformers - Board Mount 0.7mOhm 40A 10 mH Turn Ratio 1:100 Learn More about TDK vst transformers	Datasheet	519In Stock	Cut Tape $10.00 $8.65 $8.30 $7.29 Reel $7.11 View $7.00 Quote MouseReel Available	Min.: 1 Mult.: 1 : 300	SMD/SMT	10.7 mH	40 A	1:100	2.25 Ohms	Solder	19.7 mm	17.5 mm	10.8 mm	1 kHz
Current Transformers - Board Mount 40A 8.5mH 2.5 Ohms AEC-Q200 CST2010-100LD Coilcraft 1: $3.96 1,061In Stock	Mfr. Part No. CST2010-100LD Mouser Part No 994-CST2010-100LD	Coilcraft	Current Transformers - Board Mount 40A 8.5mH 2.5 Ohms AEC-Q200 Learn More about Coilcraft aec q200 current sense transformers	Datasheet	1,061In Stock	Cut Tape $3.96 $3.24 $2.81 $2.73 Reel $2.61 View $2.64 $2.58 $2.48 $2.44 MouseReel Available	Min.: 1 Mult.: 1 : 300	SMD/SMT	8.5 mH	40 A	1:100	1.45 Ohms	SMD/SMT	19.91 mm	14.55 mm	10.5 mm	2 kHz to 1 MHz	AEC-Q200
Current Transformers - Board Mount 40A 34mH 5 Ohms AEC-Q200 CST2010-200LD Coilcraft 1: $3.96 2,083In Stock	Mfr. Part No. CST2010-200LD Mouser Part No 994-CST2010-200LD	Coilcraft	Current Transformers - Board Mount 40A 34mH 5 Ohms AEC-Q200 Learn More about Coilcraft aec q200 current sense transformers	Datasheet	2,083In Stock	Cut Tape $3.96 $3.24 $2.81 $2.73 Reel $2.61 View $2.64 $2.58 $2.48 $2.44 MouseReel Available	Min.: 1 Mult.: 1 : 300	SMD/SMT	34 mH	40 A	1:200	4.06 Ohms	SMD/SMT	19.91 mm	14.55 mm	10.5 mm	1 kHz to 1 MHz	AEC-Q200
Current Transformers - Board Mount 0.7mOhm 40A 42.2mH Turn Ratio 1:200 VST16/8EE-201S1C2 TDK 1: $10.00 146In Stock	Mfr. Part No. VST16/8EE-201S1C2 Mouser Part No 810-VST16/8EE201S1C2	TDK	Current Transformers - Board Mount 0.7mOhm 40A 42.2mH Turn Ratio 1:200 Learn More about TDK vst transformers	Datasheet	146In Stock	Cut Tape $10.00 $8.65 $8.30 $7.29 Reel $7.11 View $7.00 Quote MouseReel Available	Min.: 1 Mult.: 1 : 300	SMD/SMT	42.2 mH	40 A	1:200	10 Ohms	Solder	19.7 mm	17.5 mm	10.8 mm	1 kHz
Current Transformers - Board Mount WE-CST 1.4mH 1:50 40A EE13/7/4 SMT 7492540050 Wurth Elektronik 1: $4.40 321In Stock 900Expected 12/11/2026	Mfr. Part No. 7492540050 Mouser Part No 710-7492540050	Wurth Elektronik	Current Transformers - Board Mount WE-CST 1.4mH 1:50 40A EE13/7/4 SMT Learn More about Wurth Elektronik wurth current sense transformers	Datasheet	321In Stock 900Expected 12/11/2026	Cut Tape $4.40 $3.76 $2.69 Reel $2.69 MouseReel Available	Min.: 1 Mult.: 1 : 225	SMD/SMT	1.4 mH	40 A	1:50	202 mOhms	SMD/SMT	14.48 mm	20.2 mm	10.5 mm	1 MHz
Current Transformers - Board Mount WE-CST 22.4mH 1:200 40A EE13/7/4 SMT 7492540200 Wurth Elektronik 1: $4.40 1,356In Stock	Mfr. Part No. 7492540200 Mouser Part No 710-7492540200	Wurth Elektronik	Current Transformers - Board Mount WE-CST 22.4mH 1:200 40A EE13/7/4 SMT Learn More about Wurth Elektronik wurth current sense transformers	Datasheet	1,356In Stock	Cut Tape $4.40 $3.76 $3.00 $2.69 Reel $2.69 MouseReel Available	Min.: 1 Mult.: 1 : 225	SMD/SMT	22.4 mH	40 A	1:200	2.63 Ohms	SMD/SMT	14.48 mm	13.3 mm	10.5 mm	1 MHz
Current Transformers - Board Mount WE-CST 540mH 1:1000 40A EE13/7/4 SMT 7492541000 Wurth Elektronik 1: $4.40 780In Stock	Mfr. Part No. 7492541000 Mouser Part No 710-7492541000	Wurth Elektronik	Current Transformers - Board Mount WE-CST 540mH 1:1000 40A EE13/7/4 SMT Learn More about Wurth Elektronik wurth current sense transformers	Datasheet	780In Stock	Cut Tape $4.40 $3.76 $3.00 $2.69 Reel $2.69 MouseReel Available	Min.: 1 Mult.: 1 : 225	SMD/SMT	540 mH	40 A	1:1000	87.64 Ohms	SMD/SMT	14.48 mm	13.3 mm	10.5 mm	1 MHz
Current Transformers - Board Mount 40A .34mH .5 Ohms AEC-Q200 CST2010-020LD Coilcraft 1: $3.97 139In Stock	Mfr. Part No. CST2010-020LD Mouser Part No 994-CST2010-020LD	Coilcraft	Current Transformers - Board Mount 40A .34mH .5 Ohms AEC-Q200 Learn More about Coilcraft aec q200 current sense transformers	Datasheet	139In Stock	Cut Tape $3.97 $3.25 $2.81 $2.73 Reel $2.61 View $2.64 $2.58 $2.48 $2.44 MouseReel Available	Min.: 1 Mult.: 1 : 300	SMD/SMT	340 uH	40 A	1:20	180 mOhms	SMD/SMT	19.91 mm	14.55 mm	10.5 mm	10 kHz to 1 MHz	AEC-Q200
Current Transformers - Board Mount 40A .76mH .8 Ohms AEC-Q200 CST2010-030LD Coilcraft 1: $3.78 315In Stock	Mfr. Part No. CST2010-030LD Mouser Part No 994-CST2010-030LD	Coilcraft	Current Transformers - Board Mount 40A .76mH .8 Ohms AEC-Q200 Learn More about Coilcraft aec q200 current sense transformers	Datasheet	315In Stock	Cut Tape $3.78 $3.09 $2.68 $2.60 Reel $2.49 View $2.52 $2.46 $2.36 $2.32 MouseReel Available	Min.: 1 Mult.: 1 : 300	SMD/SMT	760 uH	40 A	1:30	265 mOhms	SMD/SMT	19.91 mm	14.55 mm	10.5 mm	7 kHz to 1 MHz	AEC-Q200
Current Transformers - Board Mount WE-CST 135mH 1:500 40A EE13/7/4 SMT 7492540500 Wurth Elektronik 1: $4.40 453In Stock	Mfr. Part No. 7492540500 Mouser Part No 710-7492540500	Wurth Elektronik	Current Transformers - Board Mount WE-CST 135mH 1:500 40A EE13/7/4 SMT Learn More about Wurth Elektronik wurth current sense transformers	Datasheet	453In Stock	Cut Tape $4.40 $3.76 Reel $3.76 MouseReel Available	Min.: 1 Mult.: 1 : 225	SMD/SMT	135 mH	40 A	1:500	21.2 mOhms	SMD/SMT	14.48 mm	13.3 mm	10.5 mm	1 MHz
Current Transformers - Board Mount 1.4mH TR 1:50 DCR 0.28 / 400mOhms B82801C145A50 TDK 1: $3.26 476In Stock	Mfr. Part No. B82801C145A50 Mouser Part No 871-B82801C145A50	TDK	Current Transformers - Board Mount 1.4mH TR 1:50 DCR 0.28 / 400mOhms Learn More about TDK epcosb82801c	Datasheet	476In Stock	Cut Tape $3.26 $2.95 $2.80 $2.63 Reel $2.55 View $2.52 $2.32 MouseReel Available	Min.: 1 Mult.: 1 : 200	SMD/SMT	1.4 mH	40 A	1:50	400 mOhms	SMD/SMT	14.22 mm	13.46 mm	10 mm	50 kHz to 500 kHz
Current Transformers - Board Mount 22.4mH N1:N2=1:200 T4146 EF12.6 SMD B82801C2245A200 TDK 1: $3.26 708In Stock 2,400Expected 07/05/2027	Mfr. Part No. B82801C2245A200 Mouser Part No 871-B82801C2245A200	TDK	Current Transformers - Board Mount 22.4mH N1:N2=1:200 T4146 EF12.6 SMD Learn More about TDK epcosb82801c	Datasheet	708In Stock 2,400Expected 07/05/2027	Cut Tape $3.26 $2.95 $2.79 $2.70 Reel $2.49 View $2.58 $2.45 $2.32 MouseReel Available	Min.: 1 Mult.: 1 : 200	SMD/SMT	22.4 mH	40 A	1:200	2.9 Ohms	SMD/SMT	14.22 mm	13.46 mm	10 mm	50 kHz to 500 kHz
Current Transformers - Board Mount EE 12.6 Core Series TRANSFORMER KIT B82801X3 TDK 1: $66.44 3In Stock	Mfr. Part No. B82801X3 Mouser Part No 871-B82801X3	TDK	Current Transformers - Board Mount EE 12.6 Core Series TRANSFORMER KIT Learn More about TDK epcos kits	Datasheet	3In Stock	$66.44 $57.50	Min.: 1 Mult.: 1	SMD/SMT		40 A			SMD/SMT	14.22 mm	13.46 mm	10 mm	50 kHz to 1 MHz
Current Transformers - Board Mount Current Sense transformer, 40A, EF12.6, 1360uH PCS040-EF1301KS Bourns 1: $4.77 217In Stock	Mfr. Part No. PCS040-EF1301KS Mouser Part No 652-PCS040-EF1301KS	Bourns	Current Transformers - Board Mount Current Sense transformer, 40A, EF12.6, 1360uH Learn More about Bourns pcs current sense transformers	Datasheet	217In Stock	Cut Tape $4.77 $4.19 $4.14 $4.01 Reel $3.89 View $3.89 $3.88 $3.23 MouseReel Available	Min.: 1 Mult.: 1 : 600	SMD/SMT	1.36 mH	40 A	1:40	560 mOhms	SMD/SMT	19.91 mm	16.51 mm	10.5 mm	1 MHz
Current Transformers - Board Mount Current Sense transformer, 40A, EF12.6, 19200uH PCS040-EF1319KS Bourns 1: $4.77 175In Stock	Mfr. Part No. PCS040-EF1319KS Mouser Part No 652-PCS040-EF1319KS	Bourns	Current Transformers - Board Mount Current Sense transformer, 40A, EF12.6, 19200uH Learn More about Bourns pcs current sense transformers	Datasheet	175In Stock	Cut Tape $4.77 $4.31 $4.14 $4.01 Reel $3.89 View $3.89 $3.88 $3.23 MouseReel Available	Min.: 1 Mult.: 1 : 600	SMD/SMT	19.2 mH	40 A	1:150	2.2 Ohms	SMD/SMT	19.91 mm	16.51 mm	10.5 mm	1 MHz
Current Transformers - Board Mount WE-CST 0.896mH 1:40 40A EE13/7/4 SMT 7492540040 Wurth Elektronik 1: $4.40 35In Stock	Mfr. Part No. 7492540040 Mouser Part No 710-7492540040	Wurth Elektronik	Current Transformers - Board Mount WE-CST 0.896mH 1:40 40A EE13/7/4 SMT Learn More about Wurth Elektronik wurth current sense transformers	Datasheet	35In Stock	Cut Tape $4.40 $3.76 $3.00 $2.69 Reel $2.69 MouseReel Available	Min.: 1 Mult.: 1 : 225	SMD/SMT	896 uH	40 A	1:40	130 mOhms	SMD/SMT	14.48 mm	20.2 mm	10.5 mm	1 MHz
Current Transformers - Board Mount WE-CST 300mH 1:750 40A EE13/7/4 SMT 7492540750 Wurth Elektronik 1: $4.40 202In Stock	Mfr. Part No. 7492540750 Mouser Part No 710-7492540750	Wurth Elektronik	Current Transformers - Board Mount WE-CST 300mH 1:750 40A EE13/7/4 SMT Learn More about Wurth Elektronik wurth current sense transformers	Datasheet	202In Stock	Cut Tape $4.40 $3.76 $3.00 $2.69 Reel $2.69 MouseReel Available	Min.: 1 Mult.: 1 : 225	SMD/SMT	300 mH	40 A	1:750	50.1 Ohms	SMD/SMT	14.48 mm	13.3 mm	10.5 mm	1 MHz
Current Transformers - Board Mount WE-CST 5.6mH 1:100 40A EE13/7/4 SMT 7492540100 Wurth Elektronik 1: $4.40 1,125Expected 26/11/2026	Mfr. Part No. 7492540100 Mouser Part No 710-7492540100	Wurth Elektronik	Current Transformers - Board Mount WE-CST 5.6mH 1:100 40A EE13/7/4 SMT Learn More about Wurth Elektronik wurth current sense transformers	Datasheet	1,125Expected 26/11/2026	Cut Tape $4.40 $3.76 $3.00 $2.69 Reel $2.69 MouseReel Available	Min.: 1 Mult.: 1 : 225	SMD/SMT	5.6 mH	40 A	1:100	805 mOhms	SMD/SMT	14.48 mm	13.3 mm	10.5 mm	1 MHz
Current Transformers - Board Mount 5.6mH N1:N2=1:100 T4144 EF12.6 SMD B82801C0565A100 TDK 1: $3.48 2,990On Order	Mfr. Part No. B82801C0565A100 Mouser Part No 871-B82801C0565A100	TDK	Current Transformers - Board Mount 5.6mH N1:N2=1:100 T4144 EF12.6 SMD Learn More about TDK epcos lumileds led solutions	Datasheet	2,990On Order On Order Ship Dates Mfr. No: B82801C0565A100 Stock: 0 On Order: 1,790 Expected 19/02/2027 1,200 Expected 09/04/2027 Factory Lead Time: 34 Weeks	Cut Tape $3.48 $2.99 $2.84 $2.75 $2.58 Reel $2.58 MouseReel Available	Min.: 1 Mult.: 1 : 200	SMD/SMT	5.6 mH	40 A	1:100	1 Ohms	SMD/SMT	14.22 mm	13.46 mm	10 mm	50 kHz to 500 kHz
Current Transformers - Board Mount 40A 2.12mH 1.3 Ohms AEC-Q200 CST2010-050LD Coilcraft 1: $3.78 173Expected 11/12/2026	Mfr. Part No. CST2010-050LD Mouser Part No 994-CST2010-050LD	Coilcraft	Current Transformers - Board Mount 40A 2.12mH 1.3 Ohms AEC-Q200 Learn More about Coilcraft aec q200 current sense transformers	Datasheet	173Expected 11/12/2026	Cut Tape $3.78 $3.09 $2.68 $2.60 Reel $2.49 View $2.52 $2.46 $2.36 $2.32 MouseReel Available	Min.: 1 Mult.: 1 : 300	SMD/SMT	2.12 mH	40 A	1:50	705 mOhms	SMD/SMT	19.91 mm	14.55 mm	10.5 mm	4 kHz to 1 MHz	AEC-Q200