.hide-partial { max-height: none; } .show-more { display: none; }

Through Hole Current Transformers - Board Mount

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Results: 53

Applied Filters:

Mounting Style = Through Hole

Manufacturer

Inductance

Current Rating

Turns Ratio

Secondary Resistance

Termination Style

Length

Width

Height

Frequency Range

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

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
Current Transformers - Board Mount 100Ohm . 0025W 5A 5301 Spectrum Control 1: $68.27 9In Stock Factory Special Order	Mfr. Part No. 5301 Mouser Part No 657-5301 Factory Special Order	Spectrum Control	Current Transformers - Board Mount 100Ohm . 0025W 5A Learn More about Spectrum Control api technologies current sensors	Datasheet	9In Stock	$68.27 View $64.02 $56.29 $55.11 $55.10 Quote	Min.: 1 Mult.: 1	Through Hole		5 A		100 Ohms	Radial	23.65 mm	11.94 mm	25.15 mm
Current Transformers - Board Mount CSE184L - LOW FREQUENCY CURRENT SENSE TRANSFORMER .05 to 1 AMP at 50 to 400Hz CSE184L Triad Magnetics 1: $3.09 115In Stock	Mfr. Part No. CSE184L Mouser Part No 553-CSE184L	Triad Magnetics	Current Transformers - Board Mount CSE184L - LOW FREQUENCY CURRENT SENSE TRANSFORMER .05 to 1 AMP at 50 to 400Hz	Datasheet	115In Stock	$3.09 $2.80 $2.69 $2.61 View $2.54 $2.42 $2.34 $2.27	Min.: 1 Mult.: 1	Through Hole		1 A	1:16.67	23 Ohms	Radial	24 mm	21.5 mm	18 mm	50 Hz to 400 Hz
Current Transformers - Board Mount LOW FREQUENCY CURRENT SENSE TRANSFORMER .1 to 10 AMP at 50 to 400Hz: CSE186L CSE186L Triad Magnetics 1: $3.26 233In Stock	Mfr. Part No. CSE186L Mouser Part No 553-CSE186L	Triad Magnetics	Current Transformers - Board Mount LOW FREQUENCY CURRENT SENSE TRANSFORMER .1 to 10 AMP at 50 to 400Hz: CSE186L	Datasheet	233In Stock	$3.26 $2.95 $2.83 $2.76 View $2.61 $2.50 $2.47 $2.40 $2.34	Min.: 1 Mult.: 1	Through Hole		10 A	1:166	23 Ohms	Radial	24 mm	21.5 mm	18 mm	50 Hz to 400 Hz
Current Transformers - Board Mount CURRENT SENSE TRANS/CSE187L CSE187L Triad Magnetics 1: $3.11 455In Stock 8,316On Order	Mfr. Part No. CSE187L Mouser Part No 553-CSE187L	Triad Magnetics	Current Transformers - Board Mount CURRENT SENSE TRANS/CSE187L	Datasheet	455In Stock 8,316On Order On Order Ship Dates Mfr. No: CSE187L Stock: 455 Can Dispatch Immediately On Order: 4,536 Expected 2027/01/07 3,780 Expected 2027/01/13 Factory Lead Time: 18 Weeks	$3.11 $2.76 $2.67 $2.59 View $2.54 $2.42 $2.34	Min.: 1 Mult.: 1	Through Hole		30 A	1:500	21 Ohms	Radial	24 mm	21.5 mm	18 mm	50 Hz to 400 Hz
Current Transformers - Board Mount CSE187L-P CSE187L-P Triad Magnetics 1: $4.47 464In Stock	Mfr. Part No. CSE187L-P Mouser Part No 553-CSE187LP	Triad Magnetics	Current Transformers - Board Mount CSE187L-P	Datasheet	464In Stock	$4.47 $4.04 $3.88 $3.49 View $3.48 $3.47 $3.38 $3.27	Min.: 1 Mult.: 1	Through Hole		30 A	1:500	21 Ohms	Radial	24 mm	21.5 mm	18 mm	50 Hz to 400 Hz
Current Transformers - Board Mount CURRENT SENSE TRANSFORMER, PRIMARY CURRENT: 10 AMPS CST-1010 Triad Magnetics 1: $6.11 149In Stock	Mfr. Part No. CST-1010 Mouser Part No 553-CST-1010	Triad Magnetics	Current Transformers - Board Mount CURRENT SENSE TRANSFORMER, PRIMARY CURRENT: 10 AMPS	Datasheet	149In Stock	$6.11 $5.56 $5.34 $5.28 View $5.11 $4.80 $4.65 $4.50	Min.: 1 Mult.: 1	Through Hole		10 A	1000:1	40 Ohms	Radial	23.5 mm	12 mm	24.8 mm	50 Hz to 60 Hz
Current Transformers - Board Mount CURRENT SENSE 14.0mH 100Tct ENCAP TORIOD/CST206-1T CST206-1T Triad Magnetics 1: $5.54 22In Stock 126Expected 2026/11/05	Mfr. Part No. CST206-1T Mouser Part No 553-CST206-1T	Triad Magnetics	Current Transformers - Board Mount CURRENT SENSE 14.0mH 100Tct ENCAP TORIOD/CST206-1T	Datasheet	22In Stock 126Expected 2026/11/05	$5.54 $5.40 $5.33 $4.04 View $3.64 $3.49 $3.40	Min.: 1 Mult.: 1	Through Hole	14 mH	110 A	100CT	58 mOhms	Radial	27.3 mm	10.16 mm	31.12 mm	20 kHz to 250 kHz
Current Transformers - Board Mount CURRENT SENSE 56.0mH 200Tct ENCAP TORIOD/CST206-2T CST206-2T Triad Magnetics 1: $4.38 62In Stock	Mfr. Part No. CST206-2T Mouser Part No 553-CST206-2T	Triad Magnetics	Current Transformers - Board Mount CURRENT SENSE 56.0mH 200Tct ENCAP TORIOD/CST206-2T	Datasheet	62In Stock	$4.38 $4.13 $3.86 $3.83 View $3.06 $2.97 $2.88 $2.66	Min.: 1 Mult.: 1	Through Hole	56 mH	80 A	200CT	3.5 Ohms	Radial	27.3 mm	10.16 mm	31.12 mm	20 kHz to 250 kHz
Current Transformers - Board Mount CURRENT SENSE 130.0mH 300Tct ENCAP TORIOD/CST206-3T CST206-3T Triad Magnetics 1: $3.64 188In Stock	Mfr. Part No. CST206-3T Mouser Part No 553-CST206-3T	Triad Magnetics	Current Transformers - Board Mount CURRENT SENSE 130.0mH 300Tct ENCAP TORIOD/CST206-3T	Datasheet	188In Stock	$3.64 $3.30 $3.17 $3.07 View $2.98 $2.84 $2.76 $2.67	Min.: 1 Mult.: 1	Through Hole	130 mH	70 A	300CT	12.4 Ohms	Radial	27.3 mm	10.16 mm	31.12 mm	20 kHz to 250 kHz
Current Transformers - Board Mount PCB Curr Sense Xfmr 1:50,50-500KHz CST25-0050 Triad Magnetics 1: $2.12 44In Stock	Mfr. Part No. CST25-0050 Mouser Part No 553-CST25-0050	Triad Magnetics	Current Transformers - Board Mount PCB Curr Sense Xfmr 1:50,50-500KHz Learn More about Triad Magnetics triad cst25	Datasheet	44In Stock	$2.12 $1.93 $1.85 $1.79 View $1.74 $1.66 $1.60 $1.56 $1.45	Min.: 1 Mult.: 1	Through Hole	4.7 mH	25 A	1:50	500 mOhms	Solder Pin	17 mm	15 mm	11.8 mm	50 kHz to 500 kHz
Current Transformers - Board Mount PCB Curr Sense Xfmr 1:200,50-500KHz CST25-0200 Triad Magnetics 1: $2.19 6In Stock	Mfr. Part No. CST25-0200 Mouser Part No 553-CST25-0200	Triad Magnetics	Current Transformers - Board Mount PCB Curr Sense Xfmr 1:200,50-500KHz Learn More about Triad Magnetics triad cst25	Datasheet	6In Stock	$2.19 $1.98 $1.90 $1.84 View $1.78 $1.71 $1.66 $1.60 $1.49	Min.: 1 Mult.: 1	Through Hole	76 mH	25 A	1:200	4.5 Ohms	Solder Pin	17 mm	15 mm	11.8 mm	50 kHz to 500 kHz
Current Transformers - Board Mount CURRENT SENSE 3.5mH 50T ENCAP TORIOD/CST306-1A CST306-1A Triad Magnetics 1: $3.29 386In Stock	Mfr. Part No. CST306-1A Mouser Part No 553-CST306-1A	Triad Magnetics	Current Transformers - Board Mount CURRENT SENSE 3.5mH 50T ENCAP TORIOD/CST306-1A	Datasheet	386In Stock	$3.29 $2.98 $2.86 $2.78 View $2.69 $2.57 $2.49 $2.41	Min.: 1 Mult.: 1	Through Hole	3.5 mH	35 A	50:1	340 mOhms	Radial	17.53 mm	9.78 mm	23.24 mm	20 kHz to 200 kHz
Current Transformers - Board Mount CURRENT SENSE 14.0mH 100T ENCAP TORIOD/CST306-2A CST306-2A Triad Magnetics 1: $3.49 21In Stock	Mfr. Part No. CST306-2A Mouser Part No 553-CST306-2A	Triad Magnetics	Current Transformers - Board Mount CURRENT SENSE 14.0mH 100T ENCAP TORIOD/CST306-2A	Datasheet	21In Stock	$3.49 $3.16 $3.04 $2.94 View $2.85 $2.73 $2.64 $2.56	Min.: 1 Mult.: 1	Through Hole	14 mH	25 A	100:1	1.55 Ohms	Radial	17.53 mm	9.78 mm	23.24 mm	20 kHz to 200 kHz
Current Transformers - Board Mount CURRENT SENSE 14.0mH 100Tct ENCAP TORIOD/CST306-2T CST306-2T Triad Magnetics 1: $3.29 95In Stock	Mfr. Part No. CST306-2T Mouser Part No 553-CST306-2T	Triad Magnetics	Current Transformers - Board Mount CURRENT SENSE 14.0mH 100Tct ENCAP TORIOD/CST306-2T	Datasheet	95In Stock	$3.29 $2.64 $2.54 $2.48 View $2.41 $2.40	Min.: 1 Mult.: 1	Through Hole	14 mH	25 A	100CT	1.55 Ohms	Radial	17.53 mm	9.78 mm	23.24 mm	20 kHz to 200 kHz
Current Transformers - Board Mount CURRENT SENSE 55.0mH 200T ENCAP TORIOD/CST306-3A CST306-3A Triad Magnetics 1: $3.29 22In Stock 756Expected 2026/10/01	Mfr. Part No. CST306-3A Mouser Part No 553-CST306-3A	Triad Magnetics	Current Transformers - Board Mount CURRENT SENSE 55.0mH 200T ENCAP TORIOD/CST306-3A	Datasheet	22In Stock 756Expected 2026/10/01	$3.29 $2.98 $2.86 $2.78 View $2.69 $2.57 $2.49 $2.41	Min.: 1 Mult.: 1	Through Hole	55 mH	25 A	200:1	3.75 Ohms	Radial	17.53 mm	9.78 mm	23.24 mm	20 kHz to 200 kHz
Current Transformers - Board Mount 40A 120mH 1:300 CT10-300 ICE Components 1: $4.38 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	$4.38 $3.59 $3.12 $3.02 View $2.93 $2.88 $2.85 $2.73 $2.69	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 TRANSFORMER 300 TURNS PRIMARY 56300C Murata Power Solutions 1: $2.42 48Expected 2026/09/24	Mfr. Part No. 56300C Mouser Part No 580-56300C	Murata Power Solutions	Current Transformers - Board Mount TRANSFORMER 300 TURNS PRIMARY	Datasheet	48Expected 2026/09/24	$2.42 $2.19 $2.04 $1.97 View $1.91 $1.87 $1.69 $1.65 $1.64	Min.: 1 Mult.: 1	Through Hole	160 mH	10 A	300:1	8.59 Ohms	Radial	16.79 mm	8.89 mm	20.19 mm	20 kHz to 200 kHz
Current Transformers - Board Mount CURRENT SENSE 55.0mH 200Tct ENCAP TORIOD/CST306-3T CST306-3T Triad Magnetics 1: $3.49 1,288On Order	Mfr. Part No. CST306-3T Mouser Part No 553-CST306-3T	Triad Magnetics	Current Transformers - Board Mount CURRENT SENSE 55.0mH 200Tct ENCAP TORIOD/CST306-3T	Datasheet	1,288On Order On Order Ship Dates Mfr. No: CST306-3T Stock: 0 On Order: 532 Expected 2027/01/07 756 Expected 2027/01/11 Factory Lead Time: 18 Weeks	$3.49 $3.16 $3.04 $2.94 View $2.85 $2.73 $2.64 $2.56	Min.: 1 Mult.: 1	Through Hole	55 mH	25 A	200CT	3.75 Ohms	Radial	17.53 mm	9.78 mm	23.24 mm	20 kHz to 200 kHz
Current Transformers - Board Mount CSE185L - LOW FREQUENCY CURRENT SENSE TRANSFORMER .1 to 3 AMP at 50 to 400Hz: CSE185L Triad Magnetics 1: $3.09 111Expected 2026/11/05	Mfr. Part No. CSE185L Mouser Part No 553-CSE185L	Triad Magnetics	Current Transformers - Board Mount CSE185L - LOW FREQUENCY CURRENT SENSE TRANSFORMER .1 to 3 AMP at 50 to 400Hz:	Datasheet	111Expected 2026/11/05	$3.09 $2.80 $2.69 $2.61 View $2.54 $2.42 $2.34 $2.27	Min.: 1 Mult.: 1	Through Hole		3 A	1:50	23 Ohms	Radial	24 mm	21.5 mm	18 mm	50 Hz to 400 Hz
Current Transformers - Board Mount 12.4 ohm CST206-3A Triad Magnetics 1: $5.50 314Expected 2026/10/29	Mfr. Part No. CST206-3A Mouser Part No 553-CST206-3A	Triad Magnetics	Current Transformers - Board Mount 12.4 ohm	Datasheet	314Expected 2026/10/29	$5.50 $4.77 $4.55 $4.47 View $4.01 $4.00 $3.95 $3.90	Min.: 1 Mult.: 1	Through Hole	130 mH	70 A	300:1		Radial	27.3 mm	10.16 mm	31.11 mm	20 kHz to 250 kHz
Current Transformers - Board Mount PCB Curr Sense Xfmr 1:100,50-500KHz CST25-0100 Triad Magnetics 1: $2.23 99Expected 2026/10/08	Mfr. Part No. CST25-0100 Mouser Part No 553-CST25-0100	Triad Magnetics	Current Transformers - Board Mount PCB Curr Sense Xfmr 1:100,50-500KHz Learn More about Triad Magnetics triad cst25	Datasheet	99Expected 2026/10/08	$2.23 $2.04 $1.95 $1.90 View $1.83 $1.76 $1.69 $1.64 $1.52	Min.: 1 Mult.: 1	Through Hole	18 mH	25 A	1:100	2 Ohms	Solder Pin	17 mm	15 mm	11.8 mm	50 kHz to 500 kHz
Current Transformers - Board Mount Current Sense Tranformer Kit containing:CST206 -1A, -1T, -2A, -2T, -3A, -3T CST206K Triad Magnetics 1: $19.54 3Factory Stock Available	Mfr. Part No. CST206K Mouser Part No 553-CST206K	Triad Magnetics	Current Transformers - Board Mount Current Sense Tranformer Kit containing:CST206 -1A, -1T, -2A, -2T, -3A, -3T	Datasheet	3Factory Stock Available More Info Available	$19.54 $18.05 $16.20 $15.81 $12.55	Min.: 1 Mult.: 1	Through Hole					Radial	95.3 mm	63.5 mm	50.8 mm	20 kHz to 250 kHz
Current Transformers - Board Mount CURRENT SENSE 14.0mH 100T ENCAP TORIOD/C Triad Magnetics CST206-1A-B CST206-1A-B Triad Magnetics 1: $5.75 2Factory Stock Available	Mfr. Part No. CST206-1A-B Mouser Part No 553-CST206-1A-B	Triad Magnetics	Current Transformers - Board Mount CURRENT SENSE 14.0mH 100T ENCAP TORIOD/C	Datasheet	2Factory Stock Available More Info Available	$5.75 $4.98 $4.64 $4.51 View $4.37 $4.18 $4.05 $3.92	Min.: 1 Mult.: 1	Through Hole	14 mH			580 mOhms		27.3 mm	10.16 mm	31.12 mm	20 kHz to 200 kHz
Current Transformers - Board Mount 100Ohm .04W 20A 5304 Spectrum Control Non-Stocked Lead-Time 16 Weeks Factory Special Order	Mfr. Part No. 5304 Mouser Part No 657-5304 Factory Special Order	Spectrum Control	Current Transformers - Board Mount 100Ohm .04W 20A Learn More about Spectrum Control api technologies current sensors	Datasheet	Non-Stocked Lead-Time 16 Weeks		Request a Quote	Through Hole		20 A		100 Ohms	Radial	23.62 mm	11.94 mm	25.15 mm
Current Transformers - Board Mount PCB Curr Sense Xfmr 1:500,50-500KHz CST25-0500 Triad Magnetics 1: $2.23 Non-Stocked Lead-Time 18 Weeks	Mfr. Part No. CST25-0500 Mouser Part No 553-CST25-0500	Triad Magnetics	Current Transformers - Board Mount PCB Curr Sense Xfmr 1:500,50-500KHz Learn More about Triad Magnetics triad cst25	Datasheet	Non-Stocked Lead-Time 18 Weeks	$2.23 $2.04 $1.94 $1.88 View $1.83 $1.76 $1.69 $1.64 $1.52	Min.: 1 Mult.: 1	Through Hole	470 mH	25 A	1:500	16 Ohms	Solder Pin	17 mm	15 mm	11.8 mm	50 kHz to 500 kHz