Transformer Cores | Farnell Česká republika

EU VAT Ordering,

From 1 July 2026, EU regulations mean we can only accept orders from customers with a valid EU VAT number.

Create an account to add your VAT details.

Find a huge range of Transformer Cores at Farnell Česká republika. We stock a large selection of Transformer Cores, including new and most popular products from the world's top manufacturers including: TDK, Ferroxcube, Fair-rite, Laird & Wurth Elektronik

Manufacturer Part No	Order Code	Manufacturer / Description	Price For	Price (ex VAT)	Core Type	Core Size	Core Material Grade	For Use With	Effective Magnetic Path Length	Ae Effective Cross Section Area	Inductance Factor Al	Product Range

E18/4/10/R-3F4	3056028 Data Sheet RoHS Date/Lot Code	FERROXCUBE Transformer Cores Planar E Core E18 3F4 20.3 mm 39.5 mm²	Each	5+Kč18.775 50+Kč15.905 250+Kč14.932 500+Kč12.963 1000+Kč12.136	-	E18	3F4	-	20.3mm	39.5mm²	1.8µH	-
B67345B0003X027	3581009 Data Sheet RoHS	TDK Transformer Cores U U93/152/16 N27 TDK B67345 Series Coil Formers 354 mm 448 mm²	Each	1+Kč423.898 10+Kč315.674 20+Kč309.350	U	U93/152/16	N27	TDK B67345 Series Coil Formers	354mm	448mm²	2.9µH	B67345 Series
ER9.5-3F3-S	3057045 Data Sheet RoHS Date/Lot Code	FERROXCUBE Transformer Cores Full Core ER9.5 3F3 14.2 mm 8.47 mm²	1 Pair	1+Kč23.153 50+Kč16.100 100+Kč15.103 250+Kč13.887 1000+Kč12.282 More Pricing...	-	ER9.5	3F3	-	14.2mm	8.47mm²	850nH	-
B65819J0000R097	2355155 Data Sheet RoHS Date/Lot Code	TDK Transformer Cores RM RM7 N97 30.4 mm 43 mm²	1 Pair	1+Kč73.203 10+Kč55.206 50+Kč46.938 100+Kč43.046 200+Kč40.614 More Pricing...	RM	RM7	N97	-	30.4mm	43mm²	2.7µH	B65819 Series
B66311G0250X187	2673486 Data Sheet RoHS Date/Lot Code	TDK Transformer Cores Gapped E E20/10/6 N87 SMPS Transformers 46.3 mm 32.1 mm²	Each	5+Kč21.718 50+Kč11.844 250+Kč8.463 500+Kč7.831 1500+Kč7.661 More Pricing...	E	E20/10/6	N87	SMPS Transformers	46.3mm	32.1mm²	171nH	B66311
B65815E0000R087	1781855 Data Sheet RoHS Date/Lot Code	TDK Transformer Cores RM RM12 N87 57 mm 146 mm²	1 Set	1+Kč149.325 10+Kč103.846 25+Kč82.931 50+Kč70.042 100+Kč61.286 More Pricing...	RM	RM12	N87	-	57mm	146mm²	5.3µH	B65815 Series
B66307G0000X127	4154017 Data Sheet RoHS Date/Lot Code	TDK Transformer Cores EF E16/8/5 N27 Common-Mode Chokes & Broadband Applications 37.6 mm	Each	10+Kč12.014 100+Kč8.196 500+Kč6.080 1000+Kč4.888 2000+Kč4.718 More Pricing...	EF	E16/8/5	N27	Common-Mode Chokes & Broadband Applications	37.6mm	20.1mm²	950nH	B66307 Series
B64290L0652X087	4153931 Data Sheet RoHS	TDK Transformer Core 1.39µH 42mm N87 Toroid 17mm x 10.7mm x 6.8mm	Each	5+Kč26.752 50+Kč14.616 250+Kč10.458 500+Kč8.852 1500+Kč8.147 More Pricing...	Toroid	17mm x 10.7mm x 6.8mm	N87	Transformers	42mm	21.04mm²	1.39µH	B64290L0652 Series
B66453K0000X187	4154043 Data Sheet RoHS Date/Lot Code	TDK Transformer Cores Planar Plate/I I18/2/10 N87 Transformers 20.3 mm 39.5 mm²	Each	5+Kč32.102 50+Kč27.968 250+Kč23.274 500+Kč20.867 1000+Kč20.380 More Pricing...	Planar Plate/I	I18/2/10	N87	Transformers	20.3mm	39.5mm²	2.9µH	B66453 Series
B65877A0000R049	4153989 Data Sheet RoHS Date/Lot Code	TDK Transformer Cores PQ PQ26/25 N49 TDK B65878E Series Coil Former 53.5 mm 122.2 mm²	1 Pair	1+Kč93.146 10+Kč90.714 50+Kč88.038 100+Kč85.606 200+Kč83.904	PQ	PQ26/25	N49	TDK B65878E Series Coil Former	53.5mm	122.2mm²	3.3µH	B65877A Series
B66483G0000X149	4154053 Data Sheet RoHS Date/Lot Code	TDK Transformer Cores Planar EQ EQ20/6.3/14 N49 Transformers 33.2 mm 59 mm²	Each	1+Kč61.043 50+Kč31.616 100+Kč29.184 250+Kč25.536 500+Kč25.050 More Pricing...	Planar EQ	EQ20/6.3/14	N49	Transformers	33.2mm	59mm²	2.6µH	B66483 Series
B66417G0000X608	4154042 Data Sheet RoHS Date/Lot Code	TDK Transformer Cores EFD EFD20/10/7 PC200 DC/DC Converters Transformers 47 mm 31 mm²	Each	1+Kč36.480 50+Kč19.602 100+Kč17.219 250+Kč13.133 500+Kč11.333 More Pricing...	EFD	EFD20/10/7	PC200	DC/DC Converters, Transformers	47mm	31mm²	560nH	B66417 Series
B66281G0000X149	4167346 Data Sheet RoHS Date/Lot Code	TDK Transformer Cores ELP ELP14/3.5/5 N49 Transformers 20.7 mm 14.3 mm²	Each	5+Kč44.019 50+Kč39.885 250+Kč35.750 500+Kč31.616 1000+Kč27.482 More Pricing...	ELP	ELP14/3.5/5	N49	Transformers	20.7mm	14.3mm²	800nH	B66281 Series
B66461G0000X187	4154047 Data Sheet RoHS Date/Lot Code	TDK Transformer Cores Planar ELP ELP43/10/28 N87 Transformers 61.6 mm 225 mm²	Each	1+Kč98.010 5+Kč84.390 10+Kč70.771 25+Kč59.341 50+Kč55.936 More Pricing...	Planar ELP	ELP43/10/28	N87	Transformers	61.6mm	225mm²	7.3µH	B66461 Series
B66371Q0400K187	4167368 Data Sheet RoHS Date/Lot Code	TDK Transformer Cores E E70/33/32 N87 Transformers 149 mm 683 mm²	Each	1+Kč329.050 3+Kč298.893 5+Kč268.493 10+Kč238.336 20+Kč233.472	E	E70/33/32	N87	Transformers	149mm	683mm²	400nH	B66371 Series
B65513J0000R087	4153941 Data Sheet RoHS Date/Lot Code	TDK Transformer Cores ER ER14.5/6 N87 High Inductance Transformers 19 mm 17.6 mm²	1 Pair	5+Kč12.184 50+Kč11.990 250+Kč11.820 500+Kč11.625 1000+Kč11.455 More Pricing...	ER	ER14.5/6	N87	High Inductance Transformers	19mm	17.6mm²	1.5µH	B65513 Series
B66329G0500X187	4154025 Data Sheet RoHS Date/Lot Code	TDK Transformer Cores E E42/21/20 N87 TDK B66243 Series Coil Former 97 mm 234 mm²	Each	1+Kč73.203 10+Kč55.206 50+Kč46.938 100+Kč43.046 200+Kč40.614	E	E42/21/20	N87	TDK B66243 Series Coil Former	97mm	234mm²	603nH	B66329 Series
B65803N0100A048	4153968 Data Sheet RoHS Date/Lot Code	TDK Transformer Cores RM RM4 N48 Transformers 21 mm 11 mm²	1 Set	1+Kč80.499 50+Kč47.424 100+Kč40.858 250+Kč37.453 500+Kč35.750 More Pricing...	RM	RM4	N48	Transformers	21mm	11mm²	100nH	B65803 Series
B64290L0652X830	4153932 Data Sheet RoHS Date/Lot Code	TDK Transformer Core 2.71µH 42mm N30 Toroid 17mm x 10.7mm x 6.8mm	Each	5+Kč28.698 50+Kč15.686 250+Kč11.212 500+Kč9.558 1500+Kč9.315 More Pricing...	Toroid	17mm x 10.7mm x 6.8mm	N30	Transformers	42mm	21.04mm²	2.71µH	B64290L0652 Series
RM8/I-3C95	2103462 Data Sheet RoHS Date/Lot Code	FERROXCUBE Transformer Cores RM/I RM8/I 3C95 38.4 mm 63 mm²	1 Pair	1+Kč46.451 10+Kč39.885 50+Kč34.048 200+Kč32.102 400+Kč30.157 More Pricing...	RM/I	RM8/I	3C95	-	38.4mm	63mm²	4.1µH	-
B65811J0000R087	1422720 Data Sheet RoHS Date/Lot Code	TDK Transformer Cores RM RM8 N87 38 mm 64 mm²	1 Pair	1+Kč97.280 10+Kč66.880 50+Kč49.856 100+Kč43.533 200+Kč41.101 More Pricing...	RM	RM8	N87	-	38mm	64mm²	3.3µH	B65811 Series
TX40/24/16-3C90	1784185 Data Sheet RoHS Date/Lot Code	FERROXCUBE Transformer Cores Toroid Toroid 3C90 96.3 mm 125 mm²	Each	1+Kč122.816 10+Kč104.090 50+Kč92.173 100+Kč86.579 200+Kč83.174 More Pricing...	Toroid	-	3C90	-	96.3mm	125mm²	3.5µH	-
B66363G0000X187	2355028 Data Sheet RoHS Date/Lot Code	TDK Transformer Cores ETD ETD39/20/13 N87 92.2 mm 125 mm²	Each	1+Kč70.771 10+Kč53.504 50+Kč45.235 100+Kč41.587 200+Kč39.398 More Pricing...	ETD	ETD39/20/13	N87	-	92.2mm	125mm²	2.7µH	B66363 Series
B66311G0000X187	1422758 Data Sheet RoHS Date/Lot Code	TDK Transformer Cores Half Core E EF20 N87 B66311 46.3 mm 31.9 mm²	Each	1+Kč24.563 50+Kč12.525 100+Kč10.847 250+Kč9.242 500+Kč8.415 More Pricing...	E	EF20	N87	B66311	46.3mm	31.9mm²	1.4µH	B66311 Series
E55/28/21-3C90	2103338 Data Sheet RoHS Date/Lot Code	FERROXCUBE Transformer Cores E E55 3C90 124 mm 353 mm²	Each	1+Kč89.011 10+Kč75.392 50+Kč70.771 100+Kč66.880 200+Kč62.746 More Pricing...	E	E55	3C90	-	124mm	353mm²	6.3µH	-