Transformer Cores | Farnell Switzerland

Good News for Small Orders

We’ve reduced our minimum order value from 75 CHF to 50 CHF. Order what you need, when you need it.

Find a huge range of Transformer Cores at Farnell Switzerland. We stock a large selection of Transformer Cores, including new and most popular products from the world's top manufacturers including: TDK, Fair-rite, Ferroxcube, 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+CHF 0.719 50+CHF 0.609 250+CHF 0.572 500+CHF 0.497 1000+CHF 0.465	-	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+CHF 16.240 10+CHF 12.090 20+CHF 11.850	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+CHF 0.879 50+CHF 0.611 100+CHF 0.573 250+CHF 0.527 1000+CHF 0.466 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+CHF 2.800 10+CHF 2.110 50+CHF 1.800 100+CHF 1.650 200+CHF 1.560 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+CHF 0.832 50+CHF 0.454 250+CHF 0.324 500+CHF 0.300 1500+CHF 0.293 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+CHF 5.720 10+CHF 3.980 25+CHF 3.180 50+CHF 2.680 100+CHF 2.350 More Pricing...	RM	RM12	N87	-	57mm	146mm²	5.3µH	B65815 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+CHF 1.400 50+CHF 0.751 100+CHF 0.660 250+CHF 0.503 500+CHF 0.434 More Pricing...	EFD	EFD20/10/7	PC200	DC/DC Converters, Transformers	47mm	31mm²	560nH	B66417 Series
B66371Q0400K187	4167368 Data Sheet RoHS Date/Lot Code	TDK Transformer Cores E E70/33/32 N87 Transformers 149 mm 683 mm²	Each	1+CHF 12.600 3+CHF 11.450 5+CHF 10.290 10+CHF 9.130 20+CHF 8.940	E	E70/33/32	N87	Transformers	149mm	683mm²	400nH	B66371 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+CHF 2.800 10+CHF 2.110 50+CHF 1.800 100+CHF 1.650 200+CHF 1.560	E	E42/21/20	N87	TDK B66243 Series Coil Former	97mm	234mm²	603nH	B66329 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+CHF 1.690 50+CHF 1.530 250+CHF 1.370 500+CHF 1.210 1000+CHF 1.050 More Pricing...	ELP	ELP14/3.5/5	N49	Transformers	20.7mm	14.3mm²	800nH	B66281 Series
B65803N0100A048	4153968 Data Sheet RoHS Date/Lot Code	TDK Transformer Cores RM RM4 N48 Transformers 21 mm 11 mm²	1 Set	1+CHF 3.080 50+CHF 1.820 100+CHF 1.570 250+CHF 1.430 500+CHF 1.370 More Pricing...	RM	RM4	N48	Transformers	21mm	11mm²	100nH	B65803 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+CHF 0.460 100+CHF 0.314 500+CHF 0.233 1000+CHF 0.187 2000+CHF 0.181 More Pricing...	EF	E16/8/5	N27	Common-Mode Chokes & Broadband Applications	37.6mm	20.1mm²	950nH	B66307 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+CHF 1.230 50+CHF 1.070 250+CHF 0.892 500+CHF 0.799 1000+CHF 0.781 More Pricing...	Planar Plate/I	I18/2/10	N87	Transformers	20.3mm	39.5mm²	2.9µH	B66453 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+CHF 3.750 5+CHF 3.230 10+CHF 2.710 25+CHF 2.270 50+CHF 2.140 More Pricing...	Planar ELP	ELP43/10/28	N87	Transformers	61.6mm	225mm²	7.3µH	B66461 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+CHF 1.100 50+CHF 0.601 250+CHF 0.429 500+CHF 0.366 1500+CHF 0.357 More Pricing...	Toroid	17mm x 10.7mm x 6.8mm	N30	Transformers	42mm	21.04mm²	2.71µH	B64290L0652 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+CHF 3.570 10+CHF 3.470 50+CHF 3.370 100+CHF 3.280 200+CHF 3.210	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+CHF 2.340 50+CHF 1.210 100+CHF 1.120 250+CHF 0.978 500+CHF 0.960 More Pricing...	Planar EQ	EQ20/6.3/14	N49	Transformers	33.2mm	59mm²	2.6µH	B66483 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+CHF 0.462 50+CHF 0.455 250+CHF 0.448 500+CHF 0.441 1000+CHF 0.434 More Pricing...	ER	ER14.5/6	N87	High Inductance Transformers	19mm	17.6mm²	1.5µH	B65513 Series
B64290L0652X087	4153931 Data Sheet RoHS	TDK Transformer Core 1.39µH 42mm N87 Toroid 17mm x 10.7mm x 6.8mm	Each	5+CHF 1.020 50+CHF 0.560 250+CHF 0.401 500+CHF 0.339 1500+CHF 0.312 More Pricing...	Toroid	17mm x 10.7mm x 6.8mm	N87	Transformers	42mm	21.04mm²	1.39µH	B64290L0652 Series
B66365G0000X187	2355030 Data Sheet RoHS Date/Lot Code	TDK Transformer Cores ETD ETD44/22/15 N87 103 mm 173 mm²	Each	1+CHF 3.810 10+CHF 2.620 25+CHF 2.230 50+CHF 1.960 100+CHF 1.910 More Pricing...	ETD	ETD44/22/15	N87	-	103mm	173mm²	3.5µH	B66365 Series
TX36/23/15-4C65	2103410 Data Sheet RoHS Date/Lot Code	FERROXCUBE Transformer Cores Toroid Toroid TX36 4C65 89.7 mm 97.5 mm²	Each	1+CHF 7.910 5+CHF 6.710 10+CHF 6.300 25+CHF 6.120 50+CHF 5.930 More Pricing...	Toroid	TX36	4C65	-	89.7mm	97.5mm²	170nH	-
B66363G0000X187	2355028 Data Sheet RoHS Date/Lot Code	TDK Transformer Cores ETD ETD39/20/13 N87 92.2 mm 125 mm²	Each	1+CHF 2.710 10+CHF 2.050 50+CHF 1.730 100+CHF 1.590 200+CHF 1.510 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+CHF 0.941 50+CHF 0.480 100+CHF 0.416 250+CHF 0.354 500+CHF 0.322 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+CHF 3.380 10+CHF 2.860 50+CHF 2.680 100+CHF 2.540 200+CHF 2.380 More Pricing...	E	E55	3C90	-	124mm	353mm²	6.3µH	-
B66371G0000X187	2355093 Data Sheet RoHS	TDK Transformer Cores E E70/33/32 N87 149 mm 683 mm²	Each	1+CHF 11.040 5+CHF 9.540 10+CHF 8.030 20+CHF 7.740 40+CHF 7.440 More Pricing...	E	E70/33/32	N87	-	149mm	683mm²	9.7µH	B66371 Series