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 0.699 50+CHF 0.593 250+CHF 0.557 500+CHF 0.482 1000+CHF 0.452	-	E18	3F4	-	20.3mm	39.5mm²	1.8µH	-
B66307G0100X187	2673483 Data Sheet RoHS Date/Lot Code	TDK Transformer Cores Gapped E E16/8/5 SMPS Transformers N87 37.6 mm 20.1 mm²	Each	10+CHF 0.544 100+CHF 0.326 500+CHF 0.282 2500+CHF 0.265 4000+CHF 0.255 More Pricing...	E	E16/8/5	N87	SMPS Transformers	37.6mm	20.1mm²	212nH	B66307 Series
B66335G0000X187	2355090 Data Sheet RoHS Date/Lot Code	TDK Transformer Cores E E55/28/21 N87 124 mm 354 mm²	Each	1+CHF 3.640 10+CHF 2.500 25+CHF 2.120 50+CHF 1.850 100+CHF 1.820	E	E55/28/21	N87	-	124mm	354mm²	6.4µH	B66335 Series
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 13.690 10+CHF 11.030 20+CHF 8.370	U	U93/152/16	N27	TDK B67345 Series Coil Formers	354mm	448mm²	2.9µH	B67345 Series
B66387G0000X187	2355099 Data Sheet RoHS Date/Lot Code	TDK Transformer Cores E E65/32/27 N87 147 mm 535 mm²	Each	1+CHF 5.590 3+CHF 4.080 5+CHF 3.540 10+CHF 3.340 20+CHF 3.160 More Pricing...	E	E65/32/27	N87	-	147mm	535mm²	7.9µH	B66387
B65819J0000R097	2355155 Data Sheet RoHS Date/Lot Code	TDK Transformer Cores RM RM7 N97 30.4 mm 43 mm²	1 Pair	1+CHF 1.440 50+CHF 1.400 100+CHF 1.360 250+CHF 1.320 500+CHF 1.300	RM	RM7	N97	-	30.4mm	43mm²	2.7µH	B65819 Series
B66413U0160L187	2673498 Data Sheet RoHS Date/Lot Code	TDK Transformer Cores Gapped EFD EFD15/8/5 N87 SMPS Transformers 34 mm 15 mm²	Each	10+CHF 0.397 100+CHF 0.260 500+CHF 0.250 2500+CHF 0.240 3840+CHF 0.229 More Pricing...	EFD	EFD15/8/5	N87	SMPS Transformers	34mm	15mm²	160nH	B66413 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	10+CHF 0.340 100+CHF 0.326 500+CHF 0.313 1000+CHF 0.300 2940+CHF 0.287 More Pricing...	E	E20/10/6	N87	SMPS Transformers	46.3mm	32.1mm²	171nH	B66311
B66417G0000X608	4154042 Data Sheet RoHS Date/Lot Code	TDK Transformer Cores EFD EFD20/10/7 DC/DC Converters Transformers PC200 47 mm 31 mm²	Each	10+CHF 0.763 100+CHF 0.510 500+CHF 0.385 1000+CHF 0.370 1890+CHF 0.355	EFD	EFD20/10/7	PC200	DC/DC Converters, Transformers	47mm	31mm²	560nH	B66417 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 2.580 10+CHF 1.870 50+CHF 1.630 100+CHF 1.540 200+CHF 1.460	E	E42/21/20	N87	TDK B66243 Series Coil Former	97mm	234mm²	603nH	B66329 Series
B64290L0647X830	4167310 Data Sheet RoHS Date/Lot Code	TDK Transformer Cores Toroid 29.5mm x 19mm x 14.9mm N30 Inductors / Transformers 73.78 mm	Each	1+CHF 3.730 10+CHF 2.540 50+CHF 1.890 100+CHF 1.710 200+CHF 1.470 More Pricing...	Toroid	29.5mm x 19mm x 14.9mm	N30	Inductors / Transformers	73.78mm	76.98mm²	5.63µH	B64290L0647 Series
2861002302	4154603 Data Sheet RoHS	FAIR-RITE Transformer Cores Multi-Aperture 3.45mm x 2mm x 2.35mm 61	Each	10+CHF 0.0932 250+CHF 0.0566 1000+CHF 0.0478 5000+CHF 0.0389 12900+CHF 0.037	Multi-Aperture	3.45mm x 2mm x 2.35mm	61	Baluns, Broadband Transformers, Airbags	-	-	60nH	-
2644800202	4335978 Data Sheet RoHS Date/Lot Code	FAIR-RITE Toroidal Suppression Core 9.5mm x 4.75mm x 3.175mm	Each	1+CHF 1.170 5+CHF 0.834 10+CHF 0.730 25+CHF 0.641 50+CHF 0.575	Toroid	9.5mm x 4.75mm x 3.175mm	44	AC/DC Rectifiers, Ballasts, Digital Data Signals, Power Inverters, SMPS, Variable Frequency Drives	20.7mm	7.3mm²	-	44 MATERIAL 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	10+CHF 0.621 100+CHF 0.419 500+CHF 0.302 1000+CHF 0.291 3000+CHF 0.279	Toroid	17mm x 10.7mm x 6.8mm	N30	Transformers	42mm	21.04mm²	2.71µH	B64290L0652 Series
B65803N0100A048	4153968 Data Sheet RoHS Date/Lot Code	TDK Transformer Cores RM RM4 Transformers N48 21 mm 11 mm²	1 Set	5+CHF 1.160 50+CHF 1.130 250+CHF 1.090 500+CHF 1.070 1000+CHF 1.050	RM	RM4	N48	Transformers	21mm	11mm²	100nH	B65803 Series
B66307G0000X127	4154017 Data Sheet RoHS Date/Lot Code	TDK Transformer Cores EF E16/8/5 Common-Mode Chokes & Broadband Applications N27 37.6 mm	Each	10+CHF 0.341 100+CHF 0.233 500+CHF 0.172 2500+CHF 0.154 4000+CHF 0.137	EF	E16/8/5	N27	Common-Mode Chokes & Broadband Applications	37.6mm	20.1mm²	950nH	B66307 Series
B64290L0618X065	4167308 Data Sheet RoHS Date/Lot Code	TDK Transformer Cores Toroid 25.3mm x 14.8mm x 10mm T65 Inductors / Transformers 60.07 mm	Each	5+CHF 1.460 50+CHF 0.762 250+CHF 0.710 500+CHF 0.658 1000+CHF 0.606	Toroid	25.3mm x 14.8mm x 10mm	T65	Inductors / Transformers	60.07mm	51.26mm²	5.35µH	B64290L0618 Series
B66307G0500X187	4154019 Data Sheet RoHS Date/Lot Code	TDK Transformer Cores EF E16/8/5 N87 Common-Mode Chokes & Broadband Applications 37.6 mm	Each	10+CHF 0.540 100+CHF 0.323 500+CHF 0.279 2500+CHF 0.262 4000+CHF 0.252	EF	E16/8/5	N87	Common-Mode Chokes & Broadband Applications	37.6mm	20.1mm²	69nH	B66307 Series
2644800102	4335977 Data Sheet RoHS Date/Lot Code	FAIR-RITE Toroidal Suppression Core 5.84mm x 3.04mm x 1.52mm	Each	5+CHF 0.581 50+CHF 0.408 250+CHF 0.355 500+CHF 0.317 1000+CHF 0.311 More Pricing...	Toroid	5.84mm x 3.04mm x 1.52mm	44	AC/DC Rectifiers, Ballasts, Digital Data Signals, Power Inverters, SMPS, Variable Frequency Drives	13mm	2.1mm²	-	44 MATERIAL 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 2.700 10+CHF 2.630 50+CHF 2.550 100+CHF 2.480 200+CHF 2.440	PQ	PQ26/25	N49	TDK B65878E Series Coil Former	53.5mm	122.2mm²	3.3µH	B65877A Series
5977000601	4154609 Data Sheet RoHS	FAIR-RITE Transformer Cores Toroid 21mm x 13.2mm x 6.35mm 77	Each	1+CHF 0.950 50+CHF 0.500 100+CHF 0.459 250+CHF 0.398 500+CHF 0.377 More Pricing...	Toroid	21mm x 13.2mm x 6.35mm	77	Power Input Filters, Ground-Fault Interrupters, Common-Mode filters , Pulse & Broadband Transformers	52mm	24.3mm²	1.27µH	-
B64290L0743X087	4167318 Data Sheet RoHS Date/Lot Code	TDK Transformer Cores Toroid 15.8mm x 8.9mm x 4.7mm N87 Inductors / Transformers 36.75 mm	Each	10+CHF 0.408 100+CHF 0.277 500+CHF 0.203 2500+CHF 0.191 3750+CHF 0.180 More Pricing...	Toroid	15.8mm x 8.9mm x 4.7mm	N87	Inductors / Transformers	36.75mm	15.78mm²	1.19µH	B64290L0743 Series
B64290L0742X038	4167317 Data Sheet RoHS Date/Lot Code	TDK Transformer Cores Toroid 12.7mm x 7.9mm x 6.35mm T38 Inductors / Transformers 31.17 mm	Each	10+CHF 0.518 100+CHF 0.349 500+CHF 0.255 1000+CHF 0.245 2250+CHF 0.235 More Pricing...	Toroid	12.7mm x 7.9mm x 6.35mm	T38	Inductors / Transformers	31.17mm	14.96mm²	6.03µH	B64290L0742 Series
B65843A0160B087	4016072 Data Sheet RoHS	TDK Transformer Cores EP EP13 N87 TDK B65843A Series Coil Formers 24.2 mm 19.5 mm²	1 Set	5+CHF 1.690 50+CHF 0.905 250+CHF 0.688 500+CHF 0.598 1000+CHF 0.586 More Pricing...	EP	EP13	N87	TDK B65843A Series Coil Formers	24.2mm	19.5mm²	160nH	B65843A Series
B66307G0000X130	4154018 Data Sheet RoHS Date/Lot Code	TDK Transformer Cores EF E16/8/5 N30 Common-Mode Chokes & Broadband Applications 37.6 mm	Each	10+CHF 0.440 100+CHF 0.264 500+CHF 0.229 2500+CHF 0.214 4000+CHF 0.206 More Pricing...	EF	E16/8/5	N30	Common-Mode Chokes & Broadband Applications	37.6mm	20.1mm²	1.4µH	B66307 Series