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Transformer Ferrite Cores | Ferrite Core Transformer

New items

B66421U0160K187, EPCOS

EPCOS B66421 EFD 25/13/9 Transformer Ferrite Cores B66421 EFD 25/13/9 transformer ferrite cores from EPCOS are ideal for DC-DC converters. Featuring an E core with a lower centre leg that has been flattened, these ferrite cores are suitable for flat transformer designs. Ungapped and gapped versions are available, and these cores are offered with construction from N87 or N97 ferrite material. EPCOS Ferrite Cores

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New items

B65879A0000R087, EPCOS

EPCOS B65879 PQ32/20 Ferrite Cores EPCOS B65879 PQ32/20 Ferrite cores have optimised round leg and wider outer surface to conventional cores. The round leg on these ferrite cores reduces winding length and the wider surface area lowers the thermal resistance by offering a larger area for heat dissipation. The shape also produces better shielding to the winding. EPCOS Ferrite Cores

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B65807N0400A048, EPCOS

RM 6, 8 & 10 Cores Cores without centre hole for transformer applications Delivered as sets Dimensions (mm) Core Type a ød 1 ød 2 ød 3 h 1 h 2 RM6 14.7-0.6 12.4+0.5 6.4-0.2 3.0+0.1 12.5-0.2 8.0+0.4 RM8 19.7-0.8 17+0.6 8.55-0.3 4.4+0.2 16.5-0.2 10.8+0.4 RM10 24.7-1.1 21.2+0.9 10.9-0.4 5.4+0.2 18.7-0.2 12.4+0.6 Ferrite Core Sets Core Type A L standard value (nH) Material Type RM 6 2400 N87 B65807JR87 RM 8 3300 N87 B65811JR87 RM 10 4200 N87 B65813JR87 Coil Former Core Type A N mm 2 Pins Type RM 6 15 6 B65808E1508T1 RM 8 30 12 B65812C1512T1 RM 10 41.5 12 B65814C1512T1 Magnetic Form Characteristics Core Type ΣI/A mm -1 I e mm A e mm 2 V e mm 3 Fixing Thread RM6 0.86 26.9 31.3 840 M2 RM8 0.67 35.1 52 1840 M2 RM10 0.50 42.0 83 3470 M3 EPCOS Ferrite Cores

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New items

B66358G0200X187, EPCOS

EPCOS B66358 ETD 29/16/10 Ferrite Cores B66358 series ETD 29/16/10 ferrite cores from EPCOS are manufactured to IEC 61185 standards. These ferrite cores are ideal for switch mode power supply transformers as they provide an optimum weight to performance ratio at small volume. Gapped and ungapped varieties are available, and these ferrite cores are offered with construction from either N27, N87 or N97 ferrite material. EPCOS Ferrite Cores

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New items

FS-1E-6527-05, Block

Block FS-1E Series Size 65/32/27 Ferrite Transformer Cores FS-1E series size 65/32/27 ferrite transformer cores made from N87. These standard 'E' type ferrite transformer cores are available with air gaps inserted: Stock number 840-7474 has a 0.1mm gap Stock number 840-7557 has a 0.2mm gap Stock number 840-7645 has a 0.5mm gap Stock number 840-7727 has a 1.0mm gap Typical applications for these ferrite cores include transformers and inductors in switch mode power supplies For bobbin see stock number 840-7308 Transformer Ferrite Kits - Cores The A L value in the table applies to a core set consisting of two cores without air gap Cores ETD conform to IEC 51(CO)276

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New items

FS-1ETD-3913-01, Block

Block FS-1ETD Series type ETD39/20/13 Ferrite Transformer Cores FS-1ETD series type ETD39/20/13 ferrite transformer cores made from N87 with a cylindrical centre leg. These ETD ferrite cores are available with air gaps inserted: Stock number 840-7412 has a 0.1mm gap Stock number 840-7500 has a 0.2mm gap Stock number 840-7581 has a 0.5mm gap Stock number 840-7664 has a 1.0mm gap Typical applications for these ferrite cores include transformers and inductors in switch mode power supplies For bobbins see stock numbers 840-7349 and 840-7358 Transformer Ferrite Kits - Cores The A L value in the table applies to a core set consisting of two cores without air gap Cores ETD conform to IEC 51(CO)276

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New items

FS-1E-3007-10, Block

Block FS-1E Series Size 30/15/7 Ferrite Transformer Cores FS-1E series size 30/15/7 ferrite transformer cores made from N87. These standard 'E' type ferrite transformer cores are available with air gaps inserted: Stock number 840-7440 has a 0.1mm gap Stock number 840-7538 has a 0.2mm gap Stock number 840-7610 has a 0.5mm gap Stock number 840-7692 has a 1.0mm gap Typical applications for these ferrite cores include transformers and inductors in switch mode power supplies For bobbins see stock numbers 840-7263 and 840-7266 Transformer Ferrite Kits - Cores The A L value in the table applies to a core set consisting of two cores without air gap Cores ETD conform to IEC 51(CO)276

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New items

FS-1EFD-1505-01, Block

Block FS-1EFD Series Size 15/8/5 Ferrite Transformer Cores FS-1EFD series size 15/8/5 ferrite transformer cores made from N87. These EFD low profile type ferrite transformer cores are available with air gaps inserted: Stock number 840-7487 has a 0.1mm gap Stock number 840-7569 has a 0.2mm gap Stock number 840-7642 has a 0.5mm gap Stock number 840-7730 has a 1.0mm gap Typical applications for these ferrite cores include transformers and reactors in switch mode power supplies For bobbins see stock numbers 840-7305 and 840-7314 Transformer Ferrite Kits - Cores The A L value in the table applies to a core set consisting of two cores without air gap Cores ETD conform to IEC 51(CO)276

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New items

FS-1E-5521-02, Block

Block FS-1E Series Size 55/28/21 Ferrite Transformer Cores FS-1E series size 55/28/21 ferrite transformer cores made from N87. These standard 'E' type ferrite transformer cores are available with air gaps inserted: Stock number 840-7462 has a 0.1mm gap Stock number 840-7550 has a 0.2mm gap Stock number 840-7632 has a 0.5mm gap Stock number 840-7715 has a 1.0mm gap Typical applications for these ferrite cores include transformers and inductors in switch mode power supplies For bobbins see stock numbers 840-7291 and 840-7294 Transformer Ferrite Kits - Cores The A L value in the table applies to a core set consisting of two cores without air gap Cores ETD conform to IEC 51(CO)276

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New items

B65877B0000R087, EPCOS

EPCOS B65877 PQ26/20 Ferrite Cores EPCOS B65877 PQ26/20 Ferrite cores have optimised round leg and wider outer surface to conventional cores. The round leg on these ferrite cores reduces winding length and the wider surface area lowers the thermal resistance by offering a larger area for heat dissipation. The shape also produces better shielding to the winding. To IEC 62317-13 EPCOS Ferrite Cores

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New items

FS-1E-3007-01, Block

Block FS-1E Series Size 30/15/7 Ferrite Transformer Cores FS-1E series size 30/15/7 ferrite transformer cores made from N87. These standard 'E' type ferrite transformer cores are available with air gaps inserted: Stock number 840-7440 has a 0.1mm gap Stock number 840-7538 has a 0.2mm gap Stock number 840-7610 has a 0.5mm gap Stock number 840-7692 has a 1.0mm gap Typical applications for these ferrite cores include transformers and inductors in switch mode power supplies For bobbins see stock numbers 840-7263 and 840-7266 Transformer Ferrite Kits - Cores The A L value in the table applies to a core set consisting of two cores without air gap Cores ETD conform to IEC 51(CO)276

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New items

FS-1ETD-2910-05, Block

Block FS-1ETD Series Size 29/16/10 Ferrite Transformer Cores FS-1ETD series size 29/16/10 ferrite transformer cores made from N87 with a cylindrical centre leg. These ETD ferrite cores are available with air gaps inserted: Stock number 840-7415 has a 0.1mm gap Stock number 840-7496 has a 0.2mm gap Stock number 840-7579 has a 0.5mm gap Stock number 840-7667 has a 1.0mm gap Typical applications for these ferrite cores include transformers and inductors in switch mode power supplies For bobbins see stock numbers 840-7339 and 840-7333 For potting box see stock number 840-7406 Transformer Ferrite Kits - Cores The A L value in the table applies to a core set consisting of two cores without air gap Cores ETD conform to IEC 51(CO)276

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