EF Transformer Cores
: 10 Products FoundContract pricing display is unavailable at the moment. Prices shown are standard retail prices, orders placed will have contract pricing applied when processed.
Manufacturer Part No | Order Code | Description / Manufacturer | Availability | Price For |
Price (Incl JCT)
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Quantity | Core Type | Core Size | Core Material Grade | For Use With | Effective Magnetic Path Length | Ae Effective Cross Section Area | Inductance Factor Al | Product Range | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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B66229G1000X187
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4154000 |
Transformer Cores, EF, E32/16/9, TDK B66230 Series Coil Former, N87, 74 mm, 83 mm² EPCOS
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898 deliver in 3-4 business days from our UK warehouse :(UK stock) Order before 17:00 Mon-Fri (excluding National Holidays) More stock available week commencing 9/29/25 |
Each
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1+ ¥267.18 (¥293.90) 50+ ¥141.40 (¥155.54) 100+ ¥123.99 (¥136.39) 250+ ¥122.19 (¥134.41) 500+ ¥121.40 (¥133.54) 960+ ¥120.60 (¥132.66) More Pricing... |
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Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Min: 1
Mult:
1
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EF | E32/16/9 | N87 | TDK B66230 Series Coil Former | 74mm | 83mm² | 145nH | B66229 Series | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
B66311G0250X127
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4154021 |
Transformer Cores, EF, E20/10/6, TDK B66206 Series Coil Former, N87, 46.3 mm, 32.1 mm² EPCOS
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5,148 deliver in 3-4 business days from our UK warehouse :(UK stock) Order before 17:00 Mon-Fri (excluding National Holidays) More stock available week commencing 9/29/25 |
Each
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10+ ¥72.20 (¥79.42) 100+ ¥68.58 (¥75.44) 500+ ¥64.95 (¥71.45) 1000+ ¥61.32 (¥67.45) 2940+ ¥57.69 (¥63.46) 5880+ ¥54.06 (¥59.47) More Pricing... |
Restricted Item
Minimum order of 10 items Multiples of 10 only Please enter a valid quantity Min: 10
Mult:
10
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EF | E20/10/6 | N87 | TDK B66206 Series Coil Former | 46.3mm | 32.1mm² | 171nH | B66311 Series | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
B66305G0000X130
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4154015 |
Transformer Cores, EF, E13/7/4, Common-Mode Chokes & Broadband Applications, N30, 29.6 mm EPCOS
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9,320 deliver in 3-4 business days from our UK warehouse :(UK stock) Order before 17:00 Mon-Fri (excluding National Holidays) More stock available week commencing 9/29/25 |
Each
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5+ ¥76.56 (¥84.22) 50+ ¥41.13 (¥45.24) 250+ ¥31.08 (¥34.19) 500+ ¥27.32 (¥30.05) 1500+ ¥25.74 (¥28.31) |
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Minimum order of 5 items Multiples of 5 only Please enter a valid quantity Min: 5
Mult:
5
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EF | E13/7/4 | N30 | Common-Mode Chokes & Broadband Applications | 29.6mm | 12.4mm² | 1µH | B66305 Series | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
B66307G0000X127
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4154017 |
Transformer Cores, EF, E16/8/5, Common-Mode Chokes & Broadband Applications, N27, 37.6 mm EPCOS
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7,830 deliver in 3-4 business days from our UK warehouse :(UK stock) Order before 17:00 Mon-Fri (excluding National Holidays) More stock available week commencing 9/29/25 |
Each
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10+ ¥38.64 (¥42.50) 100+ ¥32.64 (¥35.90) |
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Minimum order of 10 items Multiples of 10 only Please enter a valid quantity Min: 10
Mult:
10
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EF | E16/8/5 | N27 | Common-Mode Chokes & Broadband Applications | 37.6mm | 20.1mm² | 950nH | B66307 Series | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
B66229G0500X187
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4167343 |
Transformer Cores, EF, E32/16/9, Transformers, N87, 74 mm, 83 mm² EPCOS
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Check Stock & Lead Times
342 deliver in 3-4 business days from our UK warehouse :(UK stock) Order before 17:00 Mon-Fri (excluding National Holidays) More stock available week commencing 9/29/25 |
Each
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1+ ¥241.67 (¥265.84) 50+ ¥137.95 (¥151.75) 100+ ¥123.99 (¥136.39) 250+ ¥122.86 (¥135.15) 500+ ¥121.73 (¥133.90) 960+ ¥120.60 (¥132.66) More Pricing... |
Restricted Item
Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Min: 1
Mult:
1
|
EF | E32/16/9 | N87 | Transformers | 74mm | 83mm² | 244nH | B66229 Series | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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B66307G0500X187
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4154019 |
Transformer Cores, EF, E16/8/5, Common-Mode Chokes & Broadband Applications, N87, 37.6 mm EPCOS
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Each
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10+ ¥87.42 (¥96.16) 100+ ¥58.94 (¥64.83) 500+ ¥57.00 (¥62.70) 2500+ ¥55.06 (¥60.57) 4000+ ¥53.12 (¥58.43) 8000+ ¥51.18 (¥56.30) More Pricing... |
Restricted Item
Minimum order of 10 items Multiples of 10 only Please enter a valid quantity Min: 10
Mult:
10
|
EF | E16/8/5 | N87 | Common-Mode Chokes & Broadband Applications | 37.6mm | 20.1mm² | 69nH | B66307 Series | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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B66307G0000X130
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4154018 |
Transformer Cores, EF, E16/8/5, Common-Mode Chokes & Broadband Applications, N30, 37.6 mm EPCOS
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Each
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10+ ¥66.04 (¥72.64) 100+ ¥44.74 (¥49.21) 500+ ¥42.94 (¥47.23) 2500+ ¥41.14 (¥45.25) 4000+ ¥40.75 (¥44.83) |
Restricted Item
Minimum order of 10 items Multiples of 10 only Please enter a valid quantity Min: 10
Mult:
10
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EF | E16/8/5 | N30 | Common-Mode Chokes & Broadband Applications | 37.6mm | 20.1mm² | 1.4µH | B66307 Series | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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B66317G1000X187
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4154023 |
Transformer Cores, EF, E25/13/7, TDK B66208 Series Coil Former, N87, 57.5 mm, 52.5 mm² EPCOS
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Each
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10+ ¥92.77 (¥102.05) 100+ ¥62.60 (¥68.86) 500+ ¥60.10 (¥66.11) 1000+ ¥57.60 (¥63.36) 1800+ ¥55.10 (¥60.61) 3600+ ¥52.59 (¥57.85) More Pricing... |
Restricted Item
Minimum order of 10 items Multiples of 10 only Please enter a valid quantity Min: 10
Mult:
10
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EF | E25/13/7 | N87 | TDK B66208 Series Coil Former | 57.5mm | 52.5mm² | 91nH | B66317 Series | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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B66307GX127
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2677932 |
FERRITE CORE, EF, N27 EPCOS
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Each
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1+ ¥45.35 (¥49.89) 10+ ¥28.42 (¥31.26) 25+ ¥25.70 (¥28.27) 100+ ¥24.71 (¥27.18) 250+ ¥23.93 (¥26.32) 2000+ ¥22.99 (¥25.29) More Pricing... |
EF | E16/8/5 | N27 | E16/8/5 | 37.6mm | 20.1mm² | 950nH | TUK SGACK902S Keystone Coupler | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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B66311G0000X130
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4154020 |
Transformer Cores, EF, E20/10/6, TDK B66206 Series Coil Former, N30, 46.3 mm, 32.1 mm² EPCOS
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Each
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10+ ¥67.40 (¥74.14) 100+ ¥49.99 (¥54.99) 500+ ¥49.88 (¥54.87) 1000+ ¥49.76 (¥54.74) 2940+ ¥49.64 (¥54.60) 5880+ ¥49.52 (¥54.47) More Pricing... |
Restricted Item
Minimum order of 10 items Multiples of 10 only Please enter a valid quantity Min: 10
Mult:
10
|
EF | E20/10/6 | N30 | TDK B66206 Series Coil Former | 46.3mm | 32.1mm² | 2.15µH | B66311 Series |