Transformers

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Core Type Core Size For Use With Core Material Grade Effective Magnetic Path Length Ae Effective Cross Section Area Inductance Factor Al Product Range
 
 
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B66365G1500X187
B66365G1500X187 - Transformer Cores, ETD, ETD44/22/15, TDK B66365 Series Coil Formers, N87, 103 mm, 173 mm²

4016083

Transformer Cores, ETD, ETD44/22/15, TDK B66365 Series Coil Formers, N87, 103 mm, 173 mm²

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52 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 6/30/25

Each

1+ ¥661.49 (¥727.64) 10+ ¥462.42 (¥508.66) 25+ ¥390.31 (¥429.34) 50+ ¥341.72 (¥375.89) 100+ ¥334.60 (¥368.06) 288+ ¥330.18 (¥363.20) More Pricing...

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ETD ETD44/22/15 TDK B66365 Series Coil Formers N87 103mm 173mm² 194nH B66365 Series
B65879Q0150K095
B65879Q0150K095 - Transformer Cores, PQ, PQ32/30, Inductors / Transformers, N95, 67.8 mm, 153.8 mm²

4167329

Transformer Cores, PQ, PQ32/30, Inductors / Transformers, N95, 67.8 mm, 153.8 mm²

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175 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 9/22/25

1 Set

1+ ¥1,197.57 (¥1,317.33) 10+ ¥808.83 (¥889.71) 25+ ¥681.87 (¥750.06) 50+ ¥679.86 (¥747.85) 100+ ¥677.85 (¥745.64) 225+ ¥675.83 (¥743.41) 1125+ ¥673.82 (¥741.20) 2250+ ¥671.80 (¥738.98) More Pricing...

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PQ PQ32/30 Inductors / Transformers N95 67.8mm 153.8mm² 150nH B65879Q Series
B65661W0000R030
B65661W0000R030 - Transformer Cores, PM, P22/13, TDK B65662 Series Coil Former, N30, 33.2 mm, 72.6 mm²

4153962

Transformer Cores, PM, P22/13, TDK B65662 Series Coil Former, N30, 33.2 mm, 72.6 mm²

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674 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 7/7/25

1 Pair

1+ ¥598.79 (¥658.67) 10+ ¥509.44 (¥560.38) 50+ ¥377.77 (¥415.55) 100+ ¥332.31 (¥365.54) 200+ ¥332.01 (¥365.21) 400+ ¥331.71 (¥364.88) 2000+ ¥331.41 (¥364.55) 4000+ ¥331.10 (¥364.21) More Pricing...

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PM P22/13 TDK B65662 Series Coil Former N30 33.2mm 72.6mm² 8.3µH B65661 Series
B66307G0000X127
B66307G0000X127 - Transformer Cores, EF, E16/8/5, Common-Mode Chokes & Broadband Applications, N27, 37.6 mm

4154017

Transformer Cores, EF, E16/8/5, Common-Mode Chokes & Broadband Applications, N27, 37.6 mm

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7,840 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 7/7/25

Each

10+ ¥35.84 (¥39.42) 100+ ¥34.88 (¥38.37) 500+ ¥33.93 (¥37.32) 2500+ ¥32.98 (¥36.28) 4000+ ¥32.22 (¥35.44)

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EF E16/8/5 Common-Mode Chokes & Broadband Applications N27 37.6mm 20.1mm² 950nH B66307 Series
B65804P2203X000
B65804P2203X000 - Clamp, RM4 Transformer Ferrite Core, Ground Terminal

4016068

Clamp, RM4 Transformer Ferrite Core, Ground Terminal

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3,148 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 10/13/25

Each

1+ ¥79.00 (¥86.90) 50+ ¥51.22 (¥56.34) 100+ ¥40.91 (¥45.00) 250+ ¥38.52 (¥42.37) 1000+ ¥36.14 (¥39.75)

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- - Epcos B65803 Series Size RM 4 LP Transformer Cores - - - - B65804 Series
B66387Q0100K187
B66387Q0100K187 - Transformer Cores, E, E65/32/27, Transformers, N87, 147 mm, 535 mm²

4167370

Transformer Cores, E, E65/32/27, Transformers, N87, 147 mm, 535 mm²

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1+ ¥1,382.54 (¥1,520.79) 3+ ¥1,231.54 (¥1,354.69) 5+ ¥1,080.54 (¥1,188.59) 10+ ¥929.53 (¥1,022.48) 20+ ¥889.32 (¥978.25) 50+ ¥849.11 (¥934.02) 250+ ¥808.90 (¥889.79) 500+ ¥778.33 (¥856.16) More Pricing...

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E E65/32/27 Transformers N87 147mm 535mm² 100nH B66387 Series
B66388B1000T001
B66388B1000T001 - Coilformer, Transformer, E65, B66388 Series

4167389

Coilformer, Transformer, E65, B66388 Series

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1+ ¥689.70 (¥758.67) 3+ ¥659.92 (¥725.91) 5+ ¥630.14 (¥693.15) 10+ ¥600.36 (¥660.40) 20+ ¥528.26 (¥581.09) 50+ ¥456.15 (¥501.77) 250+ ¥391.88 (¥431.07) 500+ ¥380.08 (¥418.09) More Pricing...

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- - TDK B66387 Series Transformer Cores - - - - B66388 Series
5943011101
5943011101 - Transformer Cores, Toroid, 73.65mm x 38.85mm x 12.7mm, 43, 167 mm, 21.5 mm²

4154582

Transformer Cores, Toroid, 73.65mm x 38.85mm x 12.7mm, 43, 167 mm, 21.5 mm²

FAIR-RITE

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1+ ¥2,454.71 (¥2,700.18) 3+ ¥2,299.53 (¥2,529.48) 5+ ¥2,144.35 (¥2,358.79) 10+ ¥1,989.16 (¥2,188.08) 20+ ¥1,815.17 (¥1,996.69) 50+ ¥1,641.18 (¥1,805.30) 250+ ¥1,608.36 (¥1,769.20) 500+ ¥1,575.54 (¥1,733.09) More Pricing...

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Toroid 73.65mm x 38.85mm x 12.7mm - 43 167mm 21.5mm² 1.1µH -
B66329G1000X127
B66329G1000X127 - Transformer Cores, E, E42/21/20, TDK B66243 Series Coil Former, N27, 97 mm, 234 mm²

4154026

Transformer Cores, E, E42/21/20, TDK B66243 Series Coil Former, N27, 97 mm, 234 mm²

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1+ ¥426.36 (¥469.00) 10+ ¥369.93 (¥406.92) 50+ ¥280.59 (¥308.65) 100+ ¥275.65 (¥303.22) 200+ ¥270.70 (¥297.77) 360+ ¥265.76 (¥292.34) 1800+ ¥260.81 (¥286.89) 3600+ ¥255.86 (¥281.45) More Pricing...

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E E42/21/20 TDK B66243 Series Coil Former N27 97mm 234mm² 354nH B66329 Series
B65651D0160A048
B65651D0160A048 - Transformer Cores, PM, P18/11, TDK B65652 Series Coil Former, N48, 25.9 mm, 43 mm²

4153957

Transformer Cores, PM, P18/11, TDK B65652 Series Coil Former, N48, 25.9 mm, 43 mm²

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1+ ¥671.52 (¥738.67) 10+ ¥458.50 (¥504.35) 50+ ¥438.81 (¥482.69) 100+ ¥419.12 (¥461.03) 200+ ¥399.44 (¥439.38) 500+ ¥379.75 (¥417.73) 2500+ ¥376.38 (¥414.02) More Pricing...

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PM P18/11 TDK B65652 Series Coil Former N48 25.9mm 43mm² 160nH B65651 Series
60CB
60CB - 40- 50- 60AMPS CARBON BRUSH

4565974

 
New product
RoHS

40- 50- 60AMPS CARBON BRUSH

MULTICOMP PRO

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1+ ¥484.16 (¥532.58) 5+ ¥436.82 (¥480.50) 10+ ¥395.15 (¥434.67)

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B65843A0000R030
B65843A0000R030 - Transformer Cores, EP, EP13, High Inductance Transformers, N30, 24.2 mm, 19.5 mm²

4153987

Transformer Cores, EP, EP13, High Inductance Transformers, N30, 24.2 mm, 19.5 mm²

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5+ ¥247.67 (¥272.44) 50+ ¥112.86 (¥124.15) 250+ ¥111.27 (¥122.40) 500+ ¥109.68 (¥120.65) 1000+ ¥108.08 (¥118.89) 2000+ ¥106.49 (¥117.14) 10000+ ¥104.90 (¥115.39) 20000+ ¥103.30 (¥113.63) More Pricing...

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EP EP13 High Inductance Transformers N30 24.2mm 19.5mm² 2.8µH B65843A Series
B66281K0000X149
B66281K0000X149 - Transformer Cores, Planar I, I14/1.5/5, Transformers, N49, 16.7 mm, 14.5 mm²

4154001

Transformer Cores, Planar I, I14/1.5/5, Transformers, N49, 16.7 mm, 14.5 mm²

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5+ ¥269.46 (¥296.41) 50+ ¥140.80 (¥154.88) 250+ ¥136.76 (¥150.44) 500+ ¥132.71 (¥145.98) 1000+ ¥128.87 (¥141.76)

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Planar I I14/1.5/5 Transformers N49 16.7mm 14.5mm² 850nH B66281 Series
5967001901
5967001901 - Transformer Cores, Toroid, 12.7mm x 7.9mm x 12.7mm

4141752

Transformer Cores, Toroid, 12.7mm x 7.9mm x 12.7mm

FAIR-RITE

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1+ ¥145.31 (¥159.84) 3+ ¥138.08 (¥151.89) 5+ ¥130.83 (¥143.91) 10+ ¥123.59 (¥135.95) 20+ ¥106.66 (¥117.33) 50+ ¥89.73 (¥98.70) 250+ ¥86.34 (¥94.97) More Pricing...

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Toroid 12.7mm x 7.9mm x 12.7mm Power Input Filters, Ground-Fault Interrupters, Common-Mode filters , Pulse & Broadband Transformers 67 31.2mm 29.9mm² 48nH -
748421245
748421245 - Chip Balun, 50ohm, 100ohm, 1 dB, 180° ± 10°, 0805, 2.4 GHz, 2.5 GHz

4132351

Chip Balun, 50ohm, 100ohm, 1 dB, 180° ± 10°, 0805, 2.4 GHz, 2.5 GHz

WURTH ELEKTRONIK

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Cut Tape

10+ ¥159.89 (¥175.88) 100+ ¥159.56 (¥175.52) 500+ ¥159.23 (¥175.15) 1000+ ¥158.90 (¥174.79) 2000+ ¥158.57 (¥174.43) 4000+ ¥158.24 (¥174.06) 20000+ ¥157.91 (¥173.70) 40000+ ¥157.58 (¥173.34) More Pricing...

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- - - - - - - WE-BAL Series
B65812N1008D002
B65812N1008D002 - Coilformer, RM8 Transformer Ferrite Core, 28.4 mm2 Winding Cross Section, 8 Pins

4016070

Coilformer, RM8 Transformer Ferrite Core, 28.4 mm2 Winding Cross Section, 8 Pins

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1+ ¥274.32 (¥301.75) 10+ ¥236.70 (¥260.37) 50+ ¥170.86 (¥187.95) 100+ ¥151.58 (¥166.74) 200+ ¥141.86 (¥156.05) 400+ ¥140.77 (¥154.85) More Pricing...

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- - TDK RM8 Ferrite Core - - - - B65812 Series
B64290L0719X087
B64290L0719X087 - Transformer Core, 1.66µH, 54.2mm, N87, Toroid, 22.1mm x 13.7mm x 7.9mm

4153937

Transformer Core, 1.66µH, 54.2mm, N87, Toroid, 22.1mm x 13.7mm x 7.9mm

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5+ ¥235.81 (¥259.39) 50+ ¥206.33 (¥226.96) 250+ ¥170.96 (¥188.06) 500+ ¥153.28 (¥168.61) 1500+ ¥141.49 (¥155.64) 3000+ ¥132.06 (¥145.27) 15000+ ¥124.98 (¥137.48) 30000+ ¥120.26 (¥132.29) More Pricing...

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Toroid 22.1mm x 13.7mm x 7.9mm Transformers N87 54.2mm 32.6mm² 1.66µH B64290L0719 Series
B66229G0500X187
B66229G0500X187 - Transformer Cores, EF, E32/16/9, Transformers, N87, 74 mm, 83 mm²

4167343

Transformer Cores, EF, E32/16/9, Transformers, N87, 74 mm, 83 mm²

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1+ ¥227.29 (¥250.02) 50+ ¥140.92 (¥155.01) 100+ ¥125.25 (¥137.78) 250+ ¥123.19 (¥135.51) 500+ ¥121.13 (¥133.24) 960+ ¥119.07 (¥130.98) 4800+ ¥117.01 (¥128.71) 9600+ ¥116.39 (¥128.03) More Pricing...

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EF E32/16/9 Transformers N87 74mm 83mm² 244nH B66229 Series
B64290L0651X038
B64290L0651X038 - Transformer Core, 12µH, 54.15mm, T38, Toroid, 22.1mm x 13.7mm x 12.5mm

4153930

Transformer Core, 12µH, 54.15mm, T38, Toroid, 22.1mm x 13.7mm x 12.5mm

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1+ ¥362.10 (¥398.31) 50+ ¥340.89 (¥374.98) 100+ ¥319.67 (¥351.64) 250+ ¥298.46 (¥328.31) 500+ ¥277.24 (¥304.96) 1500+ ¥256.03 (¥281.63) 7500+ ¥234.81 (¥258.29) 15000+ ¥213.59 (¥234.95) More Pricing...

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Toroid 22.1mm x 13.7mm x 12.5mm Transformers T38 54.15mm 51.15mm² 12µH B64290L0651 Series
B65807J0000R608
B65807J0000R608 - Transformer Cores, RM, RM6, Transformers, PC200, 28.6 mm, 36.6 mm²

4153976

Transformer Cores, RM, RM6, Transformers, PC200, 28.6 mm, 36.6 mm²

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5+ ¥513.51 (¥564.86) 50+ ¥279.52 (¥307.47)

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RM RM6 Transformers PC200 28.6mm 36.6mm² 1.1µH B65807 Series
B65840B1006D002
B65840B1006D002 - Coilformer, EP7 Transformer Ferrite Core, 4.2 mm2 Winding Cross Section, 6 Terminals

4153985

Coilformer, EP7 Transformer Ferrite Core, 4.2 mm2 Winding Cross Section, 6 Terminals

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5+ ¥200.64 (¥220.70) 50+ ¥128.90 (¥141.79)

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- - TDK B65839 Series Transformer Cores - - - - B65840 Series
B66367G0000X127
B66367G0000X127 - Transformer Cores, ETD, ETD49/25/16, SMPS Transformers, N27, 114 mm, 211 mm²

4154031

Transformer Cores, ETD, ETD49/25/16, SMPS Transformers, N27, 114 mm, 211 mm²

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1+ ¥713.03 (¥784.33) 10+ ¥485.02 (¥533.52) 25+ ¥411.20 (¥452.32) 50+ ¥401.45 (¥441.60) 100+ ¥391.70 (¥430.87) 240+ ¥381.94 (¥420.13) 1200+ ¥372.19 (¥409.41) 2400+ ¥362.43 (¥398.67) More Pricing...

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ETD ETD49/25/16 SMPS Transformers N27 114mm 211mm² 3.7µH B66367 Series
BALFHB-WL-02D3
BALFHB-WL-02D3 - Chip Balun, 50ohm, 0.65 dB, CSP, 862 MHz, 928 MHz

4168644

Chip Balun, 50ohm, 0.65 dB, CSP, 862 MHz, 928 MHz

STMICROELECTRONICS

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Cut Tape

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2631800302
2631800302 - Toroidal Suppression Cores, 12.7mm x 7.13mm x 4.78mm

4335974

Toroidal Suppression Cores, 12.7mm x 7.13mm x 4.78mm

FAIR-RITE

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1+ ¥226.31 (¥248.94) 10+ ¥156.56 (¥172.22) 25+ ¥134.12 (¥147.53) 50+ ¥123.58 (¥135.94) 100+ ¥109.05 (¥119.96) 263+ ¥104.15 (¥114.57) 1315+ ¥99.25 (¥109.18) 2630+ ¥94.34 (¥103.77) More Pricing...

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Toroid 12.7mm x 7.13mm x 4.78mm AC/DC Rectifiers, Ballasts, Digital Data Signals, Power Inverters, SMPS, Variable Frequency Drives 31 29.5mm 12.9mm² - 31 MATERIAL Series
2652800202
2652800202 - Toroidal Suppression Cores, 9.5mm x 4.75mm x 3.3mm

4335984

Toroidal Suppression Cores, 9.5mm x 4.75mm x 3.3mm

FAIR-RITE

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1+ ¥153.46 (¥168.81) 5+ ¥130.06 (¥143.07) 10+ ¥106.65 (¥117.32) 25+ ¥91.64 (¥100.80) 50+ ¥81.38 (¥89.52) 200+ ¥63.22 (¥69.54) 1000+ ¥61.58 (¥67.74) 2000+ ¥60.93 (¥67.02) More Pricing...

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Toroid 9.5mm x 4.75mm x 3.3mm AC/DC Rectifiers, Ballasts, Digital Data Signals, Power Inverters, SMPS, Variable Frequency Drives 52 20.7mm 7.3mm² - 52 MATERIAL Series

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