Coil Formers

Coil formers are components found in a transformer(an electrical device that transfers energy between two or more circuits). They're commonly used in electrical printed circuit boards(PCBs) to produce the energy needed to power electrical machines such as motors and generators.

Coil former applications

Coil formers are commonly used in transformers or as reactors in switch-mode power supplies. Transformers are used to bring voltage up or down in an AC electrical circuit. Both transformers and switch-mode power supplies can be used to convert mains AC power to DC power.

There are transformers all over every house. They are inside the chargers used to charge your mobile phone and other personal computing devices. They're also found in loudspeakers and microphones.

Advantages of using coil formers

  • Coil formers come in different types depending on whether you need to mount them horizontally or vertically.
  • Coil formers are usually made with an insulating material, such as thermosetting plastic, and are resistant to soldering and soldering heat.

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Description Price Accessory Type For Use With Dimensions Number of Pins Material Depth Length Width Maximum Temperature
RS庫存編號 647-9193
製造零件編號B65812C1512T001
BrandEPCOS
HK$12.514
/個 (每包:5個)
單位
RM 8 Coil Former B65811 23.5 x 23.5 x 16.2mm 12 GFR Polyterephthalate 16.2mm 23.5mm 23.5mm +155°C
RS庫存編號 840-7336
製造零件編號FS-2EFD-3009-30
BrandBlock
HK$56.96
單位
Bobbin Choke Converter Topologies, Transmitter - - - - - - -
RS庫存編號 162-0190
製造零件編號B65812C1512T001
BrandEPCOS
HK$6.922
個 (以毎盒:200)
單位
RM 8 Coil Former B65811 23.5 x 23.5 x 16.2mm 12 GFR Polyterephthalate 16.2mm 23.5mm 23.5mm +155°C
RS庫存編號 170-7490
製造零件編號FS-2EFD-3009-30
BrandBlock
HK$40.12
個 (以毎袋:5)
單位
Bobbin Choke Converter Topologies, Transmitter - - - - - - -
RS庫存編號 174-1588
製造零件編號EFD15/8/5-3F3
BrandFERROXCUBE
HK$10.80
單位
EFD Core Ferrites 15 x4.65 x 7.5mm 8 GFR Phenolformaldehyde 7.5mm 15mm 4.65mm +180°C
RS庫存編號 212-6722
製造零件編號B65816C1512T001
BrandEPCOS
HK$15.336
/個 (每包:5個)
單位
RM 12 Coil Former B65815 38.4 x 28.4 x 23.4mm 12 GFR Polyterephthalate 23.4mm 38.4mm 28.4mm +155°C
RS庫存編號 125-3415
製造零件編號B65844W1010D001
BrandEPCOS
HK$7.87
/個 (每包:10個)
單位
Horizontal Coil Former EP/EPO 13 Core - 10 GFR Thermosetting Plastic - 15.9mm 14.8mm +180°C
RS庫存編號 840-7301
製造零件編號FS-2E-7064-20
BrandBlock
HK$207.98
單位
E 70 FS-1E-7064-00 - - Ryton R-4 - - - -
RS庫存編號 212-9614
製造零件編號B66242J1000R001
BrandEPCOS
HK$41.51
單位
E 42 B66325, B66329 29.2 x 35 x 37.5mm 8 - 37.5mm 29.2mm 35mm -
RS庫存編號 170-1563
製造零件編號B66364B1016T001
BrandEPCOS
HK$9.329
個 (在毎卷:100)
單位
Horizontal Coil Former ETD 39/20/13 Core - 16 GFR Polyterephthalate - 44.6mm 46.8mm +155°C
RS庫存編號 170-1533
製造零件編號B66308B1108T001
BrandEPCOS
HK$5.50
個 (在毎卷:1000)
單位
Horizontal Coil Former E 16/8/5 Core - 8 GFR Polyterephthalate - 17.8mm 20mm +155°C
RS庫存編號 170-1393
製造零件編號B65527B1008T001
BrandEPCOS
HK$4.71
個 (在毎卷:1000)
單位
SMD Coil Former ER 9.5/5 Core - 8 GFR Liquid Crystal Polymer - 7.6mm 8.2mm +155°C
RS庫存編號 125-3345
製造零件編號B65612B0000T001
BrandEPCOS
HK$7.80
/個 (每包:20個)
單位
Vertical Coil Former P 36 x 22 Core - - GFR Polyterephthalate - - 11.5 (Dia.)mm +155°C
RS庫存編號 170-1444
製造零件編號B65814N1012D001
BrandEPCOS
HK$7.676
個 (在毎卷:200)
單位
Vertical Coil Former RM 10 Core - 12 GFR Thermosetting Plastic - - 21 (Dia.)mm +180°C
RS庫存編號 212-9620
製造零件編號B66243B1018T001
BrandEPCOS
HK$27.16
單位
E 42/21/20 Coil Former B66329 - 18 GFR Polyterephthalate 50.9mm - 37.2mm +155°C
RS庫存編號 647-9597
製造零件編號B66422W1010D001
BrandEPCOS
HK$11.72
/個 (每包:5個)
單位
EFD 25/13/9 Coil Former B66421 25 x 26 x 12.9mm 10 GFR Thermosetting Plastic 12.9mm 25mm 26mm +180°C
RS庫存編號 167-8169
製造零件編號B66243B1018T001
BrandEPCOS
HK$17.847
個 (以毎盒:60)
單位
E 42/21/20 Coil Former B66329 35 x 50.9 x 28.2mm 18 GFR Polyterephthalate 50.9mm 40mm 37.2mm +155°C
RS庫存編號 125-3330
製造零件編號B65522B0000T001
BrandEPCOS
HK$2.76
/個 (每包:50個)
單位
Vertical Coil Former P 9 x 5 Core - - GFR Polyterephthalate - - 7.4 (Dia.)mm +155°C
RS庫存編號 125-3611
製造零件編號B66206B1110T001
BrandEPCOS
HK$11.55
/個 (每包:10個)
單位
Horizontal Coil Former E 20/10/6 Core - 10 GFR Polyterephthalate - 22mm 21.2mm +155°C
RS庫存編號 125-3596
製造零件編號B65880E2012D001
BrandEPCOS
HK$12.742
/個 (每包:5個)
單位
Vertical Coil Former PQ 32 x 30 Core - 12 GFR Thermosetting Plastic - 33mm 34.4mm +180°C