Product Details
Product Description
Product Description
Understanding of transformer bobbin:
Bobbin (skeleton) plays the role of supporting coil (coil) in the transformer.
According to the different nature requirements of the transformer, it can be divided into thermoplastic materials and thermosetting materials.
Thermoplastic materials we commonly use are nylon, plastic and plastic. Thermosetting materials we commonly use are bakelite.
Characteristics and uses:
1. Bakelite (PM): thermosetting material with high stability, not easy to deform, temperature resistance of 150 ℃, high temperature of 370 ℃. The surface is smooth, fragile and can not be recycled. It is used for transformers with high temperature resistance.
2. Nylon: thermoplastic material, engineering plastic, with good ductility, not fragile, temperature resistance of 115 ℃, easy to absorb water, baked at 80 ℃ before use to make it stable. The surface is smooth, translucent and not fragile. It is generally used in transformers with strong oil resistance.
3. Plastic (PET): thermoplastic material, high hardness, easy to form, not easy to deform, temperature resistant to 170 ℃, non smooth surface, not fragile, generally used for bobbin.
4. Plastic (PBT): thermoplastic material, soft, not easy to deform, not resistant to high temperature (160 ℃), not smooth and not fragile, generally used for bobbin.
Material selection:
Conventional high-frequency transformer bobbin mainly uses bakelite powder materials as basic materials, such as t373j and t375j materials of Changchun company, pm9820, pm9630 and LCP materials of Sumitomo company. The material is brittle and fragile, and the fire rating is 94V-0. It can withstand high temperature (370 degrees), voltage resistance is about 10kV / mm, and the surface is smooth. It can be said that bakelite is the most used material in transformers, because it has high temperature resistance, no deformation, medium voltage resistance and is suitable for large and medium-sized power transformers.
Another kind of PET material is often used for bobbin support of high-frequency transformer wire rack. PET: chemical name polyethylene terephthalate, abbreviated as pet, is the most important variety of thermoplastic polyester, commonly known as polyester resin. Pet is easy to melt and form when heated. Its temperature resistance is around 130 degrees. It is not easy to deform after heating (thermal deformation temperature is 246 degrees). Its fire rating is 94V-0 and voltage resistance is 18kV / mm. It can be used as bobbin of high-frequency transformer and inductor shell. Its price is slightly higher than that of PBT.
Bobbin, a high-frequency transformer framework, can be selected and customized according to customers' specific use scenarios and requirements.
>>
MK5045 Photovoltaic Schottky Solar Bypass Diode used in PV Box with PV001 Package
>>
Double Nozzles Eight Scales Automatic High Speed Weighing Down Jacket Filling Machine
>>
High-Precision Computerized Hot Strip Cutting Machine for Ribbons
>>
2.4G Handheld Portable Auto Wireless 2D Barcode Scanner
>>
School Bus 8ch ahd camera video surveillance cctv dvr alarm system for Vehicle Security
>>
High-Precision CNC Drilling Machine for Door Lock Manufacturing
>>
Electric kettle, automatic power off students boiling hot water fast pot
>>
Marine Rubber Airbags for Ship Launching Salvaging Cargo Carrying
>>
Small Size ABS Blades Simple Style Bedroom Chandelier Ceiling Fan with Light
>>
OEM 11427537293 11427525335 car engine oil filter housing gasket cooler seal 55498263
>>
High Thickness Leather PVC Shoes Leather Non-Woven Fabric
>>
Schisandra Fruit, Dry Schisandra Fruit, Chinese Schisandra, Schisandra Berry Extract Schisandrins 1%-9%
>>
Um400b Tool Milling Machine Price
>>
6% Discount Lxshow Sheet Metal Roller Manufacture in Jinan with CE
>>
New Hot Selling Diesel Engine Assembly Qsz13-C550 Engineering Machinery Marine Diesel Engine Industrial Generator Set
>>
Cheap price stainless steel door,front metal modern exterior security steel doorsHot
>>
Wood Grinder/Timber Crusher/Wood Pallet Shredder/Root Shredder/Tree Branch Crusher
>>
Fiberglass Fishing Rod Blanks, High Strength Fishing Rod Blanks
>>
Industrial Wax Candle Making Machine
>>
UTS320 Automatic Self Adhesive Sticker Slitting and Rewinding Machine, medicine label cutter rewinder slitter
