Comparison of advantages and disadvantages of more than 30 kinds of magnetic cores! EE, EEL, EF power cores Features: Large lead space, convenient winding and wiring. Wide application range, high working frequency, wide working voltage range, large output power, and good thermal stability. Uses: Widely used in the fields of program-controlled switchboard power supply, LCD power supply, high-power UPS inverter power supply, computer power supply, energy-saving lamps, etc. EI type power core Features: compact structure, small size, high operating frequency, wide operating voltage range, tight air gap coupling at the top of the coil, and low loss. Loss is negatively related to temperature, which can prevent the temperature from rising continuously. Uses: power conversion transformers and chokes, DVD power supplies, camera flashes, communication equipment and other electronic equipment. PEE, PEI power core ER power core Features: The coupling position is good, the center column is circular, which is convenient for winding and the winding area is enlarged, and the transformer with high power and small leakage inductance can be designed. Uses: switching power supply transformers, pulse transformers, electronic ballasts, etc. ETD power core Features: The center column is circular, the winding wiring is convenient and the winding area is enlarged, and the transformer with high power and small leakage inductance can be designed. Other aspects such as assembly cost, safety cost, electromagnetic shielding, difficulty in standardization, etc. are excellent. Uses: switching power supply, transmission transformer, electronic ballast. It is widely used in household appliances, communications, lighting, medical equipment, office automation, military products, OA equipment, electronic instruments, aerospace and other fields. EQ/EQI type power core EP type power core Features: It has the advantages of good magnetic shielding effect, small distributed capacitance, low transmission loss, high inductance, small leakage inductance, uniform magnetic field distribution, etc., and the skeleton is equipped with multiple Connectors, which makes it easy to design multiple output transformers. Uses: Broadband transformers, inductors, isolation transformers, matching transformers, widely used in program-controlled switch terminals and precision electronic equipment and other fields. EFD type power core Features: It has the advantages of low thermal resistance, low attenuation, high power, and wide working frequency. The finished product is light in weight, reasonable in structure, and easy to surface mount. Uses: Widely used in small and high-power transformers, such as precision instruments, modular power supplies, computer terminal output, etc. EPC power core Features: It has the advantages of low thermal resistance, low attenuation, high power, wide operating frequency, light weight, reasonable structure, easy surface mounting, and good shielding effect, but the heat dissipation performance is slightly worse. Uses: Widely used in transformers with small size, high power, shielding and electromagnetic compatibility requirements, such as precision instruments, program-controlled switch module power supplies, navigation equipment, etc. POT power core Features: small size, high inductance, convenient winding, balanced magnetic shielding and heat dissipation. Uses: carrier filter, high-sensitivity sensor, high-efficiency sensor, power conversion transformer, etc. PQ power core Features: low loss, low temperature rise, good anti-interference performance, reasonable shape, large power range (50W-1000W), can effectively reduce the installation volume, equipped with multiple pins, and convenient winding and wiring. The assembly cost is low and it is easy to meet the safety requirements, but it is difficult to standardize. Uses: main power transformer, drive transformer, smoothing choke, auxiliary power transformer. Mainly used in network, communication, power supply, electrical equipment, medical and other fields. RM type power core Features: Good magnetic shielding effect, strong anti-interference ability, small magnetic leakage, low distributed capacitance, the frame is equipped with multiple pins, multiple output transformers can be designed, and high-density installation is possible. But the heat dissipation is poor, and the safety cost is higher. Uses: auxiliary power transformer, drive transformer, broadband transformer, carrier filter, high stability filter. Mainly used in the fields of carrier communication, network, digital, television, electronic equipment, etc. PM power core Features: small magnetic leakage, low loss, high power, small distributed capacitance. Purpose: Main transformer, drive transformer. Mainly used in ultrasonic cleaning, laser equipment and other fields. LM type power core LP, LPI power core SEP, EPI type power core U-shaped power core High conductivity type U-shaped high permeability magnetic core Features: It has the characteristics of small impedance deviation, large output current, high inductance, and can suppress high-order harmonics. Purpose: filter common mode transformer. Widely used in color TVs, computers, monitors and other electronic equipment. ET, FT type high permeability magnetic core Features: small stray capacitance, low ripple coefficient, low magnetic leakage, and high inductance. Uses: color TVs, monitors, computers, video phones, intercoms, etc. EE, EEL, EF type high permeability magnetic core Features: Large lead space, convenient winding and wiring. Wide application range, high working frequency, wide working voltage range, and good thermal stability. Uses: Widely used in power supply filters, EMI filters, small pulse transformers and other fields. EI type high permeability magnetic core Features: reasonable structure, simple manufacturing process, large window, good heat dissipation conditions, and small magnetic leakage. Uses: audio transformers, power filters, EMI filters, small pulse transformers and other fields. EP type high permeability magnetic core Features: It has the advantages of good magnetic shielding effect, small distributed capacitance, low transmission loss, high inductance, small leakage inductance, uniform magnetic field distribution, etc., and the skeleton is equipped with multiple connectors, which makes it easy to design multiple output transformers. Uses: Broadband transformers, inductors, isolation transformers, matching transformers, widely used in program-controlled switch terminals and precision electronic equipment and other fields. RM type high permeability magnetic core Features: Good magnetic shielding effect, strong anti-interference ability, high inductance coefficient, low magnetic leakage, the frame is equipped with multiple pins, multiple output transformers can be designed, and high-density installation is possible. But the heat dissipation is poor, and the safety cost is higher. Purpose: Mainly used in carrier communication, network, digital, computer and other fields. T-type high permeability magnetic core Features: large output current, low loss, withstand voltage, high inductance, and low price. However, the winding cost is high and it is difficult to mass produce. Uses: choke coil, EMI/RFI filter, audio transformer, widely used in various energy-saving lamps, audio, control circuits and other electronic equipment. Molded Waterproofing Cable Assemblies We specialize in waterproofing products overmolding. We can custom build, custom mold, and over-mold your cable designs.
We specialize in molded cable manufacturing for the widest diversity of
cable and connector types, across the whole spectrum of industries. Rich expeirence in developing and proposing solution Special for IP67, IP68 waterproofing products. Molded waterproofing cable assemblies, waterproof wire harness, waterproofing cables overmolding ETOP WIREHARNESS LIMITED , https://www.oemmoldedcables.com
