UL EFD20 Audio Pcb Power Transformer For Converter

EFD20 EFD25 EFD30 Type PCB Power High Frequency Audio Transformer SMD For AC To DC Converter

Features:

• Has a strong anti-interference, distributed capacitance, impedance, attenuation of low transmission, firm structure,can fine-tune the inductance, etc., are widely used in fax machines, PBX.
• Operating frequency: higher than 200kHz
• High magnetic flux and low loss magnetic materials
• With low leakage inductance and high efficiency
• UL insulation system for Class B (130), F (155), H (180)

Applications:

• SMPS: Half Bridge and Full Bridge structure,can fine-tune the inductance, etc., are widely used in fax Machines, PBX.
• High-temperature resistantHigh frequency transformer -Suitable for AC/DC inverter or DC/AC converter. Customized designs are welcome.
• Has a strong anti-interference, distributed capacitance, impedance, attenuation of low transmission, firm
• Switching power supplies, chargers, alarm system, TV/CRT monitor displays, UPS, VCD/DVD players, audio/visual equipment, OA machines and inverter Typical products .
• Used in high-density installation with good shielding quality also used in wave carrier filter, power transformer and Aux-power transformer

Notes:

• Inductance measure at Pin 1-2,100KHz 0.1V
• DCR measure at individual winding
• Leakage measure at pin 1-12 with all other windings shorted
• Insulation Resistance: 500 VDC,1KM Ohm min.
• Soldering temperature:260℃ for 4±1 seconds
• Operating temperature:0℃ to 70℃
• Storage Temperature:-25℃ to 85℃
• Different package available per special request

ABOUT US:

Shinhom Enterprise was founded in Xi'an China with nearly 20 years of experiencing of designing & manufacturing transformers & Coils components.
High quality, low cost and best service are what we pursuit most!
Meanwhile, the certification of ISO 9001 by SGS system was also earned.
Shinhom is to remain a specialist in designing and manufacturing high-performance transformers,power inductors, choke coils power supplies for purchasers around the world.

   Shaanxi SHINHOM Enterprise Co.,Ltd is one large-sized key enterprise in producing magnetic components and supplying OEM`high quality magnetics components in China ,It has been approved for the certification ISO9001&QS9000.Shinhom has grown rapidly by supplying high quality magnetic components on-time, offering competitive pricing, and providing strong customer service, It`s products can be widely used in personal computer, computer peripherals, automotive electronics, consumer electronics, elecommunication equipment ,test equipment, GPS equipment, medical appliances and cellular Phone to name just a few . It has annual capacity reaches 300 Million Pieces and has more than 37 year of experience in producing inductors & transformers,Current transformers, filters.

    Since its inception in 1998, SHINHOM has become a major supplier of inductors & transformers and Product Solutions for its professional R&D Department, accurate market positioning and high quality products.