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.