AT-xxx Series TH Audio Dry Coupling Transformer 

High Frequency Power Transformer

Power transformer with a MnZn Ferrite Core for Power SMPS Application (Flyback Transformer). / Low Cost, 1000VAC PriSec, EI-14 ~ EI-24, NO-DC Audio Dry Coupling Transfoırmer, Phone Line, Alarm System etc…



Part Number AT-xxx Series TH Audio Dry Coupling Transformer
Description Low Cost, 1000VAC PriSec, EI-14 ~ EI-24, NO-DC Audio Dry Coupling Transfoırmer, Phone Line, Alarm System etc…
RoHS RoHS Compliant
PDF Datasheet  





Part Lists

Part NumberDescriptionStandard Lead Time
AT-201 Economy Audio Dry (NO-DC) Coupling Transformer, Impedance Pri.: 500CT / Sec: 8CT, DC-Resistance Pri:35ohm / Sec: 0.8ohm, EI14, PIR SEC CORE 1000VAC 6 Weeks
AT-130 Economy Audio Dry (NO-DC) Coupling Transformer, Impedance Pri.: 600CT / Sec: 600CT, DC-Resistance Pri:45ohm / Sec: 40ohm, EI14, PIR SEC CORE 1000VAC 6 Weeks
AT-202 Economy Audio Dry (NO-DC) Coupling Transformer, Impedance Pri.: 1K CT / Sec: 8 CT, DC-Resistance Pri:60ohm / Sec: 0.8ohm, EI14, PIR SEC CORE 1000VAC 6 Weeks
AT-203 Economy Audio Dry (NO-DC) Coupling Transformer, Impedance Pri.: 10K CT / Sec: 600 CT, DC-Resistance Pri:60ohm / Sec: 0.8ohm, EI14, PIR SEC CORE 1000VAC 6 Weeks
AT-204 Economy Audio Dry (NO-DC) Coupling Transformer, Impedance Pri.: 10K CT / Sec: 2K CT, DC-Resistance Pri:500ohm / Sec: 200ohm, EI14, PIR SEC CORE 1000VAC 6 Weeks
AT-301 Economy Audio Dry (NO-DC) Coupling Transformer, Impedance Pri.: 500 CT / Sec: 8 CT, DC-Resistance Pri:22ohm / Sec: 0.8 ohm, EI16, PIR SEC CORE 1000VAC 6 Weeks
AT-302 Economy Audio Dry (NO-DC) Coupling Transformer, Impedance Pri.: 500 CT / Sec: 500 CT, DC-Resistance Pri: 30ohm / Sec: 28 ohm, EI16, PIR SEC CORE 1000VAC 6 Weeks
AT-303 Economy Audio Dry (NO-DC) Coupling Transformer, Impedance Pri.: 1.2K CT / Sec: 8 CT, DC-Resistance Pri: 80ohm / Sec: 0.8 ohm, EI16, PIR SEC CORE 1000VAC 6 Weeks
AT-304 Economy Audio Dry (NO-DC) Coupling Transformer, Impedance Pri.: 48 CT / Sec: 8 CT, DC-Resistance Pri: 2.5ohm / Sec: 0.5 ohm, EI16, PIR SEC CORE 1000VAC 6 Weeks
AT-305 Economy Audio Dry (NO-DC) Coupling Transformer, Impedance Pri.: 200 CT / Sec: 8 CT, DC-Resistance Pri: 12ohm / Sec: 0.8 ohm, EI16, PIR SEC CORE 1000VAC 6 Weeks
AT-400 Economy Audio Dry (NO-DC) Coupling Transformer, Impedance Pri.: 200 CT / Sec: 8 CT, DC-Resistance Pri: 12ohm / Sec: 0.8 ohm, EI19, PIR SEC CORE 1000VAC 6 Weeks
AT-401 Economy Audio Dry (NO-DC) Coupling Transformer, Impedance Pri.: 500 CT / Sec: 8 CT, DC-Resistance Pri: 26ohm / Sec: 0.8 ohm, EI19, PIR SEC CORE 1000VAC 6 Weeks
AT-129 Economy Audio Dry (NO-DC) Coupling Transformer, Impedance Pri.: 600 CT / Sec: 600 CT, DC-Resistance Pri: 65ohm / Sec: 55ohm, EI19, PIR SEC CORE 1000VAC 6 Weeks
AT-402 Economy Audio Dry (NO-DC) Coupling Transformer, Impedance Pri.: 800 CT / Sec: 8 CT, DC-Resistance Pri: 40ohm / Sec: 0.8ohm, EI19, PIR SEC CORE 1000VAC 6 Weeks
AT-403 Economy Audio Dry (NO-DC) Coupling Transformer, Impedance Pri.: 1.2K CT / Sec: 8 CT, DC-Resistance Pri: 80ohm / Sec: 0.8ohm, EI19, PIR SEC CORE 1000VAC 6 Weeks
AT-404 Economy Audio Dry (NO-DC) Coupling Transformer, Impedance Pri.: 1.5K CT / Sec: 500 CT, DC-Resistance Pri: 120ohm / Sec: 50ohm, EI19, PIR SEC CORE 1000VAC 6 Weeks
AT-405 Economy Audio Dry (NO-DC) Coupling Transformer, Impedance Pri.: 10K CT / Sec: 600 CT, DC-Resistance Pri: 600ohm / Sec: 100ohm, EI19, PIR SEC CORE 1000VAC 6 Weeks
AT-406 Economy Audio Dry (NO-DC) Coupling Transformer, Impedance Pri.: 10K CT / Sec: 2K CT, DC-Resistance Pri: 600ohm / Sec: 155ohm, EI19, PIR SEC CORE 1000VAC 6 Weeks
AT-500 Economy Audio Dry (NO-DC) Coupling Transformer, Impedance Pri.: 48 CT / Sec: 8 CT, DC-Resistance Pri: 2.5ohm / Sec: 0.5ohm, EI-24, PIR SEC CORE 1000VAC 6 Weeks
AT-501 Economy Audio Dry (NO-DC) Coupling Transformer, Impedance Pri.: 120 CT / Sec: 8 CT, DC-Resistance Pri: 7ohm / Sec: 0.7ohm, EI-24, PIR SEC CORE 1000VAC 6 Weeks
AT-502 Economy Audio Dry (NO-DC) Coupling Transformer, Impedance Pri.: 200 CT / Sec: 8 CT, DC-Resistance Pri: 12ohm / Sec: 0.5ohm, EI-24, PIR SEC CORE 1000VAC 6 Weeks
AT-503 Economy Audio Dry (NO-DC) Coupling Transformer, Impedance Pri.: 500 CT / Sec: 8 CT, DC-Resistance Pri: 18ohm / Sec: 0.7ohm, EI-24, PIR SEC CORE 1000VAC 6 Weeks
AT-504 Economy Audio Dry (NO-DC) Coupling Transformer, Impedance Pri.: 500 CT / Sec: 500 CT, DC-Resistance Pri: 35ohm / Sec: 28ohm, EI-24, PIR SEC CORE 1000VAC 6 Weeks
AT-505 Economy Audio Dry (NO-DC) Coupling Transformer, Impedance Pri.: 10K CT / Sec: 2K CT, DC-Resistance Pri: 600ohm / Sec: 155ohm, EI-24, PIR SEC CORE 1000VAC 6 Weeks
AT-506 Economy Audio Dry (NO-DC) Coupling Transformer, Impedance Pri.: 1.2K CT / Sec: 8 CT, DC-Resistance Pri: 75ohm / Sec: 0.8ohm, EI-24, PIR SEC CORE 1000VAC 6 Weeks
AT-507 Economy Audio Dry (NO-DC) Coupling Transformer, Impedance Pri.: 600 CT / Sec: 600 CT, DC-Resistance Pri: 65ohm / Sec: 55ohm, EI-24, PIR SEC CORE 1000VAC 6 Weeks





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