Features: _x000D_ Selection of high quality material, work stable, practical convenience, and with long severing life. _x000D_ EMC, EMI, high voltage, stable performance. _x000D_ These isolation transformers are all high efficiency audio transformers. _x000D_ The primary and secondary windings are tightly coupled, there is sufficient pass frequency band, the original winding inductance is large, the leakage inductance is small, can reduce the influence of the hysteresis loss._x000D_ _x000D_ Can be used in radio communication, broadcast television, automatic control, as the component of voltage amplification, power output, etc. _x000D_ Often used to transform voltage or transform load impedance. _x000D_ _x000D_ _x000D_ Specifications: _x000D_ Voltage ratio: 1:1 _x000D_ AC Impedance: 600 ohms _x000D_ DC Impedance: 135 ohms_x000D_ _x000D_ Power supply phase: single phase _x000D_ Moisture-proof mode: open _x000D_ Cooling mode: oil immersed air cooled _x000D_ Frequency characteristics: intermediate frequency _x000D_ Windability : Double-wire winding _x000D_ Core form: amorphous alloy _x000D_ Core shape: EI type _x000D_ Appearance structure: vertical _x000D_ Weight: 40 g _x000D_ _x000D_ _x000D_ Package Included: _x000D_ 1 x 10pcs/pack Audio Transformers