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A flyback transformer (FBT), also called a line output transformer (LOPT), is a special transformer, which is used for conversion of energy (current and voltage) in electronic circuits. It was initially designed to generate high current sawtooth signals at a relatively high frequency. In modern applications is used extensively in switched-mode power supplies for both low (3V) and high voltage (over 10 kV) supplies.

It was invented as a means to control the horizontal movement of the electron beam in a cathode ray tube (CRT). Unlike conventional transformers, a flyback transformer is not fed with a signal of the same waveshape as the intended output current. A convenient side effect of such a transformer is the considerable energy that is available in its magnetic circuit. This can be exploited using extra windings that can be used to provide power to operate other parts of the equipment. In particular, very high voltages are easily obtained using relatively few turns of winding which, once rectified, can provide the very high accelerating voltage for a CRT. Many more recent applications of such a transformer dispense with the need to produce high currents and just use the device as a relatively efficient means of producing a wide range of lower voltages using a transformer much smaller than a conventional mains transformer would be.

The flyback transformer is used in the operation of CRT-display devices such as television sets and CRT computer monitors. The voltage and frequency can each range over a wide scale depending on the device. For example, a large color TV CRT may require 20 to 50 kV with a horizontal scan rate of 15.734 kHz for NTSC devices. Unlike a power (or 'mains') transformer which uses an alternating current of 50 or 60 Hertz, a flyback transformer typically operates with switched currents at much higher frequencies in the range of 15 kHz to 50 kHz.

Wikipedia

 АНАЛОГ ФИРМЫ DIEMEN
ОРИГИНАЛЬНОЕНАЗВАНИЕ ПРОИЗВОДИТЕЛЬ АНАЛОГ ФИРМЫ DIEMEN

B92945-S8154-M473 OTTO-VERSAND HRT 906
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B92945-S8154-M573 BLAUPUNKT HRT 902
B92945-S8154-M573 GRUNDIG HRT 902
B92945-S8154-M573 MINERVA HRT 902
B92945-S8154-M573 SIEMENS HRT 902
B92945-S8154-M603 BLAUPUNKT HRT 904
B92945-S8154-M603 GRUNDIG HRT 904
B92945-S8154-M603 METZ HRT 904
B92945-S8154-M603 MINERVA HRT 904
B92945-S8154-M603 OTTO-VERSAND HRT 904
B92945-S8154-M603 QUELLE HRT 904
B92945-S8154-M603 SIEMENS HRT 904
B92945-S8154-M703 BAUR HRT 910
B92945-S8154-M703 BLAUPUNKT HRT 910
B92945-S8154-M703 GRUNDIG HRT 910
B92945-S8154-M703 SIEMENS HRT 910
B92945-S8254-M472 GRUNDIG HRT 913
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B92988-B3000-M350 SIEMENS HRT 231 BP
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BG1895-641 AUTOVOX HRT 507
BG1895-641 BARCO HRT 507
BG1895-641 BELL HOWELL HRT 507
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BG1895-641 BRUNS HRT 507
BG1895-641 BUSH-MURPHY-RANK HRT 507
BG1895-641 CLARIVOX HRT 507
BG1895-641 CONTINENTAL EDISON HRT 507
BG1895-641 ECKO-ECKOVISION HRT 507
BG1895-641 ERO HRT 507
BG1895-641 FORMENTI - ADMIRAL HRT 507
BG1895-641 GEC HRT 507
BG1895-641 GRUNDIG HRT 507
BG1895-641 HIT HRT 507
BG1895-641 HITACHI HRT 507
BG1895-641 HORNYPHON HRT 507
BG1895-641 INDESIT HRT 507
BG1895-641 INGELEN HRT 507
BG1895-641 INNO-HIT HRT 507
BG1895-641 INTERFUNK HRT 507
BG1895-641 JKG JULIUS-KARL-GORLER HRT 507
BG1895-641 KAPSCH HRT 507
BG1895-641 KORTING HRT 507
BG1895-641 LOEWE / LOEWE-OPTA HRT 507
BG1895-641 LUMA ELEKTRONIK HRT 507
BG1895-641 LUXOR HRT 507
BG1895-641 METZ HRT 507
BG1895-641 MINERVA HRT 507
BG1895-641 NAONIS HRT 507
BG1895-641 NECKERMANN HRT 507
BG1895-641 NOKIA - ITT HRT 507
BG1895-641 NORDMENDE HRT 507
BG1895-641 OCEANIC HRT 507
BG1895-641 OTTO-VERSAND HRT 507
BG1895-641 PATHE MARCONI HRT 507
BG1895-641 PHILIPS HRT 507
BG1895-641 PHONOLA HRT 507
BG1895-641 PYE HRT 507
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