Transistor Power Mosfet IRFI640LF. For Sony CRT TV. THESE TRANSISTORS ARE USED IN MANY SONY TRINITRON CRT TV SETs. Genuine Sony Semiconductors. Sony Part # 872902430. If you need ANY other Sony part. Our service facility besides Sony & Other Hi End Electronics specializes in the repair and maintenance of tektronix Analog & Digital Oscilloscopes.
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