The SD1446 Is a perfect replacement for the MRF455 transistors. I have replaced all four of my MRF455 with the SD1446's with great results, and I am very happy with the performance.
Verified purchase: Yes | Condition: New
Works awesome on my 4 pill amp.
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nice high gain
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Works well thanks
Verified purchase: Yes | Condition: New
Great timing on product and it works nice in application repair
Verified purchase: Yes | Condition: New
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