The rf mosfet line nchannel enhancementmode designed for broadband commercial and industrial applications at frequencies to 54 mhz. For details about parts other than mrf455 click on the desired part number in the parts list at the bottom of this page. I am guessing that they are bad as everything else i tested is good. Rf power transistor npn silicon, mrf455 datasheet, mrf455 circuit, mrf455 data sheet. Mrf455 macom rf bipolar transistors 230mhz 60watts 12. Mrf455 datasheet, mrf455 pdf, mrf455 data sheet, mrf455 manual, mrf455 pdf, mrf455, datenblatt, electronics mrf455, alldatasheet, free, datasheet, datasheets, data. Mrf455 inventory, pricing, datasheets from authorized distributors at ecia. Hr2510 mrf455 mod cb junkies cb radio forum for the cb.
Mrf455ma npn silicon power transistor, 60 w, 30 mhz, 12. Mrf455 datasheet, equivalent, cross reference search. Zetagi b300p in need of new transistors, owner admits to over driving the amp which destroyed the sd1446 original devices. Sd1446 rf power bipolar transistors uhf mobile applications features summary 50 mhz figure, pout 70 w min. Mrf455 macom technology solutions discrete semiconductor. I figure that my power output will be 20 watts or less, fed into a maco v58 58 wave vertical antenna. Feb 27, 2009 for the motorola mrf455 rf transistor, start with helge granberg k7esoh2ze sk and his application note for design and usage of this transistor. Replacement transistors for the mrf 455 finals hello plowboy. Sd1446 stmicroelectronics datasheet pdf data sheet free datasheets data other electronic components such as resistors,capacitors, transistors and diodes.
A wide variety of mrf455 transistor options are available to you, there are 97 suppliers who sells mrf455 transistor on. Designed for power amplifier applications in industrial, commercial and amateur radio equipment to 30 mhz. The rf line npn silicon power transistor 60w, 30mhz, 12. Watts or modulation which is better would you use a 2sc2290 for power 100 watt rated or a mrf455 80 watt rated with more audio, to drive 2 2sc2879s. Mrf455 datasheet, mrf455 datasheets, mrf455 pdf, mrf455 circuit. I need a pair of mrf455 finals for a old palomar 225. Mrf458 datasheet, equivalent, cross reference search.
Before these came about, here iswas a brand called dei that made replacements for the sd1446 and 2sc2879, but these seem to have gone away as well. I was wondering what the power rating rms of the mrf455 transistor is. The high gain, broadband performance and linear characterization of this device makes it ideal for largesignal, common source amplifier applications. Well help you to work out whether its worth paying extra for a highend version or whether youre getting just as good a deal by getting the cheaper item. Motorola rf power transistor npn silicon,alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. Mrf455 60 w, 30 mhz, rf power transistor npn silicon. Mrf455 rf transistor npn 18v 15a 60w chassis mount 21107, style 1 from ma com technology solutions.
Electrical specifications t case 25csymboltest conditi onsvalueuni tmin. Mrf455 pinout these pinout images illustrates the problem using the mrf455 transistor in replacement of the original mrf477, you need to mount the mrf455 transistor to the heatsink and make connections to the pcb using tree short hookup wires. Pp60 sd1446 pp80 mrf455 pp100 2sc2879 the thing that bugs me is that there are no data sheets for the pp series of transistors. Well help you to work out whether its worth paying extra for a highend version or whether youre getting just as. If youre still in two minds about sd1446 rf transistor and are thinking about choosing a similar product, aliexpress is a great place to compare prices and sellers. I,ve been looking at some older footwarmers that have blown mrf 455 npn final transistors in them. I was trying to use a ohm meter to read the baecollector and collectorbase to see if they were open or shorted. Transistor power gain voltage frequency mode case pin 123.
Helge was a finnishamerican amateur and was one of the earliest pioneers in ssb technology in. Mrf455 datasheet, mrf455 pdf, mrf455 data sheet, datasheet, data sheet, pdf, macom, 60 w, 30 mhz, rf power transistor npn silicon. Mrf455 npn silicon power transistor, 60 w, 30 mhz, 12. Macom and its affiliates reserve the right to make changes to the products or information contained herein without notice.
About 30% of these are transistors, 55% are integrated circuits, and 0% are amplifiers and comparators. Mrf455 pdf, mrf455 description, mrf455 datasheets, mrf455. Arrow electronics guides innovation forward for over 200,000 of the worlds leading manufacturers of technology used in homes, business and daily life. The rf line npn silicon power transistor 80w, 30mhz, 12. Mrf455 datasheet pdf 60 w, 30 mhz, rf power transistor npn. Buy sd1446 rf transistor and get free shipping on aliexpress.
For mrf455 price, delivery, and datasheet, see the part table below. I am thinking of purchasing the president lincoln 10 meter transceiver to use as a continuous beacon. Helge was a finnishamerican amateur and was one of the earliest pioneers in ssb technology in 1950s hence referred to as the art collins of finland. Can you use the sd1446 as dropin replacements there are many mrf455 type amps out there. For the motorola mrf455 rf transistor, start with helge granberg k7esoh2ze sk and his application note for design and usage of this transistor. A 3 pin voltage regulator on the side of the case green 2saxxxx is a to220. An mrf454 or 2sc2290 or 2sc2879 are the larger round pills. Motorola order this document semiconductor technical data by mrf455d the rf line npn silicon mrf455 rf power transistor. Mrf455 npn silicon power transistor, 60 watt, 1430 mhz, 12. Motorola order this document semiconductor technical data by mrf455 d the rf line npn silicon mrf455 rf power transistor. Transistor mrf455 sd1446 equivalent power power 70 watts we use own and extern cookies to offer you the best experience and service. A global provider of products, services, and solutions, arrow aggregates electronic components and enterprise computing solutions for customers and suppliers in industrial and commercial markets.
Mrf477 and mrf455 is quite different mrf477 e mrf455 differenze mrf477 vs. Sd1446 datasheetpdf 2 page stmicroelectronics html. Mrf455 datasheet 60 w, 30 mhz, rf power transistor npn silicon. Pout datasheet search, datasheets, datasheet search site for electronic components and semiconductors, integrated circuits, diodes and other semiconductors. With 4 watts drive at 30 mhz an sd1446 will produce 85 watts output.
If you surfing our website, you accept that we use them. Can someone explain why anyone would use a sd1446 instead. Motorola, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. Replacement transistors for the mrf 455 finals cb and amps. The rf line designed for power amplifier applications in industrial, commercial and amateur radio equipment to 30 mhz. A wide variety of sd1446 transistor options are available to you.
95 973 493 148 246 755 12 87 1126 311 1504 924 455 1328 1384 1041 614 954 572 225 1420 485 305 1078 768 1540 110 1291 1547 451 184 1355 1224 188 923 274 880 865 967 1441 1130 61 1388 1087