Cross reference universal transistor reference page 1. Tpv3100 2sc2897 macom tp3034 sd93 tp9383 tp3008 transistor 2sc636 mrf255 equivalent. Formation of barrier at the completion of the alloying process, atomic activity takes place at the junction figure 4 as fol lows. Second book of transistor equivalents american radio history.
Silicon npn triple diffused type pct process transistor, c5353 pdf download toshiba, c5353 datasheet pdf, pinouts, data sheet, equivalent, schematic, cross reference, obsolete, circuits. Silicon npn triple diffused type pct process transistor, c5353 pdf download toshiba, c5353 datasheet pdf, pinouts, data sheet, equivalent, schematic, cross. This device utilizes emitter ballasting and is extremely stable and capable of withstanding high vswr under operating conditions. Rf and microwave transistors vhfuhf applications sd 1463 sd1468. For the best answers, search on this site mosfets are a type of transistor but they dont function like a bijunction transistor, like the 2n3055. At the cb 11 meter freqs of 27 mhz most rate it at 90 watts. Bc237, bc237b, bc237c, bc239c amplifier transistors npn silicon features pb. Free packages are available maximum ratings rating symbol value unit collector. Stmicroelectronics sd1446 bjt transistor for sale online ebay. Hg rf power transistor sd1446 semiconductors hg rohs compliance,silicon npn power. Dont go for a transistor with a much higher ft as this may increase the risk of oscillation.
Bc237, bc237b, bc237c, bc239c amplifier transistors. Also they can dissipate more heat, even though they run hotter than 1446s. Transistor diode cross reference sphere research corporation. Emitter voltage bc237 bc239 vces 50 30 vdc collector. Apr 05, 2008 i during 80s and 90s, i used to search for components equivalents in books. Pin connection branding sd1446 order code sd1446 absolute maximum ratingstcase 25c symbol parameter value unit vcbo collector. The emitter sends a current out into the circuit, but only. Choosing transistor replacements electronics notes. A transistor is basically 2 diodes that share one end. Sd1446 rfvhfuhf transistor st casem1 free shipping.
This device utilizes diffused emitter resistors to withstand. This page contains list of freely available ebooks, online textbooks and tutorials in transistor circuits. Transistor uses, transistor rules, common emitter circuit, small signal amplification, fieldeffect transistors, jfet operating regions. Alibaba manufacturer directory suppliers, manufacturers. It is necessary to ensure that the replacement transistor will be able to operate at the relevant frequencies, so a similar or slightly higher ft is advisable. Theses sd transistors cover a full range of hf, vhf, uhf avionics and microwave. Details about 1pcs used sd1446 sd 1446 power transistor m1 ic chips replacement.
Jun 25, 2018 smd devices are, by their very nature, too small to carry conventional semiconductor type numbers. Hg rf power transistor sd1446 semiconductors hg rohs compliance,silicon npn power transistor d description 1. I have replaced all four of my mrf455 with the sd1446s with great results, and i am very. Instead, a somewhat arbitrary coding system has grown up, where the device package carries a simple two or threecharacter id code. 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. Aug 25, 2011 crossreferences are not magic, understanding of the circuit and a parametric search of the important parameters is much more reliable. With out knowing what and ware your are using it, you should choose a similar part. Toshiba, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. Check our section of free ebooks and guides on transistor circuits now.
The sd1446 is rated for 70 watts pep output power at 12. Sd336 datasheet, equivalent, cross reference search. Well help you to work out whether its worth paying extra for a highend version or whether youre getting just as. Hg semiconductors hg rf power transistor sd1446 rohs compliance. The sd1446 is a perfect replacement for the mrf455 transistors. A click on a product type takes you to the corresponding product information page on the nxp website.
Singleline tvs diode for esd protection in portable electronics sod323 sd 12c. If a mica insulation is used, the thermal resistance of the mica washer must be added, which amounts to about 0. You have clicked a page that seems to be very popular. This application note discusses the conse quences of driving eclinps devices with an. International transistor equivalents guide bernard babani. Sd1446 rf power bipolar transistors uhf mobile applications features summary 50 mhz, sd1446 is a 12. The dei sd1446 silicon nan radio frequency power transistor is primarily designed for 50 mhz class c power amplifier and land mobile transmitter applications. An common source mosfet amplifier is to be constructed using a nchannel emosfet which has a conduction parameter of 50mav 2 and a threshold voltage of 2.
As this book contains many thousands of transistors, it has. Buy international transistor equivalents guide bernard babani publishing radio and electronics books by michaels, adrian isbn. Browse digikeys inventory of npn rf transistorsnpn. Features, specifications, alternative product, product training modules, and datasheets are all available. Since the distribution of heat in the transistor crystal is not uniform and depends on voltage and. Npn planar transistor designed primarily for land mobile transmitter applications. Nov 30, 2015 transistor gain drops with increasing frequency. If you decide you do not want a replacement, the item can be returned under our standard return policy. Sd1076 pt8811 mrf245 rf transistor s1012 pt8828 sd1076 pt8710 pt9780 transistor pt4544 text. Rf power bipolar transistors uhf mobile applications. The dei sd1446 is designed to be equivalent to other brands of sd1446 transistors.
Directions for determining the thermal resistance rths for cooling fins can be found on page 11. Others, transistor substitution data book 1993, scan, pdf. Texas instruments transistor and diode databook 1st ed 1973 datasheets for diodes from 1n251 on and transistors from 2n117 on acrobat 7 pdf 34. Sd1127 microsemi corporation discrete semiconductor.
Transistor npn silicon 36v ic6a po50w cb and rf power output in stock. Mosfet amplifier circuit using an enhancement mosfet. Smd devices are, by their very nature, too small to carry conventional semiconductor type numbers. However, it is important to note that the 70 watts output advertised is based upon the 50 mhz of the only data sheet provided. For details about parts other than sd1446 click on the desired part number in the parts list at the bottom of this page. Select a replacement transistor with equivalent ft. Sd1426 transistor, sd1077 transistor, sd1295 transistor, sd1212 transistor, sd1562 transistor, sd1526 transistor, sd1424 transistor, sd1452 transistor, sd1451. Sd1446 datasheet, equivalent, cross reference search. The collector accepts an input current from the circuit, but it cant send the current through the transistor until allowed to by the base. Mounting procedures for very high power rf transistors. Jul 29, 2019 a transistor is basically 2 diodes that share one end. Dei sd1446 70w silicon npn rf power transistor 50mhz.
A donor electron leaves an antimony atom, crosses the barrier, and unites with a hole generated by. World transistor equivalents data az by eca author 4. Also they can dissipate more heat, even though they run hotter than 1446 s. Obviously, amplifiers and oscillators should operate somewhat below this frequency. Is there anything available to see if a particular transistor can be replaced with a different one. There are books galore on this but surely someone knows of a site that has them listed and searchable my query is a simple one i have no 2n5551 transistors on hand and i want to see if one in my box will do the job. Erf2030 is a 25 watt transistor therefore it is not just a replacement but also an upgrade to based on.
Pin connection branding sd1446 order code sd1446 absolute maximum ratings tcase. Sought the web for a replacement and a firm in the usa specced the. Silicon npn triple diffused mesa type, 2sd1428 datasheet, 2sd1428 circuit, 2sd1428 data sheet. Buy sd1446 rf transistor and get free shipping on aliexpress. Everyday low prices and free delivery on eligible orders. Is there any webbased or stand alone program to do such service for transistors and ics. Emitter voltage bc237 bc239 vceo 45 25 vdc collector. This device utilizes emitter ballasting and is extremely stable and capable of withstanding high vswr under rated operating conditions. 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. Sd1451 nte equivalent nte318 npn rf output transis. Nte is a company that specializes in cross referenced parts. So called equivalent parts, or nte replacements, may not work at all in some cases, because they were worse in some spec, or the circuit was designed with the assumptions that the part had a fairly low bandwidth.
Pricing and availability on millions of electronic components from digikey. Discrete semiconductors selection guide 2010 products for general applications bene. Irf520p to220 nchannel power mosfet rf final and en369dr companion part. Transistor npn silicon 36v ic6a po50w cb and rf power output. Free transistor circuits books download ebooks online textbooks. Sd1127 rf transistor npn 18v 640ma 175mhz 8w through hole to39 from microsemi corporation. Asi supplies a replacement line of sd transistors currently made or obsoleted by sgsstm. Description more info in stock package package qty. Base q c silicon npn planar transistor designed primarily 4. For sd1446 price, delivery, and datasheet, see the part table below. I during 80s and 90s, i used to search for components equivalents in books. Sd1446 transistor datasheet pdf, sd1446 equivalent.
996 134 119 26 1328 39 1416 960 187 61 1536 1139 204 161 942 1111 449 746 1467 204 1193 297 1289 1079 1431 198 1059 783 913 1007 303 1016 439