What, exactly, did you test with the multimeter that indicates this part is the issue. Unfollow smd transistor to stop getting updates on your ebay feed. Some electronic components are available at a discount, and others carry a premium. According to the markings on the case, w1a denotes the pmbt3904. Application note an1016 hermetic surface mount device smd, its advantages and solutions to, electronic equipment designs have been integrating the smd packages due to smaller size, lighter weight, and, provide. Identifying the manufacturers type number of an smd device from. Beginners guide on using electrical multimeters for autos duration. Discrete semiconductors data sheet book, halfpage m3d088 pmbt3904 npn switching transistor 1999 apr 27 product specification.
Npn switching transistor pmbt3904 limiting values in accordance with the absolute maximum rating system iec 604. A transistor is a three layer semiconductor which consist a very thin central layer of one type of semiconductor material sandwiched between two relatively thick layer of second type. Silicon npn planar rf transistor datasheet catalog. Sot23 power plate patch trio w1a t1a 1am 1ak w2a t2a 2a p1a. In fact in this case, unlike than pnp one, the quiescent current flows mostly into the load. Smdcodes for semiconductor components in 2pins cases. Instead, a somewhat arbitrary coding system has grown up, where the device package carries a simple two or threecharacter id code. To look up a coded device, click on the first character of the device code in the table on the left. B page 1 of 2 rohs compliant product features z power dissipation p cm.
Pinning information 2pd601art 50 v, 100 ma npn generalpurpose transistor rev. The shapes are generally rectangular and cylindrical. Smd w1a transistor datasheet, cross reference, circuit and application notes in pdf format. Jameco sells 1a smd transistor and more with a lifetime guarantee and same day shipping. Apps enter a full or partial smd code with a minimum of 1 letters or numbers code. The electronics industry is making progress every day in resolving the economic, technical, and standardization issues with surface mount components smd are available as both active and passive. Transistor 3401 3401 sot23 mosfet 3415 3415 sot23 mosfet 4401 4401 sop8 transistor 4410 4410 sop8 transistor 4501 4501 sop8 transistor 4611 4611 sop8 transistor 4612 4612 sop8 transistor 4616 4616 sop8 transistor 4812 4812 sop8 transistor 6616 6616 sop8 mosfet 8810 8810 tssop8 transistor 10x 02cz10x. The hfa3102 is an all npn transistor array configured as dual differential amplifiers with tail transistors. Surface mount transistor smd transistor code, types. It can be tough to find the datasheet for some of the parts, or there are many variants of the parts, and its nearly impossible to determine the variant is in hand. Jun 25, 2018 smd devices are, by their very nature, too small to carry conventional semiconductor type numbers. Now look up the code in the alphanumeric listing which forms the main part of this book by clicking on. Thus a device with the numbering code 1n4148 is a diode and a 2n706 is a bipolar transistor. If you repair smd circuit board and found a smal smd transistor wu1, then you should expect that there is another part number that you should search for.
Below are the rules to follow for reading the value of eia96 smd resistors. We make every effort to ensure that the material on this site is accurate, however we do not warrant or represent that the information is free from errors or omission. Renesas introduces jedeccompliant precision temperature sensor for ddr5 memory modules 5 may 2020. Based on intersil bonded wafer uhf1 soi process, this array achieves very high ft 10ghz while maintaining excellent hfe and vbe matching characteristics over temperature. Marking of electronic components, smd codes a7, a7, a7, a7. A manufacture logo or mark on the package can be really helpfull to identify the package.
Smd transistors technical data and comparison tables. Bcw32 transistor npn 32v 500ma sot23 fairchild semiconductor datasheet pdf data sheet free from datasheet data sheet search for integrated circuits ic, semiconductors and other electronic components such as resistors, capacitors, transistors and diodes. Diodes and transistors pdf 28p this note covers the following topics. Nxp pmbt3904 sot23 triode transistor w1a satistronics. The part number is dta144 which is a pnp digital silicon transistor. Page 2 of 8 electrical characteristics t ambient25. Smd are available as both active and passive electronic components. The customer is responsible for checking and verifying. Page 2 of 8 electrical characteristics t ambient 25. Ammeter e flows current on receipt of forward bias. Smdsmt transistor and diode assortment kit, 35 values total 350pcs smt sot23.
Basic semiconductor physics, diodes, the nonlinear diode model, load line analysis, large signal diode models, offset diode model, transistors, large signal bjt model, load line analysis, small signal model and transistor amplification. Pmbt3904 datasheet, equivalent, cross reference search. No licence is granted for the use of it other than for information purposes in connection with the products to. Collector leakage currents are maintained to under 0.
Only a very common 10f minimum capacitor is needed for stability. All product specifications, statements, information and data collectively, the information in this datasheet or made available on the website are subject to change. Its clearly a transistor the silkscreen code q means that. Collector c the terminal of the transistor which receives the emitted electrons or holes. Discrete semiconductors data sheet book, halfpage m3d186 bf421l.
Sometimes extra letters are added to the part number and these often refer to refer to the manufacturer. While surface mount technology has matured, it is constantly evolving as well with the introduction of new packages. Generalpurpose transistors smd plastic packages two different gain selections 1. Sot23 plasticencapsulate transistors, 1am datasheet, 1am circuit, 1am data sheet. Transistor 1a sbt3904f sot23f transistor 1a sbt3904u sot323 transistor 1a sbt3904uf sot323f transistor 351a sd42351na sot89 leddriveric s1a sgm2122syn6g sot236l linearregulatoric 1 si1073x sc89 mosfet 1a06ns sm1a06nsk sop8 mosfet sm1a06 sm1a06nskp dfn5x6a8 mosfet 1a08n sm1a08nsv sot223 mosfet 1a11. A surface mount device smd transistor is a type of transistor that is soldered directly onto the surface of a computer component board. The regulation of the output current is based on a fairchild patent for fps. Find smd transistor related suppliers, manufacturers, products and. W1 smd databook electronic circuits, tv schematics, audio. Smdsmt sot233 npn 1 a bipolar transistors bjt mouser. M means the manufacturer is motorola, while ti means texas instruments, although an a added to the part number often means a revision of the.
Smdsmt sot233 npn 1 a bipolar transistors bjt are available at mouser electronics. To identify a particular smd device, is necessary to identify the manufacturer, package type and note the smd code printed on the. Motorola transistor smd marking codes datasheet, cross reference. If you download the pdf file of dta144 here, you could see the.
Motorola or a pnpdigital transistor un2117 panasonic or a cmosintegrated circuit voltage detector with reset output r31n36ea ricoh. Its kind of unlikely that this is the only problem however. Motorola transistor smd marking codes datasheet, cross reference, circuit and application notes in pdf format. Codes beginning with 1 be sure to check the i letter i table as well code device manufacturer base package leaded equivalentdata 1 2sc3587 nec cx npn rf ft10ghz 1 ba277 phi i sod523 vhf tuner band switch diode. Marking of electronic components, smd codes 1a, 1a, 1a. Jan 02, 2010 according to the markings on the case, w1a denotes the pmbt3904. Bc846bc847bc848 smd general purpose transistor npn. Electrons are emitted in npn transistors whereas pnp transistors emit holes. Smdphilips marking codes small signal transistors and diodes free download as pdf file. Smd philips marking codes small signal transistors and diodes free download as pdf file.
Quick reference data bc846 series 65 v, 100 ma npn generalpurpose transistors rev. For pack quantities of 10, an order qty of 1 equals 1 pack of 10, price shown is per pack i. But, i regret to inform you that the part number w1a you entered is either invalid or we dont carry on our web. Rohs compliant product a suffix of c specifies halogen. Use parametric searches at the manufacturers website and package information to narrow down the number of parts. For example, with a 6h smdcode in a sot23 case might be either a. Features high power gain high transition frequency low noise figure 581 23 1 94 9280 bfr93a marking. Smtsmd 0805 resistor and capacitor book 3725 pieces id. It is recommended that transistors not be allowed to operate near these values, lest their lifespan be shortened. Smd transistor marking code rip 31 datasheets context search. Next look up the code in the alphanumeric listing which forms the main part of the pdf book by looking for the first character in the left column.
Smdsmt transistors are available at mouser electronics. I managed to find out that 2x stands for 2n4401 and the dot seems to mean lead free. Transistors are widely used in electronic appliances such as computers, radio,audio video equipment, bio medical instrument etc. The world of passive surface mounting is somewhat simpler. Monolithic ceramic capacitors, tantalum capacitors, and thick film resistors form the core group of passive smd.
Even the same manufacturer may use the same code for different devices. The breakdown voltage is where the transistor will stop operating or be destroyed if it is given an input voltage of that amount. Characteristics tamb 25 c unless otherwise specified. Browse our computer products, electronic components, electronic kits. More precisely, 1a pmbt3904 iirc the first letter specifies the country where the transistor was manufactured.
Collector s8550 features z complimentary to s8050 z collector current. Smd components for smt surface mount electronic device smd. There are three terminals of a surface mount transistor or thruhole transistor. This book has nice translucent pages filled with cut tape smt 0805 components, sorted, labeled and ready to go. A three terminal semiconductor electronic device is called transistor. Although transistors mounted this way can break off more easily, boards that utilize the smd transistor are cheaper to produce than others. Silicon npn planar rf transistor electrostatic sensitive device. Unit conditions 15 na vcb30v, ie0 icbo collectorbase cutoff current 5. This data sheet and its contents the information belong to the members of the premier farnell group of companies the group or are licensed to it. Unit conditions i cbo collectorbase cutoff current v15 30v,na cb ie0 5. Smd devices are, by their very nature, too small to carry conventional semiconductor type numbers. Smd codebook, smd marking code, marking code, more then 97. On chip trimming allows the regulator to reach a very tight output voltage tolerance, within 1% at 25c. Smd code package device name manufacturer data datasheet.
Download tables of equivalences smd components transistors and diodes. Bc846 series 65 v, 100 ma npn generalpurpose transistors. A wide variety of smd transistor 2a options are available to you, there are 742 suppliers who sells smd transistor 2a on, mainly located in asia. No licence is granted for the use of it other than for information purposes in connection with the products to which it relates. Get same day shipping, find new products every month, and feel confident with our low price guarantee. Marking of electronic components, smd codes w1, w1, w1.
This means that if you could not locate or buy the smd transistor wu1, you can buy the dta144 as replacement. Avictek, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. Zs and zts are both 2pc4081q devices made by philips. Smd transistor wu1 electronics repair and technology news. Mantech electronics is an electronic component, test and measurement, tool and power product importer, supplier and distributor. Products are available from any one of our branches and distributors in jhb, dbn and cpt. Dear sir i need smd transistor and diode code book. Sot23 power plate patch trio w1a t1a 1am 1ak w2a t2a 2a p1a p2a h1a on sale,buy cheap sot23 power plate patch trio w1a t1a 1am 1ak w2a t2a 2a p1a p2a h1a from the best shopping agent. The one that i think is the dual transistor is marked.