Smdsmt sot233 single npn bipolar transistors bjt mouser. Code software andor firmware is owned by cypress semiconductor. Identify smd smt electronic components by their marking codes. Surface mount transistor smd transistor code, types. A lot of smd parts have the same codes but they are diferent. Here you can download the smd code book that shows smd marking codes for. Here you can download the smd code book that shows smd marking codes for almost every surfacemount device available on the market. Semiconductor charts smd code reference a smd code index smd code reference the solidstate components online database kytelabs infobase semiconductor data. Smd components for smt surface mount electronic device smd. Remember, not all electronic components are available as smd surface mount device.
Orientation caution must be taken in ordering sot23 with the correct orientation. No licence is granted for the use of it other than for information purposes in connection with the products to. Instead, a somewhat arbitrary coding system has grown up, where the device package carries a simple two or threecharacter id code. Electronics coding and marking of electronic components application note the electronics industry is experiencing vigorous growth in microelectronic components. Smd devices are, by their very nature, too small to carry conventional semiconductor type numbers. Silver mica disease, a problem with vintage radio tuning circuits. Identifying the manufacturers type number of an smd device from the package code can be a difficult task.
Our database currently has 3224 smd marking codes of bipolar transistors bjt, field effect transistors fet, mosfet, jfet, diodes, zener diodes, schottky diodes, varicap diodes, voltage supervisors reset circuits, temperature sensors, current sensors, transient voltage suppressors tvs and others. Electronics coding and marking of electronic components. No licence is granted for the use of it other than for information purposes in connection with the products to which it relates. Resistor color coder is a free desktop application that has been downloaded by hundreds of thousands of electronics enthusiasts. Surface mount transistor in mobile phone and their function. Below are the most common size codes for capacitors and resistors. Find other surface mount device codes markings or values visit our smt code finder page.
Selective assembly of throughhole components such as sockets and connectors. The initial 2n identifies the part as a transistor and the rest of the code identifies the particular transistor. Therefore new resistor smd codes have been developed. Download tables of equivalences smd components transistors and diodes xtronic free electronic circuits and. Smd resistor or surface mount chip resistor is an electronic component with the properties of both obstruction as well as resistance. Resistor color code and smd calculator software electronic. Page 2 of 3 electrical characteristics t ambient25. Dear sir i need smd transistor and diode code book. Enter a full or partial smd code with a minimum of 1 letters or numbers.
What are the differences between chip, smd and trimmable. How to identify smd devices from the codes on top of the component. To find the component your looking for, either search by part number or visit the relative department. The manufacturers top mark codes are not consistent. Find smd transistor related suppliers, manufacturers, products and. Smd resistor code calculator for ios free software, apps. Next look up the code in the alphanumeric listing which forms the main part of the pdf book by looking. In industry, this approach has largely replaced the throughhole technology construction method of fitting components, in large part because smt allows. The smd codebook is a reference for surface mount device semiconductor device codes, equivalents and connections smd transistor marking codes the smd codebook. Identifying the manufacturers type number of an smd device from the package code can be a difficult task, involving combing through many.
Because the sot23 is a surface mount device smd heat transfer will also be conducted via the component leads. Resistor color code and smd calculator software electronic circuits. This is a smt resistor calculator entering a resistor code or resistor value will return the resistor value plus commonly used three and four digit smd codes. The letter at the end identifies versions with different voltage ratings. This simple and accurate calculator for your iphone or ipad, will help you determine the value of any smd resistor. Aah 20090112 mmbt5401 smd high voltage transistor pnp. Sivainstitute of electronics,guntur,sie guntur,sie, laptop chip level mechanism laptop online classes laptop fast track classes,dead led tv, led tv repair,how to repair led tv.
Smd transistor code calculator, welcome to the smd codebook. Smdphilips marking codes small signal transistors and diodes free download as pdf file. How to confirm any electronics components with smd marking codes like transistor,diode,mosfet,resistor,capacitor etc. Cm9nb847a, npn transistor, by canaan microelectronics fmmta43, npn transistor, by zetex kst43, npn transistor, by samsung mmbta43, npn transistor, by itt r31n29ec3, vdetic 2.
This calculator quickly determines 4 or 5 band resistor values and tolerances. A new 2012 edition smdcodes databook in electronic format from a known author eugeniu. Smd smt sot233 single npn bipolar transistors bjt are available at mouser electronics. All found in the smd databook 2011, 2500 comprehensive pages. The solidstate components online database smdcodeindex. With the development of these smaller components comes the need for microsized, highly durable codes. Find out the value of any smd resistor marked with the threedigit, fourdigit or eia96 code. Smaller sot packages are mounted on 7 inch 178mm reels. Tape and reel is the most popular packaging for smd transistors and diodes. For example, with a 6h smd code in a sot23 case might be either a npn transistor bc818 cdil or a capacitancediode fmmv2104 zetex or a nchannel jfet transistor mmbf5486 motorola or a pnpdigital transistor mun21 motorola or a pnpdigital transistor un2117 panasonic or a cmosintegrated circuit voltage detector with reset. Identifying the manufacturers type number of an smd device from. A similar package style is the to236aa smd transistor. Smd resistor code calculator cnet download free software. Smdsmt sot233 single npn bipolar transistors bjt are available at mouser electronics.
Soon you will be speaking the language of surface mount. Some resistors use colored bands instead of numbers. 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. I think it could be a date code but im not sure and i dont know either what its purpose is e. 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. Download tables of equivalences smd components transistors. There are no leads to shorten to increase heat conduction as in a thruhole component. Jun 25, 2018 smd devices are, by their very nature, too small to carry conventional semiconductor type numbers. For pack quantities of 10, an order qty of 1 equals 1 pack of 10, price shown is per pack i. Marking of electronic components, smd codes 24, 2481d, 24. A surface mount device smd transistor is a type of transistor that is soldered directly onto the surface of a computer component board. Resistor color code and surface mount device smd calculator software. This booklet is a plainenglish introduction to surface mount nomenclature and packaging.
Surface mount transistor or smt transistor is an smd electronic component made up of semiconductor material like silicon or germanium. These identifiers are used for product serialization, supporting antipiracy and. Marking of electronic components, smd codes 24, 2481d, 24, 24a, 24c, 24n025s, 24t, 24v, 24y. The sot23 package is a 3terminal plastic surface mount component. Majority of transistors are silicon types and they can tolerate high temperature.
Transistor codes surface mount, pnp, npn, choosing. Iata and faa identifier for smith field indiana airport, fort wayne, indiana, us. But i couldnt find the meaning of the perpendicular l. Smd transistor wu1 electronics repair and technology news. Smd philips marking codes small signal transistors and diodes free download as pdf file. Semiconductor charts smd code reference the solidstate components online database smdcodeindex smd code reference kytelabs infobase semiconductor data. Smd resistors have a code consisting of three or four number or letters. The sot23 smt package is the most common outline for small signal surface mount transistors. The first letter b is for silicon, a is for germanium rarely used now. The most commonlyused codes are threedigit and fourdigit systems, and an electronic industries alliance eia system called eia96. These problems are going to remain as long as throughhole components will remain in the smt industry. An electrical component mounted in this manner is referred to as a surfacemount device smd.
Aah 20071011 mmbt2907a smd general purpose transistor pnp. You can use the calculator below to calculate the resistance of an smd resistor. Do you have any datasheet about smd codes like b5f4zener diode. Semiconductor charts smd code reference the solidstate components online database smd codeindex smd code reference kytelabs infobase semiconductor data. These tiny chips are marked with three 3 or four 4 digit codes which is called smd resistor codes to indicate their resistance values. Codes beginning with b or a, for example bc108, bc478. For instance, the common 3904 smt transistor from diodes inc. To identify a particular smd device, first identify the package style and note the id code printed on the device.
Because of the small size of smd resistors, there is no room for traditional colour band codes to be printed on them. 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. Sega mega drive, a fourthgeneration video game console. Smd resistor code calculator free this simple and accurate calculator for your iphone or ipad, will help you determine the value of any smd resistor. For example, with a 6h smdcode in a sot23 case might be either a npntransistor bc818 cdil or a capacitancediode fmmv2104 zetex or a nchannel jfet transistor mmbf5486 motorola or a pnpdigital transistor mun21. To look up a coded device, click on the first character of the device code in the table on the left. There are three main series of transistor codes used in the uk. Smd high school, srinagar, jammu and kashmir, india. My experience with this question will not make you happy.
Smd code in hindi smd marking codes how to confirm any. Semiconductor charts smd code reference f smdcodeindex smd code reference the solidstate components online database kytelabs infobase semiconductor data. Although a variety of smt transistor and diode packages are available, some of the most popular are given in the list below. Smd devices are, by their very nature, too small to carry conventional. To identify a particular device, first identify the package style and note the id code printed on the device. Although transistors mounted this way can break off more easily, boards that utilize the smd transistor are cheaper to produce than others. Surfacemount technology smt is a method in which the electrical components are mounted directly onto the surface of a printed circuit board pcb. Nov 05, 2017 sivainstitute of electronics,guntur,sie guntur,sie, laptop chip level mechanism laptop online classes laptop fast track classes,dead led tv, led tv repair,how to repair led tv. Smd code in hindi smd marking codes how to confirm. Transistor is a semi conductor device which is made as a separate electronic component or as part of integrated circuits. The property of this component is called resistance.