Panasonic silicon epitaxial planar type variable resistor,alldatasheet, datasheet, datasheet search site for electronic components and. Variable resistor datasheetpdf 115 cts corporation. The device consists of a resistor array, wiper switches, a control section, and nonvolatile memory. Supply current is independent of current through the resistor network. Packaging type code quantity packaging style width pitch dimensions sfr16s a5 5000 taped acc. Variable resistor datasheetpdf cts corporation 115 datasheet, commercial 34 19. Vfd mcu controller vfd pin connection thermistor 100k dvd board layout vfd drive ht49cv5 ht49cv7 ht49cv9 remote control using switch board. The variable resistor offers a true adjustable value of resistance. A potentiometer is a mechanical type of variable resistor. Power rating depends on the resistors construction. The resistors are programmed using the i2c serial interface see the resistor 0 and resistor 1 regispin description pin name function 1 h0 resistor 0 high terminal. A variable resistor is in essence an electromechanical transducer and normally works by sliding a contact wiper over a resistive element. Variable resistors a variable resistor is a resistor whose resistance value can be changed. Wireless control of electrical resistance rc groups.
Typically it is not good practice to run a resistor close to its rated voltage specification. Pdf an1425 variable resistor 5k fixed resistor 10k variable resistor 0. Powerup recalls the contents of the default data register dr0 to the wcr. Variable resistor datasheet pdf cts corporation 115 datasheet, commercial 34 19. Even more, components are added to this type of a variable resistor so as to. Variable resistor datasheetpdf panasonic semiconductor ma30 datasheet, silicon epitaxial planer type variable resistor, panasonic semiconductor ma2b027 datasheet, cts corporation 115. These resistor specifications are some of the more commonly seen resistor specifications and parameters. Datasheet the x9119 integrates a single digitally controlled. Triple 128position nonvolatile digital variable resistor. Variable resistor datasheet, variable resistor pdf, variable resistor data sheet, datasheet, data sheet, pdf. Complete technical details can be found at the datasheet given at the end of this page. Get same day shipping, find new products every month, and feel confident with our low price guarantee. Read more about the cookies we use and how to disable them here. Variable resistor datasheetpdf ma30 panasonic semiconductor.
Panasonic silicon epitaxial planer type variable resistor,alldatasheet, datasheet, datasheet search site for electronic components and. With digital rather than manual control, the ad7376 provides layout. A vast range of trimming potentiometers is readily available to suit all needs with. Wcr controls the position of the wiper on the resistor array through the switches. Variable resistors find its application in most of the electronic circuits used today. A high resolution is a favourable characteristic of a variable resistor. In this lesson you will learn about variable resistors. Variable resistors are in stock with sameday shipping at mouser electronics from industry leading manufacturers. Floating either terminal a or b allows the devi ce to be used as a rheostat variable resistor.
By turning a knob or screw, the resistance of a potentiometer is changed. They can provide a variable resistance by simply varying the knob on top of its head. In addition to having the required ohms value, a resistor should have a wattage rating high enough to dissipate the power produced by the current without becoming too hot. Pins h0 and h1 are the high terminals of resistor 0 and resistor 1, respectively. Tyco electronics components offers a comprehensive range of variable resistors and potentiometers to satisfy the demands of circuit designers throughout the full spectrum of industrial and professional markets. You then measure the voltage drop across the variable resistor with the analog to digital a2d converter input of a microcontroller atmel or pic. The variable resistor offers a completely programmable value of resistance, between the a terminal and the wiper or the b terminal and the wiper. Im clearly not a trained electrical engineer simply a hobbyist so please forgive my crazy idea and general stupidity. Variable resistor working, specification, types, applications. Higherwattage resistors can operate at higher temperatures. As the name implies, the resistance of the variable resistor is changeable.
When a variable resistor is used as a potential divider by using. The nominal resistance and tolerance are marked on the resistor using four or five colored bands in accordance with iec 60062, marking codes for resistors and capacitors. For the 5v condition, the wiper terminal is driven with a source current of 80a for the 50k. This may be due to a calibration requirement where a circuit needs to be adjusted to compensate for component tolerances or simply a user adjustment such as the volume.
Potentiometers also known as pot, are nothing but variable resistors. Powerup recalls the contents of the default data register. Each of the resistors has two setting, value of the variable resistor. It is easy to vary or change the resistance of a variable resistor to a desired value.
Tyco electronics components offers a comprehensive range of variable resistors and potentiometers to satisfy the demands of circuit designers throughout the full spectrum of industrial and professional. Datasheet the intersil x9319 is a digitally controlled potentiometer xdcp. Variable resistor datasheetpdf panasonic semiconductor ma30 datasheet, silicon epitaxial planer type variable resistor, panasonic semiconductor ma2b027 datasheet, cts corporation 115 datasheet. Find variable resistor datasheet related suppliers, manufacturers, products and specifications on globalspec a trusted source of variable resistor datasheet information. Triple 128position nonvolatile digital variable resistorswitch. The potentiometer is implemented by a resistor array composed of 99 resistive elements and a wiper switching network. The dnl and inl are measured with the potentiometer configured as a variable resistor. When only two terminals are used, it functions as a variable resistance and is called a rheostat. Square trimpot trimming potentiometer electrical characteristics standard resistance range 10 ohms to 2 megohms see standard resistance table resistance tolerance 2 10 % std. Panasonic silicon epitaxial planar type variable resistor,alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. However, no responsibility is assumed by analog devices. When a variable resistor is used as a potential divider by using 3 terminals it is called a potentiometer.
Tech notes variable resistors as well as fixed resistors it is often necessary to include variable resistors in a circuit to provide some means of adjustment. Panasonic silicon epitaxial planer type variable resistor,alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. The wiper settings are controllable through the i2c compatible. There are switch mechanism variable resistors with an annular crosssection which are used for the control of equipments. For this type of variable resistor, there is a linear relationship between the resistance and the position around the track, i. As the name suggests, the resistance of a variable resistor can change.
The ad7376 performs the same electronic adjustment function as mechanical potentiometers, variable resistors, and trimmers with enhanced resolution. C information furnished by analog devices is believed to be accurate and reliable. They can provide a variable resistance by simply varying the knob on top. Ma2c029 datasheetpdf 1 page panasonic semiconductor. The low terminals of both resistors are tied to ground internally. K c variable resistor 25k variable resistor 5k ohm variable resistors rotary coded switch 16 positions 1k ohm trim pot t 35mm wirewound variable resistors text. The ad5222 contains two fixed resistors with wiper contacts that tap the fixed resistor value at. Often design standards recommend running a resistor at a maximum of 60% or even les of the maximum rated voltage to ensure reliability is maintained. Variable resistor, potentiometer types electronics notes. Mouser is an authorized distributor for many variable resistor manufacturers including. Input pulse is adjusted so irpeak is equal to 10 ma.
The wiper position is controlled by a 3wire interface. Ma29 datasheet, ma29 datasheets, ma29 pdf, ma29 circuit. Variable resistor working, construction, characteristics. Ma2b027 datasheetpdf 1 page panasonic semiconductor. Vfd mcu controller vfd pin connection thermistor 100k dvd board layout vfd drive ht49cv5. Now that we have discussed the main characteristics of the variable resistor, lets now have a look into the types of variable resistor. Our website places cookies on your device to improve your experience and to improve our site. In the case of a connection to ground, for example, an ntype mosfet, a capacitor, a resistor, and a pwm will probably suffice for a relatively slowchanging pot. Applies to a0, sda, scl for the ds3904 and a0, a1, a2.
Cookies and tracking technologies may be used for marketing purposes. This is a cross over question from another of my hobbies. However, no responsibility is assumed by analog devices for its use, nor for any. Variable resistors potentiometer types a summary or overview describing what is a variable resistor or potentiometer and detailing the different types of variable resistor and how variable resistors are used. The xdcp can be used as a 3terminal potentiometer or as a 2terminal variable resistor in a wide variety of applications including control, parameter adjustments and signal processing. Model style standard or modified product indicator 1 standard product resistance code packaging designator blank tube standard r tape and reel x and w pin styles only a ammo pack x and w pin styles only tape and reel material meets antistatic 3 ansiesd 55412003 packaging standards. Ma30 datasheet, ma30 datasheets, ma30 pdf, ma30 circuit. We have been getting a lot of comments with questions on how a variable resistor works and so on. The ad7376 performs the same electronic adjustment function as mechanical potentiometers, variable resistors, and trimmers with enhanced resolution, solidstate reliability, and programmability. Im trying to create a variable wattage heater circuit as shown below.
A larger physical size indicates a higher power rating. Please check microchip web site for device release and availability. Available in four different endtoend resistance values 5 k. The key to designing a solidstate variable resistor is operating in your transistor in the active region, rather than allowing it to become saturated.
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