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Low TCR High-Precision Resistors' Applications

Low TCR High-Precision Resistors' Applications

Illustrations of the benefits of low TCR may be found within thousands of successful applications. Lets review three application examples where low TCR offers certain performance advantages here. Precision Instrumentation High-accuracy digital multimeters manufacture might need a resistor component for a new series of 8.5- and 7.5-digit units. To achieve necessary 8.5-digit accuracy, the specified resistor needed to offer extremely low TCR, high-precision, repeatability, low thermal EMF, low noise, long-term stability and min...

Date:2019-07-30      [More+]
Potentiometer and It's Classification

Potentiometer and It's Classification

A potentiometer is a manually adjustable variable resistor with 3 terminals. Two terminals are connected to both ends of a resistive element, and the third terminal connects to a sliding contact, called a wiper, moving over the resistive element. The position of the wiper determines the output voltage of the potentiometer. The potentiometer essentially functions as a variable voltage divider. The resistive element can be seen as two resistors in series(potentiometer resistance), where the wiper position determines the resist...

Date:2019-07-29      [More+]
Resistance Of A Resistor

Resistance Of A Resistor

The function of a resistor is to oppose the electric current through it. This is called electrical resistance, and is measured in the unit ohm. The resistance can be calculated with Ohms law, when the current is known and the voltage drop is measured by Ohms Law R=V/I. Recently more customers request for T resistors or G ( gigaohm ) resistors for measurement and control equipment and other applications. Microhm offer thick film resistor NRB series and NGP type. The concept of current, voltage and resistance can be explained b...

Date:2019-07-25      [More+]
Magneto Resistors'  Features, Applications and Constructions

Magneto Resistors' Features, Applications and Constructions

A magneto resistor is a resistor of which the electrical resistance changes when an external magnetic field is applied. Magneto resistors have a variable resistance which is dependent on the magnetic field strength. A Magneto resistor can be used to measure magnetic field presence, strength and direction. They are also known as magnetic dependent resistors (MDR). A magneto resistor is a subfamily of magnetic field sensors or magnetometers. Applications include for example: electronic compass, magnetometry, various sensors and...

Date:2019-07-23      [More+]
Why Use Network Resistors?

Why Use Network Resistors?

Networks save limited PC space since a multi-resistor package often takes up less room than individual resistors occupy. They may also reduce needed PC traces if some or all of the resistors have a common connection. Networks also support a routing discipline which enables a cleaner, more logical layout arrangement. On the other hand, they may actually require longer PC-board traces. Besides adding to board crowding and layout challenges, these longer traces may increase noise pickup and adversely affect signal integrity. In ...

Date:2019-07-22      [More+]
Anti-Surge Resistor

Anti-Surge Resistor

Resistors that tolerate against surge are used in power supplies, automotive, industrial equipment, consumer and power supply. Pulse means the overload of large power and with long duration(large energy) whereas surge means overload like ESD, of high voltage and with short duration. Anti-pulse resistors are unlikely to be damaged even if large power is instantaneously applied. Among SMD type resistors, thick film chip resistors, like compact Microhm NBS Series, are generally stronger against pulse than metal film chip resisto...

Date:2019-07-22      [More+]
The Understanding of Key Parameters in Resistor Specs

The Understanding of Key Parameters in Resistor Specs

Although not a complex component, resistors have specifications that can be confusing, misleading, and misinterpreted. When specifying performance qualities, it is important to review and understand the resistor test conditions to properly interpret and apply the results to your design. There are potentially significant differences in data presented by resistor manufacturers and those differences can significantly affect performance. The specification process for resistors involves more than just allowing for tolerance bands....

Date:2019-07-18      [More+]
Full-Metal Shunt Resistors

Full-Metal Shunt Resistors

Full-metal shunt resistors consist of a homogeneous resistive element so that no additional inductance develops. This quality is key in such high-precision applications as medical technology or precision measurement devices. Furthermore, these resistors are characterized by high measurement accuracy and resistance to thermal shock. They are available in various sizes including versions that are much larger than standard chip resistors and TCR below 100 ppm/K. Full-metal resistors can operate with an output of up to 36W at max...

Date:2019-07-18      [More+]
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