EXB-38V621JV

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Resistor Networks, Arrays are essential in many applications such as power distribution, signal transmission, and communication. EXB-38V621JV, a resistor network product from Vishay, is a good example of this kind of product.

EXB-38V621JV is a four-terminal resistor network that consists of eight metal resistors that act in parallel. The device has a total resistance of 6.21 kOhms and a low temperature coefficient of resistance (TCR) of ±50 ppm/°C in an 0504 case. This product has a wide range of applications, such as radio frequency (RF) filters, amplifier circuits, and adjustable voltage sources.

The working principle of EXB-38V621JV is to utilise the simple resistor network concept of connecting two or more resistors in parallel or series. The parallel connection will double the resistance value of each resistor, while the series connection will reduce the total resistance of the whole network. In the case of EXB-38V621JV, eight 0 Ohm resistors are arranged in a four-terminal configuration. With the arrangement, the individual resistors are connected in parallel and have their individual resistance, of 0 Ohm, multiplied by eight, resulting in a total network resistance of 6.21 kOhms.

EXB-38V621JV is particularly featured for its low TCR, which allows the device to maintain a fairly consistent resistance even under temperature changes. The metal resistors are made of high-temperature alloys which have a TCR of less than ±50 ppm/°C, to ensure high stability of the total resistance of the network. This TCR level is much lower than that of plastic parts, thus making it much more suitable for use in circuits that require more accuracy.

Also, EXB-38V621JV is able to withstand up to 10V peak voltage and a power dissipation of up to 200mW. This makes it suitable for use in a variety of applications, from low-voltage, low-power applications to higher voltage and current applications.

Overall, EXB-38V621JV is a versatile four-terminal resistor network that offers good performance at an affordable price. It has a low TCR and can withstand high voltage and power, making it an ideal choice for many types of applications. It is also easy to use and does not require any special tools or skills.

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