85F2R21

Series:	Acrasil® 80
Packaging:	Bulk
Part Status:	Active
Resistance:	2.21 Ohms
Tolerance:	±1%
Power (Watts):	5W
Composition:	Wirewound
Features:	--
Temperature Coefficient:	±50ppm/°C
Operating Temperature:	--
Package / Case:	Axial
Supplier Device Package:	Axial
Size / Dimension:	0.343" Dia x 0.937" L (8.70mm x 23.80mm)
Height - Seated (Max):	--
Number of Terminations:	2
Failure Rate:	--

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

IntroductionThrough hole resistors are devices commonly used to create electrical resistance in circuits. There are many varieties of these components, each having unique characteristics and capabilities. The 85F2R21 is one such through hole resistor, with a range of applications, an impressive list of performance specifications, and a distinct working principle. In this article, we’ll look at the application field and working principle of the 85F2R21. Application FieldThe 85F2R21 is a through hole resistor designed primarily for use in military, aerospace, medical, and industrial applications. Its properties make it ideal for design engineers looking to incorporate reliable, accurate, and low-power resistors into their circuits. It is typically used in high-temperature, high-voltage, and high-frequency applications, making it an ideal candidate for harsh environments and long-term performance.The 85F2R21 through hole resistor has several distinguishing features that make it beneficial in these application fields. With its ceramic base, it can withstand extreme temperatures and can be used in temperatures ranging from -55°C to +125°C. Additionally, it offers reliable, accurate resistance values, allowing designers to precisely control current and voltage within their circuits. This resistance stability also provides for low power consumption, which can help with efficiency and power savings in sensitive systems. Working PrincipleThe 85F2R21 through hole resistor has a unique working principle. It is constructed with a metal layer that is separated from a ceramic base by an insulation layer. To create the desired resistance value, the metal layer is etched to create a series of thin strips, each of which creates a discrete current path. These paths have a low, controlled resistance value, and this resistance is what determines the overall resistance of the device. The length of the metal strips, number of strips, and the product’s placement on the ceramic base all influence the resistance of the device. This allows designers to select the desired resistance value with a greater degree of accuracy than traditional devices. It also helps to improve the device’s reliability by ensuring a more accurate resistance over its service life. ConclusionThe 85F2R21 through hole resistor is an ideal choice for many designers looking to incorporate resistors into their circuits. With its impressive characteristics, desirable performance specifications, and low power consumption, it makes for an ideal choice in several application fields. On top of this, its unique working principle allows for better control and accuracy when selecting a desired resistance value, and also adds more reliability and accuracy over the life of the device.

The specific data is subject to PDF, and the above content is for reference

Part Number	Manufacturer	Price	Quantity	Description