20J40R

Series:	20
Packaging:	Bulk
Part Status:	Active
Resistance:	40 Ohms
Tolerance:	±5%
Power (Watts):	10W
Composition:	Wirewound
Features:	Flame Retardant Coating, Safety
Temperature Coefficient:	±30ppm/°C
Operating Temperature:	--
Package / Case:	Axial
Supplier Device Package:	Axial
Size / Dimension:	0.394" Dia x 1.858" L (10.00mm x 47.20mm)
Height - Seated (Max):	--
Number of Terminations:	2
Failure Rate:	--

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Through Hole Resistors

Through-hole resistors are among the most common electronic components. They are used in most electronics applications, from computers to home appliances. The main purpose of resistors is to reduce the voltage or current flowing through them, thus protecting other components in the system.The most common type of through-hole resistor is the 20J40R, a smaller version of the classic carbon-film resistor. This type of resistor is used most often in basic electronic circuits, such as analog power supplies for computers and control systems. It can also be used in audio systems, as well as in instruments such as synthesizers and drum machines.The 20J40R resistor is a space-saving electronic component that comes in a variety of sizes and wattages. The most frequently used size is 0.1Ω. Although the 20J40R can handle a maximum operating power of 1W, it is generally used as a power supply component for low-power applications.The 20J40R has a simple construction and working principle. Its body is made of a resistor film, and each terminal is connected to a metal plate contact. The resistor film has a tendency to absorb electric current, thus creating a high impedance barriers between the two terminals. This, in turn, reduces the amount of electric current that can pass through the resistor.The 20J40R also has a voltage breakdown value of 400V, which means it can safely handle up to 400V of voltage without breaking down. This feature makes it ideal for applications such as AC/DC power converters, light dimmers, and power amplifiers.The operating temperature range of the 20J40R ranges from -10˚C to 70˚C, and its ambient temperature range ranges from -55˚C to 85˚C. As a result, it can be used in highly demanding, high-temperature environments.When choosing a 20J40R resistor, it is important to consider its power rating, operating temperature range, and voltage breakdown value. Additionally, choosing the right resistor film is critical to ensure that the component is reliable and long-lasting.Overall, the 20J40R is an ideal resistor for home, commercial, and industrial applications. Its high impedance barrier and long-term reliability make it one of the most trusted through-hole resistors available on the market today.

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