MFP1WSBRD52-40K

Series:	MFP
Packaging:	Tape & Reel (TR)
Part Status:	Active
Resistance:	40 kOhms
Tolerance:	±0.1%
Power (Watts):	1W
Composition:	Metal Film
Features:	--
Temperature Coefficient:	±25ppm/°C
Operating Temperature:	-55°C ~ 155°C
Package / Case:	Axial
Supplier Device Package:	Axial
Size / Dimension:	0.130" Dia x 0.354" L (3.30mm x 9.00mm)
Height - Seated (Max):	--
Number of Terminations:	2

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Introduction

Through Hole Resistors (THRs) are amongst the well established components used in power and control systems. They are based on a resistance concept, where a small resistance element is exposed to a current flow. When a current flows through the resistor, a voltage is produced across the resistor. A THR is designed to limit the amount of current flowing through a certain circuit or device. It is also known as a shunt resistor, protector resistor, current limiter, and in some cases, an impedance.Generally, a THR consists of a ceramic, polyester, polystyrene or similar material (called the \'dope material\') on which a thin metal oxide wire is wound or due to core (carbon or metal) depending on the requirement. This wire is then coated with a small amount of elective coating applied, which determines the resistivity of the resistor. In the case of metal oxide wire, the resistive element can be changed by varying the amount of oxide coating. Additionally, the resistive element could be changed by using different types of wire, such as stainless steel, copper, tungsten or other alloys.

MFP1WSBRD52-40K THR

The MFP1WSBRD52-40K is a THR that offers very low resistance with high power ratings. It is also known as a ‘diverting resistor\', where the main use is to divert the current from one circuit to another. It implements a wide range of resistive values, up to 40K ohms, and is designed to be used in both high and low power systems. This THR includes a pair of leads that are connected to the outermost layer of the resistor. The MFP1WSBRD52-40K is ideal for situations where a low value resistor is needed to protect a power transistor or integrated circuit from damage due to excessive current. It is well suited to provide current limiting in AC power circuits, as well as a low resistance shunt to sense current flow. The MFP1WSBRD52-40K THR provides reliable resistance that is temperature stable and able to withstand thermal shock conditions. In addition, the MFP1WSBRD52-40K THR is designed using an efficient contact process, providing a very low contact resistance. The core is epoxy-coated for increased durability and long-term reliability. It also provides increased overload protection from voltage-induced noise problems.

Application Field and Working Principle

The MFP1WSBRD52-40K THR is most commonly used in AC power circuits and low power systems, or for sensing current flow. It is an ideal solution for applications that are limited by size or current capacity. It is designed to provide consistent resistive values, up to 40K ohms, as well as to reduce thermal shock and overload protection.The THR is designed to function by controlling the current flow through a given circuit. The resistance element acts as a barrier between the circuit\'s power source and the device being protected. This allows for a reduction of current flow, and therefore, the voltage drop across the circuit can be limited. The result is a reduction of the voltage to a safe level, which prevents damage from current overload.Furthermore, the MFP1WSBRD52-40K THR also provides very low contact resistance. This ensures that the current is quickly switched through the resistor, without the need for additional circuitry. The contact resistance also prevents thermal drift or drift in resistance values due to temperature changes.In conclusion, the MFP1WSBRD52-40K THR is an effective way to provide low resistance with high power ratings, as well as to protect sensitive devices from voltage-induced noise and other power-based issues. It is designed to deliver reliable resistance that is temperature stable and able to withstand thermal shock conditions. The core of the THR is also epoxy-coated for increased durability, ensuring its long-term reliability.

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