RSMF1FT221R

Series:	RSMF
Packaging:	Tape & Reel (TR)
Part Status:	Active
Resistance:	221 Ohms
Tolerance:	±1%
Power (Watts):	1W
Composition:	Metal Oxide Film
Features:	Flame Proof, Safety
Temperature Coefficient:	±200ppm/°C
Operating Temperature:	-55°C ~ 200°C
Package / Case:	Axial
Supplier Device Package:	Axial
Size / Dimension:	0.126" Dia x 0.354" L (3.20mm x 9.00mm)
Height - Seated (Max):	--
Number of Terminations:	2
Failure Rate:	--

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Through hole resistors are electronic components that form an electrical connection when a current is applied. The most common through hole resistors are the metal-oxide film resistor, which is a metal element connected to a ceramic substrate. The metal-oxide film resistor is made of ceramic material, which is then covered with a thin layer of metal-oxide. The metal-oxide layer forms a resistive layer that restricts the flow of electrical current when a voltage is applied. Through hole resistors are used in a variety of applications, from sensitive instruments to low voltage amplifiers and even high-power sources.RSMF1FT221R application fields and working principle can be applied in various industrial fields. It can be used in the application of audio preamplifiers, power management, microprocessors, transimpedance amplifiers, audio power supplies, and as well as electrical protection and decoupling applications.The RSMF1FT221R working principle is based on the concept of resistive-capacitive (RC) networks, where the resistors and capacitors are grouped together in the form of a network. In this network, the current flow is restricted between the two nodes of the RC network, which produces a voltage drop across the resistor. This voltage drop is then measured by the connected device and used to calculate the resistance value of the resistor.The RSMF1FT221R works in a similar way to the standard metal-oxide film resistors. The metal-oxide layer is placed on a ceramic substrate, and a voltage is applied across the two terminals of the resistor. The resistor then releases a current as it restricts the flow of electricity, causing the voltage drop. The resistor is then measured by the connected device and a resistance value is determined.The RSMF1FT221R has several advantages over traditional metal-oxide film resistors. Firstly, it has the ability to reduce noise in sensitive circuits. Secondly, it can handle high frequencies without causing any distortion. Thirdly, the ceramic substrate is more resistant to thermal shock, making the resistor more reliable in applications where high levels of temperature fluctuation is an issue. Fourthly, the smaller size of the through hole resistor allows for greater versatility in PCB designs. Lastly, the design of the resistor protects it from vibration and vibration-sensitive devices.Overall, the RSMF1FT221R is a versatile component which can be implemented in a variety of industrial applications. Its robust design makes it highly reliable in high temperature environments, and its smaller size allows for versatility in its application. Its resistance capabilities and low noise output make it suitable for use in sensitive audio circuitry. Furthermore, its low price point and ease of installation make it a cost-effective option for designers.

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