3 W Fixed Resistors 195

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Part	Manufacturer	Resistor Type	Mounting Type	Resistance	Rated Power Dissipation (P)	Maximum Operating Temperature	Tolerance	Rated Temperature	Technology	Construction	Packing Method	Size Code	No. of Terminals	Package Style (Meter)	Terminal Shape	Minimum Operating Temperature	Temperature Coef (ppm/Cel)	Terminal Finish	Height (Package)	Operating Voltage	Additional Features	Length (Package)	JESD-609 Code	Reference Standard	Width (Package)
CRA2512-FZ-R022ELF	Bourns	FIXED RESISTOR	SURFACE MOUNT	.022 ohm	3 W	170 Cel	1 %	70 Cel	METAL ALLOY	Rectangular	TR, Embossed, 7 Inch	2512	2	SMT	WRAPAROUND	-55 Cel	50		.7 mm			6.4 mm		AEC-Q200	3.2 mm
Y14730R00500B0R	Vishay Precision Group	FIXED RESISTOR	SURFACE MOUNT	.005 ohm	3 W	170 Cel	.1 %	70 Cel	METAL FOIL	Rectangular	TR	3637	4	SMT	WRAPAROUND	-65 Cel	5	TIN LEAD	.635 mm		ULTRA HIGH PRECISION	9.144 mm	e0		9.398 mm
CSR2512C0R04F	Riedon	FIXED RESISTOR	SURFACE MOUNT	.04 ohm	3 W	170 Cel	1 %	80 Cel	METAL STRIP	Rectangular	TR, Embossed	2512	2	SMT	WRAPAROUND	-55 Cel	50		.7 mm	.3464 V		6.4 mm			3.2 mm

Fixed Resistors

Fixed resistors are passive electronic components that are used to resist the flow of electric current in a circuit. They have a fixed value of resistance, meaning their resistance cannot be adjusted once they are manufactured. They are commonly used to set the bias of transistors, control the gain of amplifiers, or limit the current flowing through an LED. Fixed resistors come in various sizes, power ratings, and tolerances.

There are two types of fixed resistors: through-hole and surface mount. Through-hole resistors have leads that are inserted into holes on the printed circuit board (PCB), while surface mount resistors have terminals that are soldered directly to the surface of the PCB. Through-hole resistors are larger and easier to work with, but surface mount resistors are smaller and more suitable for miniaturized electronic devices.

Fixed resistors can be made from a variety of materials, including carbon, metal, and wire-wound. Carbon resistors are inexpensive and widely used, but they have a lower tolerance and are more susceptible to noise than other types. Metal film resistors have a higher tolerance and better stability, making them ideal for use in precision circuits. Wire-wound resistors have a higher power rating and are used in high power applications, such as power supplies and amplifiers.