220 uF Fixed Capacitors 1,212

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Part	Manufacturer	Capacitor Type	Mounting Feature	Capacitance	Rated DC Voltage (URdc)	Maximum Operating Temperature	Dielectric Material	Tan Delta	Minimum Operating Temperature	Temperature Coef (ppm/Cel)	Terminal Finish	Leakage Current (mA)	Package Shape	Polarity	Height	Width	Ripple Current (mA)	Diameter	Multi-layer	Equivalent Series Resistance / ESR (mohm )	Additional Features	Packing Method	Size Code	JESD-609 Code	No. of Terminals	Package Style (Meter)	Length	Terminal Shape	Positive Tolerance	Temperature Characteristics Code	Reference Standard	Negative Tolerance	Terminal Pitch
M39006/250248	Cornell Dubilier Electronics	TANTALUM CAPACITOR	THROUGH HOLE MOUNT	220 uF	75 V	125 Cel	TANTALUM (WET)	0.37	-55 Cel			.01	TUBULAR PACKAGE	POLARIZED			702								2			WIRE	10 %		MIL-C-39006/25	10 %
M39006/25-0248	Vishay Intertechnology	TANTALUM CAPACITOR	THROUGH HOLE MOUNT	220 uF	75 V	125 Cel	TANTALUM (WET)	0.37	-55 Cel		TIN LEAD	0.01	TUBULAR PACKAGE	POLARIZED			486	9.53 mm			RIPPLE CURRENT IS MEASURED AT 40KHZ, 85CEL			e0	2	Axial	26.97 mm	WIRE	10 %		MIL-PRF-39006/25	10 %
M39006/250220	Cornell Dubilier Electronics	TANTALUM CAPACITOR	THROUGH HOLE MOUNT	220 uF	30 V	125 Cel	TANTALUM (WET)	0.42	-55 Cel			.003	TUBULAR PACKAGE	POLARIZED			468								2			WIRE	10 %		MIL-C-39006/25	10 %
M39006/25-0220	Vishay Intertechnology	TANTALUM CAPACITOR	THROUGH HOLE MOUNT	220 uF	30 V	125 Cel	TANTALUM (WET)	0.42	-55 Cel		TIN LEAD	0.003	TUBULAR PACKAGE	POLARIZED			324	7.14 mm			RIPPLE CURRENT IS MEASURED AT 40KHZ, 85CEL			e0	2	Axial	16.28 mm	WIRE	10 %		MIL-PRF-39006/25	10 %
EEEFK1H221P	Panasonic	ALUMINUM ELECTROLYTIC CAPACITOR	SURFACE MOUNT	220 uF	50 V	105 Cel	ALUMINUM (WET)	0.10	-55 Cel		Tin/Bismuth (Sn/Bi)	0.11	CYLINDRICAL PACKAGE	POLARIZED	10.2 mm	10.3 mm	502.5	10 mm				TR, EMBOSSED, 15 INCH	4141	e6	2	SMT	10.3 mm	FLAT	20 %		AEC-Q200	20 %
UUD1H221MNL1GS	Nichicon	ALUMINUM ELECTROLYTIC CAPACITOR	SURFACE MOUNT	220 uF	50 V	105 Cel	ALUMINUM (WET)	0.14	-55 Cel		Tin/Bismuth (Sn/Bi)	.11	CYLINDRICAL PACKAGE	POLARIZED	10 mm	10.3 mm	335	10 mm				TAPE	4141	e6	2	SMT	10.3 mm	FLAT	20 %		AEC-Q200	20 %
M39006/25-0072	Vishay Intertechnology	TANTALUM CAPACITOR	THROUGH HOLE MOUNT	220 uF	75 V	125 Cel	TANTALUM (WET)	0.37	-55 Cel		TIN LEAD	0.01	TUBULAR PACKAGE	POLARIZED			486	9.53 mm			RIPPLE CURRENT IS MEASURED AT 40KHZ, 85CEL			e0	2	Axial	26.97 mm	WIRE	10 %		MIL-PRF-39006/25	10 %
M39006/250072	Cornell Dubilier Electronics	TANTALUM CAPACITOR	THROUGH HOLE MOUNT	220 uF	75 V	125 Cel	TANTALUM (WET)	0.37	-55 Cel			.01	TUBULAR PACKAGE	POLARIZED			702								2			WIRE	10 %		MIL-C-39006/25	10 %
EEEFK1V221P	Panasonic	ALUMINUM ELECTROLYTIC CAPACITOR	SURFACE MOUNT	220 uF	35 V	105 Cel	ALUMINUM (WET)	0.12	-55 Cel		Tin/Bismuth (Sn/Bi)	0.077	CYLINDRICAL PACKAGE	POLARIZED	10.2 mm	8.3 mm	450	8 mm				TR, EMBOSSED, 15 INCH	3333	e6	2	SMT	8.3 mm	FLAT	20 %		AEC-Q200	20 %
EEEFTE221XAP	Panasonic	ALUMINUM ELECTROLYTIC CAPACITOR	SURFACE MOUNT	220 uF	25 V	105 Cel	ALUMINUM (WET)	0.14	-55 Cel			0.055	CYLINDRICAL PACKAGE	POLARIZED	7.7 mm	6.6 mm	390			160	ESR IS MEASURED AT 100KHZ	TR, EMBOSSED, 15 INCH	2626		2	SMT	6.6 mm	FLAT	20 %		AEC-Q200	20 %
EEEFT1H221AP	Panasonic	ALUMINUM ELECTROLYTIC CAPACITOR	SURFACE MOUNT	220 uF	50 V	105 Cel	ALUMINUM (WET)	0.1	-55 Cel			0.11	CYLINDRICAL PACKAGE	POLARIZED	10.2 mm	8.3 mm	435.5			180	ESR IS MEASURED AT 100KHZ	TR, EMBOSSED, 15 INCH	3333		2	SMT	8.3 mm	FLAT	20 %		AEC-Q200	20 %
EEVFK1J221Q	Panasonic	ALUMINUM ELECTROLYTIC CAPACITOR	SURFACE MOUNT	220 uF	63 V	105 Cel	ALUMINUM (WET)	0.08	-55 Cel		TIN	0.1386	CYLINDRICAL PACKAGE	POLARIZED	13.5 mm	13.5 mm	600	12.5 mm				TR, EMBOSSED, 13 INCH	5353	e3	2	SMT	13.5 mm	FLAT	20 %		AEC-Q200	20 %
M39006/21-0159	Vishay Intertechnology	TANTALUM CAPACITOR	THROUGH HOLE MOUNT	220 uF	75 V	125 Cel	TANTALUM (WET)	0.37	-55 Cel		TIN LEAD	0.01	TUBULAR PACKAGE	POLARIZED				9.53 mm						e0	2	Axial	26.97 mm	WIRE	20 %		MIL-PRF-39006/21	20 %
SEK221M035ST	Cornell Dubilier Electronics	ALUMINUM ELECTROLYTIC CAPACITOR	THROUGH HOLE MOUNT	220 uF	35 V	105 Cel	ALUMINUM (WET)	0.14	-55 Cel		TIN	0.077	CYLINDRICAL PACKAGE	POLARIZED			315	10 mm		840				e3	2	Radial	13 mm	WIRE	20 %			20 %	5 mm
MAL202137221E3	Vishay Intertechnology	ALUMINUM ELECTROLYTIC CAPACITOR	THROUGH HOLE MOUNT	220 uF	40 V	85 Cel	ALUMINUM (WET)	0.11	-40 Cel		MATTE TIN	0.022	TUBULAR PACKAGE	POLARIZED			330	10 mm	No	800		AMMO PACK		e3	2	Axial	18 mm	WIRE	20 %			20 %
EEEFP1V221AP	Panasonic	ALUMINUM ELECTROLYTIC CAPACITOR	SURFACE MOUNT	220 uF	35 V	105 Cel	ALUMINUM (WET)	0.12	-55 Cel		Tin/Bismuth (Sn/Bi)	0.077	CYLINDRICAL PACKAGE	POLARIZED	10.2 mm	8.3 mm	552.5	8 mm		80	ESR IS MEASURED AT 100KHZ	TR, EMBOSSED, 15 INCH	3333	e6	2	SMT	8.3 mm	WIRE	20 %		AEC-Q200	20 %
UCD1H221MNL1GS	Nichicon	ALUMINUM ELECTROLYTIC CAPACITOR	SURFACE MOUNT	220 uF	50 V	105 Cel	ALUMINUM (WET)	0.10	-55 Cel		TIN BISMUTH	0.11	CYLINDRICAL PACKAGE	POLARIZED	10 mm	10.3 mm	350	10 mm				TR, 15 INCH	4141	e6	2	SMT	10.3 mm	FLAT	20 %		AEC-Q200	20 %
REA221M1ABK-0611P	Lelon Electronics	ALUMINUM ELECTROLYTIC CAPACITOR		220 uF	10 V	85 Cel	ALUMINUM (WET)		-40 Cel					POLARIZED			250	6.3 mm				Bulk			2	Radial	11 mm		20 %			20 %	2.5 mm
UWT1V221MNL1GS	Nichicon	ALUMINUM ELECTROLYTIC CAPACITOR	SURFACE MOUNT	220 uF	35 V	105 Cel	ALUMINUM (WET)	0.14	-55 Cel		TIN BISMUTH	.077	CYLINDRICAL PACKAGE	POLARIZED	10 mm	8.3 mm	190	8 mm				TAPE	3333	e6	2	SMT	8.3 mm	ONE SURFACE	20 %		AEC-Q200	20 %
GRM31CR60J227ME11L	Murata Manufacturing	CERAMIC CAPACITOR	SURFACE MOUNT	220 uF	6.3 V	85 Cel	CERAMIC		-55 Cel	15%	MATTE TIN OVER NICKEL		RECTANGULAR PACKAGE		1.6 mm	1.6 mm			Yes			TR, EMBOSSED, 7 INCH	1206	e3	2	SMT	3.2 mm	WRAPAROUND	20 %	X5R		20 %
10TPB220M	Panasonic	TANTALUM CAPACITOR	SURFACE MOUNT	220 uF	10 V	105 Cel	TANTALUM (SOLID POLYMER)	0.1	-55 Cel		Copper/Nickel/Palladium/Gold (Cu/Ni/Pd/Au)	0.22	RECTANGULAR PACKAGE	POLARIZED	3.8 mm	4.3 mm	3000			40	ESR IS MEASURED AT 100 KHZ, RIPPLE CURRENT IS MEASURED AT 100KHZ, 45CEL	TR, EMBOSSED, 13 INCH	2917		2	SMT	7.3 mm	J BEND	20 %			20 %
EEEHD1V221AP	Panasonic	ALUMINUM ELECTROLYTIC CAPACITOR	SURFACE MOUNT	220 uF	35 V	105 Cel	ALUMINUM (WET)	0.14	-40 Cel			0.077	CYLINDRICAL PACKAGE	POLARIZED	10.2 mm	10.3 mm	220	10 mm				TR, EMBOSSED, 15 INCH	4141		2	SMT	10.3 mm	FLAT	20 %		AEC-Q200	20 %
EEEFK1H221GP	Panasonic	ALUMINUM ELECTROLYTIC CAPACITOR	SURFACE MOUNT	220 uF	50 V	105 Cel	ALUMINUM (WET)	0.10	-55 Cel			0.11	CYLINDRICAL PACKAGE	POLARIZED	10.2 mm	10.3 mm	502.5	10 mm				TR, EMBOSSED, 15 INCH	4141		2	SMT	10.3 mm	FLAT	20 %		AEC-Q200	20 %
EEEFK1J221AQ	Panasonic	ALUMINUM ELECTROLYTIC CAPACITOR	SURFACE MOUNT	220 uF	63 V	105 Cel	ALUMINUM (WET)	0.10	-55 Cel		Tin (Sn)	0.1386	CYLINDRICAL PACKAGE	POLARIZED	13.5 mm	13.5 mm	600	12.5 mm				TR, EMBOSSED, 13 INCH	5353	e3	2	SMT	13.5 mm	FLAT	20 %		AEC-Q200	20 %
UWT1H221MNL1GS	Nichicon	ALUMINUM ELECTROLYTIC CAPACITOR	SURFACE MOUNT	220 uF	50 V	105 Cel	ALUMINUM (WET)	0.14	-55 Cel		Tin/Bismuth (Sn/Bi)	.11	CYLINDRICAL PACKAGE	POLARIZED	10 mm	10.3 mm	220	10 mm				TAPE	4141	e6	2	SMT	10.3 mm	ONE SURFACE	20 %		AEC-Q200	20 %
TAJD227K010RNJ	KYOCERA AVX	TANTALUM CAPACITOR	SURFACE MOUNT	220 uF	10 V	125 Cel	TANTALUM (DRY/SOLID)	0.08	-55 Cel		Matte Tin (Sn) - with Nickel (Ni) barrier	0.022	RECTANGULAR PACKAGE	POLARIZED	2.9 mm	4.3 mm	219			500	ESR AND RIPPLE CURRENT IS MEASURED AT 100KHZ	TR, PLASTIC, 7 INCH	2917	e3	2	SMT	7.3 mm	J BEND	10 %			10 %
6TPE220MAZB	Panasonic	TANTALUM CAPACITOR	SURFACE MOUNT	220 uF	6.3 V	105 Cel	TANTALUM (SOLID POLYMER)	0.10	-55 Cel		PALLADIUM GOLD	0.1386	RECTANGULAR PACKAGE	POLARIZED	1.9 mm	2.8 mm	1400			35	ESR IS MEASURED AT 100 KHZ, RIPPLE CURRENT IS MEASURED AT 100 KHZ AND 45CEL	TR, Embossed, 7 Inch	1411	e4	2	SMT	3.5 mm	J BEND	20 %			20 %
EEUFC1V221	Panasonic	ALUMINUM ELECTROLYTIC CAPACITOR	THROUGH HOLE MOUNT	220 uF	35 V	105 Cel	ALUMINUM (WET)	0.12	-55 Cel		TIN COPPER	0.077	CYLINDRICAL PACKAGE	POLARIZED			490.75	10 mm				BULK		e2	2	Radial	12.5 mm	WIRE	20 %		AEC-Q200	20 %	5 mm
EEEFP1H221AP	Panasonic	ALUMINUM ELECTROLYTIC CAPACITOR	SURFACE MOUNT	220 uF	50 V	105 Cel	ALUMINUM (WET)	0.10	-55 Cel		Tin/Bismuth (Sn/Bi)	0.11	CYLINDRICAL PACKAGE	POLARIZED	10.2 mm	10.3 mm	585	10 mm		120	ESR IS MEASURED AT 100KHZ	TR, EMBOSSED, 15 INCH	4141	e6	2	SMT	10.3 mm	WIRE	20 %		AEC-Q200	20 %
EEUFC1V221L	Panasonic	ALUMINUM ELECTROLYTIC CAPACITOR	THROUGH HOLE MOUNT	220 uF	35 V	105 Cel	ALUMINUM (WET)	0.12	-55 Cel		TIN COPPER	0.077	CYLINDRICAL PACKAGE	POLARIZED			474.5	8 mm				BULK		e2	2	Radial	15 mm	WIRE	20 %		AEC-Q200	20 %	3.5 mm
UCW1H221MNL1GS	Nichicon	ALUMINUM ELECTROLYTIC CAPACITOR	SURFACE MOUNT	220 uF	50 V	105 Cel	ALUMINUM (WET)	0.14	-25 Cel		Tin/Bismuth (Sn/Bi)	.11	CYLINDRICAL PACKAGE	POLARIZED	10 mm	10.3 mm	335	10 mm				TAPE	4141	e6	2	SMT	10.3 mm	FLAT	20 %		AEC-Q200	20 %
EEUFR1H221	Panasonic	ALUMINUM ELECTROLYTIC CAPACITOR	THROUGH HOLE MOUNT	220 uF	50 V	105 Cel	ALUMINUM (WET)	0.1	-40 Cel		TIN	0.11	CYLINDRICAL PACKAGE	POLARIZED			1155	10 mm				BULK		e3	2	Radial	16 mm	WIRE	20 %			20 %	5 mm
SK221M025ST	Cornell Dubilier Electronics	ALUMINUM ELECTROLYTIC CAPACITOR	THROUGH HOLE MOUNT	220 uF	25 V	85 Cel	ALUMINUM (WET)	0.14	-40 Cel		TIN	0.055	CYLINDRICAL PACKAGE	POLARIZED			320	8 mm		840				e3	2	Radial	11.5 mm	WIRE	20 %			20 %	3.5 mm
T491D227K016AT	KEMET Corporation	TANTALUM CAPACITOR	SURFACE MOUNT	220 uF	16 V	125 Cel	TANTALUM (DRY/SOLID)	0.15	-55 Cel		MATTE TIN OVER NICKEL	.0352	RECTANGULAR PACKAGE	POLARIZED	2.8 mm	4.3 mm	163.2			900	ESR AND RIPPLE CURRENT IS MEASURED AT 100KHZ	TR, 7 INCH	2917	e3	2	SMT	7.3 mm	J BEND	10 %			10 %	1.3 mm
MAL202136221E3	Vishay Intertechnology	ALUMINUM ELECTROLYTIC CAPACITOR	THROUGH HOLE MOUNT	220 uF	25 V	85 Cel	ALUMINUM (WET)	0.14	-40 Cel		MATTE TIN	0.015	TUBULAR PACKAGE	POLARIZED			250	6.5 mm	No	1000		AMMO PACK		e3	2	Axial	18 mm	WIRE	20 %			20 %
EEEFK1C221XP	Panasonic	ALUMINUM ELECTROLYTIC CAPACITOR	SURFACE MOUNT	220 uF	16 V	105 Cel	ALUMINUM (WET)	0.16	-55 Cel		Tin/Bismuth (Sn/Bi)	0.0352	CYLINDRICAL PACKAGE	POLARIZED	7.7 mm	6.6 mm	210	6.3 mm				TR, EMBOSSED, 15 INCH	2626	e6	2	SMT	6.6 mm	FLAT	20 %		AEC-Q200	20 %
RTQ-25V221MH10UQ-R2	Taiyo Yuden	ALUMINUM ELECTROLYTIC CAPACITOR	SURFACE MOUNT	220 uF	25 V	150 Cel	ALUMINUM (WET)	0.16	-40 Cel			.11	CYLINDRICAL PACKAGE	POLARIZED			160			400		TAPE, EMBOSSED	4141		2			FLAT	20 %		AEC-Q200	20 %
UUD1V221MNL1GS	Nichicon	ALUMINUM ELECTROLYTIC CAPACITOR	SURFACE MOUNT	220 uF	35 V	105 Cel	ALUMINUM (WET)	0.14	-55 Cel		Tin/Bismuth (Sn/Bi)	.077	CYLINDRICAL PACKAGE	POLARIZED	10 mm	8.3 mm	225	8 mm				TAPE	3333	e6	2	SMT	8.3 mm	FLAT	20 %		AEC-Q200	20 %
T491D227K010AT	KEMET Corporation	TANTALUM CAPACITOR	SURFACE MOUNT	220 uF	10 V	125 Cel	TANTALUM (DRY/SOLID)	0.08	-55 Cel		MATTE TIN OVER NICKEL	0.022		POLARIZED	2.8 mm	4.3 mm	219			500	ESR AND RIPPLE CURRENT IS MEASURED AT 100KHZ	TR, EMBOSSED PLASTIC, 7 INCH	2917	e3	2	SMT	7.3 mm	J BEND	10 %			10 %
T491D227K016AT7280	KEMET Corporation	TANTALUM CAPACITOR	SURFACE MOUNT	220 uF	16 V	125 Cel	TANTALUM (DRY/SOLID)	0.15	-55 Cel		MATTE TIN OVER NICKEL	0.0352	RECTANGULAR PACKAGE	POLARIZED	2.8 mm	4.3 mm	163			900	ESR AND RIPPLE CURRENT IS MEASURED AT 100KHZ	TR, EMBOSSED PLASTIC, 13 INCH	2917	e3	2	SMT	7.3 mm	J BEND	10 %			10 %
EEEFK1V221GP	Panasonic	ALUMINUM ELECTROLYTIC CAPACITOR	SURFACE MOUNT	220 uF	35 V	105 Cel	ALUMINUM (WET)	0.12	-55 Cel			0.077	CYLINDRICAL PACKAGE	POLARIZED	10.2 mm	8.3 mm	450	8 mm				TR, EMBOSSED, 15 INCH	3333		2	SMT	8.3 mm	FLAT	20 %		AEC-Q200	20 %
EEEFK1V221AP	Panasonic	ALUMINUM ELECTROLYTIC CAPACITOR	SURFACE MOUNT	220 uF	35 V	105 Cel	ALUMINUM (WET)	0.12	-55 Cel		Tin/Bismuth (Sn/Bi)	0.077	CYLINDRICAL PACKAGE	POLARIZED	10.2 mm	8.3 mm	390	8 mm				TR, EMBOSSED, 15 INCH	3333	e6	2	SMT	8.3 mm	FLAT	20 %		AEC-Q200	20 %
EEEFPC221XAP	Panasonic	ALUMINUM ELECTROLYTIC CAPACITOR	SURFACE MOUNT	220 uF	16 V	105 Cel	ALUMINUM (WET)	0.16	-55 Cel		Tin (Sn)	0.0352	CYLINDRICAL PACKAGE	POLARIZED	7.7 mm	6.6 mm	390	6.3 mm		160	ESR IS MEASURED AT 100KHZ	TR, EMBOSSED, 15 INCH	2626	e3	2	SMT	6.6 mm	WIRE	20 %		AEC-Q200	20 %
EEE1VA221UP	Panasonic	ALUMINUM ELECTROLYTIC CAPACITOR	SURFACE MOUNT	220 uF	35 V	85 Cel	ALUMINUM (WET)	0.14	-40 Cel			0.077	CYLINDRICAL PACKAGE	POLARIZED	10.2 mm	8.3 mm	200	8 mm				TR, EMBOSSED, 15 INCH	3333		2	SMT	8.3 mm	FLAT	20 %		AEC-Q200	20 %
EEEFK1C221P	Panasonic	ALUMINUM ELECTROLYTIC CAPACITOR	SURFACE MOUNT	220 uF	16 V	105 Cel	ALUMINUM (WET)	0.16	-55 Cel			0.0352	CYLINDRICAL PACKAGE	POLARIZED	6.2 mm	8.3 mm	225	8 mm				TR, EMBOSSED, 15 INCH	3333		2	SMT	8.3 mm	FLAT	20 %		AEC-Q200	20 %
TAJD227K010RNJV	KYOCERA AVX	TANTALUM CAPACITOR	SURFACE MOUNT	220 uF	10 V	125 Cel	TANTALUM (DRY/SOLID)	0.08	-55 Cel		Matte Tin (Sn) - with Nickel (Ni) barrier	0.022	RECTANGULAR PACKAGE	POLARIZED	2.9 mm	4.3 mm	219			500	ESR AND RIPPLE CURRENT IS MEASURED AT 100KHZ	TR, PLASTIC, 7 INCH	2917	e3	2	SMT	7.3 mm	J BEND	10 %			10 %
EEHZA1E221P	Panasonic	ALUMINUM ELECTROLYTIC CAPACITOR	SURFACE MOUNT	220 uF	25 V	105 Cel	ALUMINUM (SOLID POLYMER)	0.14	-55 Cel			0.055	CYLINDRICAL PACKAGE	POLARIZED	10.2 mm	8.3 mm	345	8 mm		27	ESR IS MEASURED AT 100KHZ	TR, EMBOSSED, 15 INCH	3333		2	SMT	8.3 mm	FLAT	20 %		AEC-Q200	20 %
UHE1V221MPD6TD	Nichicon	ALUMINUM ELECTROLYTIC CAPACITOR	THROUGH HOLE MOUNT	220 uF	35 V	105 Cel	ALUMINUM (WET)	0.12	-40 Cel		MATTE TIN	.077	CYLINDRICAL PACKAGE	POLARIZED			605.5	10 mm				AMMO PACK		e3	2	Radial	12.5 mm	WIRE	20 %			20 %	5 mm

Fixed Capacitors

Fixed capacitors are electronic components that have a fixed capacitance value that cannot be changed. They are used in electronic circuits to provide a specific capacitance value for a given application.

Fixed capacitors are made using a variety of dielectric materials, including ceramic, tantalum, aluminum electrolytic, polyester, and polypropylene. The choice of dielectric material depends on the specific requirements of the application, such as operating voltage, temperature range, and stability.

Fixed capacitors are available in a variety of shapes and sizes, such as through-hole, surface mount, and leaded types. They can also be classified based on their operating voltage, tolerance, and temperature coefficient.

Some common applications of fixed capacitors include decoupling, filtering, timing, and coupling circuits. In decoupling circuits, fixed capacitors are used to filter out unwanted high-frequency noise and ensure stable power supply operation. In timing circuits, fixed capacitors are used to set the time constant and determine the frequency of oscillation.

One of the main advantages of fixed capacitors is their stable capacitance value, which does not change over time or with changes in operating conditions. This makes them suitable for applications that require consistent and predictable performance.