Equivalent & Substitute Parts for EEE-1CA221P

Part Overview

The EEE-1CA221P is a 220 µF, 16 V aluminum electrolytic capacitor in surface mount radial can package manufactured by Panasonic Electronic Components. This part operates across -40°C to 85°C with a rated lifetime of 2000 hours at 85°C and carries AEC-Q200 automotive qualification. The product status is listed as Not For New Designs, making equivalent and substitute parts necessary for ongoing production and new design implementations.

Key Parameters

Parameter	Value
Capacitance	220 µF
Voltage Rating	16 V
Tolerance	±20%
Package Type	Radial, Can - SMD
Mounting Type	Surface Mount
Physical Size	0.315" Dia (8.00mm), Height 0.402" (10.20mm)
Operating Temperature Range	-40°C to 85°C
Lifetime @ Temperature	2000 Hrs @ 85°C
Polarization	Polar
RoHS Status	RoHS Compliant

Substitute Part Grouping Explanation

Substitution of the EEE-1CA221P is determined by the following criteria:

Primary Substitution Criteria (Must Match):

Capacitance: 220 µF
Voltage Rating: 16 V or higher
Tolerance: ±20%
Polarization: Polar
Package Type: Radial, Can - SMD
Mounting Type: Surface Mount
Physical footprint compatibility: 0.327" L x 0.327" W (8.30mm x 8.30mm) land size

Secondary Substitution Criteria (Allowable Variations):

Operating temperature range may extend beyond -40°C to 85°C
Lifetime at temperature may exceed 2000 Hrs @ 85°C
Height may vary within mechanical constraints (0.402" to 0.413")
ESR and ripple current specifications may differ based on series design

Parts are grouped into two categories: direct equivalents from the same S series with identical electrical and mechanical specifications, and higher-rated alternatives from FK, FT, TC, TG, TK, and TP series that maintain core compatibility while offering enhanced performance characteristics.

Parameter Comparison

Part Number	Manufacturer	Series	Capacitance	Voltage	Tolerance	Temp Range	Lifetime @ Temp	Height (Max)	Product Status	AEC-Q200
EEE-1CA221P	Panasonic	S	220 µF	16 V	±20%	-40°C ~ 85°C	2000 Hrs @ 85°C	0.402"	Not For New Designs	Yes
EEE-1CA221UAP	Panasonic	S	220 µF	16 V	±20%	-40°C ~ 85°C	1000 Hrs @ 85°C	0.402"	Active	Yes
EEE-FK1E221AP	Panasonic	FK	220 µF	25 V	±20%	-55°C ~ 105°C	2000 Hrs @ 105°C	0.413"	Active	Yes
EEE-FK1E221GP	Panasonic	FK	220 µF	25 V	±20%	-55°C ~ 105°C	5000 Hrs @ 105°C	0.413"	Active	Yes
EEE-FK1V221AP	Panasonic	FK	220 µF	35 V	±20%	-55°C ~ 105°C	2000 Hrs @ 105°C	0.413"	Active	Yes
EEE-FK1V221GP	Panasonic	FK	220 µF	35 V	±20%	-55°C ~ 105°C	5000 Hrs @ 105°C	0.413"	Active	Yes
EEE-FT1H221AP	Panasonic	FT	220 µF	50 V	±20%	-55°C ~ 105°C	2000 Hrs @ 105°C	0.413"	Active	Yes
EEE-TC1C221P	Panasonic	TC	220 µF	16 V	±20%	-40°C ~ 125°C	3000 Hrs @ 125°C	0.413"	Active	Yes
EEE-TG1C221UP	Panasonic	TG	220 µF	16 V	±20%	-40°C ~ 125°C	2000 Hrs @ 125°C	0.402"	Active	Yes
EEE-TK1C221UP	Panasonic	TK	220 µF	16 V	±20%	-40°C ~ 125°C	3000 Hrs @ 125°C	0.402"	Active	No
EEE-TP1C221AP	Panasonic	TP	220 µF	16 V	±20%	-40°C ~ 125°C	2000 Hrs @ 125°C	0.402"	Active	Yes

Engineering Selection Recommendations

Direct Equivalent (Same Voltage Rating):

EEE-1CA221UAP is the primary direct equivalent, maintaining identical 16 V voltage rating and ±20% tolerance with the same physical footprint. This part carries Active product status and AEC-Q200 qualification. The lifetime specification is reduced to 1000 Hrs @ 85°C compared to the original 2000 Hrs @ 85°C; this reduction is acceptable for applications where the original part's extended lifetime is not a design requirement.

Same Voltage with Enhanced Temperature Performance:

EEE-TC1C221P, EEE-TG1C221UP, and EEE-TP1C221AP maintain the 16 V rating while extending the operating temperature range to -40°C ~ 125°C. These parts are suitable for applications requiring higher temperature operation. EEE-TC1C221P and EEE-TP1C221AP carry AEC-Q200 qualification. Height increases from 0.402" to 0.413" for TC and TP series; verify PCB layout clearance before substitution.

Higher Voltage Ratings (Overvoltage Margin):

EEE-FK1E221AP, EEE-FK1E221GP, EEE-FK1V221AP, EEE-FK1V221GP, and EEE-FT1H221AP provide voltage ratings of 25 V, 35 V, and 50 V respectively. These parts are electrically compatible in circuits designed for 16 V operation and offer additional safety margin. All carry AEC-Q200 qualification and Active product status. Height increases to 0.413" for FK and FT series; verify mechanical fit in the PCB assembly.

General Purpose Alternative:

EEE-TK1C221UP maintains 16 V rating and identical physical dimensions but lacks AEC-Q200 qualification and is designated for General Purpose applications rather than Automotive. This part is suitable only for non-automotive applications.

Frequently Asked Questions (FAQ)

Q: Can EEE-1CA221UAP be used as a direct replacement for EEE-1CA221P?

A: Yes. Both parts share identical capacitance (220 µF), voltage rating (16 V), tolerance (±20%), operating temperature range (-40°C ~ 85°C), and physical footprint (0.327" L x 0.327" W land size). The primary difference is reduced lifetime specification (1000 Hrs @ 85°C versus 2000 Hrs @ 85°C). Substitution is valid when the application does not require the extended 2000-hour lifetime at 85°C.

Q: Can higher voltage-rated parts like EEE-FK1E221AP (25 V) replace the 16 V EEE-1CA221P?

A: Yes. Higher voltage-rated capacitors are electrically compatible in 16 V circuits. The 25 V, 35 V, and 50 V rated parts provide overvoltage margin and are suitable for direct substitution. Verify that the increased height (0.413" for FK and FT series versus 0.402" for the original) does not create mechanical interference on the PCB.

Q: What is the impact of using EEE-TC1C221P instead of EEE-1CA221P?

A: EEE-TC1C221P extends the operating temperature range to -40°C ~ 125°C and increases lifetime to 3000 Hrs @ 125°C. The physical height increases from 0.402" to 0.413". This substitution is beneficial for high-temperature applications but requires verification of PCB layout clearance.

Q: Why does EEE-TK1C221UP lack AEC-Q200 qualification?

A: EEE-TK1C221UP is designated for General Purpose applications rather than Automotive. It does not carry AEC-Q200 qualification. This part is not suitable for automotive applications requiring AEC-Q200 compliance.

Q: Are all substitute parts RoHS compliant?

A: All listed substitute parts carry ROHS3 Compliant status. The original EEE-1CA221P is RoHS Compliant. Both designations indicate compliance with RoHS directives.

Q: What is the significance of the different series designations (S, FK, FT, TC, TG, TK, TP)?

A: Series designations indicate different design families within Panasonic's aluminum electrolytic capacitor portfolio. Each series offers distinct performance characteristics including temperature ratings, lifetime specifications, and ESR values. Selection depends on the specific thermal and reliability requirements of the application.

Q: Can EEE-1CA221P be used in circuits requiring higher operating temperatures?

A: No. The EEE-1CA221P is rated for -40°C ~ 85°C operation. For applications requiring operation above 85°C, substitute with TC, TG, TP, FK, or FT series parts rated for -40°C ~ 105°C or -40°C ~ 125°C.

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