EEE-1CA331AP Equivalent & Substitute Parts

Part Overview

The EEE-1CA331AP is a 330 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 is qualified to AEC-Q200 automotive standards. The product status is listed as Not For New Designs, making equivalent substitutes necessary for ongoing production and new design implementations.

Key Parameters

Parameter	Value
Capacitance	330 µF
Voltage Rating	16 V
Tolerance	±20%
Package Type	Radial, Can - SMD
Size / Dimension	0.394" Dia (10.00mm)
Height - Seated (Max)	0.402" (10.20mm)
Surface Mount Land Size	0.406" L x 0.406" W (10.30mm x 10.30mm)
Mounting Type	Surface Mount
Operating Temperature Range	-40°C ~ 85°C
Lifetime @ Temperature	2000 Hrs @ 85°C
Polarization	Polar
RoHS Status	RoHS Compliant
AEC-Q200 Rating	Yes

Substitute Part Grouping Explanation

Substitution of the EEE-1CA331AP is determined by the following criteria:

Primary Substitution Parameters:

Capacitance value: 330 µF (fixed requirement)
Tolerance: ±20% (fixed requirement)
Package type: Radial, Can - SMD (fixed requirement)
Physical dimensions: 0.394" Dia (10.00mm) with compatible height
Surface mount land size: 0.406" L x 0.406" W (10.30mm x 10.30mm)
Mounting type: Surface Mount (fixed requirement)
Polarization: Polar (fixed requirement)

Secondary Substitution Parameters (allowable variations):

Voltage rating: Equal to or greater than 16 V
Operating temperature range: Must encompass or exceed -40°C to 85°C
Lifetime rating: Equal to or greater than 2000 Hrs @ 85°C
ESR and ripple current: May vary based on application requirements
Product status: Active status preferred for new designs; Not For New Designs acceptable for legacy support

All substitute parts maintain identical capacitance, tolerance, package configuration, and mounting specifications while offering enhanced thermal performance, extended lifetime ratings, or improved electrical characteristics.

Parameter Comparison

Part Number	Capacitance	Voltage	Tolerance	Size (Dia)	Height (Max)	Operating Temp	Lifetime @ Temp	Product Status	RoHS	AEC-Q200
EEE-1CA331AP	330 µF	16 V	±20%	10.00mm	10.20mm	-40°C ~ 85°C	2000 Hrs @ 85°C	Not For New Designs	RoHS Compliant	Yes
EEE-1EA331P	330 µF	25 V	±20%	10.00mm	10.20mm	-40°C ~ 85°C	2000 Hrs @ 85°C	Not For New Designs	RoHS Compliant	Yes
EEE-FK1V331P	330 µF	35 V	±20%	10.00mm	10.50mm	-55°C ~ 105°C	2000 Hrs @ 105°C	Active	ROHS3 Compliant	Yes
EEE-FT1H331AP	330 µF	50 V	±20%	10.00mm	10.50mm	-55°C ~ 105°C	2000 Hrs @ 105°C	Active	ROHS3 Compliant	Yes
EEE-FT1H331GP	330 µF	50 V	±20%	10.00mm	10.50mm	-55°C ~ 105°C	5000 Hrs @ 105°C	Active	ROHS3 Compliant	Yes
EEE-TC1C331P	330 µF	16 V	±20%	10.00mm	10.50mm	-40°C ~ 125°C	3000 Hrs @ 125°C	Active	ROHS3 Compliant	Yes
EEE-TC1E331P	330 µF	25 V	±20%	10.00mm	10.50mm	-40°C ~ 125°C	3000 Hrs @ 125°C	Active	ROHS3 Compliant	Yes
EEE-TG1C331UP	330 µF	16 V	±20%	10.00mm	10.20mm	-40°C ~ 125°C	2000 Hrs @ 125°C	Active	ROHS3 Compliant	Yes
EEE-TG1E331UP	330 µF	25 V	±20%	10.00mm	10.20mm	-40°C ~ 125°C	2000 Hrs @ 125°C	Active	ROHS3 Compliant	Yes
EEE-TK1C331UP	330 µF	16 V	±20%	10.00mm	10.20mm	-40°C ~ 125°C	3000 Hrs @ 125°C	Active	ROHS3 Compliant	Yes
EEE-TK1E331UP	330 µF	25 V	±20%	10.00mm	10.20mm	-40°C ~ 125°C	3000 Hrs @ 125°C	Active	ROHS3 Compliant	Yes

Engineering Selection Recommendations

Direct Replacement (Same Voltage Rating - 16 V):

EEE-TC1C331P and EEE-TK1C331UP are direct functional replacements for the EEE-1CA331AP. Both maintain the 16 V voltage rating and 330 µF capacitance with identical package footprint. Both parts carry Active product status and ROHS3 compliance. EEE-TC1C331P offers 3000 hours lifetime at 125°C with extended operating temperature range (-40°C to 125°C). EEE-TK1C331UP provides equivalent 3000 hours lifetime at 125°C with identical thermal range. Both are AEC-Q200 qualified for automotive applications.

EEE-TG1C331UP is also compatible at 16 V rating with Active status and ROHS3 compliance, offering 2000 hours lifetime at 125°C across the extended temperature range.

Higher Voltage Ratings (Voltage Derating):

EEE-1EA331P (25 V), EEE-TC1E331P (25 V), EEE-TG1E331UP (25 V), and EEE-TK1E331UP (25 V) are suitable where circuit design permits voltage derating. These parts maintain identical capacitance and package dimensions while providing increased voltage margin. Active status parts (TC, TG, TK series) offer extended thermal performance compared to the Not For New Designs status of the original part.

EEE-FK1V331P (35 V), EEE-FT1H331AP (50 V), and EEE-FT1H331GP (50 V) provide maximum voltage derating capability. EEE-FT1H331GP offers the highest reliability with 5000 hours lifetime at 105°C and Active product status.

Selection Criteria:

For legacy system support requiring exact electrical equivalence, select EEE-TC1C331P or EEE-TK1C331UP. For new designs, any Active status part from the TC, TG, TK, FK, or FT series meets current manufacturing standards. Higher voltage rated parts are acceptable where circuit topology permits and provide enhanced reliability margins.

Frequently Asked Questions (FAQ)

Q: Can I use a higher voltage rated capacitor as a substitute?

A: Yes. A capacitor rated for higher voltage than the original specification is electrically compatible. The EEE-1CA331AP requires minimum 16 V rating; any substitute rated 16 V or higher is acceptable. Higher voltage ratings provide additional safety margin and do not degrade circuit performance.

Q: Are all substitute parts pin-compatible with the original EEE-1CA331AP?

A: All listed substitutes maintain identical surface mount land size (0.406" L x 0.406" W / 10.30mm x 10.30mm) and radial can SMD package configuration. Physical height varies slightly between series: EEE-1CA, EEE-1EA, EEE-TG, and EEE-TK series measure 10.20mm maximum height; EEE-FK and EEE-FT series measure 10.50mm maximum height. Verify PCB clearance for taller variants.

Q: What is the difference between Active and Not For New Designs product status?

A: Not For New Designs indicates the manufacturer no longer recommends the part for new circuit designs, though existing inventory remains available. Active status indicates the manufacturer actively supports the part for both new and existing applications. For new designs, select Active status parts such as EEE-TC1C331P, EEE-TK1C331UP, EEE-FK1V331P, or EEE-FT1H331GP.

Q: Do all substitutes maintain AEC-Q200 automotive qualification?

A: Yes. All listed substitute parts carry AEC-Q200 qualification, confirming suitability for automotive applications. The original EEE-1CA331AP and all substitutes meet this automotive reliability standard.

Q: Which substitute offers the longest operational lifetime?

A: EEE-FT1H331GP provides the longest rated lifetime at 5000 hours at 105°C. This part is rated 50 V and carries Active product status with ROHS3 compliance.

Q: Can I substitute based on ESR or ripple current specifications?

A: ESR and ripple current values vary across the substitute series. Selection based on these parameters requires circuit-level analysis of the specific application. All listed parts maintain the same 330 µF capacitance and ±20% tolerance, which are the primary electrical parameters for general substitution. Consult detailed datasheets for ESR and ripple current requirements specific to your application.

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