Equivalent & Substitute Parts for EEE-1AA331P

Part Overview

The EEE-1AA331P is a 330 µF, 10 V aluminum electrolytic capacitor in surface mount radial can package manufactured by Panasonic Electronic Components. This part is rated for 2000 hours at 85°C and carries AEC-Q200 automotive qualification. The product status is Not For New Designs, making substitute parts necessary for ongoing production and new design implementations. Equivalent and substitute parts maintain the same capacitance and tolerance while offering improved thermal performance, extended lifetime ratings, or higher voltage ratings within the same physical package footprint.

Key Parameters

Parameter	Value
Capacitance	330 µF
Tolerance	±20%
Voltage Rating	10 V
Package Type	Radial, Can - SMD
Size / Dimension	0.315" Dia (8.00mm)
Height - Seated (Max)	0.402" (10.20mm)
Surface Mount Land Size	0.327" L x 0.327" W (8.30mm x 8.30mm)
Mounting Type	Surface Mount
Polarization	Polar
RoHS Status	RoHS Compliant
Ratings	AEC-Q200

Substitute Part Grouping Explanation

Substitution of the EEE-1AA331P is determined by the following criteria:

Primary Substitution Parameters:

Capacitance: 330 µF (exact match required)
Tolerance: ±20% (exact match required)
Package / Case: Radial, Can - SMD (exact match required)
Size / Dimension: 0.315" Dia (8.00mm) (exact match required)
Surface Mount Land Size: 0.327" L x 0.327" W (8.30mm x 8.30mm) (exact match required)
Mounting Type: Surface Mount (exact match required)
Polarization: Polar (exact match required)

Secondary Substitution Parameters (Allowable Variations):

Voltage Rating: Equal to or greater than 10 V
Operating Temperature: Equal to or greater than the original range (-40°C ~ 85°C)
Lifetime @ Temperature: Equal to or greater than 2000 Hrs @ 85°C
Product Status: Active preferred over Not For New Designs
RoHS Status: RoHS3 Compliant acceptable as upgrade from RoHS Compliant

Substitute parts are grouped by voltage rating (10 V, 16 V, 25 V, 35 V) and thermal performance characteristics (operating temperature range and lifetime rating at elevated temperatures).

Parameter Comparison

Part Number	Series	Capacitance	Voltage	Tolerance	Operating Temp	Lifetime @ Temp	Product Status	Height (Max)	Packaging
EEE-1AA331P	S	330 µF	10 V	±20%	-40°C ~ 85°C	2000 Hrs @ 85°C	Not For New Designs	0.402" (10.20mm)	Tape & Reel
EEE-FK1A331AP	FK	330 µF	10 V	±20%	-55°C ~ 105°C	2000 Hrs @ 105°C	Active	0.413" (10.50mm)	Tape & Reel
EEE-FK1A331GP	FK	330 µF	10 V	±20%	-55°C ~ 105°C	5000 Hrs @ 105°C	Active	0.413" (10.50mm)	Tape & Reel
EEE-FK1C331AP	FK	330 µF	16 V	±20%	-55°C ~ 105°C	2000 Hrs @ 105°C	Active	0.413" (10.50mm)	Tape & Reel
EEE-FK1C331GP	FK	330 µF	16 V	±20%	-55°C ~ 105°C	5000 Hrs @ 105°C	Active	0.413" (10.50mm)	Tape & Reel
EEE-FK1E331AP	FK	330 µF	25 V	±20%	-55°C ~ 105°C	2000 Hrs @ 105°C	Active	0.413" (10.50mm)	Tape & Reel
EEE-FK1E331GP	FK	330 µF	25 V	±20%	-55°C ~ 105°C	5000 Hrs @ 105°C	Active	0.413" (10.50mm)	Tape & Reel
EEE-FT1V331AP	FT	330 µF	35 V	±20%	-55°C ~ 105°C	2000 Hrs @ 105°C	Active	0.413" (10.50mm)	Tape & Reel
EEE-TG1A331UP	TG	330 µF	10 V	±20%	-40°C ~ 125°C	2000 Hrs @ 125°C	Active	0.402" (10.20mm)	Cut Tape & Digi-Reel
EEE-TK1A331UP	TK	330 µF	10 V	±20%	-40°C ~ 125°C	3000 Hrs @ 125°C	Active	0.402" (10.20mm)	Tape & Reel
EEE-TPA331UAP	TP	330 µF	10 V	±20%	-40°C ~ 125°C	2000 Hrs @ 125°C	Active	0.402" (10.20mm)	Tape & Reel

Engineering Selection Recommendations

Direct Substitutes (10 V Rating, Same Height):

EEE-TG1A331UP and EEE-TPA331UAP are direct substitutes for applications requiring the same 10 V rating and physical height (0.402"). Both parts are Active status and offer extended operating temperature range to 125°C with improved lifetime ratings at elevated temperature. EEE-TG1A331UP provides 2000 Hrs @ 125°C, while EEE-TPA331UAP offers the same rating with AEC-Q200 automotive qualification and High Temperature Reflow capability. EEE-TK1A331UP extends lifetime to 3000 Hrs @ 125°C and is suitable for general purpose applications.

Enhanced Thermal Performance (10 V Rating, Increased Height):

EEE-FK1A331AP and EEE-FK1A331GP are Active status alternatives with extended operating temperature to 105°C. The FK series offers improved thermal characteristics compared to the original S series. EEE-FK1A331GP provides extended lifetime of 5000 Hrs @ 105°C for demanding automotive applications. Height increases to 0.413" (10.50mm), requiring PCB layout verification.

Higher Voltage Alternatives (Same Package Footprint):

EEE-FK1C331AP/GP (16 V) and EEE-FK1E331AP/GP (25 V) maintain the same 330 µF capacitance and physical footprint while providing voltage margin. These parts are suitable for applications where circuit voltage may exceed 10 V or where design margin is required. EEE-FT1V331AP (35 V) offers maximum voltage headroom within the same package.

All substitute parts maintain RoHS3 compliance, AEC-Q200 automotive qualification (where applicable), and identical surface mount land size (0.327" L x 0.327" W).

Frequently Asked Questions (FAQ)

Q: Can EEE-FK1A331AP replace EEE-1AA331P directly on the PCB?

A: Physical substitution is possible with layout verification. The FK series height is 0.413" (10.50mm) compared to the original 0.402" (10.20mm). Surface mount land size remains identical at 0.327" L x 0.327" W. Verify clearance above the capacitor for any overlying components or conformal coating processes.

Q: What is the difference between EEE-FK1A331GP and EEE-FK1A331AP?

A: Both parts are 330 µF, 10 V, Active status FK series capacitors. The primary difference is lifetime rating: EEE-FK1A331AP is rated 2000 Hrs @ 105°C, while EEE-FK1A331GP is rated 5000 Hrs @ 105°C. Select the GP variant for applications requiring extended operational life at elevated temperatures.

Q: Why do some substitute parts have higher voltage ratings (16 V, 25 V, 35 V)?

A: Higher voltage ratings provide design margin and circuit protection. A 16 V or 25 V capacitor can be used in a 10 V circuit without functional impact, as the capacitance and tolerance remain identical. Higher voltage ratings may offer different ESR characteristics and thermal performance. Verify impedance and ripple current specifications for your specific application.

Q: Is EEE-TG1A331UP suitable for automotive applications?

A: EEE-TG1A331UP is Active status with AEC-Q200 qualification and High Temperature Reflow capability, making it suitable for automotive applications. It maintains the same 10 V rating and 330 µF capacitance as the original part while extending operating temperature to 125°C.

Q: What packaging options are available for 330 µF, 10 V substitutes?

A: Most substitute parts are supplied in Tape & Reel (TR) packaging. EEE-TG1A331UP is available in Cut Tape (CT) & Digi-Reel® packaging. Verify packaging compatibility with your assembly process and component handling equipment.

Q: Can I use EEE-FK1E331GP (25 V) instead of EEE-1AA331P (10 V)?

A: Yes. EEE-FK1E331GP maintains 330 µF capacitance and ±20% tolerance. The 25 V rating exceeds the 10 V requirement, providing voltage margin. Physical dimensions are compatible (0.327" L x 0.327" W land size). Verify that the increased height (0.413" vs 0.402") does not conflict with PCB layout or assembly constraints.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message