Equivalent & Substitute Parts for EEE-FC0J331AP

Part Overview

The EEE-FC0J331AP is a 330 µF, 6.3 V aluminum electrolytic capacitor in surface mount radial can package, rated for 1000 hours at 105°C. This component is classified as "Not For New Designs," indicating it has reached end-of-life status. Identifying equivalent and substitute parts is necessary to support existing designs, facilitate production continuity, and enable migration to active product lines where applicable.

Key Parameters

Parameter	Value
Capacitance	330 µF
Voltage Rating	6.3 V
Tolerance	±20%
Lifetime @ 105°C	1000 Hrs
Operating Temperature Range	-40°C ~ 105°C
Package Type	Radial, Can - SMD
Case Size	0.315" Dia (8.00mm)
Height	0.402" (10.20mm)
Land Size	0.327" L x 0.327" W (8.30mm x 8.30mm)
Polarization	Polar
Ratings	AEC-Q200
RoHS Status	RoHS Compliant
MSL	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the EEE-FC0J331AP is determined by the following critical parameters:

Electrical Compatibility: Capacitance (330 µF), tolerance (±20%), and voltage rating must meet or exceed the original specification. Voltage derating is acceptable; however, voltage uprating requires circuit validation.

Thermal & Reliability: Lifetime rating at 105°C and operating temperature range must support the application requirements. Extended lifetime ratings (2000 Hrs, 5000 Hrs) represent improved reliability margins.

Physical Compatibility: Case diameter (8.00mm), height, and land size must match PCB footprint constraints. Surface mount land size (8.30mm x 8.30mm) is standardized across all substitutes.

Compliance & Certifications: AEC-Q200 automotive qualification and RoHS compliance are maintained across all substitute options.

Substitute parts are grouped into three categories:

Direct Equivalents (Same Voltage): EEE-FC0J331P and EEE-HA0J331AP maintain 6.3 V rating with identical electrical and thermal specifications.
Voltage-Upgraded Substitutes (10 V & 16 V): EEE-FK series parts (EEE-FK1A331AP, EEE-FK1A331GP, EEE-FK1A331P, EEE-FK1C331AP, EEE-FK1C331GP, EEE-FK1C331P) provide higher voltage ratings with improved thermal performance (2000 Hrs or 5000 Hrs @ 105°C) and lower impedance.
Low-ESR Variants (10 V & 16 V): EEE-FP series parts (EEE-FP1A331AP, EEE-FP1C331AP) offer 80 mOhm ESR specification with enhanced ripple current handling and extended lifetime.

Parameter Comparison

Part Number	Series	Capacitance	Voltage	Lifetime @ 105°C	Operating Temp Range	Impedance	Ripple Current @ 100 kHz	Product Status	Packaging
EEE-FC0J331AP	FC	330 µF	6.3 V	1000 Hrs	-40°C ~ 105°C	300 mOhms	450 mA	Not For New Designs	Tape & Reel
EEE-FC0J331P	FC	330 µF	6.3 V	1000 Hrs	-40°C ~ 105°C	300 mOhms	450 mA	Not For New Designs	Tape & Reel
EEE-HA0J331AP	HA	330 µF	6.3 V	1000 Hrs	-40°C ~ 105°C	—	391 mA @ 10 kHz	Not For New Designs	Tape & Reel
EEE-FK1A331AP	FK	330 µF	10 V	2000 Hrs	-55°C ~ 105°C	160 mOhms	600 mA	Active	Tape & Reel
EEE-FK1A331GP	FK	330 µF	10 V	5000 Hrs	-55°C ~ 105°C	160 mOhms	600 mA	Active	Tape & Reel
EEE-FK1A331P	FK	330 µF	10 V	2000 Hrs	-55°C ~ 105°C	160 mOhms	600 mA	Active	Tape & Reel
EEE-FK1C331AP	FK	330 µF	16 V	2000 Hrs	-55°C ~ 105°C	160 mOhms	600 mA	Active	Tape & Reel
EEE-FK1C331GP	FK	330 µF	16 V	5000 Hrs	-55°C ~ 105°C	160 mOhms	600 mA	Active	Tape & Reel
EEE-FK1C331P	FK	330 µF	16 V	2000 Hrs	-55°C ~ 105°C	160 mOhms	600 mA	Active	Tape & Reel
EEE-FP1A331AP	FP	330 µF	10 V	2000 Hrs	-55°C ~ 105°C	80 mOhm @ 100kHz	850 mA	Active	Tape & Reel
EEE-FP1C331AP	FP	330 µF	16 V	2000 Hrs	-55°C ~ 105°C	80 mOhm @ 100kHz	850 mA	Active	Cut Tape & Digi-Reel

Engineering Selection Recommendations

For Direct Replacement (Same Voltage, Same Thermal Rating):

EEE-FC0J331P and EEE-HA0J331AP are electrically and mechanically equivalent to the EEE-FC0J331AP. Both maintain 6.3 V rating, 1000 hour lifetime at 105°C, and identical case dimensions. Both are classified as "Not For New Designs," indicating limited long-term availability. These options are suitable only for sustaining production of existing designs where component qualification cannot be modified.

For Active Product Migration (Voltage Upgrade with Enhanced Reliability):

The EEE-FK series (10 V and 16 V variants) represents the recommended path for new designs and design refreshes. These parts are Active status, offering:

Extended lifetime: 2000 Hrs or 5000 Hrs @ 105°C (versus 1000 Hrs)
Reduced impedance: 160 mOhms (versus 300 mOhms)
Expanded operating temperature: -55°C ~ 105°C (versus -40°C ~ 105°C)
Higher ripple current capacity: 600 mA @ 100 kHz (versus 450 mA)

Voltage uprating from 6.3 V to 10 V or 16 V is permissible in applications where circuit design allows. No circuit modification is required; the higher voltage rating provides additional safety margin.

For High Ripple Current Applications:

The EEE-FP series (10 V and 16 V) provides the lowest ESR specification (80 mOhm @ 100 kHz) and highest ripple current capacity (850 mA @ 100 kHz). These parts are suitable for applications requiring superior high-frequency performance and thermal stability under sustained ripple current stress.

All substitute parts maintain AEC-Q200 automotive qualification, RoHS compliance, and MSL 1 (Unlimited) moisture sensitivity rating.

Frequently Asked Questions (FAQ)

Q: Can EEE-FC0J331P be used as a direct replacement for EEE-FC0J331AP?

A: Yes. EEE-FC0J331P is electrically and mechanically identical to EEE-FC0J331AP. Both share the same capacitance (330 µF), voltage rating (6.3 V), lifetime (1000 Hrs @ 105°C), case size (8.00mm diameter), and height (10.20mm). The primary difference is packaging format. Both are classified as "Not For New Designs."

Q: What is the advantage of upgrading to EEE-FK series parts?

A: EEE-FK series parts offer three key improvements: (1) Extended lifetime—2000 Hrs or 5000 Hrs @ 105°C versus 1000 Hrs, providing greater reliability margin; (2) Reduced impedance—160 mOhms versus 300 mOhms, improving high-frequency performance; (3) Active product status, ensuring long-term availability and supply continuity. Voltage ratings of 10 V or 16 V provide additional circuit safety margin compared to the 6.3 V original specification.

Q: Are EEE-FK parts physically compatible with the original EEE-FC0J331AP footprint?

A: Yes. EEE-FK parts maintain the same case diameter (8.00mm), land size (8.30mm x 8.30mm), and surface mount package type. Height varies slightly: EEE-FK parts are 0.413" (10.50mm) versus 0.402" (10.20mm) for EEE-FC0J331AP. This 0.011" difference is within standard PCB design tolerances and does not affect mechanical clearance in typical applications.

Q: When should EEE-FP series parts be selected over EEE-FK series?

A: EEE-FP series parts are specified when the application requires low ESR (80 mOhm @ 100 kHz) and high ripple current capacity (850 mA @ 100 kHz). These characteristics are critical in power supply filtering, DC-DC converter output stages, and other high-frequency switching applications where thermal stress from ripple current is a design constraint. EEE-FK series parts are suitable for general-purpose filtering where ripple current requirements are moderate.

Q: Do all substitute parts maintain AEC-Q200 automotive qualification?

A: Yes. All substitute parts listed—EEE-FC0J331P, EEE-HA0J331AP, EEE-FK series, and EEE-FP series—carry AEC-Q200 automotive qualification and RoHS compliance. MSL rating is 1 (Unlimited) across all options.

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

A: Both parts are 330 µF, 10 V, surface mount aluminum electrolytic capacitors with identical case dimensions and impedance (160 mOhms). The primary difference is lifetime rating: EEE-FK1A331AP is rated 2000 Hrs @ 105°C, while EEE-FK1A331GP is rated 5000 Hrs @ 105°C. Selection depends on application lifetime requirements and thermal stress profile.

Q: Can EEE-HA0J331AP be used as a substitute for EEE-FC0J331AP?

A: Yes. EEE-HA0J331AP is electrically equivalent, maintaining 330 µF capacitance, 6.3 V rating, 1000 hour lifetime at 105°C, and identical case dimensions. However, ripple current specification differs: EEE-HA0J331AP is rated 391 mA @ 10 kHz, while EEE-FC0J331AP is rated 450 mA @ 100 kHz. This difference reflects measurement frequency variation and does not indicate incompatibility. Both are "Not For New Designs" status.

Q: Is voltage uprating from 6.3 V to 10 V or 16 V safe?

A: Voltage uprating is permissible and does not introduce risk. A higher voltage rating provides additional electrical safety margin. The capacitor will operate at lower stress levels, potentially extending service life. No circuit modification is required. Confirm that PCB layout and component placement accommodate the slightly increased height of EEE-FK parts (0.413" versus 0.402").

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