Equivalent & Substitute Parts for EEV-FK1V331P

Part Overview

The EEV-FK1V331P is a 330 µF, 35 V aluminum electrolytic capacitor in surface mount radial can package, rated for 2000 hours at 105°C with AEC-Q200 automotive qualification. This part is currently obsolete, necessitating identification of active equivalent and substitute components that maintain electrical and mechanical compatibility for automotive applications.

Key Parameters

Parameter	Value
Capacitance	330 µF
Voltage Rating	35 V
Tolerance	±20%
Lifetime @ 105°C	2000 Hrs
Operating Temperature Range	-55°C ~ 105°C
Polarization	Polar
Package Type	Radial, Can - SMD
Size / Dimension	0.394" Dia (10.00mm)
Height - Seated (Max)	0.413" (10.50mm)
Surface Mount Land Size	0.406" L x 0.406" W (10.30mm x 10.30mm)
Mounting Type	Surface Mount
AEC-Q200 Rating	Yes
RoHS Status	RoHS non-compliant
MSL Rating	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the EEV-FK1V331P is determined by the following critical parameters:

Electrical Parameters: Capacitance (330 µF), voltage rating (35 V minimum), tolerance (±20%), lifetime rating (2000 Hrs @ 105°C minimum), and ripple current capability (850 mA @ 100 kHz minimum).

Mechanical Parameters: Package type (Radial, Can - SMD), physical dimensions (0.394" diameter, 0.413" maximum height), surface mount land size (0.406" L x 0.406" W minimum), and mounting type (Surface Mount).

Compliance Parameters: AEC-Q200 automotive qualification, operating temperature range (-55°C ~ 105°C), MSL rating (1 - Unlimited), and RoHS compliance status.

Substitute parts are grouped into four categories:

Direct Manufacturer Equivalents: Same manufacturer (Panasonic), identical electrical specifications, active product status, improved RoHS compliance.
Upgrade Options: Enhanced lifetime ratings (5000 Hrs @ 105°C) or higher voltage ratings (50 V) while maintaining mechanical compatibility.
Similar Alternatives: Same electrical parameters with alternative packaging formats or series designations.
Parametric Equivalents: Alternative manufacturers or series with matching electrical and mechanical specifications.

Parameter Comparison

Part Number	Manufacturer	Capacitance	Voltage	Lifetime @ 105°C	ESR @ 100kHz	Ripple Current @ 100kHz	Height (Max)	Product Status	RoHS Status
EEV-FK1V331P	Panasonic	330 µF	35 V	2000 Hrs	80 mOhms	850 mA	0.413" (10.50mm)	Obsolete	Non-compliant
EEE-FK1V331P	Panasonic	330 µF	35 V	2000 Hrs	80 mOhms	850 mA	0.413" (10.50mm)	Active	ROHS3 Compliant
EEE-FP1V331AP	Panasonic	330 µF	35 V	2000 Hrs	60 mOhms	1.19 A	0.402" (10.20mm)	Active	ROHS3 Compliant
EEE-FK1V331AL	Panasonic	330 µF	35 V	2000 Hrs	80 mOhms	850 mA	0.413" (10.50mm)	Active	ROHS3 Compliant
EEE-FK1V331GP	Panasonic	330 µF	35 V	5000 Hrs	80 mOhms	850 mA	0.413" (10.50mm)	Active	ROHS3 Compliant
EEE-FT1H331AP	Panasonic	330 µF	50 V	2000 Hrs	120 mOhms	900 mA	0.413" (10.50mm)	Active	ROHS3 Compliant
EEE-FT1H331GP	Panasonic	330 µF	50 V	5000 Hrs	120 mOhms	900 mA	0.413" (10.50mm)	Active	ROHS3 Compliant
EEE-FK1V331AP	Panasonic	330 µF	35 V	2000 Hrs	80 mOhms	850 mA	0.413" (10.50mm)	Active	ROHS3 Compliant
EEE-FK1V331GL	Panasonic	330 µF	35 V	2000 Hrs	80 mOhms	850 mA	0.413" (10.50mm)	Active	ROHS3 Compliant
EEE-FP1V331AL	Panasonic	330 µF	35 V	2000 Hrs	60 mOhms	1.19 A	0.413" (10.50mm)	Active	ROHS3 Compliant
AFK337M35G24T-F	Cornell Dubilier Electronics	330 µF	35 V	2000 Hrs	80 mOhms	850 mA	0.413" (10.50mm)	Active	ROHS3 Compliant

Engineering Selection Recommendations

Primary Direct Replacement: EEE-FK1V331P (Panasonic) is the direct active equivalent with identical electrical and mechanical specifications. This part maintains full compatibility with the obsolete EEV-FK1V331P while providing ROHS3 compliance and active product status.

Halogen-Free Alternatives: EEE-FK1V331AL and EEE-FK1V331GL are halogen-free variants of the FK series, maintaining identical electrical performance and mechanical dimensions. These are suitable for applications requiring halogen-free materials compliance.

Enhanced Lifetime Option: EEE-FK1V331GP extends the lifetime rating to 5000 hours at 105°C while maintaining all other electrical and mechanical parameters. This upgrade is applicable for designs requiring extended operational life.

Higher Voltage Rating: EEE-FT1H331AP and EEE-FT1H331GP provide 50 V rating instead of 35 V, offering voltage margin improvement. These parts maintain identical capacitance and mechanical compatibility but feature higher ESR (120 mOhms vs. 80 mOhms).

Lower ESR Alternative: EEE-FP1V331AP and EEE-FP1V331AL feature reduced ESR (60 mOhms) and higher ripple current capability (1.19 A @ 100 kHz), suitable for applications requiring lower impedance performance.

Cross-Manufacturer Option: AFK337M35G24T-F (Cornell Dubilier Electronics) provides equivalent electrical and mechanical specifications with AEC-Q200 qualification and ROHS3 compliance.

All substitute parts maintain AEC-Q200 automotive qualification, MSL rating 1 (Unlimited), and operating temperature range of -55°C to 105°C.

Frequently Asked Questions (FAQ)

Q: Can EEE-FK1V331P directly replace EEV-FK1V331P?

A: Yes. EEE-FK1V331P is the direct active equivalent with identical capacitance (330 µF), voltage rating (35 V), lifetime (2000 Hrs @ 105°C), impedance (80 mOhms), and mechanical dimensions. The primary difference is product status (Active vs. Obsolete) and RoHS compliance (ROHS3 vs. non-compliant).

Q: What is the difference between EEE-FK1V331P and EEE-FP1V331AP?

A: Both parts share identical capacitance, voltage, and lifetime ratings. EEE-FP1V331AP features lower ESR (60 mOhms vs. 80 mOhms) and higher ripple current capability (1.19 A vs. 850 mA @ 100 kHz). EEE-FP1V331AP is packaged in Cut Tape & Digi-Reel format, while EEE-FK1V331P uses Tape & Reel packaging. Height differs slightly (0.402" vs. 0.413").

Q: Are halogen-free variants (EEE-FK1V331AL, EEE-FK1V331GL) electrically equivalent?

A: Yes. Halogen-free variants maintain identical electrical specifications, impedance, ripple current, and mechanical dimensions as the standard FK series. Selection depends on material compliance requirements for specific applications.

Q: Can I use EEE-FK1V331GP (5000 Hrs) instead of EEE-FK1V331P (2000 Hrs)?

A: Yes. EEE-FK1V331GP is a direct upgrade with extended lifetime rating while maintaining all other electrical and mechanical parameters. This substitution is valid for any application using the 2000-hour rated part.

Q: What are the implications of using EEE-FT1H331AP (50 V) in a 35 V circuit?

A: EEE-FT1H331AP provides higher voltage rating (50 V vs. 35 V), which is acceptable for 35 V circuits as it offers voltage margin. However, ESR is higher (120 mOhms vs. 80 mOhms) and ripple current capability differs (900 mA vs. 850 mA @ 100 kHz). Verify ripple current requirements before substitution.

Q: Is AFK337M35G24T-F (Cornell Dubilier) compatible with Panasonic EEV-FK1V331P?

A: Yes. AFK337M35G24T-F matches electrical specifications (330 µF, 35 V, 2000 Hrs @ 105°C, 80 mOhms ESR, 850 mA ripple current) and mechanical dimensions. Both parts carry AEC-Q200 qualification and ROHS3 compliance. Surface mount land size differs slightly (0.406" L x 0.473" W vs. 0.406" L x 0.406" W).

Q: What packaging formats are available for 330 µF 35 V substitutes?

A: Panasonic offers Tape & Reel (TR) and Cut Tape & Digi-Reel packaging formats. EEE-FK1V331P, EEE-FK1V331AL, EEE-FK1V331GP, and EEE-FK1V331AP use Tape & Reel. EEE-FP1V331AP and EEE-FP1V331AL use Cut Tape & Digi-Reel format. Packaging selection depends on assembly process requirements.

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