Equivalent & Substitute Parts for EEE-FTJ471XAP

Part Overview

The EEE-FTJ471XAP is a 470 µF, 6.3 V aluminum electrolytic capacitor in surface mount radial can package, manufactured by Panasonic Electronic Components. This component is rated for automotive applications under AEC-Q200 and is designed for operating temperatures from -55°C to 105°C with a 2000-hour lifetime at 105°C. The part is currently in active production status with RoHS3 compliance and unlimited moisture sensitivity level (MSL 1).

Substitute parts become necessary when the original part number reaches end-of-life status, when packaging format changes are required, or when design improvements in newer series offer enhanced electrical performance characteristics while maintaining functional compatibility.

Key Parameters

Parameter	Value
Capacitance	470 µF
Voltage Rating	6.3 V
Tolerance	±20%
ESR @ 100 kHz	160 mOhm
Lifetime @ 105°C	2000 Hrs
Operating Temperature Range	-55°C to 105°C
Ripple Current @ 100 kHz	600 mA
Package Type	Radial, Can - SMD
Physical Dimensions	0.248" Dia (6.30 mm), Height 0.315" (8.00 mm)
Land Size	0.260" L x 0.260" W (6.60 mm x 6.60 mm)
AEC-Q200 Rating	Yes
RoHS3 Compliance	Yes

Substitute Part Grouping Explanation

Substitution of the EEE-FTJ471XAP is determined by the following critical parameters:

Primary Substitution Criteria:

Capacitance value: 470 µF (exact match required)
Voltage rating: 6.3 V minimum (higher voltage ratings are acceptable for direct substitution)
Tolerance: ±20% (standard tolerance maintained across all substitutes)
Package type: Radial, Can - SMD (physical footprint compatibility)
Physical dimensions: 0.248" diameter, 0.315" maximum height (identical across all substitutes)
Surface mount land size: 0.260" L x 0.260" W (identical across all substitutes)
Operating temperature range: -55°C to 105°C (maintained across all substitutes)
AEC-Q200 automotive rating (required for automotive applications)
RoHS3 compliance (environmental requirement maintained)

Secondary Consideration Parameters:

ESR (Equivalent Series Resistance): The main part specifies 160 mOhm @ 100 kHz. Substitute parts with higher ESR values (340 mOhm) represent parametric equivalents with reduced ripple current handling capability.
Ripple current capacity: Main part rated at 600 mA @ 100 kHz. Parametric equivalents with 340 mOhm ESR are rated at 280 mA @ 100 kHz.
Product status: Active status preferred; parts marked "Not For New Designs" are available for legacy support only.
Series designation: FT series (main part), FN series (halogen-free active alternatives), FKS series (halogen-free legacy alternatives).

Substitutes are grouped into two categories: direct electrical equivalents (matching ESR and ripple current) and parametric equivalents (matching core electrical parameters with different ESR characteristics).

Parameter Comparison

Part Number	Manufacturer	Capacitance	Voltage	ESR @ 100 kHz	Ripple Current @ 100 kHz	Series	Product Status	Packaging	Inventory
EEE-FTJ471XAP	Panasonic	470 µF	6.3 V	160 mOhm	600 mA	FT	Active	Cut Tape (CT)	1263 Pcs
EEE-FTA471XAP	Panasonic	470 µF	10 V	160 mOhm	600 mA	FT	Active	Tape & Reel (TR)	711 Pcs
EEE-FTJ471XAL	Panasonic	470 µF	6.3 V	160 mOhm	600 mA	FT	Active	Tape & Reel (TR)	1234 Pcs
EEE-FNJ471XUL	Panasonic	470 µF	6.3 V	340 mOhm	280 mA	FN	Active	Tape & Reel (TR)	2782 Pcs
EEE-FNJ471XUP	Panasonic	470 µF	6.3 V	340 mOhm	280 mA	FN	Active	Tape & Reel (TR)	9413 Pcs
EEE-FKJ471XSL	Panasonic	470 µF	6.3 V	340 mOhm	280 mA	FKS	Not For New Designs	Tape & Reel (TR)	2489 Pcs
EEE-FKJ471XSP	Panasonic	470 µF	6.3 V	340 mOhm	280 mA	FKS	Not For New Designs	Tape & Reel (TR)	4553 Pcs

Engineering Selection Recommendations

Direct Electrical Equivalents (Recommended for New Designs):

EEE-FTJ471XAL and EEE-FTA471XAP maintain identical electrical performance to the main part with 160 mOhm ESR and 600 mA ripple current capacity. EEE-FTJ471XAL is available in Tape & Reel packaging and carries active product status. EEE-FTA471XAP provides a higher voltage rating (10 V) while maintaining the same ESR and ripple current characteristics, offering additional design margin for applications where voltage headroom is beneficial.

Parametric Equivalents (Active Status):

EEE-FNJ471XUL and EEE-FNJ471XUP are halogen-free alternatives in the FN series with active product status. These parts maintain the 470 µF capacitance, 6.3 V voltage rating, and identical physical dimensions. The trade-off is increased ESR (340 mOhm) and reduced ripple current capacity (280 mA @ 100 kHz). These parts are suitable for applications where ripple current requirements do not exceed 280 mA at 100 kHz and where halogen-free composition is mandated.

Legacy Alternatives (Not For New Designs):

EEE-FKJ471XSL and EEE-FKJ471XSP are marked "Not For New Designs" and should be used only for legacy system support or replacement of existing installations. These FKS series parts share identical electrical and physical specifications with the FN series parametric equivalents (340 mOhm ESR, 280 mA ripple current).

Selection Logic:

For new designs requiring direct replacement with identical electrical performance, select EEE-FTJ471XAL. For applications requiring higher voltage margin, select EEE-FTA471XAP. For designs where halogen-free composition is required and ripple current does not exceed 280 mA, select EEE-FNJ471XUP (highest inventory availability). Avoid FKS series parts for new designs.

Frequently Asked Questions (FAQ)

Q: Can EEE-FTA471XAP be used as a direct replacement for EEE-FTJ471XAP?

A: Yes. EEE-FTA471XAP is electrically equivalent with identical ESR (160 mOhm) and ripple current (600 mA @ 100 kHz). The voltage rating is increased from 6.3 V to 10 V, which provides additional design margin without affecting circuit operation. The primary difference is packaging format (Tape & Reel vs. Cut Tape).

Q: What is the difference between FT, FN, and FKS series parts?

A: FT series represents the baseline automotive-grade aluminum electrolytic capacitors. FN series introduces halogen-free composition while maintaining active product status. FKS series is the legacy halogen-free variant marked "Not For New Designs." All three series share identical physical dimensions and mounting footprints.

Q: Can parametric equivalents with 340 mOhm ESR replace the main part with 160 mOhm ESR?

A: Parametric equivalents (EEE-FNJ471XUL, EEE-FNJ471XUP, EEE-FKJ471XSL, EEE-FKJ471XSP) are suitable only if the application's ripple current requirement does not exceed 280 mA @ 100 kHz. The higher ESR generates additional heat dissipation. Circuit thermal analysis is required to confirm compatibility. These parts maintain identical capacitance, voltage rating, and physical dimensions.

Q: Are all substitute parts AEC-Q200 rated?

A: Yes. All substitute parts listed carry AEC-Q200 automotive qualification and are suitable for automotive applications.

Q: What is the difference between Cut Tape and Tape & Reel packaging?

A: Cut Tape (CT) packaging is supplied as individual components cut from tape, suitable for manual assembly or small-volume production. Tape & Reel (TR) packaging supplies components on continuous tape wound on reels, optimized for automated assembly equipment. Both formats use identical component specifications and land sizes.

Q: Why would I select EEE-FNJ471XUP over EEE-FTJ471XAL?

A: EEE-FNJ471XUP is selected when halogen-free composition is a design requirement and ripple current does not exceed 280 mA @ 100 kHz. It offers the highest inventory availability (9413 Pcs). EEE-FTJ471XAL is selected when maximum ripple current capacity (600 mA) is required or when halogen-free composition is not mandated.

Q: Can I use FKS series parts in new product designs?

A: No. FKS series parts are marked "Not For New Designs" and should be reserved for legacy system support only. Use FN series halogen-free alternatives for new designs requiring halogen-free composition.

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