AFK477M06F24B-F Equivalent & Substitute Parts

Part Overview

The AFK477M06F24B-F is a 470 µF, 6.3 V aluminum electrolytic capacitor manufactured by Cornell Dubilier Electronics (CDE) in surface mount radial can package. This component is rated for automotive applications with AEC-Q200 qualification and operates across -55°C to 105°C with a 2000-hour lifetime at 105°C. The part is discontinued at DiGi Electronics, necessitating identification of equivalent and substitute components that maintain electrical and mechanical compatibility for existing designs or new production requirements.

Key Parameters

Parameter	Value	Unit	Significance for Substitution
Capacitance	470	µF	Must match exactly
Voltage Rating	6.3	V	Minimum acceptable; higher ratings permissible
Tolerance	±20%	%	Must match or be tighter
ESR @ 100 kHz	160	mOhm	Reference specification; variations acceptable within application limits
Lifetime @ 105°C	2000	Hrs	Minimum acceptable; longer lifetimes permissible
Operating Temperature	-55 to 105	°C	Must encompass or match
Package Type	Radial, Can - SMD	—	Must match for PCB compatibility
Mounting Type	Surface Mount	—	Must match
Size / Dimension	0.315" Dia (8.00 mm)	—	Must match for footprint compatibility
Height - Seated (Max)	0.413" (10.50 mm)	—	Critical for clearance; tighter tolerances acceptable
Surface Mount Land Size	0.327" L x 0.394" W (8.30 mm x 10.00 mm)	—	Must be compatible with PCB layout
Polarization	Polar	—	Must match
RoHS Status	ROHS3 Compliant	—	Regulatory requirement
Moisture Sensitivity Level	1 (Unlimited)	—	Handling and storage requirement

Substitute Part Grouping Explanation

Substitution of the AFK477M06F24B-F is determined by strict adherence to the following electrical and mechanical parameters:

Mandatory Matching Parameters:

Capacitance: 470 µF (exact match required)
Tolerance: ±20% (tighter tolerances acceptable)
Operating Temperature Range: -55°C to 105°C (must encompass or match)
Polarization: Polar (must match)
Package Type: Radial, Can - SMD (must match)
Mounting Type: Surface Mount (must match)
Physical Dimensions: 0.315" Dia (8.00 mm), Height ≤ 0.413" (10.50 mm)
Surface Mount Land Size: Compatible with 0.327" L x 0.394" W (8.30 mm x 10.00 mm)

Acceptable Variation Parameters:

Voltage Rating: 6.3 V minimum; higher ratings (16 V) permissible for drop-in replacement
ESR: Reference value 160 mOhm @ 100 kHz; variations acceptable based on application ripple current requirements
Lifetime @ 105°C: 2000 hours minimum; longer lifetimes acceptable
Ripple Current Ratings: Application-dependent; must support circuit requirements

Regulatory Compliance:

RoHS3 Compliant (required)
Moisture Sensitivity Level 1 (Unlimited) preferred
AEC-Q200 qualification preferred for automotive applications

Substitute parts are grouped into three categories: Direct Equivalents (identical electrical and mechanical specifications), Upgrade Substitutes (higher voltage rating with compatible dimensions), and Similar Alternatives (same core specifications with acceptable parameter variations).

Parameter Comparison

Parameter	AFK477M06F24B-F (Main)	EEE-FK0J471AP	EEE-FK0J471P	EMZA6R3ARA471MHA0G	UCL0J471MNL1GS	EMVY6R3ARA471MHA0G	AHA477M16F24B-F (Upgrade)
Manufacturer	Cornell Dubilier Electronics	Panasonic	Panasonic	Chemi-Con	Nichicon	Chemi-Con	Cornell Dubilier Electronics
Capacitance	470 µF	470 µF	470 µF	470 µF	470 µF	470 µF	470 µF
Voltage Rating	6.3 V	6.3 V	6.3 V	6.3 V	6.3 V	6.3 V	16 V
Tolerance	±20%	±20%	±20%	±20%	±20%	±20%	±20%
ESR @ 100 kHz	160 mOhm	160 mOhm	160 mOhm	160 mOhm	80 mOhm	300 mOhm	700 mOhm @ 120 Hz
Lifetime @ 105°C	2000 Hrs	2000 Hrs	2000 Hrs	2000 Hrs	2000 Hrs	2000 Hrs	2000 Hrs
Operating Temperature	-55 to 105°C	-55 to 105°C	-55 to 105°C	-55 to 105°C	-55 to 105°C	-55 to 105°C	-55 to 105°C
Ripple Current @ 120 Hz	450 mA	390 mA	450 mA	300 mA	425 mA	225 mA	190 mA
Ripple Current @ 100 kHz	600 mA	600 mA	600 mA	600 mA	850 mA	450 mA	323 mA @ 10 kHz
Size / Dimension	0.315" Dia (8.00 mm)	0.315" Dia (8.00 mm)	0.315" Dia (8.00 mm)	0.315" Dia (8.00 mm)	0.315" Dia (8.00 mm)	0.315" Dia (8.00 mm)	0.315" Dia (8.00 mm)
Height - Seated (Max)	0.413" (10.50 mm)	0.413" (10.50 mm)	0.413" (10.50 mm)	0.413" (10.50 mm)	0.394" (10.00 mm)	0.394" (10.00 mm)	0.402" (10.20 mm)
Surface Mount Land Size	0.327" L x 0.394" W (8.30 mm x 10.00 mm)	0.327" L x 0.327" W (8.30 mm x 8.30 mm)	0.327" L x 0.327" W (8.30 mm x 8.30 mm)	0.327" L x 0.327" W (8.30 mm x 8.30 mm)	0.327" L x 0.327" W (8.30 mm x 8.30 mm)	0.327" L x 0.327" W (8.30 mm x 8.30 mm)	0.327" L x 0.327" W (8.30 mm x 8.30 mm)
Package Type	Radial, Can - SMD	Radial, Can - SMD	Radial, Can - SMD	Radial, Can - SMD	Radial, Can - SMD	Radial, Can - SMD	Radial, Can - SMD
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Polarization	Polar	Polar	Polar	Polar	Polar	Polar	Polar
Product Status	Discontinued	Active	Active	Active	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
AEC-Q200 Rated	Yes	Yes	Yes	Yes	No	No	Yes
Packaging	—	Tape & Reel (TR)	Tape & Reel (TR)	Tape & Reel (TR)	Tape & Reel (TR)	—	—

Engineering Selection Recommendations

Direct Equivalent Substitutes (6.3 V Rating):

The following parts provide direct electrical and mechanical equivalence to the AFK477M06F24B-F:

EEE-FK0J471P (Panasonic) and EEE-FK0J471AP (Panasonic) are active production alternatives with identical 470 µF, 6.3 V specifications, matching physical dimensions (0.315" Dia, 0.413" height), and AEC-Q200 automotive qualification. Both maintain the required -55°C to 105°C operating range and 2000-hour lifetime at 105°C. EEE-FK0J471P offers higher inventory availability (5176 pcs) compared to EEE-FK0J471AP (1991 pcs). These parts are suitable for direct PCB substitution without design modification.

EMZA6R3ARA471MHA0G (Chemi-Con Alchip™ MZA Series) provides equivalent specifications with AEC-Q200 qualification and active product status. Physical dimensions match the main part (0.315" Dia, 0.413" height). This part is available with 827 pcs in stock.

UCL0J471MNL1GS (Nichicon UCL Series) meets all mandatory electrical parameters with 470 µF, 6.3 V, ±20% tolerance, and -55°C to 105°C operating range. Physical dimensions are compatible (0.315" Dia, 0.394" height—slightly shorter, acceptable for most applications). This part features lower ESR (80 mOhm) and higher ripple current capability (850 mA @ 100 kHz). However, AEC-Q200 qualification is not specified; this part is rated for general purpose applications. Use is acceptable where automotive qualification is not mandatory.

EMVY6R3ARA471MHA0G (Chemi-Con Alchip™ MVY Series) provides equivalent core specifications (470 µF, 6.3 V, ±20% tolerance) with active product status. Physical dimensions are compatible (0.315" Dia, 0.394" height). ESR is higher at 300 mOhm and ripple current capability is lower (450 mA @ 100 kHz). AEC-Q200 qualification is not specified; this part is rated for general purpose applications. Selection should be based on ripple current requirements of the specific circuit.

Upgrade Substitute (16 V Rating):

AHA477M16F24B-F (Cornell Dubilier Electronics AHA Series) is an upgrade substitute with identical 470 µF capacitance and ±20% tolerance. The voltage rating is increased to 16 V, providing higher safety margin in applications where the original 6.3 V specification permits voltage headroom. Physical dimensions are compatible (0.315" Dia, 0.402" height—within acceptable tolerance). This part maintains AEC-Q200 qualification and 2000-hour lifetime at 105°C. The upgrade is suitable for drop-in replacement where circuit voltage does not exceed 6.3 V but higher voltage rating is desired for reliability margin. Note: ESR is higher (700 mOhm @ 120 Hz) and ripple current capability is lower; verify circuit requirements before selection.

Selection Criteria Summary:

For direct replacement with automotive qualification: Select EEE-FK0J471P, EEE-FK0J471AP, EMZA6R3ARA471MHA0G, or AHA477M16F24B-F.
For applications not requiring AEC-Q200: UCL0J471MNL1GS or EMVY6R3ARA471MHA0G are acceptable if ripple current requirements are met.
For higher ripple current capability: UCL0J471MNL1GS (850 mA @ 100 kHz) exceeds the original specification.
For voltage margin improvement: AHA477M16F24B-F provides 16 V rating while maintaining mechanical compatibility.
For inventory availability: EEE-FK0J471P (5176 pcs) offers maximum stock availability.

All recommended substitutes maintain RoHS3 compliance and Moisture Sensitivity Level 1 (Unlimited).

Frequently Asked Questions (FAQ)

Q1: Can I use a 16 V rated capacitor (AHA477M16F24B-F) in place of the 6.3 V AFK477M06F24B-F?

A: Yes. The 16 V rating is higher than the original 6.3 V specification, making it suitable for drop-in replacement in circuits operating at or below 6.3 V. Higher voltage ratings provide additional safety margin. However, verify that the circuit design does not depend on the specific ESR or ripple current characteristics of the original part, as the AHA series exhibits higher ESR (700 mOhm) and lower ripple current capability (190 mA @ 120 Hz) compared to the AFK series (160 mOhm, 450 mA @ 120 Hz).

Q2: What is the difference between direct equivalents and upgrade substitutes?

A: Direct equivalents (EEE-FK0J471P, EMZA6R3ARA471MHA0G, UCL0J471MNL1GS, EMVY6R3ARA471MHA0G) maintain identical voltage ratings (6.3 V) and are designed as functional replacements. Upgrade substitutes (AHA477M16F24B-F) feature higher voltage ratings (16 V) and are suitable when additional voltage margin is beneficial. All maintain the same 470 µF capacitance and physical package compatibility.

Q3: Are all substitute parts AEC-Q200 qualified?

A: No. EEE-FK0J471P, EEE-FK0J471AP, EMZA6R3ARA471MHA0G, and AHA477M16F24B-F carry AEC-Q200 automotive qualification. UCL0J471MNL1GS and EMVY6R3ARA471MHA0G are rated for general purpose applications without specified AEC-Q200 qualification. For automotive applications, select from the AEC-Q200 qualified alternatives.

Q4: Do all substitutes have the same physical dimensions?

A: Diameter and mounting type are identical (0.315" Dia, Surface Mount). Height varies slightly: AFK477M06F24B-F, EEE-FK0J471P, EEE-FK0J471AP, and EMZA6R3ARA471MHA0G are 0.413" (10.50 mm); UCL0J471MNL1GS, EMVY6R3ARA471MHA0G, and AHA477M16F24B-F are 0.394" to 0.402" (10.00 to 10.20 mm). Shorter heights are acceptable for most PCB layouts. Verify clearance in your specific design before selection.

Q5: What is the significance of ESR (Equivalent Series Resistance) in selecting a substitute?

A: ESR affects ripple current handling and heat generation. The original AFK477M06F24B-F specifies 160 mOhm @ 100 kHz. Substitutes with lower ESR (UCL0J471MNL1GS at 80 mOhm) handle ripple current more efficiently; those with higher ESR (EMVY6R3ARA471MHA0G at 300 mOhm, AHA477M16F24B-F at 700 mOhm) generate more heat. Select based on your circuit's ripple current requirements and thermal constraints.

Q6: Can I use UCL0J471MNL1GS in an automotive application?

A: UCL0J471MNL1GS is not AEC-Q200 qualified and is rated for general purpose applications. Use in automotive applications is not recommended unless your design does not require automotive qualification or you have verified compatibility with your automotive supplier requirements.

Q7: What does Moisture Sensitivity Level (MSL) 1 mean?

A: MSL 1 (Unlimited) indicates the component has unlimited shelf life and does not require special moisture control during storage or handling. All recommended substitutes carry MSL 1 classification, matching the original part's handling requirements.

Q8: Are all substitutes RoHS3 compliant?

A: Yes. All recommended substitute parts are RoHS3 compliant, matching the regulatory status of the original AFK477M06F24B-F.

Q9: Which substitute offers the best ripple current capability?

A: UCL0J471MNL1GS provides the highest ripple current capability at 850 mA @ 100 kHz, compared to the original specification of 600 mA @ 100 kHz. This part is suitable for applications requiring enhanced ripple current handling, provided AEC-Q200 qualification is not mandatory.

Q10: What packaging options are available for the substitutes?

A: EEE-FK0J471P, EEE-FK0J471AP, EMZA6R3ARA471MHA0G, and UCL0J471MNL1GS are supplied in Tape & Reel (TR) packaging for automated assembly. AFK477M06F24B-F, EMVY6R3ARA471MHA0G, and AHA477M16F24B-F packaging specifications are not detailed; verify with your supplier for specific packaging requirements.

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