AVRF476M06B12T-F

Part Overview

The AVRF476M06B12T-F is a 47 µF, 6.3 V aluminum electrolytic capacitor in surface mount radial can package manufactured by Cornell Dubilier Electronics (CDE). The part is classified as obsolete, requiring identification of qualified substitute components for continued system support and procurement. Alternative parts must maintain electrical performance within the specified capacitance, voltage rating, and thermal lifetime requirements while meeting relevant compliance standards.

Key Parameters

Parameter	Value
Capacitance	47 µF
Voltage Rating	6.3 V
Tolerance	±20%
Lifetime @ Temperature	2000 Hrs @ 105°C
Operating Temperature Range	-55°C ~ 105°C
Package / Case	Radial, Can - SMD
Mounting Type	Surface Mount
Size / Dimension	0.157" Dia (4.00mm)
Polarization	Polar
RoHS Status	ROHS3 Compliant
MSL Rating	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the AVRF476M06B12T-F are qualified based on the following critical parameters:

Electrical Requirements:

Capacitance: 47 µF (±20% tolerance matches all substitutes)
Voltage Rating: 6.3 V DC
Lifetime Requirement: 2000 Hrs @ 105°C
Operating Temperature Range: -55°C ~ 105°C

Mechanical Requirements:

Package Type: Radial, Can - SMD surface mount
Base Size: 0.157" diameter (4.00mm) with compatible height tolerances
Surface Mount Land Size: Compatible footprints for PCB assembly

Compliance Requirements:

RoHS3 Compliance mandatory
MSL Level 1 (Unlimited)
REACH Unaffected status

Substitute parts are grouped by manufacturer and rated performance characteristics. All listed substitutes maintain the core electrical specifications and environmental ratings while offering variations in equivalent series resistance (ESR) and ripple current handling, which are determined by application-specific thermal and frequency requirements.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Capacitance	Voltage	ESR @ 100kHz	Lifetime @ 105°C	Operating Temp. Range	Size (Dia)	Height (Max)	Ripple Current @ 100kHz	Product Status	Ratings
AVRF476M06B12T-F	Cornell Dubilier Electronics	47 µF	6.3 V	1.65 Ohm	2000 Hrs	-55°C ~ 105°C	4.00mm	5.40mm	70 mA	Obsolete	—
AFK476M06B12T-F	Cornell Dubilier Electronics	47 µF	6.3 V	1.35 Ohm	2000 Hrs	-55°C ~ 105°C	4.00mm	6.10mm	90 mA	Active	AEC-Q200
AFK476M06C12T-F	Cornell Dubilier Electronics	47 µF	6.3 V	700 mOhm	2000 Hrs	-55°C ~ 105°C	5.00mm	6.10mm	160 mA	Active	AEC-Q200
865080140004	Würth Elektronik	47 µF	6.3 V	1.88 Ohm	2000 Hrs	-55°C ~ 105°C	4.00mm	5.50mm	86 mA	Active	—
EEE-FPJ470UAR	Panasonic Electronic Components	47 µF	6.3 V	850 mOhm	2000 Hrs	-55°C ~ 105°C	4.00mm	5.80mm	160 mA	Active	AEC-Q200
EEE-FK0J470UR	Panasonic Electronic Components	47 µF	6.3 V	1.35 Ohm	2000 Hrs	-55°C ~ 105°C	4.00mm	6.10mm	90 mA	Active	AEC-Q200
EEE-FKJ470UAR	Panasonic Electronic Components	47 µF	6.3 V	1.35 Ohm	2000 Hrs	-55°C ~ 105°C	4.00mm	6.10mm	90 mA	Active	AEC-Q200
EMZA6R3ARA470MD61G	Chemi-Con	47 µF	6.3 V	1.35 Ohm	2000 Hrs	-55°C ~ 105°C	4.00mm	6.10mm	90 mA	Active	AEC-Q200
UCL0J470MCL6GS	Nichicon	47 µF	6.3 V	850 mOhm	2000 Hrs	-55°C ~ 105°C	4.00mm	5.80mm	160 mA	Active	—

Engineering Selection Recommendations

Preferred Substitutes (Active Product Status with AEC-Q200 Certification):

AFK476M06B12T-F, EEE-FK0J470UR, EEE-FKJ470UAR, and EMZA6R3ARA470MD61G are preferred substitutes. All maintain AEC-Q200 automotive qualification and active product status. AFK476M06B12T-F represents the direct lineage replacement within Cornell Dubilier Electronics' active portfolio, maintaining the same manufacturer and similar electrical characteristics with improved ESR performance (1.35 Ohm versus 1.65 Ohm).

Alternative Substitutes (Active Status, General Purpose Applications):

865080140004 (Würth Elektronik WCAP-ASLI) and UCL0J470MCL6GS (Nichicon UCL series) are active production parts suitable for general-purpose applications. These parts meet all core electrical and environmental specifications but lack automotive certification.

High Performance Alternatives:

AFK476M06C12T-F, EEE-FPJ470UAR, and UCL0J470MCL6GS offer reduced ESR (700 mOhm to 850 mOhm) and higher ripple current handling (160 mA @ 100 kHz). These are appropriate for applications requiring enhanced ripple current performance. AFK476M06C12T-F employs a slightly larger 5.00mm diameter package, requiring PCB footprint verification.

Frequently Asked Questions (FAQ)

Q: Can I substitute the AVRF476M06B12T-F with any of the listed parts directly?

A: Substitution is feasible for parts maintaining identical capacitance (47 µF), voltage rating (6.3 V), tolerance (±20%), and thermal lifetime (2000 Hrs @ 105°C). All listed parts meet these core requirements. Surface mount land size and height must be verified for PCB compatibility; most substitutes fit the 4.00mm base diameter, but height varies between 5.40mm and 6.10mm.

Q: What does AEC-Q200 certification mean?

A: AEC-Q200 is an automotive-grade qualification standard. Parts carrying this rating are qualified for automotive applications and demonstrate higher reliability standards. AFK476M06B12T-F, EEE-FK0J470UR, EEE-FKJ470UAR, EMZA6R3ARA470MD61G, and EEE-FPJ470UAR all hold AEC-Q200 certification.

Q: How does ESR affect part selection?

A: Equivalent Series Resistance (ESR) determines the capacitor's thermal stability and frequency response. Lower ESR values improve performance in high-frequency ripple current applications. The AVRF476M06B12T-F specifies 1.65 Ohm ESR, while alternatives range from 700 mOhm to 1.88 Ohm. Selection depends on circuit ripple current requirements.

Q: What is the significance of the package height difference?

A: The original AVRF476M06B12T-F measures 5.40mm in seated height. Substitutes range from 5.40mm to 6.10mm. Taller packages may contact nearby components or exceed PCB clearance limits. Verify mechanical clearance before substitution, particularly for densely populated boards.

Q: Are all substitutes RoHS3 and MSL Level 1 compliant?

A: Yes. All listed substitutes are RoHS3 compliant with MSL Level 1 (Unlimited) moisture sensitivity rating, matching the original part's environmental and regulatory status.

Q: Which substitute best matches the original AVRF476M06B12T-F?

A: AFK476M06B12T-F from Cornell Dubilier Electronics provides the closest electrical and mechanical match while maintaining active product status. It reduces ESR from 1.65 Ohm to 1.35 Ohm and increases ripple current capacity to 90 mA @ 100 kHz, with minimal mechanical variation (6.10mm height versus 5.40mm original).

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