477KBM050M Equivalent & Substitute Parts Reference

Part Overview

The 477KBM050M is a 470 µF, 50 V aluminum electrolytic capacitor in radial, can package manufactured by Cornell Dubilier / Illinois Capacitor. This component operates across a temperature range of -40°C to 105°C with a rated lifetime of 10,000 hours at 105°C, designed for general-purpose applications requiring stable capacitance and low equivalent series resistance.

The part is currently Active in product status with 811 pieces in stock. Substitute parts are identified based on matching electrical specifications (capacitance, voltage rating, tolerance, lifetime, and operating temperature range) and mechanical compatibility (lead spacing, case dimensions, mounting type, and package configuration).

Key Parameters

Parameter	Specification
Capacitance	470 µF
Voltage Rating	50 V
Tolerance	±20%
Lifetime @ Temperature	10,000 Hrs @ 105°C
Operating Temperature Range	-40°C ~ 105°C
Lead Spacing	0.197" (5.00 mm)
Case Diameter	0.492" (12.50 mm)
Mounting Type	Through Hole
Package / Case	Radial, Can
Polarization	Polar
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the 477KBM050M is determined by the following mandatory parameters:

Electrical Equivalence Requirements:

Capacitance: 470 µF (exact match)
Voltage Rating: 50 V (exact match)
Tolerance: ±20% (exact match)
Lifetime: 10,000 Hrs @ 105°C (exact match)
Operating Temperature: -40°C ~ 105°C (minimum range requirement)

Mechanical Compatibility Requirements:

Lead Spacing: 0.197" (5.00 mm) (exact match)
Case Diameter: 0.492" (12.50 mm) (primary dimension)
Mounting Type: Through Hole (exact match)
Package / Case: Radial, Can (exact match)
Polarization: Polar (exact match)

Compliance Requirements:

RoHS3 Compliant (mandatory)
REACH Unaffected (mandatory)

All substitute parts listed below meet these criteria. Secondary parameters such as ESR, ripple current ratings, and impedance values are provided for performance comparison but do not disqualify substitution eligibility when primary parameters align.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Capacitance	Voltage	Tolerance	Lifetime @ 105°C	Operating Temp.	Lead Spacing	Case Dia.	Height (Max)	ESR	Impedance	Product Status	Inventory
477KBM050M	Cornell Dubilier / Illinois Capacitor	470 µF	50 V	±20%	10,000 Hrs	-40°C ~ 105°C	0.197" (5.00 mm)	0.492" (12.50 mm)	0.866" (22.00 mm)	352.7 mOhm @ 120 Hz	45 mOhms	Active	811 Pcs
B41888C6477M000	EPCOS - TDK Electronics	470 µF	50 V	±20%	10,000 Hrs	-55°C ~ 105°C	0.197" (5.00 mm)	0.492" (12.50 mm)	0.866" (22.00 mm)	65 mOhm @ 10 kHz	60 mOhms	Active	6,255 Pcs
EKYA500ELL471MK20S	Chemi-Con	470 µF	50 V	±20%	10,000 Hrs	-40°C ~ 105°C	0.197" (5.00 mm)	0.492" (12.50 mm)	0.846" (21.50 mm)	Not specified	45 mOhms	Active	1,625 Pcs
EKZN500ELL471MK20S	Chemi-Con	470 µF	50 V	±20%	10,000 Hrs	-40°C ~ 105°C	0.197" (5.00 mm)	0.492" (12.50 mm)	0.846" (21.50 mm)	Not specified	32 mOhms	Active	909 Pcs
EST477M050AL3AA	KEMET	470 µF	50 V	±20%	10,000 Hrs	-40°C ~ 105°C	0.197" (5.00 mm)	0.512" (13.00 mm)	0.866" (22.00 mm)	160 mOhm @ 100 kHz	Not specified	Active	2,546 Pcs
50YXF470MEFC12.5X20	Rubycon	470 µF	50 V	±20%	10,000 Hrs	-40°C ~ 105°C	0.197" (5.00 mm)	0.492" (12.50 mm)	0.866" (22.00 mm)	Not specified	62 mOhms	Last Time Buy	5,931 Pcs
50YXJ470M12.5X20	Rubycon	470 µF	50 V	±20%	10,000 Hrs	-40°C ~ 105°C	0.197" (5.00 mm)	0.492" (12.50 mm)	0.866" (22.00 mm)	Not specified	45 mOhms	Active	3,927 Pcs
50ZLH470MEFC12.5X20	Rubycon	470 µF	50 V	±20%	10,000 Hrs	-40°C ~ 105°C	0.197" (5.00 mm)	0.492" (12.50 mm)	0.866" (22.00 mm)	Not specified	27 mOhms	Active	18,373 Pcs
50ZLJ470M12.5X20	Rubycon	470 µF	50 V	±20%	10,000 Hrs	-40°C ~ 105°C	0.197" (5.00 mm)	0.492" (12.50 mm)	0.866" (22.00 mm)	Not specified	32 mOhms	Active	2,541 Pcs
EEU-EB1H471	Panasonic Electronic Components	470 µF	50 V	±20%	10,000 Hrs	-40°C ~ 105°C	0.197" (5.00 mm)	0.492" (12.50 mm)	0.866" (22.00 mm)	Not specified	Not specified	Active	2,744 Pcs
EEU-FR1H471	Panasonic Electronic Components	470 µF	50 V	±20%	10,000 Hrs	-40°C ~ 105°C	0.197" (5.00 mm)	0.492" (12.50 mm)	0.866" (22.00 mm)	Not specified	22 mOhms	Active	25,105 Pcs

Engineering Selection Recommendations

Primary Substitutes (Active Status, Highest Compatibility):

The following parts are recommended as direct substitutes based on Active product status and full parameter alignment:

EEU-FR1H471 (Panasonic): Active status with 25,105 units in inventory. Lowest impedance at 22 mOhms provides superior high-frequency ripple current performance (2.26 A @ 100 kHz).
50ZLH470MEFC12.5X20 (Rubycon): Active status with 18,373 units in inventory. Impedance of 27 mOhms and high ripple current capability (2.05 A @ 100 kHz).
50YXJ470M12.5X20 (Rubycon): Active status with 3,927 units in inventory. Impedance of 45 mOhms matches the original part specification.
B41888C6477M000 (EPCOS - TDK Electronics): Active status with 6,255 units in inventory. Extended operating temperature range (-55°C ~ 105°C) and AEC-Q200 automotive rating. ESR of 65 mOhm @ 10 kHz.
EKYA500ELL471MK20S (Chemi-Con): Active status with 1,625 units in inventory. Impedance of 45 mOhms and ripple current specifications match the original part.
EKZN500ELL471MK20S (Chemi-Con): Active status with 909 units in inventory. Lower impedance at 32 mOhms with higher ripple current capability (2.3 A @ 100 kHz).

Secondary Substitutes (Last Time Buy Status):

50YXF470MEFC12.5X20 (Rubycon): Last Time Buy status indicates limited future availability. Impedance of 62 mOhms. Use only when primary substitutes are unavailable.

Mechanical Consideration:

EST477M050AL3AA features a case diameter of 0.512" (13.00 mm) versus the standard 0.492" (12.50 mm). This 0.02" difference may affect PCB layout compatibility in space-constrained applications. Verify footprint clearance before selection.

Compliance Status:

All listed substitutes are ROHS3 Compliant and REACH Unaffected, meeting regulatory requirements equivalent to the original 477KBM050M.

Frequently Asked Questions (FAQ)

Q: Can I substitute the 477KBM050M with any of the listed parts without circuit redesign?

A: All listed parts meet the mandatory electrical and mechanical parameters (470 µF, 50 V, ±20% tolerance, 10,000 Hrs @ 105°C, -40°C ~ 105°C operating range, 0.197" lead spacing, radial can package, through-hole mounting). Direct substitution is supported from a functional standpoint. However, EST477M050AL3AA has a slightly larger case diameter (0.512" vs. 0.492") and should be verified for PCB layout compatibility.

Q: What is the difference between the substitute parts in terms of performance?

A: All substitutes maintain the same capacitance, voltage rating, and lifetime specifications. Performance differences are reflected in impedance and ripple current ratings. Lower impedance values (EEU-FR1H471 at 22 mOhms, 50ZLH470MEFC12.5X20 at 27 mOhms) indicate better high-frequency performance and lower ESR. Higher impedance values (50YXF470MEFC12.5X20 at 62 mOhms) indicate reduced high-frequency ripple current capability. Select based on circuit ripple current requirements.

Q: Are there any temperature range differences I should consider?

A: The original 477KBM050M operates from -40°C to 105°C. B41888C6477M000 extends the lower temperature limit to -55°C, providing enhanced cold-temperature performance. All other substitutes maintain the -40°C to 105°C range. Select B41888C6477M000 only if extended low-temperature operation is required.

Q: What does "Last Time Buy" status mean for 50YXF470MEFC12.5X20?

A: Last Time Buy indicates that Rubycon will discontinue this part after current inventory is depleted. While currently available (5,931 units in stock), this part should be used only when primary Active-status alternatives are unavailable. For new designs, select from Active-status substitutes to ensure long-term supply continuity.

Q: How do I choose between multiple Active substitutes?

A: Selection criteria depend on application requirements. For general-purpose applications with standard ripple current demands, EKYA500ELL471MK20S or 50YXJ470M12.5X20 provide direct parameter matching. For high-ripple-current applications, select EEU-FR1H471 or 50ZLH470MEFC12.5X20 based on impedance performance. For automotive applications, B41888C6477M000 with AEC-Q200 rating is appropriate.

Q: Is the height difference between parts significant?

A: EKYA500ELL471MK20S and EKZN500ELL471MK20S have a maximum seated height of 0.846" (21.50 mm) compared to 0.866" (22.00 mm) for the original part and most substitutes. This 0.02" difference is negligible for most applications but should be verified in space-constrained PCB designs with tight vertical clearance requirements.

Q: Do all substitutes have the same RoHS and REACH compliance?

A: Yes. All listed substitute parts are ROHS3 Compliant and REACH Unaffected, matching the compliance status of the original 477KBM050M. No additional compliance verification is required for regulatory purposes.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message