477HSM010M Equivalent & Substitute Parts Reference

Part Overview

The 477HSM010M is a 470 µF, 10 V aluminum electrolytic capacitor in radial, can package manufactured by Cornell Dubilier / Illinois Capacitor. This component is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement continuity. The part operates across a temperature range of -40°C to 125°C with a rated lifetime of 2000 hours at 125°C, serving general-purpose applications requiring stable capacitance and low equivalent series resistance.

Key Parameters

Parameter	477HSM010M Value
Capacitance	470 µF
Voltage Rating	10 V
Tolerance	±20%
ESR @ 120 Hz	705 mOhm
Lifetime @ Temperature	2000 Hrs @ 125°C
Operating Temperature Range	-40°C ~ 125°C
Ripple Current @ 120 Hz	270 mA
Ripple Current @ 10 kHz	337.5 mA
Lead Spacing	0.197" (5.00 mm)
Case Diameter	0.394" (10.00 mm)
Height (Seated Max)	0.551" (14.00 mm)
Mounting Type	Through Hole
Package / Case	Radial, Can
Polarization	Polar
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution eligibility for the 477HSM010M is determined by the following critical parameters:

Primary Matching Criteria:

Capacitance: 470 µF (exact match required)
Tolerance: ±20% (exact match required)
Voltage Rating: 10 V minimum (equal or higher acceptable)
Lead Spacing: 0.197" (5.00 mm) (exact match required)
Case Diameter: 0.394" (10.00 mm) (exact match required)
Mounting Type: Through Hole (exact match required)
Package / Case: Radial, Can (exact match required)
Polarization: Polar (exact match required)

Secondary Compatibility Parameters:

Operating Temperature Range: -40°C to 125°C minimum coverage
Lifetime @ Temperature: 2000 hours @ 125°C minimum
Ripple Current Ratings: Must support application requirements
ESR / Impedance: Lower values indicate improved performance

Substitute parts are grouped into two categories:

Direct Equivalents (10 V Rated): Parts maintaining the original 10 V voltage rating with identical physical dimensions and electrical specifications.

Upgraded Substitutes (10 V or 16 V Rated): Parts with enhanced performance characteristics including higher temperature ratings, extended lifetime, improved ripple current handling, or automotive-grade certifications, while maintaining physical compatibility.

Parameter Comparison

Part Number	Manufacturer	Capacitance	Voltage	Tolerance	Lifetime @ Temp	Operating Temp Range	Lead Spacing	Height (Max)	Product Status	Ripple Current @ 120 Hz
477HSM010M	Cornell Dubilier / Illinois Capacitor	470 µF	10 V	±20%	2000 Hrs @ 125°C	-40°C ~ 125°C	0.197" (5.00 mm)	0.551" (14.00 mm)	Obsolete	270 mA @ 120 Hz
EEU-TA1A471	Panasonic Electronic Components	470 µF	10 V	±20%	2000 Hrs @ 125°C	-40°C ~ 125°C	0.197" (5.00 mm)	0.531" (13.50 mm)	Active	510 mA @ 120 Hz
10RX30470M10X12.5	Rubycon	470 µF	10 V	±20%	2000 Hrs @ 130°C	-40°C ~ 130°C	0.197" (5.00 mm)	0.571" (14.50 mm)	Active	465 mA @ 120 Hz
16RX30470M10X12.5	Rubycon	470 µF	16 V	±20%	2000 Hrs @ 130°C	-40°C ~ 130°C	0.197" (5.00 mm)	0.551" (14.00 mm)	Active	465 mA @ 120 Hz
B41866C4477M000	EPCOS - TDK Electronics	470 µF	16 V	±20%	3000 Hrs @ 125°C	-55°C ~ 125°C	0.197" (5.00 mm)	0.531" (13.50 mm)	Active	Not specified
EGXL100ELL471MJC5S	Chemi-Con	470 µF	10 V	±20%	5000 Hrs @ 125°C	-40°C ~ 125°C	0.197" (5.00 mm)	0.551" (14.00 mm)	Active	400 mA @ 120 Hz
MAL214655471E3	Vishay Beyschlag/Draloric/BC Components	470 µF	16 V	±20%	2500 Hrs @ 125°C	-55°C ~ 125°C	0.197" (5.00 mm)	0.531" (13.50 mm)	Active	Not specified
UBT1A471MPD8	Nichicon	470 µF	10 V	±20%	5000 Hrs @ 125°C	-40°C ~ 125°C	0.197" (5.00 mm)	0.571" (14.50 mm)	Active	340 mA @ 120 Hz
UBW1A471MPD	Nichicon	470 µF	10 V	±20%	2000 Hrs @ 135°C	-55°C ~ 135°C	0.197" (5.00 mm)	0.571" (14.50 mm)	Active	340 mA @ 120 Hz

Engineering Selection Recommendations

Direct Equivalent Selection:

The EEU-TA1A471 (Panasonic) serves as the primary direct equivalent, maintaining identical electrical specifications (470 µF, 10 V, ±20%, 2000 Hrs @ 125°C) with active product status and ROHS3 compliance. Physical height is 0.531" versus the original 0.551", representing a minor reduction that remains compatible with standard through-hole PCB layouts. Ripple current capability is enhanced at 510 mA @ 120 Hz compared to 270 mA in the original part.

Upgraded Substitute Selection for Enhanced Performance:

EGXL100ELL471MJC5S (Chemi-Con GXL Series) provides extended lifetime (5000 Hrs @ 125°C versus 2000 Hrs), maintains 10 V rating, and achieves identical physical dimensions (0.551" height). AEC-Q200 automotive qualification and ROHS3 compliance are included. Ripple current is rated at 400 mA @ 120 Hz.

UBT1A471MPD8 (Nichicon UBT Series) offers 5000-hour lifetime at 125°C with 10 V rating and automotive application support. Height is 0.571", representing a 0.020" increase from the original specification. Ripple current capability is 340 mA @ 120 Hz.

UBW1A471MPD (Nichicon UBW Series) extends operating temperature to -55°C to 135°C with 2000-hour lifetime at the elevated 135°C temperature. This part accommodates wider temperature extremes while maintaining 10 V rating and automotive-grade performance.

Higher Voltage Substitutes (16 V Rated):

16RX30470M10X12.5 (Rubycon RX30), MAL214655471E3 (Vishay), and B41866C4477M000 (EPCOS/TDK) provide 16 V ratings with AEC-Q200 automotive certification. These parts are electrically backward-compatible in 10 V applications and offer extended thermal performance. Physical dimensions remain within acceptable tolerances for through-hole mounting.

All substitute parts maintain the critical parameters: 470 µF capacitance, ±20% tolerance, 0.197" lead spacing, 0.394" case diameter, radial can package, and through-hole mounting configuration.

Frequently Asked Questions (FAQ)

Q: Can I use a 16 V rated substitute in place of the 10 V 477HSM010M?

A: Yes. A higher voltage rating is electrically backward-compatible. The 16 V substitutes (16RX30470M10X12.5, MAL214655471E3, B41866C4477M000) operate safely in 10 V applications. Voltage rating indicates the maximum safe operating voltage; using a part rated for higher voltage in a lower-voltage circuit does not create a functional problem.

Q: What is the significance of the height difference between substitute parts?

A: The 477HSM010M has a seated height of 0.551". Substitute parts range from 0.531" to 0.571". These variations (±0.020") are within standard PCB design tolerances for through-hole components. Verify clearance in your specific PCB layout, particularly if space constraints exist above the capacitor location.

Q: Why do some substitutes have higher ripple current ratings?

A: Ripple current capacity depends on internal construction and thermal design. Higher ratings indicate improved ability to dissipate heat generated by AC current flow. The 477HSM010M is rated at 270 mA @ 120 Hz; substitutes with higher ratings (EEU-TA1A471 at 510 mA, EGXL100ELL471MJC5S at 400 mA) provide design margin for applications with elevated ripple current demands.

Q: What does "lifetime @ temperature" mean, and why does it vary?

A: Lifetime specifies the expected operational duration at a stated temperature before capacitance degradation reaches specified limits. The 477HSM010M is rated 2000 hours @ 125°C. Substitutes with extended lifetimes (5000 hours) indicate superior electrolyte formulation and construction, resulting in longer service life under identical thermal stress.

Q: Are all substitute parts RoHS3 compliant?

A: All listed substitute parts are RoHS3 compliant. The original 477HSM010M product status is obsolete, predating modern compliance requirements. Active substitute parts meet current environmental and material restriction standards.

Q: Which substitute is best for automotive applications?

A: Multiple substitutes carry AEC-Q200 automotive qualification: 10RX30470M10X12.5, 16RX30470M10X12.5, EGXL100ELL471MJC5S, and MAL214655471E3. These parts undergo automotive-grade reliability testing and are suitable for under-hood and high-reliability environments.

Q: Can I mix different substitute part numbers in the same design?

A: Yes, provided all selected parts meet the minimum electrical and physical requirements for your application. All listed substitutes share identical capacitance (470 µF), tolerance (±20%), lead spacing (5.00 mm), case diameter (10.00 mm), and mounting type (through-hole radial). Verify that the specific height and ripple current ratings of each part are acceptable for your PCB layout and circuit requirements.

Q: What is the difference between the Panasonic EEU-TA1A471 and the Chemi-Con EGXL100ELL471MJC5S?

A: Both are 470 µF, 10 V, ±20% parts with identical lead spacing and case diameter. The primary difference is lifetime: EEU-TA1A471 is rated 2000 hours @ 125°C, while EGXL100ELL471MJC5S is rated 5000 hours @ 125°C. The Chemi-Con part offers extended service life and includes AEC-Q200 automotive qualification. Physical height differs slightly (0.531" versus 0.551").

Q: Do I need to change PCB footprint or layout for any substitute?

A: No. All substitute parts maintain the critical through-hole parameters: 0.197" (5.00 mm) lead spacing and 0.394" (10.00 mm) case diameter. PCB footprints designed for the 477HSM010M accommodate all listed substitutes. Verify clearance above the component if height variation (0.531" to 0.571") affects your specific layout.

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