Equivalent & Substitute Parts for 477HSM016M

Part Overview

The 477HSM016M is a 470 µF, 16 V aluminum electrolytic capacitor in radial, can package manufactured by Cornell Dubilier / Illinois Capacitor. This component is classified as obsolete, with 859 units currently in stock. The HSM series capacitor is rated for general-purpose applications with a 2000-hour lifetime at 125°C and an operating temperature range of -40°C to 125°C.

Due to the obsolete status of the 477HSM016M, equivalent and substitute parts from active manufacturers are necessary to ensure long-term component availability and supply chain continuity. Substitute parts are selected based on matching or exceeding the electrical and mechanical parameters of the original component while maintaining compatibility with the through-hole radial, can package format.

Key Parameters

Parameter	477HSM016M Value	Substitution Criteria
Capacitance	470 µF	Must match exactly
Voltage Rating	16 V	Must match or exceed
Tolerance	±20%	Must match or be tighter
Package Type	Radial, Can	Must match exactly
Lead Spacing	0.197" (5.00 mm)	Must match exactly
Diameter	0.394" (10.00 mm)	Must match exactly
Height (Max)	0.689" (17.50 mm)	Must match or be less
Mounting Type	Through Hole	Must match exactly
Operating Temperature	-40°C ~ 125°C	Must cover or exceed range
Lifetime @ Temperature	2000 Hrs @ 125°C	Must meet or exceed

Substitute Part Grouping Explanation

Substitute parts for the 477HSM016M are organized into two categories based on voltage rating and application profile:

Direct Equivalents (16 V Rating): Parts maintaining the original 16 V voltage specification. These substitutes are suitable for direct replacement in applications where the 16 V rating is specified and adequate for the circuit design.

Upgraded Substitutes (25 V Rating): Parts with elevated 25 V voltage rating. These components provide additional voltage margin and are suitable for applications where higher voltage tolerance is acceptable or beneficial. Upgraded substitutes may also feature extended lifetime ratings and automotive-grade certifications.

Substitution Logic: All substitute parts maintain the 470 µF capacitance value, ±20% tolerance, radial can package, 5.00 mm lead spacing, and 10.00 mm diameter. Height variations are noted where applicable. Voltage rating upgrades from 16 V to 25 V do not compromise circuit compatibility in applications designed for 16 V operation, as the substitute will withstand the applied voltage with increased safety margin.

Parameter Comparison

Part Number	Manufacturer	Capacitance	Voltage	Tolerance	Lifetime @ 125°C	Height (Max)	Product Status	Impedance
477HSM016M	Cornell Dubilier / Illinois Capacitor	470 µF	16 V	±20%	2000 Hrs	0.689" (17.50 mm)	Obsolete	564 mOhm @ 120 Hz
EEU-TA1C471	Panasonic Electronic Components	470 µF	16 V	±20%	2000 Hrs	0.669" (17.00 mm)	Active	75 mOhms
EGXL160ELL471MJ16S	Chemi-Con	470 µF	16 V	±20%	5000 Hrs	0.689" (17.50 mm)	Active	120 mOhms
MAL214055471E3	Vishay Beyschlag/Draloric/BC Components	470 µF	16 V	±20%	3000 Hrs	0.689" (17.50 mm)	Active	150 mOhms
MAL214065471E3	Vishay Beyschlag/Draloric/BC Components	470 µF	16 V	±20%	3000 Hrs	0.689" (17.50 mm)	Active	150 mOhms
UBT1C471MPD8	Nichicon	470 µF	16 V	±20%	5000 Hrs	0.709" (18.00 mm)	Active	75 mOhms
25RX30470M10X16	Rubycon	470 µF	25 V	±20%	2000 Hrs @ 130°C	0.689" (17.50 mm)	Active	100 mOhms
B41866C5477M000	EPCOS - TDK Electronics	470 µF	25 V	±20%	3000 Hrs	0.669" (17.00 mm)	Active	160 mOhms
EEU-TP1E471	Panasonic Electronic Components	470 µF	25 V	±20%	3000 Hrs	0.689" (17.50 mm)	Active	Not specified
MAL214656471E3	Vishay Beyschlag/Draloric/BC Components	470 µF	25 V	±20%	2500 Hrs	0.689" (17.50 mm)	Active	75 mOhms
MAL214666471E3	Vishay Beyschlag/Draloric/BC Components	470 µF	25 V	±20%	2500 Hrs	0.689" (17.50 mm)	Active	75 mOhms

Engineering Selection Recommendations

For Direct 16 V Replacement:

EEU-TA1C471 (Panasonic) is an active-status direct equivalent with matching 16 V rating, 470 µF capacitance, and ±20% tolerance. This part maintains the same lifetime specification (2000 Hrs @ 125°C) and features reduced impedance (75 mOhms) compared to the original. Height is 0.669" (17.00 mm), which is 0.020" shorter than the original, ensuring compatibility with space-constrained PCB layouts.

EGXL160ELL471MJ16S (Chemi-Con) provides extended lifetime (5000 Hrs @ 125°C) while maintaining 16 V rating and identical physical dimensions to the original. This part carries AEC-Q200 automotive qualification and ROHS3 compliance, suitable for applications requiring enhanced reliability.

UBT1C471MPD8 (Nichicon) offers 5000-hour lifetime at 16 V with low impedance (75 mOhms). Height is 0.709" (18.00 mm), which is 0.020" taller than the original and must be verified for PCB clearance in space-constrained applications.

For Upgraded 25 V Replacement:

EEU-TP1E471 (Panasonic) provides 25 V rating with extended 3000-hour lifetime and AEC-Q200 automotive qualification. Operating temperature range extends to 135°C. This part is suitable for applications where voltage margin enhancement is desired.

MAL214656471E3 and MAL214666471E3 (Vishay) both offer 25 V rating with 2500-hour lifetime and AEC-Q200 qualification. Low impedance (75 mOhms) and identical physical dimensions to the original support direct PCB substitution.

Compliance and Certifications:

All active substitute parts are ROHS3 compliant. Automotive-rated parts (AEC-Q200) include EGXL160ELL471MJ16S, EEU-TP1E471, 25RX30470M10X16, MAL214656471E3, and MAL214666471E3. Selection of automotive-qualified parts is recommended for applications requiring enhanced reliability and traceability.

Frequently Asked Questions (FAQ)

Q: Can I use a 25 V rated capacitor in place of the original 16 V part?

A: Yes. A 25 V rated capacitor is electrically compatible with a 16 V application. The higher voltage rating provides additional safety margin and does not degrade circuit performance. The capacitor will operate within its rated voltage specification when subjected to 16 V or lower applied voltage.

Q: What is the significance of impedance values in the comparison table?

A: Impedance (measured in milliohms) represents the equivalent series resistance (ESR) of the capacitor at a specified frequency. Lower impedance values indicate better high-frequency performance and reduced ripple current losses. Substitutes with lower impedance than the original (477HSM016M: 564 mOhm @ 120 Hz) provide improved performance characteristics.

Q: Are there height restrictions I should consider?

A: Yes. The original 477HSM016M has a maximum seated height of 0.689" (17.50 mm). Substitute parts vary: EEU-TA1C471 and B41866C5477M000 are 0.020" shorter (0.669" / 17.00 mm), while UBT1C471MPD8 is 0.020" taller (0.709" / 18.00 mm). Verify PCB clearance and component placement constraints before selection.

Q: What does AEC-Q200 qualification mean?

A: AEC-Q200 is an automotive industry standard qualification for discrete semiconductors and passive components. Parts carrying this certification have undergone rigorous testing for reliability, temperature cycling, and long-term performance in automotive environments. Selection of AEC-Q200 qualified parts is recommended for automotive and high-reliability applications.

Q: Do all substitute parts have the same lead spacing and diameter?

A: Yes. All substitute parts maintain the original 0.197" (5.00 mm) lead spacing and 0.394" (10.00 mm) diameter, ensuring mechanical compatibility with existing PCB footprints. Height variations are the only dimensional difference requiring verification.

Q: What is the difference between the Vishay MAL214055471E3 and MAL214065471E3?

A: Both parts are electrically and mechanically identical: 470 µF, 16 V, ±20% tolerance, 3000-hour lifetime at 125°C, and identical physical dimensions. The difference in part number designation reflects internal Vishay product line organization but does not affect functional performance or substitution suitability.

Q: Which substitute offers the longest operational lifetime?

A: EGXL160ELL471MJ16S (Chemi-Con) and UBT1C471MPD8 (Nichicon) both provide 5000-hour lifetime at 125°C, compared to the original 2000-hour specification. These parts are suitable for applications requiring extended service life and reduced maintenance intervals.

Q: Is ROHS3 compliance important for my application?

A: ROHS3 (Restriction of Hazardous Substances Directive 3) compliance is mandatory for products sold in the European Union and increasingly required by global supply chain standards. All active substitute parts listed are ROHS3 compliant, ensuring regulatory compliance and environmental responsibility.

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