UCS2W470MHD Equivalent & Substitute Parts

Part Overview

The UCS2W470MHD is a 47 µF, 450 V aluminum electrolytic capacitor in radial configuration manufactured by Nichicon. This component is classified as Active and serves general-purpose applications requiring high-voltage energy storage and filtering. The UCS series offers a 10,000-hour lifetime rating at 105°C with a ±20% capacitance tolerance.

Equivalent and substitute parts become necessary when the original part is unavailable, when extended operational lifetime is required, or when design specifications allow for compatible alternatives from different manufacturers while maintaining electrical and mechanical compatibility.

Key Parameters

Parameter	Value
Capacitance	47 µF
Voltage Rating	450 V
Tolerance	±20%
Package Type	Radial, Can
Mounting Type	Through Hole
Lead Spacing	0.295" (7.50 mm)
Case Diameter	0.709" (18.00 mm)
Maximum Height	1.043" (26.50 mm)
Operating Temperature Range	-25°C to 105°C
Polarization	Polar

Substitute Part Grouping Explanation

Substitution of the UCS2W470MHD is determined by strict equivalence across the following parameters:

Electrical Equivalence: Capacitance value (47 µF), voltage rating (450 V), and tolerance (±20%) must match exactly
Mechanical Compatibility: Lead spacing (7.50 mm), case diameter (18.00 mm), and mounting type (Through Hole, Radial) must be identical to ensure PCB fit without redesign
Package Conformance: Radial, Can package type is mandatory for form-factor compatibility
Polarization: Polar configuration must be maintained

The following parts meet these criteria and are electrically and mechanically interchangeable with the UCS2W470MHD:

ULD2W470MHD (Nichicon) – Upgrade option with extended 20,000-hour lifetime
EEU-EE2W470S (Panasonic Electronic Components) – Direct equivalent with matching 10,000-hour lifetime
450LLE47MEFC18X25 (Rubycon) – Upgrade option with extended 20,000-hour lifetime

Parameter Comparison

Parameter	UCS2W470MHD	ULD2W470MHD	EEU-EE2W470S	450LLE47MEFC18X25
Manufacturer	Nichicon	Nichicon	Panasonic Electronic Components	Rubycon
Capacitance	47 µF	47 µF	47 µF	47 µF
Voltage Rating	450 V	450 V	450 V	450 V
Tolerance	±20%	±20%	±20%	±20%
Lifetime @ 105°C	10,000 Hrs	20,000 Hrs	10,000 Hrs	20,000 Hrs
Operating Temperature	-25°C to 105°C	-40°C to 105°C	-25°C to 105°C	-25°C to 105°C
Lead Spacing	0.295" (7.50 mm)	0.295" (7.50 mm)	0.295" (7.50 mm)	0.295" (7.50 mm)
Case Diameter	0.709" (18.00 mm)	0.709" (18.00 mm)	0.709" (18.00 mm)	0.709" (18.00 mm)
Maximum Height	1.043" (26.50 mm)	1.063" (27.00 mm)	1.063" (27.00 mm)	1.063" (27.00 mm)
Package Type	Radial, Can	Radial, Can	Radial, Can	Radial, Can
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole
Product Status	Active	Not For New Designs	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
REACH Status	REACH Unaffected	REACH Affected	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

Direct Equivalent (No Design Changes Required): EEU-EE2W470S from Panasonic Electronic Components is a direct equivalent with identical electrical specifications and matching 10,000-hour lifetime. This part is Active status and REACH Unaffected, making it suitable for new designs and applications with no PCB modifications.

Upgrade Options (Extended Lifetime): Both ULD2W470MHD (Nichicon) and 450LLE47MEFC18X25 (Rubycon) provide doubled operational lifetime (20,000 hours at 105°C) while maintaining all critical electrical and mechanical parameters. The ULD2W470MHD carries "Not For New Designs" status; however, it remains functionally compatible for existing applications. The 450LLE47MEFC18X25 is Active status and recommended for applications requiring extended operational life.

Mechanical Consideration: ULD2W470MHD, EEU-EE2W470S, and 450LLE47MEFC18X25 have maximum heights of 1.063" (27.00 mm), compared to the UCS2W470MHD at 1.043" (26.50 mm). Verify PCB clearance in height-constrained applications before substitution.

Compliance Consideration: All substitute parts are ROHS3 Compliant. The ULD2W470MHD is REACH Affected; verify regulatory requirements for your application region before selection.

Frequently Asked Questions (FAQ)

Q: Can I substitute EEU-EE2W470S for UCS2W470MHD without PCB modifications? A: Yes. EEU-EE2W470S is mechanically and electrically equivalent. Both have identical lead spacing (7.50 mm), case diameter (18.00 mm), and mounting configuration. Verify clearance for the 0.020" (0.50 mm) height difference.

Q: What is the advantage of ULD2W470MHD or 450LLE47MEFC18X25 over the original UCS2W470MHD? A: Both parts double the operational lifetime from 10,000 hours to 20,000 hours at 105°C, extending component reliability in high-temperature applications. All other electrical specifications remain identical.

Q: Are all substitute parts ROHS3 compliant? A: Yes. UCS2W470MHD, ULD2W470MHD, EEU-EE2W470S, and 450LLE47MEFC18X25 are all ROHS3 Compliant.

Q: Does the ULD2W470MHD "Not For New Designs" status affect its use as a substitute? A: The "Not For New Designs" designation indicates Nichicon's product lifecycle status. The part remains functionally compatible and electrically equivalent for existing applications and retrofit scenarios. For new designs, EEU-EE2W470S or 450LLE47MEFC18X25 are recommended as they carry Active status.

Q: What is the difference in ripple current handling between these parts? A: Ripple current specifications vary by manufacturer and series design. Verify ripple current requirements for your specific application circuit before final selection.

Q: Can I use these parts interchangeably in high-temperature environments? A: All parts operate within -25°C to 105°C (ULD2W470MHD extends to -40°C minimum). At 105°C, ULD2W470MHD and 450LLE47MEFC18X25 provide extended 20,000-hour lifetimes compared to the 10,000-hour rating of UCS2W470MHD and EEU-EE2W470S.

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