Nichicon USV0J221MFD Equivalent & Substitute Parts

Part Overview

The Nichicon USV0J221MFD is a 220 µF, 6.3 V aluminum electrolytic capacitor in radial, can package format with a rated lifetime of 5000 hours at 105°C. This component is classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing production support and design continuity. Substitute parts must maintain electrical performance within the specified tolerance and voltage parameters while accommodating available packaging and mounting options.

Key Parameters

Parameter	Value
Capacitance	220 µF
Tolerance	±20%
Voltage - Rated	6.3 V
Lifetime @ Temperature	5000 Hrs @ 105°C
Operating Temperature Range	-40°C ~ 105°C
Polarization	Polar
Mounting Type	Through Hole
Package / Case	Radial, Can
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the USV0J221MFD is determined by the following mandatory parameters:

Capacitance value: 220 µF (exact match required)
Tolerance: ±20% (exact match required)
Voltage rating: 6.3 V (exact match required)
Polarization: Polar (exact match required)
Operating temperature range: -40°C ~ 105°C (exact match required)
RoHS compliance: ROHS3 Compliant (exact match required)

Substitute parts are grouped into two categories based on mounting configuration:

Category 1: Through-Hole Radial, Can (Direct Pin-Compatible Substitutes)

UHV0J221MDD: Identical electrical specifications with different physical dimensions and improved ripple current handling
UHV1E221MPD: Identical capacitance and tolerance but rated at 25 V (higher voltage rating, backward compatible for 6.3 V applications)

Category 2: Surface Mount Radial, Can - SMD (Package Variant)

UUL0J221MCL1GS: Identical electrical specifications in surface mount configuration; requires PCB redesign for mounting compatibility

Parameter Comparison

Parameter	USV0J221MFD	UHV0J221MDD	UHV1E221MPD	UUL0J221MCL1GS
Capacitance	220 µF	220 µF	220 µF	220 µF
Tolerance	±20%	±20%	±20%	±20%
Voltage - Rated	6.3 V	6.3 V	25 V	6.3 V
Lifetime @ Temp.	5000 Hrs @ 105°C	5000 Hrs @ 105°C	6000 Hrs @ 105°C	5000 Hrs @ 105°C
Operating Temperature	-40°C ~ 105°C	-40°C ~ 105°C	-40°C ~ 105°C	-40°C ~ 105°C
Polarization	Polar	Polar	Polar	Polar
Mounting Type	Through Hole	Through Hole	Through Hole	Surface Mount
Package / Case	Radial, Can	Radial, Can	Radial, Can	Radial, Can - SMD
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Obsolete	Obsolete	Not For New Designs	Active

Engineering Selection Recommendations

For Through-Hole PCB Designs (Direct Replacement):

UHV0J221MDD is the preferred direct substitute for the USV0J221MFD. Both components maintain identical electrical specifications and through-hole mounting compatibility. The UHV0J221MDD offers superior ripple current performance (180 mA @ 120 Hz and 360 mA @ 100 kHz versus 130 mA @ 120 Hz and 195 mA @ 10 kHz) and lower impedance (230 mOhms), providing enhanced reliability in high-ripple current applications. Both parts are ROHS3 compliant and obsolete, requiring inventory planning for long-term supply.

UHV1E221MPD is functionally compatible as a substitute with the advantage of a higher 25 V voltage rating, providing additional design margin in 6.3 V applications. This part carries "Not For New Designs" status and is REACH Affected, limiting its suitability for new product development. The extended lifetime rating of 6000 hours at 105°C offers improved longevity compared to the 5000-hour specification of the original part.

For Surface Mount PCB Designs (Package Variant):

UUL0J221MCL1GS is the surface mount equivalent, maintaining all core electrical specifications while offering Active product status. This component is suitable for new designs and provides the most current manufacturing support. Implementation requires PCB redesign to accommodate surface mount land patterns (0.260" L x 0.260" W / 6.60mm x 6.60mm).

Frequently Asked Questions (FAQ)

Q: Can UHV0J221MDD be used as a direct pin-for-pin replacement for USV0J221MFD?

A: UHV0J221MDD is electrically equivalent and maintains through-hole radial can packaging. Physical dimensions differ: the UHV0J221MDD has a smaller diameter (0.197" vs 0.315") but greater height (0.492" vs 0.315"). Verify PCB layout clearance before substitution.

Q: What is the difference between the 6.3 V and 25 V rated versions?

A: UHV1E221MPD is rated at 25 V versus the 6.3 V rating of USV0J221MFD. Both maintain 220 µF capacitance and ±20% tolerance. The 25 V rating provides higher voltage margin and is backward compatible for 6.3 V circuit applications. The 25 V part occupies greater height (0.512" vs 0.315") and exhibits lower impedance (59 mOhms vs 230 mOhms for UHV0J221MDD).

Q: Is UUL0J221MCL1GS suitable for existing through-hole PCB designs?

A: No. UUL0J221MCL1GS is a surface mount component requiring SMD land patterns. Direct substitution into through-hole designs is not possible without PCB redesign. This part is recommended only for new surface mount designs.

Q: What are the compliance and availability considerations?

A: USV0J221MFD and UHV0J221MDD are both obsolete. UHV1E221MPD is marked "Not For New Designs" with REACH Affected status. UUL0J221MCL1GS is the only Active product with current manufacturing support and is recommended for new designs requiring 220 µF, 6.3 V aluminum electrolytic capacitors in surface mount configuration.

Q: Can these parts be used interchangeably in high-ripple current applications?

A: No. Ripple current ratings differ significantly. UHV0J221MDD supports 360 mA @ 100 kHz, while USV0J221MFD supports only 195 mA @ 10 kHz. UUL0J221MCL1GS supports 151.5 mA @ 10 kHz. Select the substitute based on actual ripple current requirements in the target application.

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