Nichicon USF1C220MDD Equivalent & Substitute Parts

Part Overview

The Nichicon USF1C220MDD is a 22 µF, 16 V aluminum electrolytic capacitor in radial, can package rated for 1000 hours at 105°C. This part carries an obsolete product status, making equivalent and substitute parts necessary for ongoing design support and procurement. The USF series represents a legacy component line that has been superseded by newer Nichicon capacitor families offering improved performance characteristics and extended operational lifetimes.

Substiute Parts

USF1C220MDD

NichiconIn Stock: 986USF1C220MDD Datasheet

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RNS1C220MDS1

NichiconIn Stock: 981RNS1C220MDS1 Datasheet

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UPS1C220MDD

NichiconIn Stock: 3369UPS1C220MDD Datasheet

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UPW1C220MDD

NichiconIn Stock: 5830UPW1C220MDD Datasheet

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UWT1C220MCL1GB

NichiconIn Stock: 10217UWT1C220MCL1GB Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution for the USF1C220MDD is determined by strict equivalence across the following parameters: capacitance value (22 µF), voltage rating (16 V), tolerance (±20%), operating temperature range (-55°C to 105°C), polarization (polar), and mounting compatibility. Substitute parts must maintain the same electrical specifications and physical form factor to ensure direct replacement without circuit redesign.

The substitute parts are grouped into two categories based on mounting type and technology:

Through-Hole Aluminum Electrolytic Substitutes: UPS1C220MDD and UPW1C220MDD maintain identical lead spacing (0.079" / 2.00 mm) and radial can package, enabling direct PCB footprint compatibility. These parts offer extended lifetime ratings (2000 hours at 105°C) compared to the original USF1C220MDD.

Polymer-Enhanced Through-Hole Substitute: RNS1C220MDS1 provides aluminum-polymer capacitor technology with improved electrical performance (49 mOhm ESR, 2000-hour lifetime) while maintaining the same capacitance, voltage, and tolerance specifications. Lead spacing differs slightly (0.098" / 2.50 mm), requiring PCB layout verification.

Surface-Mount Substitute: UWT1C220MCL1GB is a surface-mount variant of the same electrical specification, suitable for applications requiring SMD assembly. This part is not a direct through-hole replacement but represents the modern equivalent for new designs.

Parameter Comparison

Engineering Selection Recommendations

For through-hole applications requiring direct PCB footprint compatibility with the USF1C220MDD, UPS1C220MDD and UPW1C220MDD are qualified substitutes. Both maintain identical lead spacing (2.00 mm) and radial can package geometry. UPW1C220MDD is preferred where space constraints exist, as its seated height (11.00 mm) is lower than UPS1C220MDD (12.50 mm), while both provide doubled lifetime ratings (2000 hours at 105°C) compared to the original part.

RNS1C220MDS1 offers polymer-enhanced technology with superior electrical performance (49 mOhm ESR, 1.9 A ripple current at 100 kHz) and extended lifetime. However, the increased lead spacing (2.50 mm) and larger diameter (6.30 mm) require PCB layout verification before implementation.

UWT1C220MCL1GB represents the active product line equivalent for new designs utilizing surface-mount assembly. This part is not suitable as a direct replacement in through-hole applications but is the recommended choice for modern PCB designs.

All substitute parts maintain ROHS3 compliance and the same operating temperature range, ensuring regulatory and thermal compatibility with the original specification.

Frequently Asked Questions (FAQ)

Q: Can UPS1C220MDD or UPW1C220MDD be used as direct replacements for USF1C220MDD?

A: Yes, both UPS1C220MDD and UPW1C220MDD are direct through-hole replacements. They share identical lead spacing (0.079" / 2.00 mm), capacitance (22 µF), voltage rating (16 V), and radial can package. Both offer improved lifetime ratings (2000 hours at 105°C versus 1000 hours for the original part). Verify PCB clearance for the increased seated heights (12.50 mm and 11.00 mm respectively) before installation.

Q: What is the difference between aluminum electrolytic and aluminum-polymer capacitors?

A: RNS1C220MDS1 uses aluminum-polymer technology, which reduces equivalent series resistance (ESR) to 49 mOhm compared to standard aluminum electrolytic designs. This results in lower impedance, higher ripple current handling (1.9 A at 100 kHz), and extended operational lifetime (2000 hours at 105°C). The trade-off is slightly larger physical dimensions (0.248" diameter, 2.50 mm lead spacing).

Q: Is UWT1C220MCL1GB compatible with through-hole PCB designs?

A: No. UWT1C220MCL1GB is a surface-mount component (SMD) and cannot be used in through-hole applications. It is designed for automated SMD assembly processes and requires different PCB footprints and soldering methods. This part is recommended for new designs utilizing surface-mount technology.

Q: Do all substitute parts meet the same compliance standards as USF1C220MDD?

A: Yes. All substitute parts listed (UPS1C220MDD, UPW1C220MDD, RNS1C220MDS1, and UWT1C220MCL1GB) are ROHS3 compliant and REACH unaffected, matching the regulatory status of the original part.

Q: What is the impact of different lead spacing on PCB compatibility?

A: UPS1C220MDD and UPW1C220MDD maintain the original 0.079" (2.00 mm) lead spacing and are direct footprint matches. RNS1C220MDS1 uses 0.098" (2.50 mm) lead spacing, requiring PCB layout modification. Verify hole positions and trace routing before selecting RNS1C220MDS1 as a substitute.

Q: Which substitute offers the best performance improvement over USF1C220MDD?

A: RNS1C220MDS1 provides the most significant performance enhancement with 49 mOhm ESR, 2000-hour lifetime, and 1.9 A ripple current capability at 100 kHz. However, physical dimension changes require PCB verification. For direct footprint compatibility with performance improvement, UPW1C220MDD offers a balanced solution with doubled lifetime and lower impedance (600 mOhms) while maintaining identical lead spacing.