Equivalent & Substitute Parts for UST0J220MDD

Part Overview

The UST0J220MDD is a 22 µF, 6.3 V aluminum electrolytic capacitor in radial, can package manufactured by Nichicon. This component is classified as obsolete, which necessitates identification of equivalent and substitute parts for ongoing design support and procurement. The part operates across a temperature range of -55°C to 105°C with a rated lifetime of 1000 hours at 105°C, making it suitable for general-purpose applications requiring stable capacitance in through-hole configurations.

Key Parameters

Parameter	Value
Capacitance	22 µF
Tolerance	±20%
Voltage - Rated	6.3 V
Lifetime @ Temperature	1000 Hrs @ 105°C
Operating Temperature Range	-55°C ~ 105°C
Ripple Current @ 120 Hz	34 mA
Mounting Type	Through Hole
Package / Case	Radial, Can
Size / Dimension	0.157" Dia (4.00mm)
Height - Seated (Max)	0.315" (8.00mm)
Lead Spacing	0.059" (1.50mm)
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution of the UST0J220MDD is determined by the following critical parameters: capacitance value (22 µF), tolerance (±20%), voltage rating (minimum 6.3 V), operating temperature range (-55°C to 105°C), mounting type (through hole), and package form (radial, can). Parts meeting these core electrical and mechanical specifications are classified as direct equivalents or functional substitutes.

The substitute parts are grouped into three categories:

Direct Equivalents (Same Voltage Rating): Parts maintaining the 6.3 V voltage rating with identical or superior performance characteristics.

Upgraded Substitutes (Higher Voltage Rating): Parts with voltage ratings exceeding 6.3 V, providing enhanced voltage margin while maintaining all other critical parameters.

Alternative Form Factor: Surface mount variants offering the same electrical specifications in different mounting configurations.

Parameter Comparison

Parameter	UST0J220MDD	UPW0J220MDD	RNS1C220MDS1	UWT0J220MCL1GB	EEA-FC1A220
Manufacturer	Nichicon	Nichicon	Nichicon	Nichicon	Panasonic Electronic Components
Capacitance	22 µF	22 µF	22 µF	22 µF	22 µF
Tolerance	±20%	±20%	±20%	±20%	±20%
Voltage - Rated	6.3 V	6.3 V	16 V	6.3 V	10 V
Lifetime @ Temperature	1000 Hrs @ 105°C	2000 Hrs @ 105°C	2000 Hrs @ 105°C	1000 Hrs @ 105°C	1000 Hrs @ 105°C
Operating Temperature	-55°C ~ 105°C	-55°C ~ 105°C	-55°C ~ 105°C	-55°C ~ 105°C	-55°C ~ 105°C
Ripple Current @ 120 Hz	34 mA	54 mA	190 mA	22 mA	42.25 mA
Mounting Type	Through Hole	Through Hole	Through Hole	Surface Mount	Through Hole
Package / Case	Radial, Can	Radial, Can	Radial, Can	Radial, Can - SMD	Radial, Can
Size / Dimension	0.157" Dia (4.00mm)	0.197" Dia (5.00mm)	0.248" Dia (6.30mm)	0.157" Dia (4.00mm)	0.157" Dia (4.00mm)
Height - Seated (Max)	0.315" (8.00mm)	0.433" (11.00mm)	0.315" (8.00mm)	0.213" (5.40mm)	0.315" (8.00mm)
Product Status	Obsolete	Obsolete	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

UPW0J220MDD (Nichicon): Direct equivalent with identical voltage rating and package dimensions. Offers extended lifetime (2000 hours at 105°C versus 1000 hours), providing improved reliability margin. Product status is obsolete; use only if existing inventory is available. ROHS3 compliant.

RNS1C220MDS1 (Nichicon): Aluminum-polymer capacitor with 16 V rating, providing 2.5× voltage margin over the original specification. Supports significantly higher ripple current (190 mA at 120 Hz). Extended lifetime of 2000 hours at 105°C. Product status is active, ensuring long-term availability. Larger physical footprint (0.248" diameter) requires PCB layout verification. ROHS3 compliant.

UWT0J220MCL1GB (Nichicon): Surface mount variant with identical electrical specifications and footprint diameter. Suitable only for designs using surface mount assembly processes. Product status is active. ROHS3 compliant with MSL rating of 1 (unlimited moisture sensitivity).

EEA-FC1A220 (Panasonic Electronic Components): Through-hole equivalent with 10 V rating, providing 1.6× voltage margin. Rated for automotive applications (AEC-Q200 certification). Identical physical dimensions to the original part. Product status is active, ensuring procurement continuity. ROHS3 compliant.

Frequently Asked Questions (FAQ)

Q: Can UPW0J220MDD be used as a direct replacement for UST0J220MDD?

A: Yes. Both parts share identical capacitance (22 µF), tolerance (±20%), voltage rating (6.3 V), operating temperature range (-55°C to 105°C), and through-hole radial can package. UPW0J220MDD offers extended lifetime (2000 hours versus 1000 hours at 105°C). Both parts are obsolete; availability depends on inventory status.

Q: What is the advantage of using RNS1C220MDS1 over the original UST0J220MDD?

A: RNS1C220MDS1 provides three key advantages: higher voltage rating (16 V versus 6.3 V), extended lifetime (2000 hours versus 1000 hours at 105°C), and significantly higher ripple current capability (190 mA at 120 Hz versus 34 mA). The part is active status, ensuring long-term availability. Physical footprint is larger (0.248" diameter versus 0.157" diameter), requiring PCB layout verification.

Q: Is UWT0J220MCL1GB compatible with through-hole PCB designs?

A: No. UWT0J220MCL1GB is a surface mount device (SMD) with radial can package. It is not compatible with through-hole PCB designs. Use this part only in surface mount assembly processes.

Q: Can EEA-FC1A220 be used in non-automotive applications?

A: Yes. EEA-FC1A220 meets AEC-Q200 automotive qualification but is not restricted to automotive use. The part is suitable for general-purpose applications. The 10 V rating provides voltage margin above the original 6.3 V specification.

Q: What are the PCB layout considerations when substituting with RNS1C220MDS1?

A: RNS1C220MDS1 has a larger diameter (0.248" versus 0.157") and identical height (0.315"). Lead spacing is 0.098" (2.50mm) versus 0.059" (1.50mm) on the original part. Verify that the PCB footprint accommodates the larger lead spacing and diameter before substitution.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts (UPW0J220MDD, RNS1C220MDS1, UWT0J220MCL1GB, and EEA-FC1A220) are ROHS3 compliant, matching the compliance status of the original UST0J220MDD.

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