UPJ2G220MHD Equivalent & Substitute Parts

Part Overview

The UPJ2G220MHD is a 22 µF, 400 V aluminum electrolytic capacitor in radial configuration manufactured by Nichicon. This component is classified as obsolete, which necessitates identification of equivalent and substitute parts for ongoing applications. The UPJ series offers a 5000-hour lifetime rating at 105°C with general-purpose applications in power supply and filtering circuits. Locating suitable alternatives ensures design continuity and supply chain reliability.

Key Parameters

Parameter	Value
Capacitance	22 µF
Voltage Rating	400 V
Tolerance	±20%
Lifetime @ 105°C	5000 Hrs
Operating Temperature Range	-40°C ~ 105°C
Ripple Current @ 120 Hz	130 mA
Ripple Current @ 10 kHz	208 mA
Lead Spacing	0.295" (7.50 mm)
Case Diameter	0.630" (16.00 mm)
Height	1.299" (33.00 mm)
Mounting Type	Through Hole
Package	Radial, Can
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution of the UPJ2G220MHD is determined by the following criteria:

Primary Matching Parameters:

Capacitance: 22 µF (exact match required)
Voltage Rating: 400 V minimum (higher voltage ratings are acceptable)
Tolerance: ±20% (standard tolerance)
Polarization: Polar (radial configuration)
Mounting Type: Through Hole
Lead Spacing: 0.295" (7.50 mm) for direct PCB compatibility
Case Diameter: 0.630" (16.00 mm) for mechanical fit

Secondary Considerations:

Lifetime rating at 105°C (minimum 1000 Hrs acceptable for general-purpose applications)
Ripple current capability (must meet or exceed application requirements)
Physical dimensions (height variation acceptable within space constraints)
RoHS3 compliance (maintained across all substitutes)

Substitutes are grouped into two categories: direct mechanical and electrical equivalents (matching lead spacing and case diameter), and functional alternatives (same electrical specifications with different physical form factors).

Parameter Comparison

Part Number	Manufacturer	Series	Capacitance	Voltage	Lifetime @ 105°C	Lead Spacing	Case Diameter	Height	Status
UPJ2G220MHD	Nichicon	UPJ	22 µF	400 V	5000 Hrs	0.295" (7.50 mm)	0.630" (16.00 mm)	1.299" (33.00 mm)	Obsolete
UCY2H220MHD6	Nichicon	UCY	22 µF	500 V	12000 Hrs	0.295" (7.50 mm)	0.630" (16.00 mm)	1.043" (26.50 mm)	Active
UAQ2G220MHD	Nichicon	UAQ	22 µF	400 V	2000 Hrs	0.197" (5.00 mm)	0.492" (12.50 mm)	1.319" (34.60 mm)	Active
UAQ2G220MHD6	Nichicon	UAQ	22 µF	400 V	2000 Hrs	0.295" (7.50 mm)	0.630" (16.00 mm)	0.866" (22.00 mm)	Active
UCY2G220MPD	Nichicon	UCY	22 µF	400 V	12000 Hrs	0.197" (5.00 mm)	0.394" (10.00 mm)	1.299" (33.00 mm)	Active
URY2G220MRD	Nichicon	URY	22 µF	400 V	2000 Hrs	0.394" (10.00 mm)	0.787" (20.00 mm)	0.571" (14.50 mm)	Obsolete
URZ2G220MHD	Nichicon	URZ	22 µF	400 V	1000 Hrs	0.295" (7.50 mm)	0.709" (18.00 mm)	0.650" (16.50 mm)	Active
URZ2G220MHD6	Nichicon	URZ	22 µF	400 V	1000 Hrs	0.295" (7.50 mm)	0.630" (16.00 mm)	0.846" (21.50 mm)	Active
UVY2G220MHD	Nichicon	UVY	22 µF	400 V	2000 Hrs	0.197" (5.00 mm)	0.492" (12.50 mm)	1.063" (27.00 mm)	Not For New Designs
UVZ2G220MHD	Nichicon	UVZ	22 µF	400 V	2000 Hrs	0.295" (7.50 mm)	0.630" (16.00 mm)	1.063" (27.00 mm)	Not For New Designs
226KFM400MQU	Cornell Dubilier / Illinois Capacitor	KFM	22 µF	400 V	10000 Hrs	0.295" (7.50 mm)	0.630" (16.00 mm)	0.866" (22.00 mm)	Active

Engineering Selection Recommendations

Direct Mechanical and Electrical Equivalent (Preferred):

UCY2H220MHD6 is the manufacturer-recommended substitute. It maintains identical lead spacing (0.295", 7.50 mm) and case diameter (0.630", 16.00 mm) as the UPJ2G220MHD, ensuring direct PCB compatibility. The UCY2H220MHD6 offers superior specifications with 500 V voltage rating and 12000-hour lifetime at 105°C, providing enhanced reliability margin. Active product status ensures long-term availability.

Direct Mechanical Equivalent with Reduced Lifetime:

UAQ2G220MHD6 and URZ2G220MHD6 both match the lead spacing (0.295", 7.50 mm) and case diameter (0.630", 16.00 mm) of the original part. Both are active products. UAQ2G220MHD6 provides 2000-hour lifetime, while URZ2G220MHD6 offers 1000-hour lifetime at 105°C. These are suitable for applications where the reduced lifetime is acceptable.

Alternative Manufacturer Option:

226KFM400MQU from Cornell Dubilier / Illinois Capacitor matches mechanical dimensions (lead spacing 0.295", 7.50 mm; case diameter 0.630", 16.00 mm) and provides 10000-hour lifetime at 105°C with documented ESR of 15.0715 Ohm @ 120 Hz. Active product status and ROHS3 compliance support long-term deployment.

Not Recommended for New Designs:

UVZ2G220MHD and UVY2G220MHD are classified as "Not For New Designs" and should be avoided in new applications despite matching electrical specifications.

Obsolete Alternatives:

URY2G220MRD is obsolete and should not be selected for new or replacement applications.

Frequently Asked Questions (FAQ)

Q: Can I use UCY2H220MHD6 as a direct replacement for UPJ2G220MHD?

A: Yes. The UCY2H220MHD6 maintains identical lead spacing (0.295", 7.50 mm) and case diameter (0.630", 16.00 mm), providing direct PCB compatibility. The higher voltage rating (500 V vs. 400 V) and extended lifetime (12000 Hrs vs. 5000 Hrs) represent performance improvements with no functional drawbacks.

Q: What is the difference between UAQ2G220MHD and UAQ2G220MHD6?

A: Both are from the UAQ series with identical electrical specifications (22 µF, 400 V, ±20%, 2000 Hrs @ 105°C). The primary difference is mechanical: UAQ2G220MHD has lead spacing of 0.197" (5.00 mm) and case diameter of 0.492" (12.50 mm), while UAQ2G220MHD6 has lead spacing of 0.295" (7.50 mm) and case diameter of 0.630" (16.00 mm). Select based on PCB hole spacing requirements.

Q: Why should I avoid UVZ2G220MHD and UVY2G220MHD?

A: Both parts are marked "Not For New Designs," indicating they are in end-of-life status. While electrically compatible, they should not be specified for new applications due to uncertain long-term availability and potential supply discontinuation.

Q: Is the 226KFM400MQU from a different manufacturer acceptable?

A: Yes. The 226KFM400MQU from Cornell Dubilier / Illinois Capacitor matches all critical mechanical parameters (lead spacing 0.295", 7.50 mm; case diameter 0.630", 16.00 mm) and electrical specifications (22 µF, 400 V, ±20%). It is an active product with ROHS3 compliance and provides 10000-hour lifetime at 105°C. Cross-manufacturer substitution is valid when mechanical and electrical parameters align.

Q: What happens if I use a substitute with different lead spacing?

A: Lead spacing determines PCB hole positioning. Using a part with different lead spacing (e.g., 0.197" instead of 0.295") requires PCB redesign or manual rework. For direct board compatibility without modification, select substitutes matching the original lead spacing of 0.295" (7.50 mm).

Q: Can I use a substitute with lower lifetime rating?

A: Substitutes with reduced lifetime (e.g., 1000 Hrs vs. 5000 Hrs) are acceptable only if the application does not require the original lifetime specification. Verify application duty cycle and thermal environment before selecting lower-rated alternatives.

Q: Does higher voltage rating affect circuit operation?

A: No. A capacitor with higher voltage rating (e.g., 500 V vs. 400 V) operates safely in circuits designed for lower voltage. The higher rating provides additional safety margin and does not alter capacitance or circuit behavior.

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