UVR2C221MHD Equivalent & Substitute Parts

Part Overview

The UVR2C221MHD is a 220 µF, 160 V aluminum electrolytic capacitor in radial configuration manufactured by Nichicon. This component is classified as Not For New Designs, indicating it has been superseded in Nichicon's product portfolio. Finding equivalent and substitute parts is necessary to support existing designs, facilitate board revisions, or transition to active product lines with improved performance characteristics and extended operational lifespans.

Key Parameters

Parameter	Value
Capacitance	220 µF
Voltage Rating	160 V
Tolerance	±20%
Polarization	Polar
Package Type	Radial, Can
Lead Spacing	0.295" (7.50 mm)
Case Diameter	0.630" (16.00 mm)
Mounting Type	Through Hole
Operating Temperature Range	-40°C to 85°C
Lifetime Rating	2000 Hrs @ 85°C

Substitute Part Grouping Explanation

Substitution of the UVR2C221MHD is determined by the following critical parameters:

Mandatory Compatibility Parameters:

Capacitance: 220 µF (exact match required)
Tolerance: ±20% (exact match required)
Lead Spacing: 0.295" (7.50 mm) (exact match required)
Case Diameter: 0.630" (16.00 mm) (exact match required)
Mounting Type: Through Hole (exact match required)
Polarization: Polar (exact match required)

Allowable Variation Parameters:

Voltage Rating: 160 V or higher (uprating acceptable)
Operating Temperature Range: -40°C to 85°C or wider (extended range acceptable)
Lifetime @ Temperature: 2000 Hrs @ 85°C or longer (extended life acceptable)
Case Height: Variation acceptable within PCB layout constraints

Substitute parts are grouped into three categories:

Direct Equivalents: Identical electrical and mechanical specifications with same voltage rating (160 V).

Upgrade Substitutes: Higher voltage ratings (200 V or 250 V) with improved lifetime ratings and extended temperature ranges, suitable for applications requiring enhanced reliability margins.

Similar Alternatives: Same capacitance and voltage but from different manufacturers, maintaining identical form factor and lead spacing.

Parameter Comparison

Part Number	Manufacturer	Capacitance	Voltage	Tolerance	Case Height (Max)	Lifetime @ Temp	Operating Temp Range	Product Status	Lead Spacing
UVR2C221MHD	Nichicon	220 µF	160 V	±20%	1.476" (37.50 mm)	2000 Hrs @ 85°C	-40°C to 85°C	Not For New Designs	0.295" (7.50 mm)
UVK2C221MHD	Nichicon	220 µF	160 V	±20%	1.319" (34.60 mm)	2000 Hrs @ 85°C	-40°C to 85°C	Not For New Designs	0.295" (7.50 mm)
ESMG161ELL221MLN3S	Chemi-Con	220 µF	160 V	±20%	1.299" (33.00 mm)	2000 Hrs @ 85°C	-40°C to 85°C	Active	0.295" (7.50 mm)
UVK2D221MHD	Nichicon	220 µF	200 V	±20%	1.476" (37.50 mm)	2000 Hrs @ 85°C	-40°C to 85°C	Not For New Designs	0.295" (7.50 mm)
ESMQ201ELL221MLP1S	Chemi-Con	220 µF	200 V	±20%	1.457" (37.00 mm)	2000 Hrs @ 85°C	-40°C to 85°C	Active	0.295" (7.50 mm)
EKMQ201ELL221MLP1S	Chemi-Con	220 µF	200 V	±20%	1.457" (37.00 mm)	2000 Hrs @ 105°C	-40°C to 105°C	Active	0.295" (7.50 mm)
200PX220MEFC16X35.5	Rubycon	220 µF	200 V	±20%	1.476" (37.50 mm)	2000 Hrs @ 105°C	-40°C to 105°C	Active	0.295" (7.50 mm)
UCY2E221MHD9	Nichicon	220 µF	250 V	±20%	1.457" (37.00 mm)	12000 Hrs @ 105°C	-40°C to 105°C	Active	0.295" (7.50 mm)
EKXJ251ELL221MLP1S	Chemi-Con	220 µF	250 V	±20%	1.457" (37.00 mm)	12000 Hrs @ 105°C	-40°C to 105°C	Active	0.295" (7.50 mm)
250BXW220MEFR16X35	Rubycon	220 µF	250 V	±20%	1.457" (37.00 mm)	12000 Hrs @ 105°C	-40°C to 105°C	Active	0.295" (7.50 mm)
MAL215252221E3	Vishay Beyschlag/Draloric/BC Components	220 µF	200 V	±20%	1.476" (37.50 mm)	4000 Hrs @ 105°C	-40°C to 105°C	Active	0.295" (7.50 mm)

Engineering Selection Recommendations

Direct Equivalent (160 V Rating):

ESMG161ELL221MLN3S (Chemi-Con, Active status) is the primary direct equivalent. It maintains identical electrical specifications and form factor while offering Active product status, ensuring long-term availability and supply chain stability. The reduced case height (1.299" vs. 1.476") provides a design advantage for space-constrained layouts.

Upgrade Path (200 V Rating):

For applications requiring enhanced reliability margins, three options are available:

ESMQ201ELL221MLP1S (Chemi-Con, Active) maintains the original 2000 Hrs @ 85°C lifetime with 200 V rating.
EKMQ201ELL221MLP1S (Chemi-Con, Active) extends lifetime to 2000 Hrs @ 105°C and operating temperature to 105°C.
200PX220MEFC16X35.5 (Rubycon, Active) provides equivalent extended lifetime and temperature range.
MAL215252221E3 (Vishay, Active, AEC-Q200 rated) offers automotive-grade qualification with 4000 Hrs @ 105°C lifetime.

Premium Upgrade Path (250 V Rating):

For maximum reliability and extended operational life:

UCY2E221MHD9 (Nichicon, Active) provides 12000 Hrs @ 105°C lifetime with 250 V rating and extended temperature range.
EKXJ251ELL221MLP1S (Chemi-Con, Active, AEC-Q200 rated) offers automotive-grade qualification with identical 12000 Hrs @ 105°C performance.
250BXW220MEFR16X35 (Rubycon, Active) delivers equivalent premium performance characteristics.

All recommended substitutes maintain identical lead spacing (0.295"), case diameter (0.630"), and mounting type (Through Hole), ensuring direct PCB compatibility without layout modifications.

Frequently Asked Questions (FAQ)

Q: Can I use a 200 V or 250 V rated capacitor in place of the 160 V UVR2C221MHD?

A: Yes. Voltage uprating is an acceptable substitution practice. A higher voltage rating provides additional safety margin and does not degrade circuit performance. The capacitor will operate within its electrical specifications in any application designed for 160 V or lower.

Q: What is the difference between the UVR2C221MHD and UVK2C221MHD?

A: Both are 220 µF, 160 V, ±20% tolerance capacitors from Nichicon with identical electrical performance. The primary difference is case height: UVR2C221MHD is 1.476" (37.50 mm) while UVK2C221MHD is 1.319" (34.60 mm). The shorter UVK2C variant may be preferred for space-constrained PCB layouts.

Q: Why should I consider ESMG161ELL221MLN3S over other 160 V options?

A: ESMG161ELL221MLN3S is manufactured by Chemi-Con with Active product status, ensuring continued availability and supply chain support. It provides a direct electrical equivalent with reduced case height (1.299"), offering a design advantage for compact layouts while maintaining full compatibility.

Q: What does "Not For New Designs" mean for the UVR2C221MHD?

A: This designation indicates the part has been superseded in the manufacturer's product line. While existing inventory remains available, the manufacturer does not recommend its use in new circuit designs. Substitution with Active-status alternatives ensures access to current manufacturing processes and extended product support.

Q: Are there automotive-grade alternatives available?

A: Yes. MAL215252221E3 (Vishay, 200 V) and EKXJ251ELL221MLP1S (Chemi-Con, 250 V) both carry AEC-Q200 automotive qualification, suitable for applications requiring automotive-grade component certification.

Q: How do I verify PCB compatibility when substituting capacitors?

A: Verify three critical parameters: lead spacing (0.295" / 7.50 mm), case diameter (0.630" / 16.00 mm), and case height. All recommended substitutes maintain identical lead spacing and case diameter. Case height variation is acceptable provided the component fits within available PCB clearance. Measure available vertical space on your PCB to confirm fit.

Q: What is the advantage of 12000 Hrs @ 105°C lifetime over 2000 Hrs @ 85°C?

A: Extended lifetime rating indicates the capacitor maintains specified performance over a longer operational period at elevated temperature. This provides increased reliability margin for applications subject to sustained thermal stress or requiring extended service life. The 250 V upgrade options (UCY2E221MHD9, EKXJ251ELL221MLP1S, 250BXW220MEFR16X35) all offer this enhanced performance characteristic.

Q: Can I mix different manufacturers' capacitors in the same circuit?

A: Yes. All recommended substitutes maintain identical electrical specifications (220 µF, ±20% tolerance) and mechanical form factor. Mixing manufacturers is acceptable from an engineering standpoint, though maintaining single-source procurement for production runs simplifies supply chain management and quality control.

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