UVR2E101MHA Equivalent & Substitute Parts

Part Overview

The UVR2E101MHA is a 100 µF, 250 V aluminum electrolytic capacitor in radial, can package manufactured by Nichicon. This component is classified as obsolete and no longer recommended for new designs. The UVR series represents legacy technology with a rated lifetime of 2000 hours at 85°C. Due to its obsolete status and limited availability for future production, identifying equivalent and upgraded substitute parts is essential for design continuity, long-term supply chain reliability, and performance optimization in applications requiring aluminum electrolytic capacitors with similar or enhanced electrical characteristics.

Key Parameters

Parameter	Value
Capacitance	100 µF
Voltage Rating	250 V
Tolerance	±20%
Polarization	Polar
Package Type	Radial, Can
Mounting Type	Through Hole
Lead Spacing	0.295" (7.50 mm)
Case Diameter	0.630" (16.00 mm)
Height	1.319" (34.60 mm)
Operating Temperature Range	-40°C ~ 85°C
Lifetime Rating	2000 Hrs @ 85°C
Ripple Current @ 120 Hz	520 mA
Ripple Current @ 10 kHz	832 mA

Substitute Part Grouping Explanation

Substitute parts for the UVR2E101MHA are categorized based on strict electrical and mechanical compatibility criteria. All substitutes maintain the core specifications: 100 µF capacitance, ±20% tolerance, and radial through-hole package with identical lead spacing (7.50 mm) and case diameter (16.00 mm).

Substitutes are grouped into two categories:

Direct Equivalents maintain the 250 V voltage rating and are mechanically and electrically interchangeable with the original part. These include UVR2E101MHD (Nichicon, same series), ESMG251ELL101MLN3S (Chemi-Con SMG series), B43821K2107M000 and B43851K2107M000 (EPCOS), B43858F2107M000 (EPCOS), EKMG251ELL101MLN3S (Chemi-Con KMG series), and MAL214261013E3 (Vishay).

Upgraded Substitutes offer enhanced performance through higher voltage ratings (350 V or 420 V) or extended lifetime ratings (12000 hours at 105°C versus 2000 hours at 85°C). These include UCY2V101MHD (Nichicon, 350 V), 420QXW100MEFR16X31.5 (Rubycon, 420 V), and EKXJ351ELL101MLN3S (Chemi-Con, 350 V). Upgraded parts are physically compatible and provide superior reliability margins for demanding applications.

The key parameters determining substitutability are: capacitance value, voltage rating (equal or higher), tolerance, lead spacing, case diameter, package type, and mounting configuration. All listed substitutes meet or exceed these criteria.

Parameter Comparison

Part Number	Manufacturer	Capacitance	Voltage	Tolerance	Lifetime @ Temp	Operating Temp Range	Lead Spacing	Case Diameter	Height	Product Status	RoHS Status
UVR2E101MHA	Nichicon	100 µF	250 V	±20%	2000 Hrs @ 85°C	-40°C ~ 85°C	7.50 mm	16.00 mm	34.60 mm	Obsolete	Non-compliant
UVR2E101MHD	Nichicon	100 µF	250 V	±20%	2000 Hrs @ 85°C	-40°C ~ 85°C	7.50 mm	16.00 mm	34.60 mm	Not For New Designs	ROHS3 Compliant
UCY2V101MHD	Nichicon	100 µF	350 V	±20%	12000 Hrs @ 105°C	-40°C ~ 105°C	7.50 mm	16.00 mm	33.00 mm	Active	ROHS3 Compliant
ESMG251ELL101MLN3S	Chemi-Con	100 µF	250 V	±20%	2000 Hrs @ 85°C	-40°C ~ 85°C	7.50 mm	16.00 mm	33.00 mm	Active	ROHS3 Compliant
EKMG251ELL101MLN3S	Chemi-Con	100 µF	250 V	±20%	2000 Hrs @ 105°C	-40°C ~ 105°C	7.50 mm	16.00 mm	33.00 mm	Active	ROHS3 Compliant
EKXJ351ELL101MLN3S	Chemi-Con	100 µF	350 V	±20%	12000 Hrs @ 105°C	-40°C ~ 105°C	7.50 mm	16.00 mm	33.00 mm	Active	ROHS3 Compliant
420QXW100MEFR16X31.5	Rubycon	100 µF	420 V	±20%	2000 Hrs @ 105°C	-40°C ~ 105°C	7.50 mm	16.00 mm	34.60 mm	Active	ROHS3 Compliant
B43821K2107M000	EPCOS - TDK Electronics	100 µF	250 V	±20%	3000 Hrs @ 85°C	-40°C ~ 85°C	7.50 mm	16.00 mm	34.60 mm	Active	ROHS3 Compliant
B43851K2107M000	EPCOS - TDK Electronics	100 µF	250 V	±20%	3000 Hrs @ 105°C	-40°C ~ 105°C	7.50 mm	16.00 mm	34.60 mm	Active	ROHS3 Compliant
B43858F2107M000	EPCOS - TDK Electronics	100 µF	250 V	±20%	5000 Hrs @ 105°C	-40°C ~ 105°C	7.50 mm	16.00 mm	34.60 mm	Active	ROHS3 Compliant
MAL214261013E3	Vishay Beyschlag/Draloric/BC Components	100 µF	250 V	±20%	2500 Hrs @ 105°C	-40°C ~ 105°C	7.50 mm	16.00 mm	34.60 mm	Active	ROHS3 Compliant

Engineering Selection Recommendations

For Direct Replacement (Same Electrical Performance):

UVR2E101MHD (Nichicon) is the closest direct equivalent, maintaining identical electrical specifications while offering ROHS3 compliance. ESMG251ELL101MLN3S (Chemi-Con SMG series) and EKMG251ELL101MLN3S (Chemi-Con KMG series) provide active product status with equivalent 250 V ratings. B43821K2107M000 and B43851K2107M000 (EPCOS) offer extended lifetime ratings at 85°C and 105°C respectively, with active product status. MAL214261013E3 (Vishay) provides 2500-hour lifetime at 105°C with active availability.

For Enhanced Reliability (Upgraded Performance):

UCY2V101MHD (Nichicon UCY series) upgrades to 350 V rating with 12000-hour lifetime at 105°C, providing superior margin for high-temperature applications. EKXJ351ELL101MLN3S (Chemi-Con KXJ series) offers identical 350 V, 12000-hour specifications with AEC-Q200 automotive qualification and active product status. 420QXW100MEFR16X31.5 (Rubycon QXW series) provides the highest voltage rating at 420 V with 2000-hour lifetime at 105°C for maximum voltage margin applications.

All recommended substitutes are ROHS3 compliant and maintain through-hole radial package compatibility with identical lead spacing and case diameter. Selection should prioritize active product status parts for long-term supply chain assurance.

Frequently Asked Questions (FAQ)

Q: Can I use a 350 V rated capacitor as a direct replacement for the 250 V UVR2E101MHA?

A: Yes. Higher voltage-rated capacitors are electrically compatible with lower voltage applications. UCY2V101MHD (350 V) and EKXJ351ELL101MLN3S (350 V) are direct mechanical and electrical substitutes that provide additional voltage margin without affecting circuit operation.

Q: What is the difference between direct equivalents and upgraded substitutes?

A: Direct equivalents maintain the original 250 V voltage rating and similar lifetime specifications. Upgraded substitutes offer higher voltage ratings (350 V or 420 V) or extended lifetime ratings (12000 hours at 105°C versus 2000 hours at 85°C), providing enhanced performance and reliability for demanding applications.

Q: Are all substitute parts physically identical to the original UVR2E101MHA?

A: All listed substitutes maintain the same lead spacing (7.50 mm), case diameter (16.00 mm), and radial through-hole package configuration. Height varies slightly between parts (33.00 mm to 34.60 mm), which is within standard PCB layout tolerance for through-hole components.

Q: Why is the UVR2E101MHA classified as obsolete?

A: The UVR series represents legacy aluminum electrolytic capacitor technology. Nichicon has transitioned to newer series with improved performance characteristics, extended lifetime ratings, and enhanced compliance certifications. Obsolete classification indicates the manufacturer no longer recommends this part for new designs.

Q: Which substitute offers the best long-term supply availability?

A: Parts with active product status provide the best supply assurance. UCY2V101MHD, EKXJ351ELL101MLN3S, 420QXW100MEFR16X31.5, B43821K2107M000, B43851K2107M000, B43858F2107M000, and MAL214261013E3 all maintain active production status with established inventory levels.

Q: Can I use ESMG251ELL101MLN3S as a drop-in replacement?

A: Yes. ESMG251ELL101MLN3S (Chemi-Con SMG series) is a direct equivalent with 100 µF, 250 V specifications, identical lead spacing and case diameter, and active product status. It is mechanically and electrically interchangeable with the UVR2E101MHA.

Q: What is the advantage of B43858F2107M000 over other 250 V substitutes?

A: B43858F2107M000 (EPCOS B43858 series) provides an extended 5000-hour lifetime at 105°C, which exceeds the original 2000-hour rating at 85°C. This extended lifetime offers improved reliability for applications requiring higher temperature operation or extended service life.

Q: Are there any automotive-qualified alternatives?

A: Yes. EKXJ351ELL101MLN3S (Chemi-Con KXJ series) carries AEC-Q200 automotive qualification with 350 V rating and 12000-hour lifetime at 105°C, making it suitable for automotive and high-reliability applications.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message