UVR2D101MHA Equivalent & Substitute Parts

Part Overview

The Nichicon UVR2D101MHA is a 100 µF, 200 V aluminum electrolytic capacitor in radial, can package format with a rated lifetime of 2000 hours at 85°C. This part is classified as obsolete, making equivalent and substitute parts necessary for ongoing production and maintenance applications. The UVR series represents general-purpose aluminum electrolytic capacitors suitable for through-hole mounting in standard PCB designs.

Key Parameters

Parameter	Value
Capacitance	100 µF
Tolerance	±20%
Voltage Rating	200 V
Lifetime @ Temperature	2000 Hrs @ 85°C
Operating Temperature Range	-40°C ~ 85°C
Lead Spacing	0.295" (7.50mm)
Case Diameter	0.630" (16.00mm)
Height (Seated Max)	1.319" (34.60mm)
Mounting Type	Through Hole
Package Type	Radial, Can
Polarization	Polar
RoHS Status	RoHS non-compliant

Substitute Part Grouping Explanation

Substitution of the UVR2D101MHA is determined by the following critical parameters:

Electrical Compatibility:

Capacitance value must equal 100 µF
Tolerance must be ±20% or tighter
Voltage rating must be equal to or greater than 200 V
Operating temperature range must encompass -40°C to 85°C minimum

Mechanical Compatibility:

Lead spacing must be 0.295" (7.50mm)
Case diameter must be 0.630" (16.00mm)
Height must not exceed 1.319" (34.60mm) for standard PCB clearance
Mounting type must be through-hole radial configuration

Functional Compatibility:

Ripple current ratings at 120 Hz and 10 kHz must meet or exceed the original specification
Polarization must remain polar

Substitute parts are grouped into three categories: direct equivalents (same voltage rating), voltage upgrades (higher voltage rating with same or better thermal performance), and alternative manufacturers meeting identical mechanical and electrical specifications.

Parameter Comparison

Part Number	Manufacturer	Capacitance	Voltage	Lifetime @ Temp	Operating Temp Range	Lead Spacing	Case Dia	Height Max	Ripple @ 120Hz	Ripple @ 10kHz	RoHS Status	Product Status
UVR2D101MHA	Nichicon	100 µF	200 V	2000 Hrs @ 85°C	-40°C ~ 85°C	0.295"	0.630"	1.319"	530 mA	848 mA	Non-compliant	Obsolete
UVR2D101MHD	Nichicon	100 µF	200 V	2000 Hrs @ 85°C	-40°C ~ 85°C	0.295"	0.630"	1.319"	530 mA	848 mA	ROHS3 Compliant	Not For New Designs
UCY2V101MHD	Nichicon	100 µF	350 V	12000 Hrs @ 105°C	-40°C ~ 105°C	0.295"	0.630"	1.299"	825 mA	1.65 A	ROHS3 Compliant	Active
UVR2E101MHD	Nichicon	100 µF	250 V	2000 Hrs @ 85°C	-40°C ~ 85°C	0.295"	0.630"	1.319"	520 mA	832 mA	ROHS3 Compliant	Not For New Designs
420QXW100MEFR16X31.5	Rubycon	100 µF	420 V	2000 Hrs @ 105°C	-40°C ~ 105°C	0.295"	0.630"	1.319"	690 mA	1.035 A	ROHS3 Compliant	Active
B43821K2107M000	EPCOS - TDK Electronics	100 µF	250 V	3000 Hrs @ 85°C	-40°C ~ 85°C	0.295"	0.630"	1.319"	520 mA	—	ROHS3 Compliant	Active
B43851K2107M000	EPCOS - TDK Electronics	100 µF	250 V	3000 Hrs @ 105°C	-40°C ~ 105°C	0.295"	0.630"	1.319"	364 mA	—	ROHS3 Compliant	Active
B43858F2107M000	EPCOS - TDK Electronics	100 µF	250 V	5000 Hrs @ 105°C	-40°C ~ 105°C	0.295"	0.630"	1.319"	—	1.35 A	ROHS3 Compliant	Active
EKMG251ELL101MLN3S	Chemi-Con	100 µF	250 V	2000 Hrs @ 105°C	-40°C ~ 105°C	0.295"	0.630"	1.299"	365 mA	547.5 mA	ROHS3 Compliant	Active
EKXJ351ELL101MLN3S	Chemi-Con	100 µF	350 V	12000 Hrs @ 105°C	-40°C ~ 105°C	0.295"	0.630"	1.299"	740 mA	1.665 A	ROHS3 Compliant	Active
ESMG251ELL101MLN3S	Chemi-Con	100 µF	250 V	2000 Hrs @ 85°C	-40°C ~ 85°C	0.295"	0.630"	1.299"	515 mA	772.5 mA	ROHS3 Compliant	Active

Engineering Selection Recommendations

Direct Equivalent (Same Voltage, Same Thermal Performance): UVR2D101MHD is the direct equivalent from Nichicon, maintaining 200 V rating and 2000 hours @ 85°C lifetime. This part is ROHS3 compliant but marked "Not For New Designs," making it suitable only for legacy system maintenance where exact specifications are required.

Voltage Upgrade with Enhanced Thermal Performance: UCY2V101MHD (Nichicon, 350 V) and EKXJ351ELL101MLN3S (Chemi-Con, 350 V) provide higher voltage ratings with extended lifetime ratings of 12000 hours @ 105°C. Both are active products with ROHS3 compliance. These are suitable for applications requiring improved reliability margins and extended operational life.

Voltage Upgrade with Standard Thermal Performance: UVR2E101MHD (Nichicon, 250 V), B43821K2107M000 (EPCOS, 250 V), B43851K2107M000 (EPCOS, 250 V), EKMG251ELL101MLN3S (Chemi-Con, 250 V), and ESMG251ELL101MLN3S (Chemi-Con, 250 V) all provide 250 V ratings with varying lifetime specifications. All are ROHS3 compliant and active products. B43858F2107M000 offers extended 5000-hour lifetime at 105°C for demanding applications.

Maximum Voltage Upgrade: 420QXW100MEFR16X31.5 (Rubycon, 420 V) provides the highest voltage rating with 2000 hours @ 105°C lifetime and ROHS3 compliance. This part is suitable for high-voltage applications requiring maximum safety margin.

All substitute parts maintain identical capacitance (100 µF), tolerance (±20%), lead spacing (0.295"), and case diameter (0.630"). Height variations are minimal (1.299" to 1.319"), presenting no practical PCB layout constraints.

Frequently Asked Questions (FAQ)

Q: Can UVR2D101MHA be replaced with UVR2D101MHD? A: Yes. UVR2D101MHD is the direct equivalent with identical electrical and mechanical specifications. The primary difference is ROHS3 compliance and product status classification. Use this part for legacy system maintenance only.

Q: What is the difference between 200 V and 250 V rated substitutes? A: The 250 V rated parts (UVR2E101MHD, B43821K2107M000, B43851K2107M000, EKMG251ELL101MLN3S, ESMG251ELL101MLN3S) provide a higher voltage safety margin. They are electrically compatible with 200 V applications and offer improved reliability. All maintain the same physical footprint and lead spacing.

Q: Are 350 V and 420 V rated parts suitable for 200 V applications? A: Yes. UCY2V101MHD (350 V), EKXJ351ELL101MLN3S (350 V), and 420QXW100MEFR16X31.5 (420 V) are all electrically compatible with 200 V circuit requirements. Higher voltage ratings provide additional safety margin and, in most cases, improved thermal performance and extended lifetime ratings.

Q: What is the significance of lifetime ratings (2000 Hrs @ 85°C vs. 12000 Hrs @ 105°C)? A: Lifetime ratings indicate the expected operational duration under specified temperature conditions. UCY2V101MHD and EKXJ351ELL101MLN3S offer 12000 hours @ 105°C, representing significantly extended operational life compared to the original 2000 hours @ 85°C specification. This translates to improved reliability in high-temperature environments.

Q: Are all substitute parts ROHS3 compliant? A: All listed substitute parts are ROHS3 compliant. The original UVR2D101MHA is RoHS non-compliant. For applications requiring RoHS compliance, any substitute part listed is acceptable.

Q: Do substitute parts have identical physical dimensions? A: All substitute parts maintain the same lead spacing (0.295") and case diameter (0.630"). Height varies minimally between 1.299" and 1.319", presenting no practical PCB layout constraints. Through-hole radial mounting configuration is identical across all parts.

Q: Which substitute offers the best thermal performance? A: UCY2V101MHD and EKXJ351ELL101MLN3S both offer 12000 hours @ 105°C lifetime rating, representing the highest thermal performance among available substitutes. EKXJ351ELL101MLN3S additionally carries AEC-Q200 automotive qualification.

Q: Can I use EPCOS parts as substitutes? A: Yes. B43821K2107M000, B43851K2107M000, and B43858F2107M000 are all ROHS3 compliant, active products with identical capacitance, tolerance, and mechanical specifications. B43858F2107M000 offers extended 5000-hour lifetime at 105°C for demanding applications.

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