UPM2C101MHD Equivalent & Substitute Parts

Part Overview

The UPM2C101MHD is a 100 µF, 160 V aluminum electrolytic capacitor in radial, can package manufactured by Nichicon. This component is rated for 5000 hours at 105°C and is designed for automotive applications with AEC-Q200 compliance. The part is currently obsolete, making equivalent and substitute parts necessary for ongoing maintenance, repair, and legacy system support.

Key Parameters

Parameter	Value
Capacitance	100 µF
Voltage Rating	160 V
Tolerance	±20%
Lifetime @ 105°C	5000 Hrs
Operating Temperature Range	-40°C ~ 105°C
Ripple Current @ 120 Hz	330 mA
Lead Spacing	0.295" (7.50mm)
Case Diameter	0.630" (16.00mm)
Height	1.476" (37.50mm)
Mounting Type	Through Hole
Package	Radial, Can
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution for the UPM2C101MHD is determined by the following critical parameters: capacitance (100 µF), voltage rating (160 V), tolerance (±20%), polarization (polar), mounting type (through hole), and package style (radial, can). Parts are grouped into three categories based on compatibility:

Direct Equivalents (Same Voltage, Same Lifetime): UPJ2C101MHD matches all electrical specifications with identical 5000-hour lifetime at 105°C. Physical dimensions vary slightly (height 1.457" vs. 1.476"), but lead spacing and case diameter remain constant, ensuring PCB compatibility.

Functional Equivalents (Same Voltage, Extended Lifetime): UPW2C101MHD provides 8000-hour lifetime at 105°C with identical electrical ratings. Reduced height (0.984") allows direct substitution in space-constrained applications. UCY2C101MHD offers 12000-hour lifetime with enhanced ripple current handling (645 mA @ 120 Hz vs. 330 mA), suitable for demanding environments.

Voltage-Upgraded Alternatives: UPW2D101MHD (200 V) and UCY2G101MHD (400 V) provide higher voltage ratings with extended lifetimes. These are suitable only when circuit design permits higher voltage components without performance degradation.

Dimensional Variants: UCY2C101MHD and UVZ2C101MHD feature reduced case diameter (0.492" vs. 0.630") and modified lead spacing (0.197" vs. 0.295"), requiring PCB layout verification before substitution.

Parameter Comparison

Part Number	Manufacturer	Capacitance	Voltage	Lifetime @ 105°C	Ripple Current @ 120 Hz	Case Diameter	Height	Lead Spacing	Product Status
UPM2C101MHD	Nichicon	100 µF	160 V	5000 Hrs	330 mA	0.630"	1.476"	0.295"	Obsolete
UPJ2C101MHD	Nichicon	100 µF	160 V	5000 Hrs	330 mA	0.630"	1.457"	0.295"	Obsolete
UPS2C101MHD	Nichicon	100 µF	160 V	3000 Hrs	330 mA	0.630"	1.063"	0.295"	Obsolete
UPW2C101MHD	Nichicon	100 µF	160 V	8000 Hrs	330 mA	0.630"	0.984"	0.295"	Obsolete
UPW2D101MHD	Nichicon	100 µF	200 V	8000 Hrs	335 mA	0.630"	1.240"	0.295"	Obsolete
UCY2C101MHD	Nichicon	100 µF	160 V	12000 Hrs	645 mA	0.492"	0.846"	0.197"	Active
UCY2G101MHD	Nichicon	100 µF	400 V	12000 Hrs	850 mA	0.630"	1.457"	0.295"	Active
URZ2C101MHD	Nichicon	100 µF	160 V	1000 Hrs	420 mA	0.709"	0.846"	0.295"	Active
URZ2C101MRD6	Nichicon	100 µF	160 V	1000 Hrs	420 mA	0.787"	0.591"	0.394"	Obsolete
UVZ2C101MHD	Nichicon	100 µF	160 V	2000 Hrs	215 mA	0.492"	1.063"	0.197"	Not For New Designs
400BXW100MEFR16X35	Rubycon	100 µF	400 V	12000 Hrs	760 mA	0.630"	1.457"	0.295"	Active

Engineering Selection Recommendations

For Direct Replacement (Same Electrical Performance): UPJ2C101MHD is the primary equivalent, offering identical capacitance, voltage, tolerance, and lifetime specifications. Both parts are obsolete but maintain full compatibility with existing PCB layouts due to matching lead spacing and case diameter.

For Extended Service Life: UPW2C101MHD extends operational lifetime to 8000 hours at 105°C while maintaining identical electrical ratings. The reduced height (0.984" vs. 1.476") provides additional design flexibility for space-constrained applications without electrical performance compromise.

For Active Production Designs: UCY2C101MHD is the recommended active-status alternative, offering 12000-hour lifetime at 160 V with enhanced ripple current capacity (645 mA @ 120 Hz). However, this part features reduced case diameter (0.492") and modified lead spacing (0.197"), requiring PCB layout verification and potential redesign.

For Higher Voltage Requirements: UCY2G101MHD (400 V) and 400BXW100MEFR16X35 (Rubycon, 400 V) are suitable only when circuit design permits voltage derating. Both provide 12000-hour lifetimes and active product status. The Rubycon part maintains identical physical dimensions to the original UPM2C101MHD.

Parts to Avoid: UPS2C101MHD (3000-hour lifetime), URZ2C101MHD and URZ2C101MRD6 (1000-hour lifetime), and UVZ2C101MHD (2000-hour lifetime, not for new designs) offer reduced operational lifetimes and are suitable only for non-critical applications or temporary solutions.

Frequently Asked Questions (FAQ)

Q: Can UPJ2C101MHD be used as a direct replacement for UPM2C101MHD? A: Yes. Both parts share identical electrical specifications: 100 µF, 160 V, ±20% tolerance, 5000-hour lifetime at 105°C, and 330 mA ripple current at 120 Hz. Physical dimensions are nearly identical (height difference of 0.019"), ensuring PCB compatibility without layout modifications.

Q: What is the primary advantage of UPW2C101MHD over the original UPM2C101MHD? A: UPW2C101MHD extends the operational lifetime from 5000 hours to 8000 hours at 105°C while maintaining all electrical specifications. The reduced height (0.984" vs. 1.476") provides additional design flexibility for space-constrained applications.

Q: Why does UCY2C101MHD have different physical dimensions despite matching electrical ratings? A: UCY2C101MHD is a different product series with enhanced performance characteristics (12000-hour lifetime, 645 mA ripple current vs. 330 mA). The reduced case diameter (0.492" vs. 0.630") and modified lead spacing (0.197" vs. 0.295") reflect optimized internal construction for improved thermal and electrical performance. PCB layout verification is required before substitution.

Q: Can voltage-upgraded parts like UCY2G101MHD (400 V) be used in place of the 160 V UPM2C101MHD? A: Voltage-upgraded parts are electrically compatible but introduce design considerations. Higher voltage ratings do not degrade performance in 160 V circuits; however, the larger physical footprint of some 400 V variants may require PCB layout modifications. Substitution is permissible only when circuit design permits the higher voltage component without performance degradation.

Q: What is the difference between UPW2C101MHD and UPW2D101MHD? A: UPW2C101MHD is rated for 160 V, while UPW2D101MHD is rated for 200 V. Both offer 8000-hour lifetimes at 105°C and identical capacitance (100 µF). The 200 V variant is suitable only when circuit design permits higher voltage operation.

Q: Are parts marked "Not For New Designs" suitable for legacy system repairs? A: UVZ2C101MHD is marked "Not For New Designs" but remains available for legacy system maintenance. However, its reduced ripple current capacity (215 mA @ 120 Hz vs. 330 mA) and shorter lifetime (2000 hours vs. 5000 hours) make it unsuitable for demanding applications. UPW2C101MHD or UCY2C101MHD are preferred alternatives.

Q: What is the significance of the ROHS3 compliance status across all substitute parts? A: All listed substitute parts maintain ROHS3 compliance, ensuring compatibility with environmental regulations and modern manufacturing standards. This compliance status is consistent across the entire product family and does not differentiate substitution suitability.

Q: Can Rubycon 400BXW100MEFR16X35 replace Nichicon UPM2C101MHD? A: Yes, when voltage derating is acceptable. The Rubycon part maintains identical physical dimensions (0.630" diameter, 1.457" height, 0.295" lead spacing) and offers superior performance (400 V rating, 12000-hour lifetime, 760 mA ripple current). Cross-manufacturer substitution is permissible based on matching electrical and physical parameters.

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