UPS2A151MHD Equivalent & Substitute Parts

Part Overview

The UPS2A151MHD is a 150 µF, 100 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 This component is classified as Not For New Designs, indicating it has been superseded in the manufacturer's product line. Organizations using this part in active applications require equivalent alternatives that maintain electrical and mechanical compatibility while potentially offering improved performance characteristics or extended lifecycle ratings.

Key Parameters

Parameter	Value
Capacitance	150 µF
Voltage Rating	100 V
Tolerance	±20%
Polarization	Polar
Package Type	Radial, Can
Mounting Type	Through Hole
Operating Temperature Range	-55°C to 105°C
Lifetime @ 105°C	3000 Hrs
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the UPS2A151MHD is determined by strict alignment of the following parameters: capacitance value (150 µF), voltage rating (100 V), tolerance (±20%), polarization (polar), package type (radial can), and mounting method (through hole). All substitute parts listed maintain these core electrical and mechanical specifications, ensuring direct functional compatibility in circuit applications.

Substitute parts are grouped into three categories based on additional performance characteristics:

Direct Packaging Equivalent: UPS2A151MHD1TO differs only in packaging format (Cut Tape versus Bulk), maintaining identical electrical specifications and lifecycle rating.

Performance Upgrade: UPW2A151MHD provides extended lifetime (7000 Hrs @ 105°C) and improved ripple current handling while preserving all core electrical parameters and mechanical footprint compatibility.

Alternative Series: UPJ2A151MHD, UPJ2A151MHD6, UPM2A151MHD, UPM2A151MHD6, EEU-FC2A151, EEU-FC2A151B, EEU-FC2A151S, and EEU-FC2A151SB represent functionally equivalent alternatives from Nichicon and Panasonic that maintain the 150 µF / 100 V specification. These parts vary in lead spacing, physical dimensions, lifetime ratings, and manufacturer certifications.

Parameter Comparison

Part Number	Manufacturer	Series	Capacitance	Voltage	Lifetime @ 105°C	Lead Spacing	Height (Max)	Impedance	Packaging	Status
UPS2A151MHD	Nichicon	UPS	150 µF	100 V	3000 Hrs	0.197" (5.00mm)	1.063" (27.00mm)	130 mOhms	Bulk	Not For New Designs
UPS2A151MHD1TO	Nichicon	UPS	150 µF	100 V	3000 Hrs	0.197" (5.00mm)	1.063" (27.00mm)	130 mOhms	Cut Tape	Not For New Designs
UPW2A151MHD	Nichicon	UPW	150 µF	100 V	7000 Hrs	0.197" (5.00mm)	0.984" (25.00mm)	130 mOhms	Bulk	Not For New Designs
UPJ2A151MHD	Nichicon	UPJ	150 µF	100 V	5000 Hrs	0.197" (5.00mm)	1.043" (26.50mm)	110 mOhms	Bulk	Not For New Designs
UPJ2A151MHD6	Nichicon	UPJ	150 µF	100 V	5000 Hrs	0.295" (7.50mm)	0.650" (16.50mm)	120 mOhms	Bulk	Not For New Designs
UPM2A151MHD	Nichicon	UPM	150 µF	100 V	5000 Hrs	0.197" (5.00mm)	1.063" (27.00mm)	110 mOhms	Bulk	Not For New Designs
UPM2A151MHD6	Nichicon	UPM	150 µF	100 V	5000 Hrs	0.295" (7.50mm)	0.669" (17.00mm)	120 mOhms	Bulk	Not For New Designs
EEU-FC2A151	Panasonic	FC	150 µF	100 V	5000 Hrs	0.197" (5.00mm)	0.984" (25.00mm)	110 mOhms	Bulk	Active
EEU-FC2A151B	Panasonic	FC	150 µF	100 V	5000 Hrs	0.197" (5.00mm)	1.063" (27.00mm)	110 mOhms	Tape & Box	Active
EEU-FC2A151S	Panasonic	FC	150 µF	100 V	5000 Hrs	0.295" (7.50mm)	0.591" (15.00mm)	120 mOhms	Bulk	Active
EEU-FC2A151SB	Panasonic	FC	150 µF	100 V	5000 Hrs	0.295" (7.50mm)	0.650" (16.50mm)	120 mOhms	Tape & Box	Active

Engineering Selection Recommendations

For Direct Replacement with Identical Specifications: UPS2A151MHD1TO provides identical electrical performance and mechanical compatibility, differing only in packaging format. This option is suitable when tape packaging is preferred for automated assembly processes.

For Extended Lifecycle Applications: UPW2A151MHD offers 7000 Hrs lifetime at 105°C compared to the original 3000 Hrs rating, with improved ripple current capacity (461.5 mA @ 120 Hz). Physical dimensions remain compatible with standard 5.00mm lead spacing. This upgrade is applicable in applications requiring enhanced reliability margins.

For Automotive-Qualified Alternatives: UPM2A151MHD and UPM2A151MHD6 carry AEC-Q200 certification and are designated for automotive applications. These parts maintain the 150 µF / 100 V specification with 5000 Hrs lifetime and enhanced ripple current handling. Lead spacing variants (5.00mm and 7.50mm) accommodate different PCB layouts.

For Active Product Status: Panasonic EEU-FC series components (EEU-FC2A151, EEU-FC2A151B, EEU-FC2A151S, EEU-FC2A151SB) maintain Active product status, ensuring long-term availability and supply chain continuity. All variants carry AEC-Q200 certification and are rated for automotive applications. These parts provide 5000 Hrs lifetime with lead spacing options of 5.00mm or 7.50mm.

For Compact Form Factor: EEU-FC2A151S and EEU-FC2A151SB provide the lowest profile height (0.591" to 0.650") while maintaining full electrical specifications, suitable for space-constrained PCB designs with 7.50mm lead spacing.

Frequently Asked Questions (FAQ)

Q: Can UPS2A151MHD be directly replaced with any of the listed substitutes? A: Yes, all listed parts maintain the core electrical specifications (150 µF, 100 V, ±20% tolerance) and mechanical compatibility (radial can, through-hole mounting). Physical dimensions and lead spacing vary across alternatives; verify PCB layout compatibility before selection.

Q: What is the difference between UPS2A151MHD and UPS2A151MHD1TO? A: Both parts are electrically and mechanically identical. The primary difference is packaging: UPS2A151MHD is supplied in Bulk format, while UPS2A151MHD1TO is supplied in Cut Tape format. Selection depends on assembly process requirements.

Q: Why would I choose UPW2A151MHD over the original UPS2A151MHD? A: UPW2A151MHD provides extended lifetime (7000 Hrs @ 105°C versus 3000 Hrs) and higher ripple current capacity (461.5 mA @ 120 Hz versus 355 mA). These improvements enhance reliability in demanding applications while maintaining identical lead spacing and voltage rating.

Q: Are the Panasonic EEU-FC series parts suitable for automotive applications? A: Yes. EEU-FC2A151, EEU-FC2A151B, EEU-FC2A151S, and EEU-FC2A151SB all carry AEC-Q200 certification and are designated for automotive use. These parts maintain Active product status, ensuring continued availability.

Q: What does the "6" suffix in part numbers like UPJ2A151MHD6 indicate? A: The "6" suffix indicates a variant with different lead spacing (7.50mm versus 5.00mm) and modified physical dimensions. This variant accommodates PCB designs requiring wider lead spacing while maintaining identical electrical specifications.

Q: How do impedance values differ across substitutes, and does this affect compatibility? A: Impedance values range from 110 mOhms to 130 mOhms across the substitute parts. These variations reflect internal construction differences but do not prevent functional substitution. Selection should consider ripple current requirements and frequency response characteristics of the specific application.

Q: What is the significance of REACH Status differences between parts? A: Nichicon UPS and UPJ series parts show REACH Unaffected status, while UPM series parts show REACH Affected status. Panasonic EEU-FC series parts show REACH Unaffected status. These designations reflect regulatory compliance documentation; all parts are ROHS3 compliant and suitable for commercial use.

Q: Can I use a part with 7.50mm lead spacing (such as UPJ2A151MHD6) as a substitute for the original 5.00mm lead spacing part? A: No. Lead spacing is a critical mechanical parameter that determines PCB hole positioning. Parts with different lead spacing require PCB redesign and cannot be used as direct substitutes without layout modification.

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