UPM1E331MPD Equivalent & Substitute Parts

Part Overview

The UPM1E331MPD is a 330 µF, 25 V aluminum electrolytic capacitor in radial, can package manufactured by Nichicon. This component is rated for 3000 hours at 105°C and carries AEC-Q200 automotive qualification. The part is designated as "Not For New Designs," indicating it has been superseded in Nichicon's product line. Identifying equivalent and substitute parts is necessary for legacy system support, design continuity, and sourcing flexibility when the primary part becomes unavailable.

Key Parameters

Parameter	Value
Capacitance	330 µF
Voltage Rating	25 V
Tolerance	±20%
Lifetime @ 105°C	3000 Hrs
Operating Temperature Range	-55°C ~ 105°C
Lead Spacing	0.138" (4.60 mm)
Case Diameter	0.315" (8.00 mm)
Height (Seated Max)	0.846" (21.50 mm)
Mounting Type	Through Hole
Package	Radial, Can
Polarization	Polar
Ratings	AEC-Q200
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the UPM1E331MPD is determined by strict alignment of electrical and mechanical parameters. All substitute parts must match the following core criteria:

Mandatory Matching Parameters:

Capacitance: 330 µF (exact)
Voltage Rating: 25 V (exact)
Tolerance: ±20% (exact)
Operating Temperature Range: -55°C ~ 105°C (exact)
Polarization: Polar (exact)
Mounting Type: Through Hole (exact)
Package Type: Radial, Can (exact)

Allowable Variations:

Lifetime @ 105°C: 3000 Hrs or greater
Lead Spacing: 0.138" (4.60 mm) or 0.197" (5.00 mm)
Case Diameter: 0.315" (8.00 mm) or 0.394" (10.00 mm)
Height: Variations permitted within PCB layout constraints
Impedance: Variations permitted based on ripple current requirements
Ripple Current: Variations permitted; higher values acceptable
Manufacturer: Nichicon or equivalent qualified manufacturer
Ratings: AEC-Q200 preferred for automotive applications; general-purpose alternatives acceptable for non-automotive use

Substitutes are grouped by compatibility level: direct equivalents (identical footprint and performance), similar parts (same electrical specs, different physical dimensions), and parametric equivalents (same core function, minor specification differences).

Parameter Comparison

Part Number	Manufacturer	Capacitance	Voltage	Tolerance	Lifetime @ 105°C	Lead Spacing	Case Dia	Height (Max)	Impedance	Ripple Current @ 120 Hz	Product Status	Ratings
UPM1E331MPD	Nichicon	330 µF	25 V	±20%	3000 Hrs	0.138" (4.60 mm)	0.315" (8.00 mm)	0.846" (21.50 mm)	85 mOhms	610 mA	Not For New Designs	AEC-Q200
UPA1E331MPD1TD	Nichicon	330 µF	25 V	±20%	3000 Hrs	0.138" (4.60 mm)	0.315" (8.00 mm)	0.512" (13.00 mm)	90 mOhms	409.5 mA	Active	—
UPJ1E331MPD	Nichicon	330 µF	25 V	±20%	3000 Hrs	0.138" (4.60 mm)	0.315" (8.00 mm)	0.827" (21.00 mm)	130 mOhms	610 mA	Not For New Designs	—
UPJ1E331MPD6	Nichicon	330 µF	25 V	±20%	5000 Hrs	0.197" (5.00 mm)	0.394" (10.00 mm)	0.650" (16.50 mm)	150 mOhms	575 mA	Not For New Designs	—
UPM1E331MPD6	Nichicon	330 µF	25 V	±20%	5000 Hrs	0.197" (5.00 mm)	0.394" (10.00 mm)	0.669" (17.00 mm)	95 mOhms	630 mA	Not For New Designs	AEC-Q200
UPS1E331MPD	Nichicon	330 µF	25 V	±20%	2000 Hrs	0.197" (5.00 mm)	0.394" (10.00 mm)	0.551" (14.00 mm)	190 mOhms	426 mA	Not For New Designs	—
UPW1E331MPD	Nichicon	330 µF	25 V	±20%	5000 Hrs	0.197" (5.00 mm)	0.394" (10.00 mm)	0.492" (12.50 mm)	90 mOhms	494 mA	Not For New Designs	—
UPW1E331MPD6	Nichicon	330 µF	25 V	±20%	3000 Hrs	0.138" (4.60 mm)	0.315" (8.00 mm)	0.591" (15.00 mm)	85 mOhms	474.5 mA	Active	—
UPM1E331MPD1CM	Nichicon	330 µF	25 V	±20%	3000 Hrs	0.138" (4.60 mm)	0.315" (8.00 mm)	0.846" (21.50 mm)	—	610 mA	Active	AEC-Q200
EEU-FC1E331	Panasonic Electronic Components	330 µF	25 V	±20%	3000 Hrs	0.197" (5.00 mm)	0.394" (10.00 mm)	0.492" (12.50 mm)	90 mOhms	490.8 mA	Active	AEC-Q200
EEU-FC1E331B	Panasonic Electronic Components	330 µF	25 V	±20%	3000 Hrs	0.197" (5.00 mm)	0.394" (10.00 mm)	0.531" (14.60 mm)	90 mOhms	490.8 mA	Active	AEC-Q200

Engineering Selection Recommendations

For Automotive Applications (AEC-Q200 Required):

UPM1E331MPD1CM is the primary active equivalent. It matches the original part's electrical specifications, footprint, and AEC-Q200 rating. This part is currently in active production status and is the direct replacement for new designs requiring automotive qualification.

UPM1E331MPD6 provides extended lifetime (5000 Hrs @ 105°C) with AEC-Q200 rating but requires PCB layout modification due to larger footprint (0.197" lead spacing, 0.394" case diameter).

EEU-FC1E331 and EEU-FC1E331B are Panasonic alternatives with AEC-Q200 rating and active production status. Both require footprint adjustment but offer equivalent electrical performance and automotive qualification.

For General-Purpose Applications (Non-Automotive):

UPW1E331MPD6 is an active production part with matching footprint (0.138" lead spacing, 0.315" case diameter) and identical impedance (85 mOhms). It provides 3000 Hrs lifetime at 105°C without automotive rating requirements.

UPA1E331MPD1TD is an active production alternative with identical footprint but reduced ripple current capacity (409.5 mA @ 120 Hz vs. 610 mA). Suitable only for low-ripple applications.

UPJ1E331MPD maintains the original footprint and ripple current specifications but is not recommended for new designs.

For Extended Lifetime Requirements:

UPJ1E331MPD6 and UPW1E331MPD offer 5000 Hrs @ 105°C rating. Both require footprint changes (0.197" lead spacing, 0.394" case diameter). UPJ1E331MPD6 maintains higher ripple current (575 mA @ 120 Hz).

Product Status Consideration:

Parts marked "Active" (UPA1E331MPD1TD, UPW1E331MPD6, UPM1E331MPD1CM, EEU-FC1E331, EEU-FC1E331B) are recommended for new designs. Parts marked "Not For New Designs" are suitable for legacy system support and replacement only.

Frequently Asked Questions (FAQ)

Q: Can UPA1E331MPD1TD directly replace UPM1E331MPD without PCB modification?

A: Yes, UPA1E331MPD1TD has identical lead spacing (0.138", 4.60 mm) and case diameter (0.315", 8.00 mm). However, the height is reduced (0.512" vs. 0.846"), which may affect clearance in confined spaces. Verify PCB layout constraints before substitution.

Q: What is the difference between UPM1E331MPD and UPM1E331MPD6?

A: Both parts share the same electrical specifications (330 µF, 25 V, ±20%, AEC-Q200). UPM1E331MPD6 has extended lifetime (5000 Hrs vs. 3000 Hrs @ 105°C) and larger physical dimensions (0.197" lead spacing, 0.394" case diameter vs. 0.138" and 0.315"). UPM1E331MPD6 requires PCB redesign.

Q: Are Panasonic EEU-FC1E331 and EEU-FC1E331B suitable replacements for automotive applications?

A: Yes, both carry AEC-Q200 rating and are in active production. They match the electrical specifications (330 µF, 25 V, ±20%, 3000 Hrs @ 105°C) but require footprint adjustment (0.197" lead spacing, 0.394" case diameter). EEU-FC1E331B has slightly reduced height (0.531" vs. 0.492").

Q: Why does UPS1E331MPD have lower ripple current (426 mA @ 120 Hz) than the original part (610 mA)?

A: UPS1E331MPD is a different series with higher impedance (190 mOhms vs. 85 mOhms) and shorter lifetime (2000 Hrs vs. 3000 Hrs @ 105°C). It is suitable only for low-ripple applications and is not recommended for direct substitution in high-ripple environments.

Q: What is the difference between Cut Tape (CT) and Bulk packaging for UPA1E331MPD1TD?

A: Packaging affects delivery format and handling. Cut Tape (CT) provides individual component strips suitable for automated assembly. Bulk packaging provides loose components. Electrical and mechanical specifications are identical. Select based on assembly process requirements.

Q: Can I use UPJ1E331MPD instead of UPM1E331MPD to reduce cost?

A: UPJ1E331MPD matches the electrical specifications and footprint but lacks AEC-Q200 automotive rating. It is suitable for general-purpose applications only. For automotive use, maintain AEC-Q200 qualified parts (UPM1E331MPD, UPM1E331MPD1CM, UPM1E331MPD6).

Q: Is UPW1E331MPD6 a direct replacement for UPM1E331MPD?

A: UPW1E331MPD6 has identical footprint (0.138" lead spacing, 0.315" case diameter) and impedance (85 mOhms) but lacks AEC-Q200 rating. It is suitable for general-purpose applications with 3000 Hrs @ 105°C lifetime. For automotive applications, use AEC-Q200 qualified alternatives.

Q: What does "Not For New Designs" mean for UPM1E331MPD?

A: This designation indicates the part has been superseded in the manufacturer's product line. It remains available for legacy system support and replacement but should not be specified for new product development. Use active production alternatives (UPM1E331MPD1CM, UPW1E331MPD6) for new designs.

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