EEU-ED2E151 Equivalent & Substitute Parts

Part Overview

The EEU-ED2E151 is a 150 µF, 250 V aluminum electrolytic capacitor in radial, can package manufactured by Panasonic Electronic Components. This part operates across a temperature range of -25°C to 105°C with a rated lifetime of 10,000 hours at 105°C. The product is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement continuity.

Key Parameters

Parameter	Value
Capacitance	150 µF
Voltage - Rated	250 V
Tolerance	±20%
Lifetime @ Temperature	10,000 Hrs @ 105°C
Operating Temperature Range	-25°C ~ 105°C
Polarization	Polar
Lead Spacing	0.295" (7.50 mm)
Size / Dimension	0.709" Dia (18.00 mm)
Height - Seated (Max)	1.240" (31.50 mm)
Mounting Type	Through Hole
Package / Case	Radial, Can
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the EEU-ED2E151 is determined by the following critical parameters:

Electrical Parameters: Capacitance (150 µF), rated voltage (250 V), and tolerance (±20%) must match exactly
Mechanical Parameters: Lead spacing (7.50 mm), mounting type (through hole), and package type (radial, can) must be compatible with the PCB layout
Thermal Parameters: Operating temperature range (-25°C to 105°C) must be maintained
Compliance: RoHS3 compliance and REACH unaffected status required for regulatory alignment

Substitute parts are grouped into two categories:

Category 1 - Panasonic Series Variants (EEU-EB2E151, EEU-EE2E151): Same manufacturer, identical electrical and mechanical specifications, differing primarily in lifetime ratings and physical height. These maintain full design compatibility.

Category 2 - Cross-Manufacturer Equivalents (250BXC150MEFC18X25, UCA2E151MHD, UPT2E151MHD): Alternative manufacturers (Rubycon, Nichicon) with matching electrical specifications and compatible mechanical dimensions. Physical height variations exist but remain within acceptable through-hole mounting tolerances.

Parameter Comparison

Part Number	Manufacturer	Capacitance	Voltage	Tolerance	Lifetime @ 105°C	Lead Spacing	Size Dia	Height (Max)	Product Status	RoHS Status
EEU-ED2E151	Panasonic	150 µF	250 V	±20%	10,000 Hrs	7.50 mm	18.00 mm	31.50 mm	Obsolete	ROHS3
EEU-EB2E151	Panasonic	150 µF	250 V	±20%	5,000 Hrs	7.50 mm	18.00 mm	34.60 mm	Obsolete	ROHS3
EEU-EE2E151	Panasonic	150 µF	250 V	±20%	10,000 Hrs	7.50 mm	18.00 mm	34.60 mm	Obsolete	ROHS3
250BXC150MEFC18X25	Rubycon	150 µF	250 V	±20%	12,000 Hrs	7.50 mm	18.00 mm	27.00 mm	Active	ROHS3
UCA2E151MHD	Nichicon	150 µF	250 V	±20%	12,000 Hrs	7.50 mm	18.00 mm	33.00 mm	Obsolete	ROHS3
UPT2E151MHD	Nichicon	150 µF	250 V	±20%	5,000 Hrs	7.50 mm	16.00 mm	33.00 mm	Active	ROHS3

Engineering Selection Recommendations

For Direct Replacement (Preferred):

EEU-EE2E151 (Panasonic): Identical electrical specifications and lifetime rating to the main part. Slightly increased height (34.60 mm vs. 31.50 mm) is acceptable for through-hole applications with standard PCB clearance. Obsolete status requires inventory planning.
250BXC150MEFC18X25 (Rubycon): Active product status ensures long-term availability. Reduced height (27.00 mm) provides superior PCB clearance. Extended lifetime (12,000 hours) exceeds original specification.

For Applications with Relaxed Lifetime Requirements:

EEU-EB2E151 (Panasonic): Reduced lifetime (5,000 hours) suitable for non-critical applications. Increased height requires PCB layout verification.
UPT2E151MHD (Nichicon): Active product with reduced lifetime (5,000 hours). Smaller diameter (16.00 mm) reduces PCB footprint. Verify ripple current specifications for application requirements.

For Extended Reliability:

UCA2E151MHD (Nichicon): Extended lifetime (12,000 hours) matches or exceeds original specification. Obsolete status requires procurement planning.

All substitute parts maintain RoHS3 compliance and REACH unaffected status, ensuring regulatory alignment with the original part.

Frequently Asked Questions (FAQ)

Q: Can EEU-ED2E151 be replaced with EEU-EB2E151? A: Electrical and mechanical compatibility is confirmed. The primary difference is reduced lifetime (5,000 hours vs. 10,000 hours). Substitution is acceptable for applications where the lower lifetime rating meets design requirements.

Q: What is the impact of height variation among substitute parts? A: Height variations range from 27.00 mm to 34.60 mm. Through-hole mounting tolerates these variations provided PCB clearance is available above the capacitor. Verify clearance to adjacent components and enclosure constraints before substitution.

Q: Is 250BXC150MEFC18X25 a suitable replacement despite being from a different manufacturer? A: Yes. Electrical specifications (150 µF, 250 V, ±20%) and mechanical parameters (lead spacing, diameter) are identical. Active product status ensures availability. The extended lifetime (12,000 hours) provides additional design margin.

Q: Why does UPT2E151MHD have a smaller diameter? A: UPT2E151MHD uses a 16.00 mm diameter can versus 18.00 mm for the original part. This reduces PCB footprint while maintaining electrical performance. Verify that the smaller diameter accommodates the PCB pad layout and component spacing.

Q: Are all substitute parts RoHS3 compliant? A: Yes. All listed substitute parts maintain ROHS3 compliance and REACH unaffected status, ensuring regulatory alignment with the original EEU-ED2E151.

Q: Which substitute offers the best long-term availability? A: 250BXC150MEFC18X25 (Rubycon) and UPT2E151MHD (Nichicon) are classified as active products, ensuring continued manufacturing and supply chain availability. Panasonic and Nichicon obsolete parts require inventory verification with distributors.

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