EEU-FC2A271SB Equivalent & Substitute Parts

Part Overview

The EEU-FC2A271SB is a 270 µF, 100 V aluminum electrolytic capacitor in radial configuration manufactured by Panasonic Electronic Components. This component is rated for automotive applications with AEC-Q200 compliance and features a 5000-hour lifetime at 105°C operating temperature. The part is currently in active production status with Tape & Box packaging.

Substitute parts are necessary when the primary part becomes unavailable due to inventory constraints, supply chain disruptions, or when alternative packaging formats are required for manufacturing processes.

Key Parameters

Parameter	Value
Capacitance	270 µF
Voltage Rating	100 V
Tolerance	±20%
Lifetime @ Temperature	5000 Hrs @ 105°C
Operating Temperature Range	-55°C ~ 105°C
Polarization	Polar
Mounting Type	Through Hole
Package Type	Radial, Can
Lead Spacing	0.295" (7.50mm)
Physical Diameter	0.709" (18.00mm)
Height (Seated Max)	0.866" (22.00mm)
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the EEU-FC2A271SB is determined by strict electrical and mechanical parameter matching:

Critical Parameters for Substitution:

Capacitance: 270 µF (exact match required)
Voltage Rating: 100 V (exact match required)
Tolerance: ±20% (exact match required)
Polarization: Polar (exact match required)
Mounting Type: Through Hole (exact match required)
Package Type: Radial, Can (exact match required)
Lead Spacing: 0.295" (7.50mm) (exact match required)
Physical Diameter: 0.709" (18.00mm) (exact match required)
Height (Seated Max): 0.866" (22.00mm) (exact match required)
Operating Temperature Range: -55°C ~ 105°C (exact match required)
Lifetime @ Temperature: 5000 Hrs @ 105°C (exact match required)

Substitute Categories:

Direct Substitute (Packaging Variant): EEU-FC2A271S differs only in packaging format (Bulk vs. Tape & Box), maintaining identical electrical and mechanical specifications.

Similar Substitute (Geometric Variant): EEU-FC2A271L shares electrical specifications but features different physical dimensions (0.492" diameter, 1.575" height, 0.197" lead spacing) and is marked as Obsolete.

Parametric Equivalent (Cross-Manufacturer): UPJ2A271MHD6 (Nichicon) and UPM2A271MHD6TN (Nichicon) match all critical electrical parameters and physical dimensions but differ in product status and application classifications.

Parameter Comparison

Parameter	EEU-FC2A271SB	EEU-FC2A271S	EEU-FC2A271L	UPJ2A271MHD6	UPM2A271MHD6TN
Manufacturer	Panasonic	Panasonic	Panasonic	Nichicon	Nichicon
Capacitance	270 µF	270 µF	270 µF	270 µF	270 µF
Voltage Rating	100 V	100 V	100 V	100 V	100 V
Tolerance	±20%	±20%	±20%	±20%	±20%
Lifetime @ Temp.	5000 Hrs @ 105°C	5000 Hrs @ 105°C	5000 Hrs @ 105°C	5000 Hrs @ 105°C	5000 Hrs @ 105°C
Operating Temperature	-55°C ~ 105°C	-55°C ~ 105°C	-55°C ~ 105°C	-55°C ~ 105°C	-55°C ~ 105°C
Polarization	Polar	Polar	Polar	Polar	Polar
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Package Type	Radial, Can	Radial, Can	Radial, Can	Radial, Can	Radial, Can
Lead Spacing	0.295" (7.50mm)	0.295" (7.50mm)	0.197" (5.00mm)	0.295" (7.50mm)	0.295" (7.50mm)
Diameter	0.709" (18.00mm)	0.709" (18.00mm)	0.492" (12.50mm)	0.709" (18.00mm)	0.709" (18.00mm)
Height (Seated Max)	0.866" (22.00mm)	0.866" (22.00mm)	1.575" (40.00mm)	0.846" (21.50mm)	0.866" (22.00mm)
Impedance	80 mOhms	80 mOhms	72 mOhms	80 mOhms	80 mOhms
Product Status	Active	Active	Obsolete	Not For New Designs	Not For New Designs
AEC-Q200 Rating	Yes	Yes	Yes	No	Yes
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

EEU-FC2A271S: This part is the preferred direct substitute for EEU-FC2A271SB. It maintains identical electrical and mechanical specifications with Active product status and AEC-Q200 automotive compliance. The only difference is packaging format (Bulk vs. Tape & Box). Selection is appropriate for applications where packaging flexibility is acceptable.

EEU-FC2A271L: This part is not recommended for new designs due to Obsolete product status. While it shares electrical specifications, its different physical dimensions (smaller diameter, longer height, different lead spacing) require PCB layout modifications and are incompatible with existing board designs for EEU-FC2A271SB.

UPJ2A271MHD6: This Nichicon part matches all critical electrical and mechanical parameters but carries "Not For New Designs" status. It lacks AEC-Q200 automotive certification, making it unsuitable for automotive applications. Selection is limited to legacy system maintenance or general-purpose applications only.

UPM2A271MHD6TN: This Nichicon part provides parametric equivalence with Active-equivalent performance characteristics. It maintains AEC-Q200 automotive compliance and identical physical dimensions to EEU-FC2A271SB. However, REACH Status is listed as "Affected," requiring compliance verification for specific regulatory jurisdictions. This part is suitable for automotive applications where cross-manufacturer sourcing is acceptable.

Frequently Asked Questions (FAQ)

Q: Can EEU-FC2A271S be used as a direct replacement for EEU-FC2A271SB?

A: Yes. EEU-FC2A271S is a direct electrical and mechanical equivalent. The only difference is packaging format (Bulk vs. Tape & Box). Both parts are Active status with identical AEC-Q200 automotive ratings and specifications. No circuit modifications are required.

Q: Why is EEU-FC2A271L not recommended as a substitute?

A: EEU-FC2A271L has different physical dimensions: 0.492" diameter (vs. 0.709"), 1.575" height (vs. 0.866"), and 0.197" lead spacing (vs. 0.295"). These geometric differences are incompatible with PCB layouts designed for EEU-FC2A271SB. Additionally, this part is marked Obsolete and should not be used in new designs.

Q: Can Nichicon parts (UPJ2A271MHD6 or UPM2A271MHD6TN) replace the Panasonic EEU-FC2A271SB?

A: UPM2A271MHD6TN is suitable for automotive applications, maintaining AEC-Q200 compliance and identical physical dimensions. UPJ2A271MHD6 is not recommended for automotive use due to lack of AEC-Q200 certification and "Not For New Designs" status. Cross-manufacturer substitution requires design validation and supply chain approval.

Q: What are the critical parameters that must match for substitution?

A: Capacitance (270 µF), voltage rating (100 V), tolerance (±20%), polarization (Polar), mounting type (Through Hole), package type (Radial, Can), lead spacing (0.295" / 7.50mm), physical diameter (0.709" / 18.00mm), and height (0.866" / 22.00mm) must all match exactly. Operating temperature range (-55°C ~ 105°C) and lifetime rating (5000 Hrs @ 105°C) must also be identical.

Q: Does packaging format affect electrical performance?

A: No. Packaging format (Tape & Box vs. Bulk vs. Cut Tape) affects only handling, storage, and assembly processes. Electrical and mechanical specifications remain identical across packaging variants of the same part number base.

Q: What is the significance of "Not For New Designs" status?

A: Parts marked "Not For New Designs" are typically in end-of-life phases. While they may still function electrically, manufacturers do not recommend their use in new product development. These parts are generally reserved for legacy system maintenance or replacement applications only.

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