EET-ED2D271BA Equivalent & Substitute Parts

Part Overview

The EET-ED2D271BA is a 270 µF, 200 V aluminum electrolytic capacitor in radial, can snap-in package manufactured by Panasonic Electronic Components. This component is classified as obsolete, making equivalent and substitute parts necessary for ongoing system support and new design implementations. The part operates across a temperature range of -40°C to 105°C with a 3000-hour lifetime rating at 105°C, suitable for general-purpose applications requiring stable capacitance and low equivalent series resistance.

Key Parameters

Parameter	Value
Capacitance	270 µF
Voltage Rating	200 V
Tolerance	±20%
ESR @ Reference Frequency	553 mOhm @ 120 Hz
Lifetime @ Temperature	3000 Hrs @ 105°C
Operating Temperature Range	-40°C ~ 105°C
Lead Spacing	0.394" (10.00 mm)
Case Diameter	0.866" (22.00 mm)
Height (Seated Max)	0.984" (25.00 mm)
Package Type	Radial, Can - Snap-In
Mounting Type	Through Hole
Polarization	Polar

Substitute Part Grouping Explanation

Substitution eligibility for the EET-ED2D271BA is determined by the following critical parameters:

Primary Matching Criteria:

Capacitance: 270 µF (exact match required)
Tolerance: ±20% (exact match required)
Voltage Rating: 200 V minimum (equal or higher acceptable)
Package Type: Radial, Can - Snap-In (exact match required)
Lead Spacing: 0.394" (10.00 mm) (exact match required)
Case Diameter: 0.866" (22.00 mm) (exact match required)
Height: 0.984" (25.00 mm) maximum (equal or lower acceptable)
Mounting Type: Through Hole (exact match required)
Operating Temperature Range: -40°C ~ 105°C minimum (equal or wider acceptable)
Lifetime @ 105°C: 3000 Hrs minimum (equal or greater acceptable)

Secondary Considerations:

ESR characteristics (lower ESR indicates improved performance)
Ripple current ratings (higher ratings provide design margin)
Product status and compliance certifications

Substitute parts are classified as direct equivalents when all primary criteria match exactly, or as upgrades when voltage rating or performance parameters exceed the original specification while maintaining physical and electrical compatibility.

Parameter Comparison

Parameter	EET-ED2D271BA (Panasonic)	B43504E2277M000 (EPCOS)	LGW2E271MELZ25 (Nichicon)	LGU2D271MELZ (Nichicon)	SLP271M200A1P3 (CDE)
Capacitance	270 µF	270 µF	270 µF	270 µF	270 µF
Tolerance	±20%	±20%	±20%	±20%	±20%
Voltage Rating	200 V	200 V	250 V	200 V	200 V
ESR	553 mOhm @ 120 Hz	470 mOhm @ 100 Hz	Not specified	Not specified	737 mOhm
Lifetime @ 105°C	3000 Hrs	3000 Hrs	3000 Hrs	3000 Hrs	3000 Hrs
Operating Temperature	-40°C ~ 105°C	-40°C ~ 105°C	-40°C ~ 105°C	-40°C ~ 105°C	-25°C ~ 105°C
Lead Spacing	0.394" (10.00 mm)	0.394" (10.00 mm)	0.394" (10.00 mm)	0.394" (10.00 mm)	0.394" (10.00 mm)
Case Diameter	0.866" (22.00 mm)	0.866" (22.00 mm)	0.866" (22.00 mm)	0.866" (22.00 mm)	0.866" (22.00 mm)
Height (Seated Max)	0.984" (25.00 mm)	1.063" (27.00 mm)	0.984" (25.00 mm)	0.984" (25.00 mm)	0.984" (25.00 mm)
Package Type	Radial, Can - Snap-In	Radial, Can - Snap-In	Radial, Can - Snap-In	Radial, Can - Snap-In	Radial, Can - Snap-In
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Product Status	Obsolete	Active	Active	Active	Active
RoHS Compliance	Non-compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

Direct Equivalent - B43504E2277M000 (EPCOS - TDK Electronics)

The B43504E2277M000 matches all primary electrical and mechanical parameters of the EET-ED2D271BA. This part features improved ESR performance at 470 mOhm compared to the original 553 mOhm, resulting in lower heat dissipation and improved ripple current handling. The component is ROHS3 compliant and carries active product status, ensuring long-term availability. Physical compatibility is confirmed with identical lead spacing, case diameter, and maximum height of 25.00 mm. The only dimensional variance is a maximum seated height of 27.00 mm, which may require PCB layout verification in space-constrained applications.

Upgrade Option - LGW2E271MELZ25 (Nichicon)

The LGW2E271MELZ25 provides a voltage rating upgrade to 250 V while maintaining identical capacitance, tolerance, and physical dimensions. This part is suitable for applications where higher voltage margin is beneficial. Operating temperature range remains -40°C to 105°C with 3000-hour lifetime at 105°C. ROHS3 compliance and active product status support long-term supply chain stability. Ripple current ratings of 1.65 A @ 120 Hz and 2.475 A @ 50 kHz exceed the original specification, providing enhanced performance headroom.

Direct Equivalent - LGU2D271MELZ (Nichicon)

The LGU2D271MELZ maintains exact electrical specifications at 200 V rated voltage with 270 µF capacitance and ±20% tolerance. Physical dimensions are identical to the original part. ROHS3 compliance and active product status ensure availability. Ripple current ratings of 1.1 A @ 120 Hz and 1.65 A @ 50 kHz are lower than the original specification, requiring verification for applications with high ripple current demands.

Direct Equivalent - SLP271M200A1P3 (Cornell Dubilier Electronics)

The SLP271M200A1P3 matches electrical and mechanical specifications with 270 µF capacitance at 200 V. ESR is specified at 737 mOhm, which is higher than the original 553 mOhm, indicating increased heat dissipation. Operating temperature range is -25°C to 105°C, which is narrower at the lower end compared to the original -40°C specification. ROHS3 compliance and active product status support supply chain continuity. Physical compatibility is confirmed with identical lead spacing, case diameter, and height.

Frequently Asked Questions (FAQ)

Q: Can the B43504E2277M000 be used as a direct replacement for the EET-ED2D271BA?

A: Yes. The B43504E2277M000 is electrically and mechanically compatible. All critical parameters match: 270 µF capacitance, ±20% tolerance, 200 V voltage rating, identical lead spacing of 10.00 mm, case diameter of 22.00 mm, and maximum height of 25.00 mm. The seated height maximum of 27.00 mm requires PCB layout verification to ensure clearance in the original mounting location.

Q: What is the advantage of selecting the LGW2E271MELZ25 over direct equivalents?

A: The LGW2E271MELZ25 provides a 250 V voltage rating compared to the original 200 V specification, offering increased voltage margin for circuit protection. Ripple current ratings are also higher, supporting applications with elevated AC current demands. Physical dimensions remain identical, ensuring drop-in compatibility.

Q: Are all substitute parts RoHS compliant?

A: Yes. All substitute parts listed (B43504E2277M000, LGW2E271MELZ25, LGU2D271MELZ, and SLP271M200A1P3) are ROHS3 compliant. The original EET-ED2D271BA is RoHS non-compliant, making these substitutes necessary for applications requiring RoHS compliance.

Q: Does the SLP271M200A1P3 have any temperature range limitations?

A: The SLP271M200A1P3 operates from -25°C to 105°C, which is narrower than the original -40°C to 105°C range. Applications requiring operation below -25°C must use alternative substitutes such as the B43504E2277M000, LGW2E271MELZ25, or LGU2D271MELZ.

Q: How do ESR differences affect component selection?

A: ESR (Equivalent Series Resistance) determines heat dissipation and ripple current capability. Lower ESR values indicate better performance. The B43504E2277M000 at 470 mOhm provides improved performance compared to the original 553 mOhm. The SLP271M200A1P3 at 737 mOhm has higher ESR, requiring verification for high-ripple-current applications.

Q: Can these parts be used interchangeably on the same PCB?

A: Physical compatibility must be verified. All parts share identical lead spacing (10.00 mm) and case diameter (22.00 mm). The B43504E2277M000 has a maximum seated height of 27.00 mm compared to 25.00 mm for other parts, requiring clearance verification. All other substitutes have identical height specifications and are directly interchangeable.

Q: What is the product status significance for long-term supply?

A: The original EET-ED2D271BA is obsolete, meaning production has ended and inventory is limited. All substitute parts carry active product status, indicating ongoing manufacture and assured long-term availability. This is critical for applications requiring component replenishment or field replacements.

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