Equivalent & Substitute Parts for 511D277M025CD4D

Part Overview

The Vishay Sprague 511D277M025CD4D is a 270 µF, 25 V aluminum electrolytic capacitor in radial, can package with a rated lifetime of 1000 hours at 105°C. This component is classified as Active product status and serves general-purpose applications requiring through-hole mounting.

Due to the Active status of this part and the availability of higher-performance alternatives with extended lifetime ratings and improved compliance certifications, equivalent substitutes are available. The substitute parts maintain identical electrical specifications (capacitance, voltage, tolerance) while offering enhanced reliability characteristics and regulatory compliance.

Key Parameters

Parameter	Value
Capacitance	270 µF
Voltage Rating	25 V
Tolerance	±20%
Package Type	Radial, Can
Lead Spacing	0.197" (5.00 mm)
Size / Dimension	0.394" Dia (10.00 mm)
Mounting Type	Through Hole
Polarization	Polar

Substitute Part Grouping Explanation

Substitution eligibility for the 511D277M025CD4D is determined by the following mandatory parameters:

Capacitance: 270 µF (exact match required)
Voltage Rating: 25 V (exact match required)
Tolerance: ±20% (exact match required)
Package Type: Radial, Can (exact match required)
Lead Spacing: 0.197" (5.00 mm) (exact match required)
Size / Dimension: 0.394" Dia (10.00 mm) (exact match required)
Mounting Type: Through Hole (exact match required)
Polarization: Polar (exact match required)

The substitute parts UPJ1E271MPD6 and UPM1E271MPD6 (both Nichicon) satisfy all mandatory electrical and mechanical parameters. Both substitutes provide extended lifetime ratings (5000 hours at 105°C versus 1000 hours) and improved regulatory compliance compared to the original part.

Parameter Comparison

Parameter	511D277M025CD4D (Vishay Sprague)	UPJ1E271MPD6 (Nichicon)	UPM1E271MPD6 (Nichicon)
Capacitance	270 µF	270 µF	270 µF
Voltage Rating	25 V	25 V	25 V
Tolerance	±20%	±20%	±20%
Lifetime @ Temp.	1000 Hrs @ 105°C	5000 Hrs @ 105°C	5000 Hrs @ 105°C
Operating Temperature	-40°C ~ 105°C	-55°C ~ 105°C	-55°C ~ 105°C
Lead Spacing	0.197" (5.00 mm)	0.197" (5.00 mm)	0.197" (5.00 mm)
Size / Dimension	0.394" Dia (10.00 mm)	0.394" Dia (10.00 mm)	0.394" Dia (10.00 mm)
Height - Seated (Max)	0.669" (17.00 mm)	0.650" (16.50 mm)	0.669" (17.00 mm)
Mounting Type	Through Hole	Through Hole	Through Hole
Package / Case	Radial, Can	Radial, Can	Radial, Can
RoHS Status	RoHS non-compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Active	Not For New Designs	Not For New Designs
Applications	General Purpose	General Purpose	Automotive
Ratings	-	-	AEC-Q200

Engineering Selection Recommendations

Both UPJ1E271MPD6 and UPM1E271MPD6 are electrically and mechanically compatible with the 511D277M025CD4D. Selection between these substitutes depends on application requirements:

UPJ1E271MPD6 (Nichicon UPJ Series): Suitable for general-purpose applications requiring ROHS3 compliance and extended lifetime. This part provides a direct upgrade path with improved reliability characteristics while maintaining general-purpose application suitability.

UPM1E271MPD6 (Nichicon UPM Series): Specified for automotive applications with AEC-Q200 qualification and ROHS3 compliance. This part includes REACH Affected status and lower impedance (110 mOhms versus 180 mOhms in UPJ1E271MPD6), making it suitable for automotive-grade designs requiring enhanced performance specifications.

Both substitutes offer superior lifetime ratings (5000 hours at 105°C) and regulatory compliance compared to the original part. The choice between them depends on whether the application requires automotive-grade qualification and performance characteristics.

Frequently Asked Questions (FAQ)

Q: Can UPJ1E271MPD6 or UPM1E271MPD6 be used as direct replacements for 511D277M025CD4D?

A: Yes. Both substitutes maintain identical capacitance (270 µF), voltage rating (25 V), tolerance (±20%), package type (radial, can), lead spacing (0.197" / 5.00 mm), and mounting type (through hole). Physical dimensions are compatible with PCB layouts designed for the original part.

Q: What are the key differences between the two substitute options?

A: UPJ1E271MPD6 is designated for general-purpose applications, while UPM1E271MPD6 carries AEC-Q200 automotive qualification. UPM1E271MPD6 features lower impedance (110 mOhms versus 180 mOhms) and REACH Affected status. Both provide identical electrical performance and 5000-hour lifetime at 105°C.

Q: Does the height difference between substitutes affect PCB compatibility?

A: UPJ1E271MPD6 has a maximum seated height of 0.650" (16.50 mm), while UPM1E271MPD6 matches the original part at 0.669" (17.00 mm). Verify PCB clearance requirements for your specific application. Both are within standard radial capacitor height tolerances.

Q: Are the substitute parts RoHS compliant?

A: Yes. Both UPJ1E271MPD6 and UPM1E271MPD6 are ROHS3 compliant, whereas the original 511D277M025CD4D is RoHS non-compliant. This represents an improvement in regulatory compliance for new designs.

Q: What is the operating temperature range for each substitute?

A: Both substitutes operate across -55°C to 105°C, extending the lower temperature limit compared to the original part (-40°C to 105°C). This provides improved performance in cold-temperature environments.

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