Equivalent & Substitute Parts for 865080645009

Part Overview

The Würth Elektronik 865080645009 is a 27 µF, 50 V aluminum electrolytic capacitor in surface mount radial can package, rated for 2000 hours at 105°C. This component is classified as Active and is suitable for general purpose applications. Substitute parts are identified to provide alternative sourcing options while maintaining electrical and mechanical compatibility within the specified parameter tolerances.

Key Parameters

Parameter	Specification
Capacitance	27 µF
Voltage Rating	50 V
Tolerance	±20%
Lifetime @ Temperature	2000 Hrs @ 105°C
Operating Temperature Range	-55°C ~ 105°C
Package Type	Radial, Can - SMD
Mounting Type	Surface Mount
Polarization	Polar
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the 865080645009 are qualified based on the following critical parameters:

Capacitance: 27 µF (exact match required)
Voltage Rating: 50 V (exact match required)
Tolerance: ±20% (exact match required)
Lifetime: 2000 Hrs @ 105°C (exact match required)
Operating Temperature: -55°C ~ 105°C (exact match required)
Package: Radial, Can - SMD (exact match required)
Mounting: Surface Mount (exact match required)
Polarization: Polar (exact match required)
RoHS3 Compliance (required)

Two substitute parts meet these criteria: UUD1H270MCL1GS (Nichicon UUD series) and UWD1H270MCL1GS (Nichicon UWD series). Both maintain identical electrical specifications and physical dimensions within allowable tolerances.

Parameter Comparison

Parameter	865080645009 (Würth)	UUD1H270MCL1GS (Nichicon)	UWD1H270MCL1GS (Nichicon)
Manufacturer	Würth Elektronik	Nichicon	Nichicon
Series	WCAP-ASLI	UUD	UWD
Capacitance	27 µF	27 µF	27 µF
Voltage Rating	50 V	50 V	50 V
Tolerance	±20%	±20%	±20%
Lifetime @ 105°C	2000 Hrs	2000 Hrs	2000 Hrs
Operating Temperature	-55°C ~ 105°C	-55°C ~ 105°C	-55°C ~ 105°C
Impedance	1.2 Ohms	680 mOhms	680 mOhms
Ripple Current @ 120 Hz	117 mA	92.5 mA	92.5 mA
Ripple Current @ 100 kHz	180 mA	185 mA	185 mA
Size (Diameter)	0.248" (6.30mm)	0.248" (6.30mm)	0.248" (6.30mm)
Height - Seated (Max)	0.303" (7.70mm)	0.315" (8.00mm)	0.303" (7.70mm)
Surface Mount Land Size	0.260" L x 0.260" W (6.60mm x 6.60mm)	0.260" L x 0.260" W (6.60mm x 6.60mm)	0.260" L x 0.260" W (6.60mm x 6.60mm)
Package / Case	Radial, Can - SMD	Radial, Can - SMD	Radial, Can - SMD
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Active	Active	Active
Applications	General Purpose	Automotive	General Purpose
Ratings	-	AEC-Q200	-

Engineering Selection Recommendations

Both substitute parts maintain full electrical and mechanical compatibility with the original 865080645009. Selection between alternatives depends on application requirements:

UUD1H270MCL1GS is qualified to AEC-Q200 automotive standards and is suitable for automotive applications requiring enhanced reliability certification. This part exhibits lower impedance (680 mOhms vs. 1.2 Ohms) and higher ripple current capability at 100 kHz (185 mA vs. 180 mA), with a maximum seated height of 0.315" (8.00mm).

UWD1H270MCL1GS maintains identical physical dimensions to the original part (0.303" maximum seated height) and is designated for general purpose applications. This part also features lower impedance (680 mOhms) and equivalent high-frequency ripple current performance (185 mA @ 100 kHz).

All three parts are Active status products with ROHS3 compliance and unlimited moisture sensitivity rating.

Frequently Asked Questions (FAQ)

Q: Can UUD1H270MCL1GS and UWD1H270MCL1GS be used interchangeably with 865080645009?

A: Both Nichicon parts meet all critical electrical parameters (27 µF, 50 V, ±20%, 2000 Hrs @ 105°C) and physical package specifications. They are electrically and mechanically compatible. The primary difference is the maximum seated height: UUD1H270MCL1GS reaches 0.315" (8.00mm) versus 0.303" (7.70mm) for both the original and UWD1H270MCL1GS. Verify PCB clearance if height is a constraint.

Q: What is the difference between UUD1H270MCL1GS and UWD1H270MCL1GS?

A: Both parts share identical electrical specifications and impedance characteristics (680 mOhms). The UUD series carries AEC-Q200 automotive qualification and is rated for automotive applications. The UWD series is designated for general purpose use. The UUD has a maximum seated height of 0.315" (8.00mm) compared to 0.303" (7.70mm) for the UWD.

Q: Are there compliance or certification differences?

A: All three parts are ROHS3 compliant with MSL 1 (Unlimited). The UUD1H270MCL1GS carries AEC-Q200 automotive qualification. The original 865080645009 and UWD1H270MCL1GS do not list automotive certifications.

Q: How do impedance values affect circuit performance?

A: The substitute parts (680 mOhms) exhibit lower impedance than the original (1.2 Ohms). Lower impedance generally reduces voltage ripple and improves transient response in power supply applications. This represents an improvement in performance characteristics.

Q: What is the impact of ripple current differences?

A: At 120 Hz, the original part supports 117 mA while substitutes support 92.5 mA. At 100 kHz, the original supports 180 mA while substitutes support 185 mA. Application-specific ripple current requirements must be evaluated against these specifications.

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