Equivalent & Substitute Parts for Würth Elektronik 865060343003

Part Overview

The Würth Elektronik 865060343003 is a 33 µF, 16 V aluminum electrolytic capacitor in surface mount radial can package, rated for 2000 hours at 105°C. This component is classified as Active product status and is suitable for general purpose applications. Equivalent and substitute parts are identified based on matching capacitance, tolerance, voltage rating, package dimensions, and thermal performance specifications to ensure functional compatibility in circuit designs.

Key Parameters

Parameter	Value
Manufacturer Part Number	865060343003
Manufacturer	Würth Elektronik
Series	WCAP-ASLL
Capacitance	33 µF
Tolerance	±20%
Voltage - Rated	16 V
Lifetime @ Temperature	2000 Hrs @ 105°C
Operating Temperature Range	-55°C ~ 105°C
Size / Dimension	0.248" Dia (6.30mm)
Height - Seated (Max)	0.217" (5.50mm)
Surface Mount Land Size	0.260" L x 0.260" W (6.60mm x 6.60mm)
Mounting Type	Surface Mount
Package / Case	Radial, Can - SMD
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Product Status	Active

Substitute Part Grouping Explanation

Substitute parts for the 865060343003 are categorized based on the following substitution criteria:

Upgrade Substitutes (Higher Voltage Rating): Parts with identical capacitance (33 µF), tolerance (±20%), and package dimensions but rated for higher voltage (25 V or 35 V). These provide enhanced voltage margin and are directly interchangeable in applications where the circuit voltage does not exceed the substitute part's rating.

Parametric Equivalents (Same Series, Different Internal Design): Parts from the same manufacturer with matching electrical specifications but from an alternative series line (WCAP-ASLI vs. WCAP-ASLL), offering equivalent performance with potential variations in impedance or ripple current characteristics.

Direct Equivalents (Cross-Manufacturer): Parts from alternative manufacturers (Nichicon, Panasonic, Chemi-Con) with identical or closely matched capacitance, voltage, tolerance, package dimensions, and thermal ratings. These are suitable for direct replacement when supply constraints or design flexibility require multi-source qualification.

Key Parameters for Substitution:

Capacitance: 33 µF (fixed)
Tolerance: ±20% (fixed)
Voltage Rating: 16 V minimum (upgrades to 25 V or 35 V acceptable)
Package: Radial, Can - SMD with 0.248" diameter and 0.260" x 0.260" land size
Thermal Rating: 2000 Hrs @ 105°C minimum
Operating Temperature: -55°C ~ 105°C
Mounting: Surface Mount

Parameter Comparison

Part Number	Manufacturer	Series	Capacitance	Voltage	Tolerance	Lifetime @ 105°C	Size (Dia)	Height (Max)	Impedance	Ripple Current @ 100 kHz
865060343003	Würth Elektronik	WCAP-ASLL	33 µF	16 V	±20%	2000 Hrs	6.30mm	5.50mm	440 mOhms	230 mA
865060443003	Würth Elektronik	WCAP-ASLL	33 µF	25 V	±20%	2000 Hrs	6.30mm	5.50mm	440 mOhms	230 mA
865060543004	Würth Elektronik	WCAP-ASLL	33 µF	35 V	±20%	2000 Hrs	6.30mm	5.50mm	440 mOhms	240 mA
865080543008	Würth Elektronik	WCAP-ASLI	33 µF	35 V	±20%	2000 Hrs	6.30mm	5.50mm	540 mOhms	240 mA
865080343005	Würth Elektronik	WCAP-ASLI	33 µF	16 V	±20%	2000 Hrs	6.30mm	5.50mm	600 mOhms	185 mA
UUD1C330MCL1GS	Nichicon	UUD	33 µF	16 V	±20%	2000 Hrs	6.30mm	6.10mm	440 mOhms	230 mA
EEE-FP1E330AP	Panasonic Electronic Components	FP	33 µF	25 V	±20%	2000 Hrs	6.30mm	5.80mm	260 mOhms	300 mA
EEE-FP1V330AP	Panasonic Electronic Components	FP	33 µF	35 V	±20%	2000 Hrs	6.30mm	5.80mm	260 mOhms	300 mA
EMZA350ARA330MF61G	Chemi-Con	Alchip™- MZA	33 µF	35 V	±20%	2000 Hrs	6.30mm	6.10mm	360 mOhms	240 mA
UCL1E330MCL1GS	Nichicon	UCL	33 µF	25 V	±20%	2000 Hrs	6.30mm	5.80mm	260 mOhms	300 mA
UUA1C330MCL1GS	Nichicon	UUA	33 µF	16 V	±20%	3000 Hrs	6.30mm	5.80mm	Not specified	Not specified

Engineering Selection Recommendations

For Direct Replacement (Same Voltage Rating): The Nichicon UUD1C330MCL1GS and Würth Elektronik 865080343005 are parametric equivalents to the 865060343003, maintaining the 16 V rating with identical capacitance and tolerance. The UUD1C330MCL1GS carries AEC-Q200 automotive qualification, suitable for applications requiring automotive-grade reliability. The 865080343005 from Würth Elektronik's WCAP-ASLI series offers an alternative internal design with higher impedance (600 mOhms vs. 440 mOhms).

For Voltage Margin Enhancement: The Würth Elektronik 865060443003 (25 V) and 865060543004 (35 V) provide direct upgrades within the same WCAP-ASLL series, maintaining identical impedance and package footprint. The 865080543008 (35 V, WCAP-ASLI series) offers higher impedance characteristics. Panasonic EEE-FP1E330AP (25 V) and EEE-FP1V330AP (35 V) provide lower impedance (260 mOhms) and higher ripple current capability (300 mA @ 100 kHz), with AEC-Q200 automotive certification.

For Multi-Source Qualification: The Chemi-Con EMZA350ARA330MF61G (35 V, Alchip™-MZA series) offers AEC-Q200 automotive qualification with optimized impedance (360 mOhms) and is suitable for designs requiring cross-manufacturer sourcing. The Nichicon UCL1E330MCL1GS (25 V) provides general purpose application support with lower impedance (260 mOhms) and higher ripple current (300 mA @ 100 kHz).

Compliance Considerations: All listed substitutes maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating. The Nichicon UUD1C330MCL1GS carries REACH Affected status, while all other parts are REACH Unaffected. Automotive-rated parts (UUD1C330MCL1GS, EEE-FP1E330AP, EEE-FP1V330AP, EMZA350ARA330MF61G) are qualified to AEC-Q200 standards.

Frequently Asked Questions (FAQ)

Q: Can I use a 25 V or 35 V rated capacitor in place of the 16 V 865060343003?

A: Yes. Higher voltage-rated capacitors are directly interchangeable in circuits designed for lower voltages. The 865060443003 (25 V) and 865060543004 (35 V) maintain identical capacitance, tolerance, package dimensions, and thermal ratings. This substitution provides additional voltage margin without affecting circuit performance.

Q: What is the difference between the WCAP-ASLL and WCAP-ASLI series from Würth Elektronik?

A: Both series share identical package dimensions and thermal specifications for the 33 µF 16 V and 35 V ratings. The primary difference is impedance: WCAP-ASLL maintains 440 mOhms, while WCAP-ASLI exhibits higher impedance (540-600 mOhms depending on voltage rating). Selection depends on ripple current and impedance requirements of the application.

Q: Are Nichicon, Panasonic, and Chemi-Con parts pin-compatible with the Würth Elektronik 865060343003?

A: Yes. All listed substitutes maintain the same radial can SMD package with 0.260" x 0.260" land size and 6.30mm diameter. Physical mounting and electrical connection are compatible. Minor height variations (5.50mm to 6.10mm) do not affect PCB assembly compatibility for standard surface mount processes.

Q: Which substitute offers the lowest impedance?

A: The Panasonic EEE-FP1E330AP (25 V) and EEE-FP1V330AP (35 V) offer the lowest impedance at 260 mOhms, compared to 440 mOhms for the original 865060343003. The Chemi-Con EMZA350ARA330MF61G (35 V) provides intermediate impedance at 360 mOhms. Lower impedance reduces voltage ripple and is beneficial for noise-sensitive applications.

Q: What is the difference between general purpose and automotive-rated parts?

A: Automotive-rated parts (UUD1C330MCL1GS, EEE-FP1E330AP, EEE-FP1V330AP, EMZA350ARA330MF61G) carry AEC-Q200 qualification, indicating compliance with automotive reliability and environmental stress testing standards. General purpose parts (865060343003, 865060443003, 865060543004, 865080343005, 865080543008, UCL1E330MCL1GS, UUA1C330MCL1GS) are suitable for industrial and consumer applications without automotive certification requirements.

Q: Does the Nichicon UUA1C330MCL1GS offer any advantage over the original part?

A: The UUA1C330MCL1GS provides extended thermal life (3000 Hrs @ 105°C vs. 2000 Hrs), offering improved longevity in high-temperature environments. However, ripple current specifications are not provided for this part, requiring verification against application requirements before selection.

Q: Can I mix different manufacturers in the same circuit design?

A: Yes. All listed substitutes meet the same electrical and package specifications, allowing multi-source qualification. However, verify that your design documentation and supply chain management support cross-manufacturer sourcing before implementation.

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