Equivalent & Substitute Parts for UCD1C330MCL1GS

Part Overview

The UCD1C330MCL1GS is a 33 µF, 16 V aluminum electrolytic capacitor manufactured by Nichicon in the UCD series. This surface mount component is rated for 2000 hours at 105°C and meets AEC-Q200 automotive qualification standards. The part is currently active in production with 952 units in stock.

Equivalent and substitute parts are necessary when the original part becomes unavailable, when higher voltage ratings are required for circuit margin, when alternative manufacturers are preferred for supply chain diversification, or when performance characteristics need adjustment for specific application requirements.

Key Parameters

Parameter	Value
Capacitance	33 µF
Voltage Rating	16 V
Tolerance	±20%
Lifetime @ Temperature	2000 Hrs @ 105°C
Operating Temperature Range	-55°C ~ 105°C
Package Type	Radial, Can - SMD
Case Size	0.248" Dia (6.30mm)
Height	0.240" (6.10mm)
Mounting Type	Surface Mount
Polarization	Polar
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility is determined by the following criteria:

Upgrade Substitutes (Higher Voltage Rating): Parts with identical capacitance (33 µF), tolerance (±20%), case size (6.30mm diameter), height (6.10mm), and surface mount configuration, but with increased voltage ratings (25 V or 35 V). These provide enhanced voltage margin and are directly interchangeable in applications where the original 16 V rating is sufficient but additional safety margin is desired.

Parametric Equivalents (Same Voltage, Different Series): Parts with identical electrical specifications (33 µF, 16 V, ±20%, 2000 Hrs @ 105°C) and identical physical dimensions, but from different manufacturer series. These maintain full compatibility with the original design.

Similar Parts (Reduced Performance): Parts with matching capacitance and voltage but lower lifetime ratings (1000 Hrs @ 105°C instead of 2000 Hrs) or obsolete status. These are listed for reference but carry reduced reliability characteristics.

Cross-Manufacturer Equivalents: Panasonic EEE-FK and EEE-FP series parts with matching or upgraded electrical and physical specifications, providing alternative sourcing from a different manufacturer while maintaining AEC-Q200 automotive qualification.

Parameter Comparison

Part Number	Manufacturer	Capacitance	Voltage	Lifetime @ 105°C	Series	Status	Impedance	Height (Max)
UCD1C330MCL1GS	Nichicon	33 µF	16 V	2000 Hrs	UCD	Active	360 mOhms	0.240" (6.10mm)
UCD1E330MCL1GS	Nichicon	33 µF	25 V	2000 Hrs	UCD	Active	360 mOhms	0.240" (6.10mm)
UCD1V330MCL1GS	Nichicon	33 µF	35 V	2000 Hrs	UCD	Active	360 mOhms	0.240" (6.10mm)
UCL1E330MCL1GS	Nichicon	33 µF	25 V	2000 Hrs	UCL	Active	260 mOhms	0.228" (5.80mm)
UUD1C330MCL1GS	Nichicon	33 µF	16 V	2000 Hrs	UUD	Active	440 mOhms	0.240" (6.10mm)
UWF1C330MCL1GB	Nichicon	33 µF	16 V	1000 Hrs	UWF	Obsolete	1.3 Ohms	0.217" (5.50mm)
EEE-FK1E330P	Panasonic	33 µF	25 V	2000 Hrs	FK	Active	360 mOhms	0.240" (6.10mm)
EEE-FK1E330AP	Panasonic	33 µF	25 V	2000 Hrs	FK	Active	360 mOhms	0.240" (6.10mm)
EEE-FK1V330P	Panasonic	33 µF	35 V	2000 Hrs	FK	Active	360 mOhms	0.240" (6.10mm)
EEE-FK1V330AP	Panasonic	33 µF	35 V	2000 Hrs	FK	Active	360 mOhms	0.240" (6.10mm)
EEE-FP1E330AP	Panasonic	33 µF	25 V	2000 Hrs	FP	Active	260 mOhms	0.228" (5.80mm)

Engineering Selection Recommendations

Direct Replacement (Same Voltage): UUD1C330MCL1GS maintains identical electrical specifications and AEC-Q200 automotive qualification. Both parts are active in production with 2000-hour lifetime ratings at 105°C. Physical dimensions are identical, ensuring PCB compatibility.

Voltage Upgrade Path: UCD1E330MCL1GS (25 V) and UCD1V330MCL1GS (35 V) are direct upgrades within the Nichicon UCD series. All three parts share identical case size, height, impedance, and AEC-Q200 ratings. Higher voltage ratings provide increased circuit margin without any physical or electrical incompatibility.

Cross-Manufacturer Alternatives: Panasonic EEE-FK series parts (EEE-FK1E330P, EEE-FK1E330AP, EEE-FK1V330P, EEE-FK1V330AP) offer equivalent performance with AEC-Q200 automotive qualification and 2000-hour lifetime ratings. These parts are suitable for supply chain diversification while maintaining identical electrical and physical characteristics.

Lower Impedance Option: UCL1E330MCL1GS and EEE-FP1E330AP both feature reduced impedance (260 mOhms) compared to the original part (360 mOhms). These parts are 0.012" shorter in height but maintain identical capacitance, voltage, and lifetime specifications. Height reduction may require PCB layout verification.

Avoid: UWF1C330MCL1GB is obsolete and features significantly higher impedance (1.3 Ohms) and reduced lifetime (1000 Hrs @ 105°C). This part is not suitable for new designs or long-term reliability requirements.

Frequently Asked Questions (FAQ)

Q: Can I use a higher voltage rated capacitor as a direct replacement?

A: Yes. UCD1E330MCL1GS (25 V) and UCD1V330MCL1GS (35 V) are direct replacements for the 16 V UCD1C330MCL1GS. Higher voltage ratings provide additional safety margin and are electrically and physically compatible. No circuit modifications are required.

Q: What is the difference between Nichicon UCD and UUD series?

A: Both series share identical capacitance (33 µF), voltage (16 V), tolerance (±20%), case size (6.30mm), height (6.10mm), and lifetime (2000 Hrs @ 105°C). The primary difference is impedance: UCD series has 360 mOhms while UUD series has 440 mOhms. Both are AEC-Q200 qualified for automotive applications.

Q: Are Panasonic EEE-FK parts compatible with Nichicon UCD parts?

A: Yes. Panasonic EEE-FK1E330P and EEE-FK1E330AP (25 V) and EEE-FK1V330P and EEE-FK1V330AP (35 V) are electrically and physically compatible with the UCD1C330MCL1GS. All parts share identical case size, height, impedance, and AEC-Q200 automotive qualification. These parts support supply chain flexibility from a different manufacturer.

Q: What does the "AP" suffix mean in Panasonic part numbers?

A: The "AP" suffix indicates a specific packaging or performance variant within the Panasonic FK series. Both EEE-FK1E330AP and EEE-FK1E330P are functionally equivalent with identical electrical specifications and physical dimensions. Consult Panasonic datasheets for specific packaging differences.

Q: Can I use UCL1E330MCL1GS as a replacement?

A: UCL1E330MCL1GS is electrically compatible (33 µF, 25 V, ±20%, 2000 Hrs @ 105°C) but is 0.012" shorter in height (5.80mm vs. 6.10mm). This height reduction requires PCB layout verification to ensure clearance and mechanical stability. The lower impedance (260 mOhms) may improve ripple current performance.

Q: Why is UWF1C330MCL1GB listed if it is obsolete?

A: UWF1C330MCL1GB is provided for reference only. This part is obsolete and features reduced lifetime (1000 Hrs @ 105°C) and significantly higher impedance (1.3 Ohms). It is not recommended for new designs or applications requiring long-term reliability.

Q: What is the significance of AEC-Q200 rating?

A: AEC-Q200 is an automotive qualification standard for passive components. Both the original UCD1C330MCL1GS and all recommended Nichicon UCD/UUD series and Panasonic EEE-FK series substitutes carry AEC-Q200 certification, ensuring compliance with automotive reliability and performance requirements.

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

A: Yes. Nichicon and Panasonic parts with identical electrical specifications (33 µF, voltage rating, tolerance, lifetime) and physical dimensions are interchangeable. However, maintain consistent sourcing within a single design revision to simplify qualification and supply chain management.

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