Equivalent & Substitute Parts for UCD1C221MCL1GS

Part Overview

The UCD1C221MCL1GS is a 220 µF, 16 V aluminum electrolytic capacitor in surface mount radial can package manufactured by Nichicon. This component is part of the UCD series and is rated for automotive applications with AEC-Q200 compliance. The part is active and in production with 1024 units currently in stock. Equivalent and substitute parts are necessary to address supply chain continuity, packaging preferences, voltage rating upgrades, and alternative manufacturer sourcing while maintaining electrical and mechanical compatibility within specified parameters.

Key Parameters

Parameter	Value
Capacitance	220 µF
Voltage Rating	16 V
Tolerance	±20%
Lifetime @ Temperature	2000 Hrs @ 105°C
Operating Temperature Range	-55°C ~ 105°C
Polarization	Polar
Mounting Type	Surface Mount
Package Type	Radial, Can - SMD
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution of the UCD1C221MCL1GS is determined by strict adherence to the following electrical and mechanical parameters:

Electrical Parameters (Must Match):

Capacitance: 220 µF
Voltage Rating: 16 V (or higher for upgrade substitutes)
Tolerance: ±20%
Lifetime: 2000 Hrs @ 105°C
Operating Temperature: -55°C ~ 105°C
Polarization: Polar

Mechanical Parameters (Must Match):

Mounting Type: Surface Mount
Package Type: Radial, Can - SMD
Surface Mount Land Size: 0.260" L x 0.260" W (6.60mm x 6.60mm)

Acceptable Variations:

Physical dimensions (diameter and height) may vary within the same land size footprint
Ripple current ratings may differ
Impedance values may differ
Series designation may differ
Manufacturer may differ
Packaging format (Tape & Reel vs. Cut Tape) may differ

Substitutes are categorized as:

Direct Substitutes: Identical electrical specifications, same land size, different series or manufacturer
Upgrade Substitutes: Higher voltage rating (25 V vs. 16 V) with same capacitance and land size
Similar Substitutes: Same electrical specifications but different physical dimensions or land sizes
Parametric Equivalents: Matching electrical specifications with minor variations in ripple current or impedance

Parameter Comparison

Part Number	Manufacturer	Series	Capacitance	Voltage	Tolerance	Lifetime @ 105°C	Operating Temp	Polarization	Mounting	Land Size	Packaging	Status
UCD1C221MCL1GS	Nichicon	UCD	220 µF	16 V	±20%	2000 Hrs	-55°C ~ 105°C	Polar	Surface Mount	6.60 x 6.60 mm	Tape & Reel	Active
UCM1C221MCL1GS	Nichicon	UCM	220 µF	16 V	±20%	2000 Hrs	-55°C ~ 105°C	Polar	Surface Mount	6.60 x 6.60 mm	Tape & Reel	Active
UWD1C221MCL1GS	Nichicon	UWD	220 µF	16 V	±20%	2000 Hrs	-55°C ~ 105°C	Polar	Surface Mount	6.60 x 6.60 mm	Tape & Reel	Active
UCM1E221MCL1GS	Nichicon	UCM	220 µF	25 V	±20%	2000 Hrs	-55°C ~ 105°C	Polar	Surface Mount	6.60 x 6.60 mm	Cut Tape & Digi-Reel	Active
UCD1C221MCL6GS	Nichicon	UCD	220 µF	16 V	±20%	2000 Hrs	-55°C ~ 105°C	Polar	Surface Mount	8.30 x 8.30 mm	Tape & Reel	Active
UCL1C221MCL1GS	Nichicon	UCL	220 µF	16 V	±20%	2000 Hrs	-55°C ~ 105°C	Polar	Surface Mount	6.60 x 6.60 mm	Tape & Reel	Active
UCL1C221MCL6GS	Nichicon	UCL	220 µF	16 V	±20%	2000 Hrs	-55°C ~ 105°C	Polar	Surface Mount	8.30 x 8.30 mm	Tape & Reel	Active
UUD1C221MCL1GS	Nichicon	UUD	220 µF	16 V	±20%	2000 Hrs	-55°C ~ 105°C	Polar	Surface Mount	6.60 x 6.60 mm	Cut Tape & Digi-Reel	Active
227AXZ016M	Cornell Dubilier / Illinois Capacitor	AXZ	220 µF	16 V	±20%	2000 Hrs	-55°C ~ 105°C	Polar	Surface Mount	6.60 x 6.60 mm	Tape & Reel	Active
865060345007	Würth Elektronik	WCAP-ASLL	220 µF	16 V	±20%	2000 Hrs	-55°C ~ 105°C	Polar	Surface Mount	6.60 x 6.60 mm	Tape & Reel	Active
865080345012	Würth Elektronik	WCAP-ASLI	220 µF	16 V	±20%	2000 Hrs	-55°C ~ 105°C	Polar	Surface Mount	6.60 x 6.60 mm	Tape & Reel	Active

Engineering Selection Recommendations

Direct Substitutes (Same Land Size 6.60 x 6.60 mm):

UCM1C221MCL1GS, UWD1C221MCL1GS, UCL1C221MCL1GS, UUD1C221MCL1GS, 227AXZ016M, 865060345007, and 865080345012 are direct electrical and mechanical substitutes for the UCD1C221MCL1GS. All maintain 220 µF capacitance, 16 V rating, ±20% tolerance, 2000 Hrs @ 105°C lifetime, and identical land size footprint. These parts are suitable for direct PCB replacement without layout modification.

Automotive-Rated Substitutes:

UCM1C221MCL1GS and UUD1C221MCL1GS carry AEC-Q200 automotive qualification matching the original part. These are preferred for automotive applications requiring compliance certification.

Upgrade Substitute (Higher Voltage Rating):

UCM1E221MCL1GS provides a 25 V rating with identical 220 µF capacitance and 6.60 x 6.60 mm land size. This upgrade is suitable for applications requiring higher voltage margin or operating in elevated voltage environments while maintaining backward compatibility with the PCB footprint.

Alternative Land Size Substitutes:

UCD1C221MCL6GS and UCL1C221MCL6GS feature 8.30 x 8.30 mm land sizes. These require PCB layout modification and are suitable only when board space permits larger footprints.

Packaging Format Alternatives:

UCM1E221MCL1GS and UUD1C221MCL1GS are available in Cut Tape & Digi-Reel format instead of standard Tape & Reel, accommodating different procurement and assembly workflows.

Multi-Manufacturer Sourcing:

Cornell Dubilier (227AXZ016M) and Würth Elektronik (865060345007, 865080345012) provide equivalent specifications from alternative manufacturers, enabling supply chain diversification and cost optimization.

Frequently Asked Questions (FAQ)

Q: Can UCM1C221MCL1GS replace UCD1C221MCL1GS directly on the PCB?

A: Yes. Both parts share identical electrical specifications (220 µF, 16 V, ±20%, 2000 Hrs @ 105°C) and the same 6.60 x 6.60 mm land size. Direct PCB replacement is possible without layout modification.

Q: What is the difference between UCD1C221MCL1GS and UCD1C221MCL6GS?

A: The primary difference is physical dimension and land size. UCD1C221MCL1GS uses a 6.60 x 6.60 mm land size, while UCD1C221MCL6GS uses an 8.30 x 8.30 mm land size. Electrical specifications are identical. PCB layout modification is required to use the larger footprint variant.

Q: Is UCM1E221MCL1GS (25 V) compatible with a circuit designed for UCD1C221MCL1GS (16 V)?

A: Yes. The 25 V rated UCM1E221MCL1GS is electrically compatible with circuits designed for 16 V operation. Higher voltage rating provides additional safety margin. The 6.60 x 6.60 mm land size is identical, enabling direct PCB substitution.

Q: Which substitute parts carry automotive certification?

A: UCM1C221MCL1GS and UUD1C221MCL1GS both carry AEC-Q200 automotive qualification, matching the original UCD1C221MCL1GS certification level.

Q: Can I use 227AXZ016M (Cornell Dubilier) as a substitute?

A: Yes. The 227AXZ016M meets all electrical parameters (220 µF, 16 V, ±20%, 2000 Hrs @ 105°C) and shares the 6.60 x 6.60 mm land size. It is suitable for direct PCB replacement from an alternative manufacturer.

Q: What is the difference between Tape & Reel and Cut Tape & Digi-Reel packaging?

A: Both packaging formats contain identical components. Tape & Reel is standard continuous reel packaging. Cut Tape & Digi-Reel provides pre-cut tape segments with reel options, accommodating different assembly line equipment and procurement preferences.

Q: Are Würth Elektronik parts (865060345007, 865080345012) equivalent to Nichicon UCD1C221MCL1GS?

A: Yes. Both Würth Elektronik parts meet identical electrical specifications and land size requirements. They are suitable for direct PCB substitution from an alternative manufacturer source.

Q: What parameters must remain constant for a valid substitute?

A: Capacitance (220 µF), voltage rating (16 V minimum), tolerance (±20%), lifetime (2000 Hrs @ 105°C), operating temperature range (-55°C ~ 105°C), polarization (Polar), mounting type (Surface Mount), and land size (6.60 x 6.60 mm for direct substitutes) must remain constant.

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