UUT0J101MCL1GS Equivalent & Substitute Parts

Part Overview

The UUT0J101MCL1GS is a 100 µF, 6.3 V aluminum electrolytic capacitor in SMD radial can package manufactured by Nichicon. This part operates across -55°C to 105°C with a rated lifetime of 2000 hours at 105°C and is classified as obsolete. Due to its obsolete status, equivalent and substitute parts from active product lines are necessary for ongoing design support and procurement continuity.

Key Parameters

Parameter	Value
Capacitance	100 µF
Voltage Rating	6.3 V
Tolerance	±20%
Lifetime @ 105°C	2000 Hrs
Operating Temperature Range	-55°C ~ 105°C
Package Type	Radial, Can - SMD
Physical Dimensions	0.248" Dia (6.30mm) × 0.240" H (6.10mm)
Land Size	0.260" L × 0.260" W (6.60mm × 6.60mm)
Polarization	Polar
RoHS Status	ROHS3 Compliant
MSL Rating	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the UUT0J101MCL1GS is determined by the following critical parameters:

Primary Matching Criteria:

Capacitance: 100 µF (exact match required)
Tolerance: ±20% (exact match required)
Voltage Rating: 6.3 V minimum (equal or higher voltage acceptable)
Package Type: Radial, Can - SMD (exact match required)
Physical Dimensions: 0.248" Dia (6.30mm) with compatible height
Land Size: 0.260" L × 0.260" W (6.60mm × 6.60mm) (exact match required)
Polarization: Polar (exact match required)
Operating Temperature: -55°C ~ 105°C (exact match required)
RoHS Compliance: ROHS3 Compliant (exact match required)

Secondary Considerations:

Lifetime rating at 105°C (2000 hours or greater acceptable)
Ripple current capability (equal or greater acceptable)
Product status (active preferred for long-term availability)

Substitutes are grouped into two categories: direct equivalents (same voltage rating) and upgrades (higher voltage rating with same physical footprint).

Parameter Comparison

Part Number	Manufacturer	Series	Capacitance	Voltage	Tolerance	Lifetime @ 105°C	Height (Max)	Product Status	Ripple Current @ 10 kHz
UUT0J101MCL1GS	Nichicon	UUT	100 µF	6.3 V	±20%	2000 Hrs	0.240" (6.10mm)	Obsolete	90 mA
UCL0J101MCL1GS	Nichicon	UCL	100 µF	6.3 V	±20%	2000 Hrs	0.228" (5.80mm)	Active	300 mA
UUA0J101MCL1GS	Nichicon	UUA	100 µF	6.3 V	±20%	3000 Hrs	0.228" (5.80mm)	Active	104.6 mA
UWT0J101MCL1GB	Nichicon	UWT	100 µF	6.3 V	±20%	1000 Hrs	0.213" (5.40mm)	Active	90 mA
UWZ0J101MCL1GS	Nichicon	UWZ	100 µF	6.3 V	±20%	1000 Hrs	0.213" (5.40mm)	Active	90 mA
UCD0J101MCL1GS	Nichicon	UCD	100 µF	6.3 V	±20%	2000 Hrs	0.240" (6.10mm)	Active	240 mA
UCD1A101MCL1GS	Nichicon	UCD	100 µF	10 V	±20%	2000 Hrs	0.240" (6.10mm)	Active	240 mA
UCD1C101MCL1GS	Nichicon	UCD	100 µF	16 V	±20%	2000 Hrs	0.240" (6.10mm)	Active	240 mA
UCL1A101MCL1GS	Nichicon	UCL	100 µF	10 V	±20%	2000 Hrs	0.240" (6.10mm)	Active	300 mA
UCL1C101MCL1GS	Nichicon	UCL	100 µF	16 V	±20%	2000 Hrs	0.228" (5.80mm)	Active	300 mA
UCM1V101MCL1GS	Nichicon	UCM	100 µF	35 V	±20%	2000 Hrs	0.240" (6.10mm)	Active	300 mA

Engineering Selection Recommendations

Direct Equivalents (6.3 V Rating):

UCL0J101MCL1GS and UUA0J101MCL1GS are direct functional equivalents with identical voltage and capacitance ratings. Both are active products with ROHS3 compliance and MSL 1 rating. UUA0J101MCL1GS offers extended lifetime (3000 hours vs. 2000 hours at 105°C) and is recommended for applications requiring enhanced reliability. UCL0J101MCL1GS provides superior ripple current handling (300 mA @ 10 kHz vs. 90 mA). Both have reduced height (0.228" vs. 0.240"), which may require PCB layout verification.

UWT0J101MCL1GB and UWZ0J101MCL1GS are active alternatives with identical electrical specifications but reduced lifetime (1000 hours at 105°C). UWZ0J101MCL1GS is specified for high-temperature reflow applications. Both have minimum height (0.213"), suitable for space-constrained designs.

UCD0J101MCL1GS is an active equivalent with AEC-Q200 automotive qualification and enhanced ripple current capability (240 mA @ 100 kHz). This part is suitable for automotive applications requiring compliance certification.

Voltage Upgrades (Higher Voltage Rating):

UCD1A101MCL1GS (10 V), UCL1A101MCL1GS (10 V), UCD1C101MCL1GS (16 V), UCL1C101MCL1GS (16 V), and UCM1V101MCL1GS (35 V) maintain identical physical footprint and capacitance while providing higher voltage ratings. These are suitable for applications where circuit voltage may exceed 6.3 V or where design margin is required. All are active products with ROHS3 compliance. UCD series parts carry AEC-Q200 automotive qualification.

Frequently Asked Questions (FAQ)

Q: Can I use a higher voltage-rated capacitor as a substitute?

A: Yes. A capacitor with higher voltage rating (10 V, 16 V, or 35 V) is electrically compatible with a 6.3 V circuit. The physical dimensions and land size remain identical, ensuring PCB compatibility. Higher voltage ratings provide additional design margin and are acceptable substitutes.

Q: What is the difference between direct equivalents and upgrades?

A: Direct equivalents maintain the same 6.3 V voltage rating as the original UUT0J101MCL1GS. Upgrades provide higher voltage ratings (10 V, 16 V, or 35 V) while maintaining all other electrical and physical parameters. Both categories are mechanically and electrically compatible.

Q: Does height variation affect PCB compatibility?

A: Physical height varies among substitutes (0.213" to 0.240"). Verify PCB clearance and component placement constraints. Shorter variants (0.213" height) may be preferred for space-constrained applications. Taller variants (0.240" height) match the original part height exactly.

Q: What is the significance of product status (Active vs. Obsolete)?

A: Active products ensure long-term availability and supply chain continuity. The original UUT0J101MCL1GS is obsolete, making active substitutes necessary for new designs and ongoing production. All recommended substitutes are active products.

Q: Are there packaging differences among substitutes?

A: Yes. The original part is supplied in Tape & Reel (TR) packaging. Substitutes are available in Tape & Reel (TR) or Cut Tape (CT) & Digi-Reel® formats. Verify packaging requirements with procurement specifications.

Q: What does AEC-Q200 qualification mean?

A: AEC-Q200 is an automotive industry qualification standard. UCD series parts (UCD0J101MCL1GS, UCD1A101MCL1GS, UCD1C101MCL1GS, UCM1V101MCL1GS) carry this certification, making them suitable for automotive applications requiring compliance documentation.

Q: How do ripple current ratings affect component selection?

A: Ripple current capability determines the maximum AC current the capacitor can handle without exceeding temperature limits. Higher ripple current ratings (UCL series at 300 mA @ 10 kHz, UCD series at 240 mA @ 100 kHz) provide greater margin in high-frequency switching applications. The original UUT0J101MCL1GS is rated at 90 mA @ 10 kHz.

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