Equivalent & Substitute Parts for UCD0J101MCL1GS

Part Overview

The Nichicon UCD0J101MCL1GS is a 100 µF, 6.3 V aluminum electrolytic capacitor in surface mount radial can package, rated for 2000 hours at 105°C with AEC-Q200 automotive qualification. The part is currently active in production. Substitute and upgrade parts are identified based on matching capacitance, tolerance, physical dimensions, mounting type, and compliance certifications while accommodating variations in voltage rating, lifetime rating, and ripple current specifications.

Key Parameters

Parameter	Value
Capacitance	100 µF
Tolerance	±20%
Voltage - Rated	6.3 V
Lifetime @ Temperature	2000 Hrs @ 105°C
Operating Temperature Range	-55°C ~ 105°C
Size / Dimension	0.248" Dia (6.30mm)
Height - Seated (Max)	0.240" (6.10mm)
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
Polarization	Polar

Substitute Part Grouping Explanation

Substitution eligibility is determined by the following criteria:

Primary Matching Parameters (Required for Direct Substitution):

Capacitance: 100 µF
Tolerance: ±20%
Mounting Type: Surface Mount
Package / Case: Radial, Can - SMD
Physical dimensions: 0.248" Dia (6.30mm), Height 0.240" (6.10mm), Land Size 0.260" L x 0.260" W (6.60mm x 6.60mm)

Secondary Variation Parameters (Allowed for Substitution):

Voltage Rating: 6.3 V (direct), 10 V (upgrade), 16 V (upgrade)
Lifetime @ Temperature: 2000 Hrs @ 105°C (direct), 3000 Hrs @ 105°C (upgrade)
Ripple Current specifications: Varies by series
Impedance: Varies by series
Manufacturer Series: UCD, UUD, UUT, UUA, UCL
Product Status: Active or Obsolete (with inventory availability noted)
Compliance: AEC-Q200 (automotive), RoHS3, REACH status

Excluded from Substitution:

Different physical dimensions (5.00mm diameter variants excluded from direct substitution)
Different land sizes (5.30mm x 5.30mm variants excluded from direct substitution)

Parameter Comparison

Part Number	Manufacturer	Series	Capacitance	Voltage	Tolerance	Lifetime @ 105°C	Size Dia	Height	Land Size	Product Status	AEC-Q200	Ripple Current @ 120 Hz	Ripple Current @ 100 kHz
UCD0J101MCL1GS	Nichicon	UCD	100 µF	6.3 V	±20%	2000 Hrs	0.248" (6.30mm)	0.240" (6.10mm)	0.260" x 0.260" (6.60mm x 6.60mm)	Active	Yes	120 mA	240 mA
UUT0J101MCL1GS	Nichicon	UUT	100 µF	6.3 V	±20%	2000 Hrs	0.248" (6.30mm)	0.240" (6.10mm)	0.260" x 0.260" (6.60mm x 6.60mm)	Obsolete	No	60 mA	90 mA
UCD1A101MCL1GS	Nichicon	UCD	100 µF	10 V	±20%	2000 Hrs	0.248" (6.30mm)	0.240" (6.10mm)	0.260" x 0.260" (6.60mm x 6.60mm)	Active	Yes	120 mA	240 mA
UCD1C101MCL1GS	Nichicon	UCD	100 µF	16 V	±20%	2000 Hrs	0.248" (6.30mm)	0.240" (6.10mm)	0.260" x 0.260" (6.60mm x 6.60mm)	Active	Yes	120 mA	240 mA
UUA0J101MCL1GS	Nichicon	UUA	100 µF	6.3 V	±20%	3000 Hrs	0.248" (6.30mm)	0.228" (5.80mm)	0.260" x 0.260" (6.60mm x 6.60mm)	Active	No	69 mA	104.6 mA
UUD1A101MCL1GS	Nichicon	UUD	100 µF	10 V	±20%	2000 Hrs	0.248" (6.30mm)	0.240" (6.10mm)	0.260" x 0.260" (6.60mm x 6.60mm)	Active	Yes	115 mA	230 mA
UUD1C101MCL1GS	Nichicon	UUD	100 µF	16 V	±20%	2000 Hrs	0.248" (6.30mm)	0.240" (6.10mm)	0.260" x 0.260" (6.60mm x 6.60mm)	Active	Yes	115 mA	230 mA
UUT1A101MCL1GS	Nichicon	UUT	100 µF	10 V	±20%	2000 Hrs	0.248" (6.30mm)	0.240" (6.10mm)	0.260" x 0.260" (6.60mm x 6.60mm)	Obsolete	No	60 mA	90 mA
UCL0J101MCL1GS	Nichicon	UCL	100 µF	6.3 V	±20%	2000 Hrs	0.248" (6.30mm)	0.228" (5.80mm)	0.260" x 0.260" (6.60mm x 6.60mm)	Active	No	150 mA	300 mA

Engineering Selection Recommendations

Direct Substitutes (Same Voltage Rating, Same Lifetime):

UUT0J101MCL1GS is a direct electrical substitute with identical capacitance, voltage, tolerance, and physical dimensions. However, this part is obsolete and carries lower ripple current ratings (60 mA @ 120 Hz vs. 120 mA). Selection is limited by product status and availability.

Voltage Upgrade Substitutes (Higher Voltage Rating, Same Lifetime):

UCD1A101MCL1GS (10 V) and UCD1C101MCL1GS (16 V) are upgrades within the same UCD series. Both maintain AEC-Q200 automotive qualification, identical physical dimensions, and equivalent ripple current performance. These are suitable for applications where higher voltage margin is required.

UUD1A101MCL1GS (10 V) and UUD1C101MCL1GS (16 V) are upgrades in the UUD series with AEC-Q200 qualification and identical physical dimensions. Ripple current is slightly lower (115 mA @ 120 Hz vs. 120 mA). Both are active products with high inventory availability.

Lifetime Upgrade Substitute (Same Voltage, Extended Lifetime):

UUA0J101MCL1GS offers extended lifetime (3000 Hrs @ 105°C vs. 2000 Hrs) at the same 6.3 V rating. Physical dimensions are identical except for height (0.228" vs. 0.240"), which may affect PCB layout. This part lacks AEC-Q200 certification and is rated for general purpose applications.

Similar Dimension Variants (Different Physical Footprint):

UCL0J101MCL1GS and UCL0J101MCL6GS have identical land sizes but different can diameters (5.00mm vs. 6.30mm) and are excluded from direct substitution due to physical incompatibility with the original footprint.

Compliance Considerations:

For automotive applications requiring AEC-Q200 certification, select from UCD series (UCD1A101MCL1GS, UCD1C101MCL1GS) or UUD series (UUD1A101MCL1GS, UUD1C101MCL1GS). Parts without AEC-Q200 rating (UUT, UUA, UCL series) are suitable only for general purpose applications.

Frequently Asked Questions (FAQ)

Q: Can UUT0J101MCL1GS replace UCD0J101MCL1GS in automotive applications?

A: UUT0J101MCL1GS matches the electrical specifications (100 µF, 6.3 V, ±20%, 2000 Hrs @ 105°C) and physical dimensions. However, this part is obsolete and lacks AEC-Q200 automotive certification. It is not recommended for automotive applications. For automotive use, select UCD1A101MCL1GS or UCD1C101MCL1GS.

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

A: Both series maintain identical physical dimensions and AEC-Q200 certification. The UUD series has slightly lower ripple current ratings (115 mA @ 120 Hz vs. 120 mA) and higher impedance (440 mOhms vs. 360 mOhms). UUD series offers higher inventory availability. Selection depends on ripple current requirements and supply chain availability.

Q: Can I use a 10 V or 16 V rated capacitor in place of the 6.3 V part?

A: Yes. Higher voltage ratings provide increased voltage margin and are electrically compatible in circuits operating at 6.3 V or below. UCD1A101MCL1GS (10 V) and UCD1C101MCL1GS (16 V) maintain identical physical dimensions, ripple current, and AEC-Q200 certification. This substitution is suitable for applications requiring improved reliability or voltage headroom.

Q: Does UUA0J101MCL1GS offer any advantage over the original part?

A: UUA0J101MCL1GS provides extended lifetime (3000 Hrs @ 105°C vs. 2000 Hrs) at the same 6.3 V rating and identical land size. However, the seated height is 0.228" instead of 0.240", which may require PCB layout verification. This part lacks AEC-Q200 certification and is rated for general purpose applications only.

Q: Are there any packaging differences between these substitutes?

A: Most substitutes are supplied in Tape & Reel (TR) packaging. UCD1C101MCL1GS and UUD1C101MCL1GS are supplied in Cut Tape (CT) & Digi-Reel® packaging. UUT1A101MCL1GS is also supplied in Cut Tape (CT) & Digi-Reel® packaging. Verify packaging compatibility with assembly equipment before selection.

Q: Which substitute offers the best availability?

A: UUD1A101MCL1GS has the highest inventory (84,788 pcs) among all substitutes. UUD1C101MCL1GS (9,773 pcs) and UCD1A101MCL1GS (6,419 pcs) also offer strong availability. For immediate supply requirements, these three parts are recommended.

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