UCD0J151MCL1GS Equivalent & Substitute Parts

Part Overview

The UCD0J151MCL1GS is a 150 µF, 6.3 V aluminum electrolytic capacitor in surface mount radial can package manufactured by Nichicon. This component is rated for automotive applications under AEC-Q200 with a 2000-hour lifetime at 105°C operating temperature. The part is currently active in production with 1,082 units in stock.

Substitute parts are necessary when the original component becomes unavailable, when design requirements change to accommodate higher voltage ratings or improved electrical characteristics, or when alternative manufacturers' components offer superior performance metrics within the same physical footprint and electrical specifications.

Key Parameters

Parameter	Value
Capacitance	150 µF
Voltage Rating	6.3 V
Tolerance	±20%
Package Type	Radial, Can - SMD
Case Size	0.248" Dia (6.30mm)
Height	0.240" (6.10mm)
Mounting	Surface Mount
Lifetime	2000 Hrs @ 105°C
Operating Temperature	-55°C ~ 105°C
Polarization	Polar
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution relationships are established based on the following electrical and mechanical compatibility criteria:

Upgrade Substitutes (Higher Voltage Rating): Parts with identical capacitance (150 µF), identical physical dimensions, and increased voltage ratings (10 V or 16 V) are direct upgrades. These maintain full backward compatibility while providing enhanced voltage margin. Included: UCD1A151MCL1GS, UUD1A151MCL1GS, EEE-FK1A151AP, EEE-FK1A151P, EEE-FP1A151AP, EEE-FT1C151AP.

Parametric Equivalent (Same Voltage, Same Capacitance): UUD0J151MCL1GS matches the original part's electrical specifications (150 µF, 6.3 V) with identical physical dimensions and automotive AEC-Q200 rating, differing only in series designation and ripple current characteristics.

Similar Substitute (Same Voltage, Obsolete Status): UWF0J151MCL1GS provides identical capacitance and voltage but is marked obsolete with reduced lifetime (1000 Hrs @ 105°C) and larger physical dimensions (0.315" Dia), making it unsuitable for new designs.

General Purpose Alternative (Same Voltage, Different Series): UCL1A151MCL1GS offers 150 µF at 10 V with identical land size but lacks automotive certification and has slightly reduced height (0.228" vs 0.240").

Parameter Comparison

Part Number	Manufacturer	Capacitance	Voltage	Case Dia	Height	Lifetime @ 105°C	Ripple Current @ 100 kHz	Impedance	AEC-Q200	Status
UCD0J151MCL1GS	Nichicon	150 µF	6.3 V	6.30mm	6.10mm	2000 Hrs	240 mA	360 mOhms	Yes	Active
UCD1A151MCL1GS	Nichicon	150 µF	10 V	6.30mm	6.10mm	2000 Hrs	240 mA	360 mOhms	Yes	Active
UUD0J151MCL1GS	Nichicon	150 µF	6.3 V	6.30mm	6.10mm	2000 Hrs	230 mA	440 mOhms	Yes	Active
UUD1A151MCL1GS	Nichicon	150 µF	10 V	6.30mm	6.10mm	2000 Hrs	230 mA	440 mOhms	Yes	Active
UCL1A151MCL1GS	Nichicon	150 µF	10 V	6.30mm	5.80mm	2000 Hrs	300 mA	260 mOhms	No	Active
UWF0J151MCL1GS	Nichicon	150 µF	6.3 V	8.00mm	6.50mm	1000 Hrs	150 mA	800 mOhms	No	Obsolete
EEE-FK1A151AP	Panasonic	150 µF	10 V	6.30mm	6.10mm	2000 Hrs	240 mA	360 mOhms	Yes	Active
EEE-FK1A151P	Panasonic	150 µF	10 V	6.30mm	6.10mm	2000 Hrs	240 mA	360 mOhms	Yes	Active
EEE-FP1A151AP	Panasonic	150 µF	10 V	6.30mm	5.80mm	2000 Hrs	300 mA	260 mOhms	Yes	Active
EEE-FT1C151AP	Panasonic	150 µF	16 V	6.30mm	6.10mm	2000 Hrs	300 mA	260 mOhms	Yes	Active

Engineering Selection Recommendations

For Direct Replacement in Automotive Applications: UCD1A151MCL1GS, UUD1A151MCL1GS, EEE-FK1A151AP, and EEE-FK1A151P are preferred substitutes. All maintain AEC-Q200 automotive certification, identical physical footprint (6.30mm diameter, 6.10mm height), 2000-hour lifetime at 105°C, and surface mount compatibility. The 10 V rating provides voltage margin over the original 6.3 V specification.

For Enhanced Ripple Current Handling: EEE-FP1A151AP and EEE-FT1C151AP offer superior ripple current capacity (300 mA @ 100 kHz) and lower impedance (260 mOhms), with AEC-Q200 certification. EEE-FP1A151AP maintains 10 V rating while EEE-FT1C151AP provides 16 V rating. Both have slightly reduced height (5.80mm).

For Parametric Equivalence: UUD0J151MCL1GS matches the original 6.3 V specification with identical dimensions and AEC-Q200 rating, suitable when voltage upgrade is not required.

Not Recommended: UWF0J151MCL1GS is obsolete with reduced lifetime (1000 Hrs), larger case size (8.00mm diameter), and lower ripple current capacity. UCL1A151MCL1GS lacks automotive AEC-Q200 certification and is designated for general purpose applications.

Frequently Asked Questions (FAQ)

Q: Can UCD1A151MCL1GS replace UCD0J151MCL1GS directly on the PCB?

A: Yes. Both parts share identical physical dimensions (6.30mm diameter, 6.10mm height), surface mount land size (6.60mm × 6.60mm), and mounting type. The 10 V rating of UCD1A151MCL1GS is backward compatible with circuits designed for 6.3 V operation.

Q: What is the difference between Nichicon UCD and UUD series at 6.3 V?

A: UCD0J151MCL1GS and UUD0J151MCL1GS both provide 150 µF at 6.3 V with identical physical dimensions and 2000-hour lifetime. UUD0J151MCL1GS has slightly higher impedance (440 mOhms vs 360 mOhms) and lower ripple current capacity (230 mA vs 240 mA @ 100 kHz).

Q: Are Panasonic FK series parts compatible with Nichicon UCD series?

A: Yes. EEE-FK1A151AP and EEE-FK1A151P are direct mechanical and electrical equivalents to UCD1A151MCL1GS at 10 V. Both maintain identical case dimensions, AEC-Q200 automotive rating, and 2000-hour lifetime at 105°C.

Q: Why would I choose EEE-FP1A151AP over EEE-FK1A151P?

A: EEE-FP1A151AP offers lower impedance (260 mOhms vs 360 mOhms) and higher ripple current capacity (300 mA vs 240 mA @ 100 kHz), beneficial for high-frequency switching applications. Height is reduced to 5.80mm, which may be advantageous in space-constrained designs.

Q: Is UWF0J151MCL1GS suitable as a substitute?

A: No. UWF0J151MCL1GS is obsolete with reduced lifetime (1000 Hrs vs 2000 Hrs @ 105°C), larger physical dimensions (8.00mm diameter vs 6.30mm), and significantly lower ripple current capacity (150 mA vs 240 mA @ 100 kHz).

Q: What certifications should I verify for automotive applications?

A: Confirm AEC-Q200 rating is present. All recommended substitutes (UCD1A151MCL1GS, UUD1A151MCL1GS, EEE-FK1A151AP, EEE-FK1A151P, EEE-FP1A151AP, EEE-FT1C151AP) carry AEC-Q200 certification. UCL1A151MCL1GS and UWF0J151MCL1GS do not.

Q: Can I use a 16 V rated capacitor in place of a 6.3 V capacitor?

A: Yes. EEE-FT1C151AP at 16 V is electrically compatible with circuits designed for 6.3 V operation. Higher voltage ratings provide increased safety margin and are standard practice in circuit design.

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