UWD1H151MCL1GS Equivalent & Substitute Parts

Part Overview

The UWD1H151MCL1GS is a 150 µF, 50 V aluminum electrolytic capacitor manufactured by Nichicon in surface mount radial can package. This component is rated for 5000 hours at 105°C and is designed for general purpose applications. The part is active and in production. Equivalent and substitute parts are identified when component availability is limited, supply chain disruptions occur, or design flexibility permits selection from qualified alternatives meeting the same electrical and mechanical specifications.

Key Parameters

Parameter	Value
Capacitance	150 µF
Voltage Rating	50 V
Tolerance	±20%
Lifetime @ 105°C	5000 Hrs
Operating Temperature Range	-55°C to 105°C
Polarization	Polar
Package Type	Radial, Can - SMD
Mounting Type	Surface Mount
Size / Dimension	0.394" Dia (10.00mm)
Height - Seated (Max)	0.394" (10.00mm)
Surface Mount Land Size	0.406" L x 0.406" W (10.30mm x 10.30mm)
Impedance	180 mOhms
Ripple Current @ 120 Hz	335 mA
Ripple Current @ 100 kHz	670 mA
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the UWD1H151MCL1GS is determined by strict equivalence in the following electrical and mechanical parameters:

Critical Parameters (Must Match):

Capacitance: 150 µF
Voltage Rating: 50 V
Tolerance: ±20%
Polarization: Polar
Package Type: Radial, Can - SMD
Mounting Type: Surface Mount
Physical Dimensions: 0.394" Dia (10.00mm) with compatible height
Surface Mount Land Size: 0.406" L x 0.406" W (10.30mm x 10.30mm)

Allowable Variations:

Lifetime @ 105°C: Equal or greater than 5000 hours
Ripple Current: Equal or greater than specified values
Impedance: Equal or lower than 180 mOhms
Manufacturer: Different manufacturers permitted if all electrical and mechanical parameters are met
Packaging Format: Tape & Reel or Cut Tape acceptable
Certifications: AEC-Q200 automotive rating acceptable for general purpose applications

The following parts meet these substitution criteria:

Upgrade Substitute: UUD1H151MNL1GS (Nichicon UUD series) — Same electrical specifications with automotive AEC-Q200 rating and equivalent performance.

Similar Substitute: UCD1H151MNL1GS (Nichicon UCD series) — Automotive-grade equivalent with improved ripple current performance and lower impedance.

Direct Substitute: EEE-FK1H151P (Panasonic FK series) — Cross-manufacturer equivalent with automotive AEC-Q200 rating; reduced lifetime (2000 hrs @ 105°C) requires application review.

Similar Substitute: AFK157M50G24T-F (Cornell Dubilier AFK series) — Automotive-grade equivalent with specified ESR and compatible land size variation (0.473" W).

Parametric Equivalent: AEA1010151M050R (KYOCERA AVX AEA series) — Equivalent electrical performance with 5000-hour lifetime; reduced ripple current at 120 Hz (268 mA) requires application verification.

Parameter Comparison

Parameter	UWD1H151MCL1GS	UUD1H151MNL1GS	UCD1H151MNL1GS	EEE-FK1H151P	AFK157M50G24T-F	AEA1010151M050R
Manufacturer	Nichicon	Nichicon	Nichicon	Panasonic	Cornell Dubilier	KYOCERA AVX
Series	UWD	UUD	UCD	FK	AFK	AEA
Capacitance	150 µF	150 µF	150 µF	150 µF	150 µF	150 µF
Voltage Rating	50 V	50 V	50 V	50 V	50 V	50 V
Tolerance	±20%	±20%	±20%	±20%	±20%	±20%
Lifetime @ 105°C	5000 Hrs	5000 Hrs	5000 Hrs	2000 Hrs	2000 Hrs	5000 Hrs
Operating Temperature	-55°C ~ 105°C	-55°C ~ 105°C	-55°C ~ 105°C	-55°C ~ 105°C	-55°C ~ 105°C	-55°C ~ 105°C
Polarization	Polar	Polar	Polar	Polar	Polar	Polar
Package Type	Radial, Can - SMD	Radial, Can - SMD	Radial, Can - SMD	Radial, Can - SMD	Radial, Can - SMD	Radial, Can - SMD
Size / Dimension	0.394" Dia (10.00mm)	0.394" Dia (10.00mm)	0.394" Dia (10.00mm)	0.394" Dia (10.00mm)	0.394" Dia (10.00mm)	0.394" Dia (10.00mm)
Height - Seated (Max)	0.394" (10.00mm)	0.413" (10.50mm)	0.413" (10.50mm)	0.413" (10.50mm)	0.413" (10.50mm)	0.394" (10.00mm)
Surface Mount Land Size	0.406" L x 0.406" W (10.30mm x 10.30mm)	0.406" L x 0.406" W (10.30mm x 10.30mm)	0.406" L x 0.406" W (10.30mm x 10.30mm)	0.406" L x 0.406" W (10.30mm x 10.30mm)	0.406" L x 0.473" W (10.30mm x 12.00mm)	0.406" L x 0.406" W (10.30mm x 10.30mm)
Impedance	180 mOhms	180 mOhms	160 mOhms	180 mOhms	180 mOhms	180 mOhms
Ripple Current @ 120 Hz	335 mA	335 mA	350 mA	502.5 mA	502.5 mA	268 mA
Ripple Current @ 100 kHz	670 mA	670 mA	700 mA	670 mA	670 mA	670 mA
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	Not Applicable	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Ratings	General Purpose	AEC-Q200	AEC-Q200	AEC-Q200	AEC-Q200	General Purpose
Product Status	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

UUD1H151MNL1GS (Nichicon UUD Series): Recommended as primary upgrade substitute. Maintains identical electrical specifications and 5000-hour lifetime. Adds AEC-Q200 automotive qualification without performance trade-offs. Height increase to 0.413" (10.50mm) requires PCB layout verification for clearance.

UCD1H151MNL1GS (Nichicon UCD Series): Suitable for applications requiring improved performance margins. Delivers higher ripple current capability (350 mA @ 120 Hz, 700 mA @ 100 kHz) and lower impedance (160 mOhms). AEC-Q200 rated. Height and land size identical to UUD1H151MNL1GS. Moisture sensitivity level listed as Not Applicable; confirm with manufacturer for specific application requirements.

EEE-FK1H151P (Panasonic FK Series): Cross-manufacturer equivalent with AEC-Q200 automotive rating. Lifetime reduced to 2000 hours at 105°C. Suitable only for applications where reduced thermal endurance is acceptable. Higher ripple current capability (502.5 mA @ 120 Hz) provides performance margin in ripple-limited circuits. Highest inventory availability (12,081 pcs).

AFK157M50G24T-F (Cornell Dubilier AFK Series): Automotive-grade equivalent with specified ESR (180 mOhm @ 100 kHz). Lifetime reduced to 2000 hours at 105°C. Surface mount land size width increased to 0.473" (12.00mm); PCB layout modification required. Higher ripple current capability (502.5 mA @ 120 Hz) suitable for demanding ripple applications.

AEA1010151M050R (KYOCERA AVX AEA Series): Parametric equivalent with 5000-hour lifetime matching original part. Ripple current at 120 Hz reduced to 268 mA; verify application does not exceed this specification. Maintains original height (0.394" / 10.00mm) and land size. General purpose rating without automotive certification.

Frequently Asked Questions (FAQ)

Q: Can I use EEE-FK1H151P or AFK157M50G24T-F as direct replacements if the original part is unavailable?

A: Both parts meet the core electrical specifications (150 µF, 50 V, ±20% tolerance). However, both have reduced lifetime ratings (2000 hours @ 105°C versus 5000 hours). Use only if your application does not require the full 5000-hour thermal endurance. AFK157M50G24T-F requires PCB layout modification due to increased land size width (0.473" versus 0.406").

Q: What is the significance of the height difference between UWD1H151MCL1GS (0.394") and UUD1H151MNL1GS (0.413")?

A: The 0.019" (0.50mm) height increase requires verification of available PCB clearance above the component. Confirm no interference with adjacent components, solder mask, or conformal coating processes. If clearance is insufficient, use AEA1010151M050R or the original UWD1H151MCL1GS, both at 0.394" height.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitutes are ROHS3 compliant. UCD1H151MNL1GS lists Moisture Sensitivity Level as Not Applicable; contact the manufacturer for clarification on handling and storage requirements if this part is selected.

Q: Which substitute offers the best performance improvement?

A: UCD1H151MNL1GS provides the lowest impedance (160 mOhms versus 180 mOhms) and highest ripple current capability (350 mA @ 120 Hz, 700 mA @ 100 kHz). Select this part if your circuit benefits from reduced ESR or higher ripple current handling. Maintain 5000-hour lifetime rating.

Q: Can I use AEA1010151M050R as a direct replacement?

A: AEA1010151M050R is electrically equivalent with matching 5000-hour lifetime and identical physical dimensions. However, ripple current at 120 Hz is reduced to 268 mA (versus 335 mA). Use only if your application operates primarily at higher frequencies or does not approach the 335 mA ripple current limit.

Q: What packaging formats are available for these substitutes?

A: UWD1H151MCL1GS is supplied in Tape & Reel (TR). UUD1H151MNL1GS, UCD1H151MNL1GS, and AFK157M50G24T-F are supplied in Tape & Reel. EEE-FK1H151P is supplied in Cut Tape (CT) & Digi-Reel®. Confirm packaging compatibility with your assembly process.

Q: Are automotive-rated parts (AEC-Q200) suitable for non-automotive applications?

A: Yes. AEC-Q200 certification indicates enhanced qualification and reliability testing. Automotive-rated parts are suitable for general purpose applications and provide additional assurance of quality and performance consistency.

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