UPW1H331MPD6 Equivalent & Substitute Parts

Part Overview

The UPW1H331MPD6 is a 330 µF, 50 V aluminum electrolytic capacitor in radial configuration manufactured by Nichicon. This component belongs to the UPW series and is classified as not for new designs. The part operates across a temperature range of -55°C to 105°C with a rated lifetime of 5000 hours at 105°C, making it suitable for general-purpose applications requiring stable capacitance and ripple current handling.

Due to the product status designation, equivalent and substitute parts from active product lines or alternative manufacturers with matching electrical and mechanical specifications are necessary for ongoing system support and new design implementations.

Key Parameters

Parameter	Value
Capacitance	330 µF
Voltage Rating	50 V
Tolerance	±20%
Lifetime @ Temperature	5000 Hrs @ 105°C
Operating Temperature Range	-55°C ~ 105°C
Lead Spacing	0.197" (5.00mm)
Case Diameter	0.394" (10.00mm)
Mounting Type	Through Hole Radial
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict adherence to the following parameters:

Primary Matching Criteria (Mandatory):

Capacitance: 330 µF
Voltage Rating: 50 V (or higher)
Tolerance: ±20%
Polarization: Polar
Mounting Type: Through Hole Radial
Package/Case: Radial, Can

Secondary Compatibility Parameters:

Lead Spacing: 0.197" (5.00mm) preferred for direct PCB fit
Case Diameter: 0.394" (10.00mm) preferred for spatial constraints
Operating Temperature Range: -55°C ~ 105°C minimum
Lifetime @ 105°C: 5000 Hrs minimum

Parts are grouped into three categories based on product status and compliance certifications:

Category 1 - Nichicon UPW/UPJ Series (Not For New Designs): Direct electrical equivalents with identical core specifications. UPJ1H331MPD and UPW1H331MPD share identical lead spacing and case diameter with the main part.

Category 2 - Nichicon UPM Series & Panasonic FC Series (Active Status): Parts meeting all electrical parameters with AEC-Q200 automotive qualification. These represent active alternatives suitable for new designs.

Category 3 - Chemi-Con LXY/LXZ Series (Active Status, Upgraded): Parts with enhanced specifications including higher voltage ratings (63 V) or extended lifetime ratings (7000 Hrs), offering performance upgrades while maintaining backward compatibility.

Parameter Comparison

Part Number	Manufacturer	Capacitance	Voltage	Tolerance	Lead Spacing	Case Diameter	Height (Max)	Lifetime @ 105°C	Product Status	Compliance
UPW1H331MPD6	Nichicon	330 µF	50 V	±20%	0.197" (5.00mm)	0.394" (10.00mm)	1.240" (31.50mm)	5000 Hrs	Not For New Designs	ROHS3
UPJ1H331MPD	Nichicon	330 µF	50 V	±20%	0.197" (5.00mm)	0.394" (10.00mm)	1.299" (33.00mm)	5000 Hrs	Not For New Designs	ROHS3
UPJ1H331MHD6	Nichicon	330 µF	50 V	±20%	0.295" (7.50mm)	0.630" (16.00mm)	0.650" (16.50mm)	5000 Hrs	Not For New Designs	ROHS3
UPM1H331MHD6	Nichicon	330 µF	50 V	±20%	0.295" (7.50mm)	0.630" (16.00mm)	0.669" (17.00mm)	5000 Hrs	Not For New Designs	ROHS3, AEC-Q200
UPW1H331MPD	Nichicon	330 µF	50 V	±20%	0.197" (5.00mm)	0.394" (10.00mm)	0.787" (20.00mm)	5000 Hrs	Not For New Designs	ROHS3
ELXY500ELL331MJ30S	Chemi-Con	330 µF	50 V	±20%	0.197" (5.00mm)	0.394" (10.00mm)	1.240" (31.50mm)	5000 Hrs	Active	ROHS3, AEC-Q200
ELXZ630ELL331MJ30S	Chemi-Con	330 µF	63 V	±20%	0.197" (5.00mm)	0.394" (10.00mm)	1.240" (31.50mm)	5000 Hrs	Active	ROHS3, AEC-Q200
EEU-FC1H331	Panasonic	330 µF	50 V	±20%	0.197" (5.00mm)	0.492" (12.50mm)	0.787" (20.00mm)	5000 Hrs	Active	ROHS3, AEC-Q200
EEU-FC1H331B	Panasonic	330 µF	50 V	±20%	0.197" (5.00mm)	0.492" (12.50mm)	0.866" (22.00mm)	5000 Hrs	Active	ROHS3, AEC-Q200
EEU-FC1H331L	Panasonic	330 µF	50 V	±20%	0.197" (5.00mm)	0.394" (10.00mm)	1.260" (32.00mm)	3000 Hrs	Active	ROHS3, AEC-Q200
ELXY500ELL331MK20S	Chemi-Con	330 µF	50 V	±20%	0.197" (5.00mm)	0.492" (12.50mm)	0.846" (21.50mm)	7000 Hrs	Active	ROHS3, AEC-Q200

Engineering Selection Recommendations

Direct Replacement (Identical Footprint & Specifications):

UPJ1H331MPD and UPW1H331MPD are direct electrical equivalents with matching lead spacing (0.197" / 5.00mm) and case diameter (0.394" / 10.00mm). Both maintain the 330 µF / 50 V specification and 5000-hour lifetime rating. These parts are suitable for direct substitution in existing designs where the UPW1H331MPD6 is currently specified, though both carry the same "Not For New Designs" status.

Active Product Alternatives (New Design Implementation):

ELXY500ELL331MJ30S (Chemi-Con) and EEU-FC1H331 (Panasonic) are active-status alternatives with identical electrical specifications and matching lead spacing and case diameter to the main part. Both carry AEC-Q200 automotive qualification, making them suitable for applications requiring active product support and automotive-grade reliability. These parts are recommended for new designs requiring 330 µF / 50 V specifications.

Voltage-Upgraded Alternative:

ELXZ630ELL331MJ30S (Chemi-Con) provides a 63 V rated voltage while maintaining 330 µF capacitance and identical physical footprint. This part is suitable for applications where higher voltage margin is required or where 63 V bus voltages are present. Active product status and AEC-Q200 qualification apply.

Extended Lifetime Alternative:

ELXY500ELL331MK20S (Chemi-Con) offers 7000-hour lifetime at 105°C compared to the standard 5000-hour rating, with identical electrical specifications. Case diameter increases to 0.492" (12.50mm), requiring PCB layout verification. Active status and AEC-Q200 qualification apply.

Footprint Considerations:

Parts with 0.295" (7.50mm) lead spacing (UPJ1H331MHD6, UPM1H331MHD6) and larger case diameters (0.630" / 16.00mm) require PCB redesign and are suitable only where spatial constraints permit. Panasonic FC series parts with 0.492" (12.50mm) case diameter similarly require layout verification.

Compliance & Certification:

All listed substitutes maintain ROHS3 compliance. Parts designated as active status with AEC-Q200 certification (Chemi-Con LXY/LXZ series, Panasonic FC series, Nichicon UPM series) are recommended for new designs and applications requiring automotive-grade reliability.

Frequently Asked Questions (FAQ)

Q: Can UPJ1H331MPD directly replace UPW1H331MPD6 on the PCB?

A: Yes. Both parts share identical lead spacing (0.197" / 5.00mm) and case diameter (0.394" / 10.00mm). Height difference (1.299" vs. 1.240") is within typical PCB clearance tolerances. Electrical specifications are identical: 330 µF, 50 V, ±20% tolerance, 5000-hour lifetime at 105°C.

Q: What is the difference between Nichicon UPW, UPJ, and UPM series?

A: All three series share identical electrical specifications (330 µF, 50 V, ±20%, 5000 Hrs @ 105°C). UPW and UPJ are not for new designs. UPM series includes AEC-Q200 automotive qualification and is suitable for automotive applications. Physical dimensions vary: UPW/UPJ with 5.00mm lead spacing differ from UPM with 7.50mm lead spacing and larger case diameter.

Q: Can I use ELXZ630ELL331MJ30S (63 V) in place of UPW1H331MPD6 (50 V)?

A: Yes, from an electrical standpoint. The 63 V rating provides higher voltage margin and is backward compatible with 50 V applications. Physical footprint is identical (0.197" lead spacing, 0.394" case diameter). This part is active status with AEC-Q200 certification, making it suitable for new designs.

Q: Why do some substitutes have different case diameters?

A: Case diameter variations reflect different internal construction and ripple current handling capabilities. Larger diameters (0.492" / 12.50mm, 0.630" / 16.00mm) accommodate higher ripple current ratings or extended lifetime specifications. PCB layout must accommodate the physical dimensions of the selected substitute.

Q: Which substitute is recommended for new automotive designs?

A: ELXY500ELL331MJ30S or ELXZ630ELL331MJ30S (Chemi-Con LXY/LXZ series) are recommended. Both are active products with AEC-Q200 automotive qualification, matching electrical specifications, and identical lead spacing to the main part. ELXZ630ELL331MJ30S offers additional voltage margin at 63 V.

Q: What does "Not For New Designs" mean?

A: This designation indicates the part is in mature or end-of-life status and may have limited availability or future support. Nichicon UPW, UPJ, and UPM series carry this status. For new designs, select active-status alternatives such as Chemi-Con LXY/LXZ series or Panasonic FC series.

Q: Are Panasonic EEU-FC1H331 and EEU-FC1H331B interchangeable?

A: Electrically yes, both are 330 µF / 50 V with identical specifications and lead spacing. Physical difference: EEU-FC1H331B has greater height (0.866" vs. 0.787"). Packaging differs: EEU-FC1H331 is bulk; EEU-FC1H331B is cut tape. Both are active products with AEC-Q200 certification.

Q: What is the impact of different impedance values listed for each part?

A: Impedance values (ranging from 54 to 90 mOhms) reflect internal construction differences and ripple current handling. Lower impedance generally indicates better high-frequency ripple current performance. For general-purpose applications, impedance differences are not a substitution barrier if capacitance, voltage, and tolerance match.

Q: Can EEU-FC1H331L (3000 Hrs lifetime) replace UPW1H331MPD6 (5000 Hrs)?

A: Electrically yes, but with reduced lifetime rating. EEU-FC1H331L is rated 3000 hours at 105°C versus the main part's 5000 hours. This part is suitable only for applications where the reduced lifetime is acceptable. Physical footprint matches (0.197" lead spacing, 0.394" case diameter). Active status and AEC-Q200 certification apply.

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