UPS1H331MPD1TD Equivalent & Substitute Parts

Part Overview

The UPS1H331MPD1TD is a 330 µF, 50 V aluminum electrolytic capacitor in radial, can package manufactured by Nichicon. This component is rated for 2000 hours at 105°C and is classified as not for new designs. Due to its obsolescence status and limited operational lifetime, equivalent substitute parts with improved performance characteristics or active product status are available to support ongoing maintenance and legacy system requirements.

Key Parameters

Parameter	Value
Capacitance	330 µF
Voltage Rating	50 V
Tolerance	±20%
Package Type	Radial, Can
Lead Spacing	0.197" (5.00 mm)
Size / Diameter	0.394" (10.00 mm)
Height - Seated (Max)	0.866" (22.00 mm)
Mounting Type	Through Hole
Operating Temperature Range	-55°C ~ 105°C
Polarization	Polar
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the UPS1H331MPD1TD is determined by the following mandatory parameters:

Capacitance: 330 µF (exact match required)
Tolerance: ±20% (exact match required)
Package Type: Radial, Can (exact match required)
Lead Spacing: 0.197" (5.00 mm) (exact match required)
Physical Dimensions: 0.394" Dia × 0.866" Height (exact match required)
Mounting Type: Through Hole (exact match required)
Polarization: Polar (exact match required)
RoHS Status: ROHS3 Compliant (required)

Voltage rating may be equal to or higher than 50 V. Operating temperature range may be equal to or extended beyond -55°C ~ 105°C. Lifetime at temperature and impedance characteristics may vary. All substitute parts listed meet the mandatory parameter requirements for direct mechanical and electrical compatibility.

Parameter Comparison

Parameter	UPS1H331MPD1TD	UPW1H331MPD1TD	B41858C6337M8	ECA-1JHG331B	MAL214631331E3
Manufacturer	Nichicon	Nichicon	EPCOS - TDK Electronics	Panasonic Electronic Components	Vishay Beyschlag/Draloric/BC Components
Capacitance	330 µF	330 µF	330 µF	330 µF	330 µF
Tolerance	±20%	±20%	±20%	±20%	±20%
Voltage - Rated	50 V	50 V	50 V	63 V	50 V
Lifetime @ Temp.	2000 Hrs @ 105°C	5000 Hrs @ 105°C	5000 Hrs @ 105°C	2000 Hrs @ 105°C	3000 Hrs @ 125°C
Operating Temperature	-55°C ~ 105°C	-55°C ~ 105°C	-55°C ~ 105°C	-55°C ~ 105°C	-55°C ~ 125°C
Lead Spacing	0.197" (5.00 mm)	0.197" (5.00 mm)	0.197" (5.00 mm)	0.197" (5.00 mm)	0.197" (5.00 mm)
Size / Dimension	0.394" Dia (10.00 mm)	0.394" Dia (10.00 mm)	0.394" Dia (10.00 mm)	0.394" Dia (10.00 mm)	0.394" Dia (10.00 mm)
Height - Seated (Max)	0.866" (22.00 mm)	0.866" (22.00 mm)	0.866" (22.00 mm)	0.866" (22.00 mm)	0.866" (22.00 mm)
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Package / Case	Radial, Can	Radial, Can	Radial, Can	Radial, Can	Radial, Can
Product Status	Not For New Designs	Not For New Designs	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

UPW1H331MPD1TD (Nichicon): This part maintains identical electrical and mechanical specifications to the main part while offering extended lifetime of 5000 hours at 105°C versus 2000 hours. Both parts carry "Not For New Designs" status. Selection is appropriate for direct replacement in existing applications where Nichicon sourcing is preferred and extended operational life is beneficial.

B41858C6337M8 (EPCOS - TDK Electronics): This part is classified as Active product status and carries AEC-Q200 automotive qualification. It provides 5000-hour lifetime at 105°C with lower impedance (118 mOhms) compared to the main part. This option is suitable for applications requiring active product support and automotive-grade reliability.

ECA-1JHG331B (Panasonic Electronic Components): This part is classified as Active product status with 63 V voltage rating, providing higher voltage margin than the 50 V main part. Lifetime is 2000 hours at 105°C, matching the main part. This option is appropriate for applications where higher voltage headroom is beneficial and Panasonic sourcing is preferred.

MAL214631331E3 (Vishay Beyschlag/Draloric/BC Components): This part is classified as Active product status with AEC-Q200 automotive qualification and extended operating temperature range to 125°C. It provides 3000-hour lifetime at 125°C with lower impedance (90 mOhms). This option is suitable for automotive applications and environments requiring higher temperature operation.

Frequently Asked Questions (FAQ)

Q: Can I use a substitute part with a higher voltage rating? A: Yes. A capacitor rated for 63 V (ECA-1JHG331B) or 50 V can be used in a circuit designed for 50 V operation. Higher voltage ratings provide additional safety margin and do not negatively affect circuit performance.

Q: Are all substitute parts mechanically compatible with the original PCB layout? A: Yes. All substitute parts listed maintain identical lead spacing (0.197" / 5.00 mm), diameter (0.394" / 10.00 mm), and height (0.866" / 22.00 mm). Direct PCB mounting without layout modification is possible.

Q: What is the difference between "Not For New Designs" and "Active" product status? A: "Not For New Designs" indicates the manufacturer is phasing out the product and may have limited availability. "Active" status indicates the manufacturer continues to produce and support the part. For new applications, Active status parts are preferred.

Q: Which substitute offers the best reliability for long-term operation? A: UPW1H331MPD1TD and B41858C6337M8 both offer 5000-hour lifetime at 105°C, compared to 2000 hours for the main part. MAL214631331E3 offers 3000 hours at 125°C, providing extended temperature operation.

Q: Are all parts RoHS and REACH compliant? A: Yes. All parts listed are ROHS3 Compliant and REACH Unaffected, meeting environmental regulatory requirements.

Q: Which substitute is recommended for automotive applications? A: B41858C6337M8 and MAL214631331E3 both carry AEC-Q200 automotive qualification. MAL214631331E3 additionally supports extended operating temperature to 125°C.

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