UFG1V331MHM1TO Equivalent & Substitute Parts

Part Overview

The UFG1V331MHM1TO is a 330 µF, 35 V aluminum electrolytic capacitor in radial configuration manufactured by Nichicon. This component is classified as obsolete, indicating it is no longer in active production. The UFG series is designed for audio applications with a rated lifetime of 1000 hours at 85°C. Due to its obsolete status, equivalent and substitute parts with improved specifications or active production status are necessary for new designs and ongoing component sourcing.

Key Parameters

Parameter	Value
Capacitance	330 µF
Voltage Rating	35 V
Tolerance	±20%
Polarization	Polar
Mounting Type	Through Hole
Package Type	Radial, Can
Lead Spacing	0.197" (5.00 mm)
Size / Dimension	0.492" Dia (12.50 mm)
Height - Seated (Max)	0.866" (22.00 mm)
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution for the UFG1V331MHM1TO is determined by the following mandatory parameters:

Fixed Parameters (Must Match):

Capacitance: 330 µF
Tolerance: ±20%
Polarization: Polar
Mounting Type: Through Hole
Package Type: Radial, Can
Lead Spacing: 0.197" (5.00 mm)
Size / Dimension: 0.492" Dia (12.50 mm)

Variable Parameters (Allowed to Differ):

Voltage Rating: 35 V or higher
Lifetime @ Temperature: Equal to or greater than 1000 Hrs @ 85°C
Operating Temperature Range: Equal to or wider than -40°C ~ 85°C
Ripple Current: Equal to or greater than 446 mA @ 120 Hz
Product Status: Active or Obsolete (for equivalent sourcing)

Substitute parts are grouped into two categories:

Category 1: Direct Voltage Match (35 V)

UKL1V331MHD1TO: Same voltage, improved lifetime (2000 Hrs @ 85°C), general purpose application
860130578007: Same voltage, enhanced thermal performance (2000 Hrs @ 125°C), Würth Elektronik alternative

Category 2: Voltage Upgrade (50 V or Higher)

UFG1H331MHM1TO: 50 V rating, same series, same lifetime specification
UBW1H331MHD1TO: 50 V rating, automotive grade, extended lifetime (3000 Hrs @ 135°C)
UBX1H331MHL1TO: 50 V rating, automotive grade, extreme temperature capability (1000 Hrs @ 150°C)
UKL1H331MHD1TO: 50 V rating, general purpose, extended lifetime (2000 Hrs @ 85°C)
UPS1J331MHD1TO: 63 V rating, extended lifetime (3000 Hrs @ 105°C)
UPW1J331MHD1TO: 63 V rating, premium lifetime (7000 Hrs @ 105°C)
860020778020: 63 V rating, Würth Elektronik alternative (2000 Hrs @ 105°C)
860130678009: 50 V rating, Würth Elektronik alternative (2000 Hrs @ 125°C)

Parameter Comparison

Part Number	Manufacturer	Capacitance	Voltage	Tolerance	Lifetime @ Temp	Operating Temp Range	Ripple Current @ 120 Hz	Product Status	Height (Max)
UFG1V331MHM1TO	Nichicon	330 µF	35 V	±20%	1000 Hrs @ 85°C	-40°C ~ 85°C	446 mA	Obsolete	0.866" (22.00 mm)
UKL1V331MHD1TO	Nichicon	330 µF	35 V	±20%	2000 Hrs @ 85°C	-40°C ~ 85°C	550 mA	Not For New Designs	0.866" (22.00 mm)
860130578007	Würth Elektronik	330 µF	35 V	±20%	2000 Hrs @ 125°C	-40°C ~ 125°C	718 mA	Active	0.846" (21.50 mm)
UFG1H331MHM1TO	Nichicon	330 µF	50 V	±20%	1000 Hrs @ 85°C	-40°C ~ 85°C	488 mA	Obsolete	0.866" (22.00 mm)
UBW1H331MHD1TO	Nichicon	330 µF	50 V	±20%	3000 Hrs @ 135°C	-55°C ~ 135°C	665 mA	Active	0.866" (22.00 mm)
UBX1H331MHL1TO	Nichicon	330 µF	50 V	±20%	1000 Hrs @ 150°C	-55°C ~ 150°C	385 mA	Active	0.846" (21.50 mm)
UKL1H331MHD1TO	Nichicon	330 µF	50 V	±20%	2000 Hrs @ 85°C	-40°C ~ 85°C	600 mA	Not For New Designs	0.866" (22.00 mm)
UPS1J331MHD1TO	Nichicon	330 µF	63 V	±20%	3000 Hrs @ 105°C	-55°C ~ 105°C	695.8 mA	Not For New Designs	0.866" (22.00 mm)
UPW1J331MHD1TO	Nichicon	330 µF	63 V	±20%	7000 Hrs @ 105°C	-55°C ~ 105°C	838.5 mA	Not For New Designs	0.866" (22.00 mm)
860020778020	Würth Elektronik	330 µF	63 V	±20%	2000 Hrs @ 105°C	-40°C ~ 105°C	580 mA	Active	0.846" (21.50 mm)
860130678009	Würth Elektronik	330 µF	50 V	±20%	2000 Hrs @ 125°C	-40°C ~ 125°C	810 mA	Active	0.846" (21.50 mm)

Engineering Selection Recommendations

For New Designs: Select from parts with Active product status. The 860130578007 (Würth Elektronik, 35 V) and 860130678009 (Würth Elektronik, 50 V) are recommended as primary choices due to active production status, extended thermal performance (2000 Hrs @ 125°C), and ROHS3 compliance. The UBW1H331MHD1TO (Nichicon, 50 V) is an alternative active option with automotive-grade specifications.

For Direct Replacement (Same Voltage, 35 V): The UKL1V331MHD1TO provides equivalent mechanical fit with doubled lifetime (2000 Hrs @ 85°C) while maintaining the same voltage rating and form factor. The 860130578007 offers superior thermal performance with extended operating temperature range (-40°C ~ 125°C).

For Voltage Upgrade Applications (50 V or Higher): Voltage upgrades are permissible when circuit design allows. The UBW1H331MHD1TO and 860130678009 both provide 50 V ratings with 2000+ hour lifetimes at elevated temperatures. For extended service life requirements, the UPW1J331MHD1TO (63 V, 7000 Hrs @ 105°C) is available, though classified as Not For New Designs.

Compliance Considerations: All listed substitutes maintain ROHS3 compliance. The Würth Elektronik parts (860130578007, 860020778020, 860130678009) are currently in active production with REACH Unaffected status, ensuring long-term availability and regulatory compliance.

Frequently Asked Questions (FAQ)

Q: Can I use a 50 V rated capacitor in place of the 35 V UFG1V331MHM1TO?

A: Yes. A higher voltage rating is a valid substitution when the circuit design permits. The 50 V parts (UFG1H331MHM1TO, UBW1H331MHD1TO, UKL1H331MHD1TO, 860130678009) maintain identical capacitance, tolerance, and mechanical dimensions while providing additional voltage margin.

Q: What is the difference between the Nichicon and Würth Elektronik alternatives?

A: Both manufacturers provide equivalent electrical performance at the same capacitance and voltage ratings. Würth Elektronik parts (860130578007, 860130678009, 860020778020) are currently in active production, while some Nichicon alternatives are classified as obsolete or not for new designs. Würth parts feature slightly different physical dimensions (0.512" Dia vs. 0.492" Dia) and enhanced thermal performance specifications.

Q: Are the physical dimensions identical across all substitutes?

A: Mechanical compatibility is maintained for lead spacing (0.197" / 5.00 mm) and diameter (0.492" / 12.50 mm) across most substitutes. However, some Würth Elektronik parts (860130578007, 860020778020, 860130678009) have a slightly larger diameter (0.512" / 13.00 mm) and reduced height (0.846" / 21.50 mm vs. 0.866" / 22.00 mm). Verify PCB layout clearance before substitution.

Q: Which substitute offers the longest operational lifetime?

A: The UPW1J331MHD1TO provides the longest rated lifetime at 7000 hours @ 105°C. However, this part is classified as Not For New Designs. For active production alternatives, the UBW1H331MHD1TO (3000 Hrs @ 135°C) and 860130678009 (2000 Hrs @ 125°C) offer extended lifetimes with current availability.

Q: What does "Not For New Designs" mean for product status?

A: Parts marked as "Not For New Designs" are still available but are in end-of-life phase. They remain suitable for replacement and repair applications but should not be selected for new product development. Active status parts are preferred for new designs to ensure long-term supply continuity.

Q: Can I substitute based on ripple current specifications?

A: Ripple current capacity must meet or exceed the original specification (446 mA @ 120 Hz for the UFG1V331MHM1TO). All listed substitutes satisfy this requirement, with most providing higher ripple current ratings, indicating improved performance margin.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message