Equivalent & Substitute Parts for UPB2C391MHD

Part Overview

The UPB2C391MHD is a 390 µF, 160 V aluminum electrolytic capacitor in radial can package manufactured by Nichicon. This component is classified as obsolete, making direct replacement necessary for ongoing production and maintenance applications. The UPB series has been superseded by newer formulations offering improved performance characteristics, including extended operational lifetime and enhanced ripple current handling capabilities.

Key Parameters

Parameter	Value
Capacitance	390 µF
Voltage Rating	160 V
Tolerance	±20%
Package Type	Radial, Can
Lead Spacing	0.295" (7.50 mm)
Case Diameter	0.709" (18.00 mm)
Mounting Type	Through Hole
Operating Temperature Range	-25°C to 105°C
Lifetime @ 105°C	5000 Hrs

Substitute Part Grouping Explanation

Substitution for the UPB2C391MHD is determined by the following criteria:

Primary Compatibility Requirements:

Capacitance value: 390 µF (exact match)
Tolerance: ±20% (exact match)
Package configuration: Radial, Can (exact match)
Lead spacing: 0.295" (7.50 mm) (exact match)
Case diameter: 0.709" (18.00 mm) (exact match)
Mounting type: Through Hole (exact match)

Allowable Parameter Variations:

Voltage rating: Equal to or greater than 160 V
Operating temperature range: Equal to or broader than -25°C to 105°C
Lifetime @ 105°C: Equal to or greater than 5000 Hrs
Ripple current ratings: Equal to or greater than original specifications

All three substitute parts meet these criteria while maintaining identical mechanical footprints and electrical capacitance specifications.

Parameter Comparison

Parameter	UPB2C391MHD	UCY2D391MHD9	200TXW390MEFR18X35	EKXJ201ELL391MMP1S
Manufacturer	Nichicon	Nichicon	Rubycon	Chemi-Con
Series	UPB	UCY	TXW	KXJ
Capacitance	390 µF	390 µF	390 µF	390 µF
Tolerance	±20%	±20%	±20%	±20%
Voltage Rating	160 V	200 V	200 V	200 V
Operating Temperature	-25°C to 105°C	-40°C to 105°C	-40°C to 105°C	-40°C to 105°C
Lifetime @ 105°C	5000 Hrs	12000 Hrs	12000 Hrs	12000 Hrs
Lead Spacing	0.295" (7.50 mm)	0.295" (7.50 mm)	0.295" (7.50 mm)	0.295" (7.50 mm)
Case Diameter	0.709" (18.00 mm)	0.709" (18.00 mm)	0.709" (18.00 mm)	0.709" (18.00 mm)
Height (Max)	1.457" (37.00 mm)	1.457" (37.00 mm)	1.476" (37.50 mm)	1.457" (37.00 mm)
Ripple Current @ 120 Hz	950 mA	1.69 A	1.43 A	1.565 A
Ripple Current @ 100 kHz	1.9 A	3.38 A	2 A	4.62125 A
Product Status	Obsolete	Active	Not For New Designs	Active
RoHS Status	Not specified	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

UCY2D391MHD9 (Nichicon): This part is the primary recommended substitute. It maintains the same manufacturer lineage as the original UPB2C391MHD while offering active product status. The UCY series provides doubled operational lifetime (12000 Hrs vs 5000 Hrs @ 105°C), increased voltage rating (200 V vs 160 V), and significantly improved ripple current performance. ROHS3 compliance and REACH affected status indicate current manufacturing standards. Mechanical compatibility is identical.

EKXJ201ELL391MMP1S (Chemi-Con): This substitute is suitable for applications requiring automotive-grade reliability. The KXJ series carries AEC-Q200 qualification and active product status. It provides the same performance improvements as the UCY2D391MHD9 (12000 Hrs lifetime, 200 V rating) with marginally superior ripple current handling at high frequency (4.62125 A @ 100 kHz). Mechanical footprint is identical to the original part. ROHS3 compliant and REACH unaffected.

200TXW390MEFR18X35 (Rubycon): This substitute meets all electrical and mechanical compatibility requirements but carries "Not For New Designs" product status. It is suitable only for legacy system maintenance and repair applications where component continuity is required. The TXW series offers 12000 Hrs lifetime and 200 V rating. Height dimension is 0.019" (0.50 mm) greater than the original, which may require PCB layout verification in space-constrained applications. ROHS3 compliant.

Frequently Asked Questions (FAQ)

Q: Can UCY2D391MHD9 be used as a direct drop-in replacement for UPB2C391MHD?

A: Yes. Both parts share identical capacitance (390 µF), tolerance (±20%), lead spacing (0.295" / 7.50 mm), case diameter (0.709" / 18.00 mm), and height (1.457" / 37.00 mm). The higher voltage rating (200 V vs 160 V) and extended lifetime (12000 Hrs vs 5000 Hrs) represent performance improvements with no compatibility issues.

Q: What is the height difference between 200TXW390MEFR18X35 and the original UPB2C391MHD?

A: The Rubycon 200TXW390MEFR18X35 has a maximum seated height of 1.476" (37.50 mm) compared to 1.457" (37.00 mm) for the UPB2C391MHD. This 0.019" (0.50 mm) difference should be verified against PCB layout constraints before selection.

Q: Are all substitute parts RoHS compliant?

A: Yes. UCY2D391MHD9, 200TXW390MEFR18X35, and EKXJ201ELL391MMP1S are all ROHS3 compliant. The original UPB2C391MHD does not specify RoHS status.

Q: Which substitute is recommended for new designs?

A: UCY2D391MHD9 (Nichicon) or EKXJ201ELL391MMP1S (Chemi-Con) are both active products suitable for new designs. The 200TXW390MEFR18X35 carries "Not For New Designs" status and should be used only for maintenance of existing systems.

Q: What is the difference between UCY2D391MHD9 and EKXJ201ELL391MMP1S?

A: Both parts provide identical electrical specifications (390 µF, 200 V, 12000 Hrs @ 105°C). The primary difference is application focus: EKXJ201ELL391MMP1S carries AEC-Q200 automotive qualification, making it suitable for automotive applications. UCY2D391MHD9 is a general-purpose industrial component. Mechanical compatibility is identical.

Q: Can the 160 V rated UPB2C391MHD be replaced with a 200 V rated substitute in a 160 V circuit?

A: Yes. A capacitor with a higher voltage rating can be used in circuits rated for lower voltages. The 200 V rated substitutes (UCY2D391MHD9, 200TXW390MEFR18X35, EKXJ201ELL391MMP1S) are fully compatible with 160 V circuit applications.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message