UPM1J331MHD6AA Equivalent & Substitute Parts

Part Overview

The UPM1J331MHD6AA is a 330 µF, 63 V aluminum electrolytic capacitor manufactured by Nichicon in the UPM series. This radial, through-hole component is designed for automotive applications with AEC-Q200 qualification and a rated lifetime of 5000 hours at 105°C. The part is currently in active production status.

Substitute parts become necessary when the primary part number reaches end-of-life status, experiences supply constraints, or when design revisions require component consolidation across product generations. The UPM1J331MHD6AA maintains full electrical and mechanical compatibility with its direct predecessor, UPM1J331MHD6, which carries a "Not For New Designs" status.

Key Parameters

Parameter	Value
Capacitance	330 µF
Voltage Rating	63 V
Tolerance	±20%
Lifetime @ Temperature	5000 Hrs @ 105°C
Operating Temperature Range	-55°C ~ 105°C
Polarization	Polar
Mounting Type	Through Hole
Package Type	Radial, Can
Lead Spacing	0.295" (7.50 mm)
Case Diameter	0.709" (18.00 mm)
Height (Seated Max)	0.669" (17.00 mm)
Impedance	50 mOhms
Ripple Current @ 120 Hz	1.08 A
Ripple Current @ 10 kHz	1.41 A
Automotive Rating	AEC-Q200

Substitute Part Grouping Explanation

Substitution eligibility for the UPM1J331MHD6AA is determined by strict equivalence across the following critical parameters:

Capacitance Value: 330 µF (exact match required)
Voltage Rating: 63 V (exact match required)
Tolerance: ±20% (exact match required)
Polarization: Polar (exact match required)
Mounting Type: Through Hole (exact match required)
Package Type: Radial, Can (exact match required)
Lead Spacing: 0.295" (7.50 mm) (exact match required)
Case Diameter: 0.709" (18.00 mm) (exact match required)
Height: 0.669" (17.00 mm) (exact match required)
Operating Temperature Range: -55°C ~ 105°C (exact match required)
Lifetime Rating: 5000 Hrs @ 105°C (exact match required)
Automotive Compliance: AEC-Q200 (exact match required)

The UPM1J331MHD6 qualifies as a direct parametric equivalent, sharing identical electrical specifications, mechanical dimensions, and automotive certifications with the UPM1J331MHD6AA.

Parameter Comparison

Parameter	UPM1J331MHD6AA (Main)	UPM1J331MHD6 (Substitute)
Manufacturer	Nichicon	Nichicon
Series	UPM	UPM
Capacitance	330 µF	330 µF
Voltage Rating	63 V	63 V
Tolerance	±20%	±20%
Operating Temperature	-55°C ~ 105°C	-55°C ~ 105°C
Lifetime @ 105°C	5000 Hrs	5000 Hrs
Polarization	Polar	Polar
Mounting Type	Through Hole	Through Hole
Package Type	Radial, Can	Radial, Can
Lead Spacing	0.295" (7.50 mm)	0.295" (7.50 mm)
Case Diameter	0.709" (18.00 mm)	0.709" (18.00 mm)
Height (Seated Max)	0.669" (17.00 mm)	0.669" (17.00 mm)
Impedance	50 mOhms	50 mOhms
Ripple Current @ 120 Hz	1.08 A	1.08 A
Ripple Current @ 10 kHz	1.41 A	1.41 A
AEC-Q200 Rating	Yes	Yes
Product Status	Active	Not For New Designs

Engineering Selection Recommendations

The UPM1J331MHD6 is a direct parametric equivalent to the UPM1J331MHD6AA. Both parts are manufactured by Nichicon, carry AEC-Q200 automotive qualification, and maintain identical electrical and mechanical specifications.

For new designs, the UPM1J331MHD6AA is the recommended selection due to its active production status. The UPM1J331MHD6 carries a "Not For New Designs" designation and should be used only for legacy system maintenance, repair, or when existing inventory must be consumed.

Both parts satisfy identical circuit requirements and are mechanically interchangeable in through-hole PCB applications. Selection between these parts should be based on design phase (new versus legacy) and supply availability.

Frequently Asked Questions (FAQ)

Q: Can UPM1J331MHD6 be used as a direct replacement for UPM1J331MHD6AA?

A: Yes. The UPM1J331MHD6 is electrically and mechanically identical to the UPM1J331MHD6AA. Both parts share the same capacitance (330 µF), voltage rating (63 V), tolerance (±20%), operating temperature range (-55°C ~ 105°C), lifetime rating (5000 Hrs @ 105°C), and physical dimensions. They are pin-compatible and functionally equivalent in all circuit applications.

Q: Why is UPM1J331MHD6 marked "Not For New Designs"?

A: The "Not For New Designs" status indicates that this part number has been superseded by the UPM1J331MHD6AA. Nichicon recommends using the newer part number for all new product development. The older part number remains available for legacy system support and repair applications.

Q: Are the physical dimensions identical between these parts?

A: Yes. Both parts have identical through-hole lead spacing (0.295" / 7.50 mm), case diameter (0.709" / 18.00 mm), and seated height (0.669" / 17.00 mm). They occupy the same PCB footprint and require no layout modifications.

Q: Do both parts meet automotive qualification standards?

A: Yes. Both the UPM1J331MHD6AA and UPM1J331MHD6 carry AEC-Q200 qualification, confirming suitability for automotive applications with equivalent reliability and performance standards.

Q: What is the difference between these part numbers?

A: The UPM1J331MHD6AA is the current production part, while UPM1J331MHD6 is the legacy predecessor. No electrical or mechanical differences exist between them. The suffix change reflects Nichicon's product line update and does not indicate a design revision.

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