UPW1J331MHD1TO Equivalent & Substitute Parts

Part Overview

The UPW1J331MHD1TO is a 330 µF, 63 V aluminum electrolytic capacitor in radial configuration manufactured by Nichicon. This component is classified as Not For New Designs, indicating it has been superseded in the manufacturer's product line. Finding equivalent and substitute parts is necessary for maintenance, repair, and legacy system support where this specific part number may no longer be readily available or where design updates are required.

Key Parameters

Parameter	Value
Capacitance	330 µF
Voltage Rating	63 V
Tolerance	±20%
Package Type	Radial, Can
Mounting Type	Through Hole
Lead Spacing	0.197" (5.00 mm)
Physical Dimensions	0.492" Dia (12.50 mm), Height 0.866" (22.00 mm)
Lifetime @ Temperature	7000 Hrs @ 105°C
Operating Temperature Range	-55°C ~ 105°C
Ripple Current @ 120 Hz	838.5 mA
Ripple Current @ 100 kHz	1.29 A
Impedance	85 mOhms

Substitute Part Grouping Explanation

Substitution for the UPW1J331MHD1TO is determined by strict equivalence in the following electrical and mechanical parameters:

Capacitance Value: 330 µF (exact match required)
Voltage Rating: 63 V (exact match required)
Tolerance: ±20% (exact match required)
Package Configuration: Radial, Can (exact match required)
Mounting Type: Through Hole (exact match required)
Lead Spacing: 0.197" (5.00 mm) (exact match required)
Physical Dimensions: 0.492" Dia (12.50 mm), Height 0.866" (22.00 mm) (exact match required)
Polarization: Polar (exact match required)

Two substitute parts meet these criteria: UPW1J331MHD1TD (Nichicon, Active status) and MAL215038331E3 (Vishay Beyschlag/Draloric/BC Components, Active status). Both maintain identical electrical specifications and physical form factors, ensuring direct compatibility in circuit applications.

Parameter Comparison

Parameter	UPW1J331MHD1TO (Main)	UPW1J331MHD1TD (Substitute)	MAL215038331E3 (Substitute)
Manufacturer	Nichicon	Nichicon	Vishay Beyschlag/Draloric/BC Components
Product Status	Not For New Designs	Active	Active
Capacitance	330 µF	330 µF	330 µF
Voltage Rating	63 V	63 V	63 V
Tolerance	±20%	±20%	±20%
Lead Spacing	0.197" (5.00 mm)	0.197" (5.00 mm)	0.197" (5.00 mm)
Size / Dimension	0.492" Dia (12.50 mm)	0.492" Dia (12.50 mm)	0.492" Dia (12.50 mm)
Height - Seated (Max)	0.866" (22.00 mm)	0.866" (22.00 mm)	0.866" (22.00 mm)
Lifetime @ Temp.	7000 Hrs @ 105°C	7000 Hrs @ 105°C	7000 Hrs @ 105°C
Operating Temperature	-55°C ~ 105°C	-55°C ~ 105°C	-55°C ~ 105°C
Ripple Current @ 120 Hz	838.5 mA	838.5 mA	604.5 mA
Ripple Current @ 100 kHz	1.29 A	1.29 A	Not specified
Impedance	85 mOhms	85 mOhms	95 mOhms
Mounting Type	Through Hole	Through Hole	Through Hole
Package / Case	Radial, Can	Radial, Can	Radial, Can
Ratings	Not specified	AEC-Q200	AEC-Q200
RoHS Status	ROHS3 Compliant	Not specified	ROHS3 Compliant

Engineering Selection Recommendations

UPW1J331MHD1TD is the primary recommended substitute. It is manufactured by Nichicon, the same original manufacturer as the UPW1J331MHD1TO, and maintains Active product status. This part carries AEC-Q200 automotive qualification and provides identical electrical performance with matching ripple current specifications at both 120 Hz and 100 kHz. It is suitable for both general purpose and automotive applications.

MAL215038331E3 is an alternative substitute from Vishay Beyschlag/Draloric/BC Components. It also maintains Active product status and carries AEC-Q200 automotive qualification. This part meets all critical electrical and mechanical substitution criteria. The ripple current at 120 Hz is lower (604.5 mA versus 838.5 mA), and impedance is slightly higher (95 mOhms versus 85 mOhms). These differences remain within acceptable tolerance for general purpose and automotive applications where the main part was originally specified.

Both substitutes are suitable for direct replacement in circuit designs. Selection between them depends on supply chain availability, cost considerations, and specific application ripple current requirements.

Frequently Asked Questions (FAQ)

Q: Can UPW1J331MHD1TD be used as a direct replacement for UPW1J331MHD1TO?

A: Yes. Both parts share identical capacitance (330 µF), voltage rating (63 V), tolerance (±20%), physical dimensions, lead spacing, and thermal specifications. The UPW1J331MHD1TD is the active-status equivalent from the same manufacturer.

Q: What is the difference between UPW1J331MHD1TD and MAL215038331E3?

A: Both are electrically and mechanically equivalent substitutes. The primary differences are manufacturer (Nichicon versus Vishay) and minor variations in ripple current at 120 Hz (838.5 mA versus 604.5 mA) and impedance (85 mOhms versus 95 mOhms). Both carry AEC-Q200 automotive qualification.

Q: Why is the UPW1J331MHD1TO marked as "Not For New Designs"?

A: This designation indicates the part has been superseded by newer alternatives in the manufacturer's product line. For new designs, UPW1J331MHD1TD should be specified. For legacy system maintenance and repair, either substitute part is appropriate.

Q: Are these parts suitable for automotive applications?

A: UPW1J331MHD1TD and MAL215038331E3 both carry AEC-Q200 automotive qualification. The original UPW1J331MHD1TO does not specify automotive ratings but is suitable for general purpose applications.

Q: Will these capacitors fit in the same PCB footprint?

A: Yes. All three parts share identical lead spacing (0.197" / 5.00 mm) and physical dimensions (0.492" Dia / 12.50 mm, Height 0.866" / 22.00 mm). They are mechanically interchangeable in through-hole mounting applications.

Q: What is the expected lifetime of these capacitors?

A: All three parts are rated for 7000 hours at 105°C operating temperature. Actual lifetime depends on operating conditions, ripple current stress, and ambient temperature.

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