UBT1J331MHD8 Equivalent & Substitute Parts

Part Overview

The UBT1J331MHD8 is a 330 µF, 63 V aluminum electrolytic capacitor in radial, can package manufactured by Nichicon. This component is rated for 5000 hours at 125°C and is designed for automotive applications. The part maintains Active product status and is ROHS3 compliant. Equivalent and substitute parts are identified when electrical characteristics, mechanical dimensions, and operational ratings align within the specified tolerance parameters for this capacitor category.

Substiute Parts

UBT1J331MHD8

NichiconIn Stock: 1375UBT1J331MHD8 Datasheet

Current PartRFQ

UBT1J331MHD8

NichiconIn Stock: 1375UBT1J331MHD8 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution for the UBT1J331MHD8 is determined by strict equivalence across the following critical parameters:

• Capacitance value: 330 µF (within ±20% tolerance specification)
• Rated voltage: 63 V (minimum requirement)
• Operating temperature range: -40°C to 125°C
• Lifetime rating: 5000 hours at 125°C
• Ripple current specifications: 645 mA @ 120 Hz and 1.29 A @ 100 kHz
• Mechanical compatibility: Lead spacing 5.00 mm, diameter 12.50 mm, height 27.00 mm maximum
• Package type: Radial, can configuration for through-hole mounting
• Compliance: ROHS3 compliant

Only parts meeting all these parameters simultaneously qualify as direct equivalents or substitutes for this component.

Parameter Comparison

Engineering Selection Recommendations

The UBT1J331MHD8 is an Active product with ROHS3 compliance and REACH compliance status. When selecting equivalent or substitute parts, the following criteria apply:

• Product status must be Active or equivalent in availability and support
• ROHS3 compliance must be maintained for regulatory adherence
• All electrical parameters must meet or exceed the specifications of the primary part
• Mechanical dimensions must allow direct PCB mounting without modification
• Automotive application rating must be preserved or enhanced in substitute selections
• Ripple current and impedance specifications must support the intended circuit performance

Substitutes must demonstrate full compatibility across all provided parameters without exception.

Frequently Asked Questions (FAQ)

Q: Can I use a capacitor with higher voltage rating as a substitute? A: Yes. A capacitor rated for 80 V or higher can substitute for the 63 V rated UBT1J331MHD8, provided all other parameters remain equivalent. Higher voltage ratings do not compromise circuit function in lower-voltage applications.

Q: What if the substitute has a different tolerance specification? A: The substitute tolerance must be equal to or tighter than ±20%. A ±10% tolerance substitute is acceptable; a ±25% tolerance is not.

Q: Are mechanical dimensions critical for substitution? A: Yes. Lead spacing (5.00 mm), diameter (12.50 mm), and maximum height (27.00 mm) must match exactly for through-hole PCB mounting compatibility. Deviations prevent proper installation.

Q: Can I substitute with a non-radial package configuration? A: No. The UBT1J331MHD8 is specified as radial, can package for through-hole mounting. Axial or surface-mount configurations are not compatible.

Q: Is ROHS3 compliance mandatory for substitutes? A: Yes. ROHS3 compliance is required to maintain regulatory adherence in automotive applications and supply chain requirements.

Q: What is the significance of the 5000-hour lifetime rating at 125°C? A: This rating defines the expected operational life under maximum temperature stress. Substitutes must meet or exceed this specification to ensure equivalent reliability in automotive environments.

Q: Can ripple current specifications be lower in a substitute? A: No. The substitute must meet or exceed the ripple current ratings of 645 mA @ 120 Hz and 1.29 A @ 100 kHz to handle the same circuit stress conditions.