Equivalent & Substitute Parts for UBT1J331MHD8TO

Part Overview

The UBT1J331MHD8TO is a 330 µF, 63 V aluminum electrolytic capacitor manufactured by Nichicon in the UBT series. This radial, through-hole component is rated for 5000 hours at 125°C and is designed for automotive applications. The part is currently active in production with full ROHS3 compliance and REACH compliance status. Substitute parts are identified based on matching electrical specifications, mechanical dimensions, and operational ratings to ensure direct functional equivalence in circuit applications.

Substiute Parts

UBT1J331MHD8TO

NichiconIn Stock: 1272UBT1J331MHD8TO Datasheet

Current PartRFQ

UBT1J331MHD8TO

NichiconIn Stock: 1272UBT1J331MHD8TO Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the UBT1J331MHD8TO is determined by strict equivalence across the following critical parameters:

Electrical specifications: Capacitance value of 330 µF, voltage rating of 63 V, and tolerance of ±20% must match exactly. Ripple current ratings at both 120 Hz and 100 kHz, impedance, and lifetime rating at 125°C establish the performance envelope for the component.

Mechanical compatibility: Lead spacing of 0.197" (5.00 mm), case diameter of 0.492" (12.50 mm), and seated height of 1.063" (27.00 mm) ensure physical fit in existing PCB layouts. Through-hole radial mounting configuration must be maintained.

Compliance and status: Active product status, ROHS3 compliance, and REACH compliance status are required for production applications.

Based on the provided input data, the UBT1J331MHD8TO is listed as its own substitute, indicating no alternative parts with equivalent specifications are currently documented.

Parameter Comparison

Engineering Selection Recommendations

The UBT1J331MHD8TO is an active product with full regulatory compliance for automotive applications. Selection of this component is supported by ROHS3 compliance and REACH compliance status, meeting current environmental and regulatory requirements for production use.

When sourcing this capacitor, verify that the selected unit maintains the specified electrical parameters, particularly the 5000-hour lifetime rating at 125°C and the ripple current specifications at both low and high frequencies. Mechanical dimensions must be confirmed to ensure compatibility with existing PCB layouts and through-hole mounting requirements.

Frequently Asked Questions (FAQ)

Q: What determines if a part can substitute for the UBT1J331MHD8TO?

A: A substitute must match the capacitance value (330 µF), voltage rating (63 V), tolerance (±20%), lifetime rating (5000 Hrs @ 125°C), ripple current specifications (645 mA @ 120 Hz and 1.29 A @ 100 kHz), and mechanical dimensions (lead spacing 0.197", diameter 0.492", height 1.063"). The mounting type must remain through-hole radial configuration.

Q: Are there alternative manufacturers for this specification?

A: Based on the provided data, no alternative manufacturers are documented for this specific part number and specification set. The UBT1J331MHD8TO from Nichicon is listed as the current equivalent.

Q: What is the significance of the 5000-hour lifetime rating at 125°C?

A: This rating defines the expected operational life of the capacitor under maximum temperature conditions. Components selected as substitutes must maintain this same lifetime specification to ensure equivalent reliability in automotive applications.

Q: Can this capacitor be used in non-automotive applications?

A: The UBT1J331MHD8TO is specified for automotive applications. Use in other applications requires verification that the electrical and thermal specifications meet the requirements of the target circuit.

Q: What does ROHS3 compliance mean for this component?

A: ROHS3 compliance indicates that the component meets the Restriction of Hazardous Substances Directive, restricting the use of specific hazardous materials in electrical and electronic equipment. This is a regulatory requirement for many production applications.