UBW2A4R7MPD Equivalent & Substitute Parts

Part Overview

The UBW2A4R7MPD is a 4.7 µF, 100 V aluminum electrolytic capacitor in radial, can package manufactured by Nichicon. This component is rated for automotive applications with a lifetime specification of 1000 hours at 135°C. The part is currently obsolete, making identification of compatible substitute components essential for ongoing system support and procurement.

Substiute Parts

UBW2A4R7MPD

NichiconIn Stock: 1077UBW2A4R7MPD Datasheet

Current PartRFQ

100RX304R7M8X11.5

RubyconIn Stock: 2135100RX304R7M8X11.5 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the UBW2A4R7MPD is determined by strict equivalence across the following electrical and mechanical parameters:

Electrical Equivalence Criteria:

• Capacitance value: 4.7 µF (exact match required)
• Tolerance: ±20% (matching tolerance band)
• Voltage rating: 100 V (minimum requirement; higher ratings acceptable)
• Polarization: Polar (electrolytic type)

Mechanical Equivalence Criteria:

• Lead spacing: 0.138" (4.60mm)
• Package diameter: 0.315" Dia (8.00mm)
• Maximum seated height: 0.531" (14.60mm)
• Mounting type: Through Hole
• Package style: Radial, Can

Compliance Criteria:

• RoHS3 compliance required for environmental regulation adherence

The substitute part 100RX304R7M8X11.5 (Rubycon RX30 series) meets all electrical and mechanical equivalence requirements and maintains RoHS3 compliance.

Parameter Comparison

Engineering Selection Recommendations

The 100RX304R7M8X11.5 (Rubycon RX30 series) is a direct electrical and mechanical equivalent to the obsolete UBW2A4R7MPD. Both components share identical capacitance, tolerance, voltage rating, and physical dimensions, ensuring PCB compatibility without layout modifications.

The substitute part carries active product status, ensuring long-term availability and supply chain continuity. Both components maintain ROHS3 compliance, satisfying environmental and regulatory requirements for automotive applications.

The Rubycon RX30 series carries AEC-Q200 qualification, a recognized automotive quality standard. The substitute part demonstrates extended lifetime performance (2000 hours at 130°C versus 1000 hours at 135°C), providing enhanced reliability margins in thermal stress conditions.

Frequently Asked Questions (FAQ)

Q: Can the 100RX304R7M8X11.5 be used as a direct replacement for UBW2A4R7MPD?

A: Yes. Both components are electrically and mechanically equivalent. Capacitance, tolerance, voltage rating, and physical dimensions are identical. No PCB modifications are required.

Q: Are there differences in operating temperature ranges?

A: The UBW2A4R7MPD operates from -55°C to 135°C, while the 100RX304R7M8X11.5 operates from -40°C to 130°C. For applications requiring operation below -40°C, the original part specification must be maintained. For standard automotive temperature ranges, the substitute is suitable.

Q: What is the significance of the lifetime rating difference?

A: The UBW2A4R7MPD is rated for 1000 hours at 135°C; the 100RX304R7M8X11.5 is rated for 2000 hours at 130°C. The substitute part provides extended operational life under thermal stress, representing improved reliability for long-term deployment.

Q: Does the substitute part meet automotive quality standards?

A: Yes. The 100RX304R7M8X11.5 carries AEC-Q200 qualification, confirming compliance with automotive reliability and quality requirements.

Q: Are both parts RoHS compliant?

A: Yes. Both the UBW2A4R7MPD and 100RX304R7M8X11.5 are ROHS3 compliant, meeting environmental and regulatory standards for electronic components.

Q: What is the inventory status of the substitute part?

A: The 100RX304R7M8X11.5 is in active production with 2109 units available in stock, ensuring reliable procurement compared to the obsolete UBW2A4R7MPD.