UPT2P121MHD Equivalent & Substitute Parts

Part Overview

The UPT2P121MHD is a 120 µF, 220 V aluminum electrolytic capacitor in radial configuration manufactured by Nichicon. This component is classified as Active product status and is designed for general-purpose applications requiring reliable energy storage and filtering in power supply circuits. The part is ROHS3 compliant and currently in stock with 856 units available.

Substitute parts become necessary when design requirements demand enhanced performance characteristics such as higher voltage ratings, extended operational lifetime, or improved ripple current handling capabilities while maintaining mechanical and electrical compatibility with the original circuit design.

Substiute Parts

UPT2P121MHD

NichiconIn Stock: 903UPT2P121MHD Datasheet

Current PartRFQ

UCY2E121MHD9

NichiconIn Stock: 1100UCY2E121MHD9 Datasheet

UpgradeRFQ

Key Parameters

Substitute Part Grouping Explanation

The UCY2E121MHD9 qualifies as a direct substitute for the UPT2P121MHD based on the following alignment of critical parameters:

Mechanical Compatibility:

• Identical lead spacing: 0.197" (5.00mm)
• Identical case diameter: 0.492" (12.50mm)
• Identical seated height: 1.457" (37.00mm)
• Identical mounting type: Through Hole, Radial Can configuration

Electrical Compatibility:

• Identical capacitance: 120 µF
• Identical tolerance: ±20%
• Identical polarization: Polar

Enhanced Performance Characteristics:

• Voltage rating upgrade: 250 V (vs. 220 V original)
• Extended lifetime: 12000 Hrs @ 105°C (vs. 5000 Hrs original)
• Improved ripple current handling at both low and high frequencies
• Extended operating temperature range: -40°C ~ 105°C (vs. -25°C ~ 105°C original)

Parameter Comparison

Engineering Selection Recommendations

Both the UPT2P121MHD and UCY2E121MHD9 maintain ROHS3 compliance and identical ECCN/HTSUS classifications, ensuring regulatory consistency across substitution. The UCY2E121MHD9 represents an upgrade path that maintains full mechanical and electrical compatibility while providing enhanced performance margins through higher voltage rating and extended operational lifetime.

Selection between these parts depends on circuit design requirements. The UPT2P121MHD remains appropriate for applications operating within its specified 220 V rating and 5000-hour lifetime envelope. The UCY2E121MHD9 is suitable for applications requiring higher voltage headroom, extended service life, or operation across the wider temperature range of -40°C to 105°C.

Frequently Asked Questions (FAQ)

Q: Can UCY2E121MHD9 be used as a direct replacement for UPT2P121MHD in existing PCB designs?

A: Yes. The UCY2E121MHD9 maintains identical mechanical dimensions, lead spacing, and mounting configuration. No PCB layout modifications are required.

Q: What are the key differences between these two parts?

A: The primary differences are voltage rating (250 V vs. 220 V), operational lifetime (12000 Hrs vs. 5000 Hrs @ 105°C), ripple current capacity, and operating temperature range (-40°C to 105°C vs. -25°C to 105°C).

Q: Is the higher voltage rating of UCY2E121MHD9 compatible with 220 V circuit applications?

A: Yes. A 250 V rated capacitor operates safely in 220 V applications, providing additional voltage margin and reliability.

Q: Are both parts available in the same packaging format?

A: Yes. Both parts are supplied in identical radial can configuration with 0.197" (5.00mm) lead spacing and through-hole mounting.

Q: Do both parts meet the same compliance standards?

A: Yes. Both parts are ROHS3 compliant with identical ECCN (EAR99) and HTSUS (8532.22.0020) classifications.