LLS1C123MELZ Equivalent & Substitute Parts

Part Overview

The LLS1C123MELZ is a 12000 µF, 16 V aluminum electrolytic capacitor manufactured by Nichicon in the LLS series. This radial, can-style snap-in capacitor is rated for 3000 hours at 85°C and is designed for general-purpose applications requiring high capacitance in a compact through-hole package. The part is currently active and ROHS3 compliant. Equivalent and substitute parts are identified when component availability is limited, supply chain disruptions occur, or design requirements necessitate alternative thermal or dimensional specifications.

Substiute Parts

LLS1C123MELZ

NichiconIn Stock: 1069LLS1C123MELZ Datasheet

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LLS1C123MELA

NichiconIn Stock: 1992LLS1C123MELA Datasheet

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381LX123M016H022

Cornell Dubilier Electronics (CDE)In Stock: 996381LX123M016H022 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the LLS1C123MELZ is determined by the following critical parameters: capacitance value (12000 µF), voltage rating (16 V), tolerance (±20%), polarization (polar), package type (radial, can - snap-in), mounting type (through hole), and lead spacing (10.00 mm). All identified substitutes maintain these core electrical and mechanical specifications. Dimensional variations in diameter and height are acceptable provided the through-hole footprint and lead spacing remain unchanged, allowing direct board-level replacement without PCB redesign.

Parameter Comparison

Engineering Selection Recommendations

All three parts are active products with ROHS3 compliance and REACH unaffected status, meeting current regulatory requirements. The LLS1C123MELA is a direct Nichicon series equivalent with identical electrical specifications but different physical dimensions (larger diameter, shorter height). The 381LX123M016H022 from Cornell Dubilier Electronics offers an extended operating temperature range (-40°C ~ 105°C) and higher temperature lifetime rating (3000 Hrs @ 105°C), making it suitable for applications requiring enhanced thermal performance. Physical dimensions of the 381LX123M016H022 match the original LLS1C123MELZ, ensuring identical board-level fit. Selection should be based on thermal requirements, available inventory, and dimensional constraints within the target application.

Frequently Asked Questions (FAQ)

Q: Can LLS1C123MELA be used as a direct replacement for LLS1C123MELZ? A: Yes. Both parts share identical electrical specifications (12000 µF, 16 V, ±20%, 3000 Hrs @ 85°C) and the same through-hole lead spacing (10.00 mm). Physical dimensions differ slightly; the LLS1C123MELA has a larger diameter (25.00 mm vs. 22.00 mm) and shorter height (27.00 mm vs. 32.00 mm). Board-level compatibility depends on available space around the component footprint.

Q: What are the advantages of the 381LX123M016H022 over the original part? A: The 381LX123M016H022 extends the operating temperature range to 105°C and provides a higher temperature lifetime rating (3000 Hrs @ 105°C vs. 3000 Hrs @ 85°C). Physical dimensions are identical to the LLS1C123MELZ, ensuring direct fit. This part is recommended for applications subject to elevated ambient temperatures or thermal stress.

Q: Are all three parts pin-compatible? A: Yes. All three parts maintain the same lead spacing (0.394" / 10.00 mm) and through-hole mounting configuration, ensuring electrical and mechanical compatibility at the PCB level.

Q: Do dimensional differences affect PCB layout? A: The LLS1C123MELA has a larger diameter (25.00 mm) compared to the LLS1C123MELZ and 381LX123M016H022 (both 22.00 mm). Verify available clearance around the component location before substitution. The 381LX123M016H022 and LLS1C123MELZ are dimensionally identical and require no layout changes.

Q: Are all parts RoHS and REACH compliant? A: Yes. All three parts are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory standards.