LGUW6101MELY Equivalent & Substitute Parts

Part Overview

The LGUW6101MELY is a 100 µF, 420 V aluminum electrolytic capacitor manufactured by Nichicon in the LGU series. This radial, can-style snap-in capacitor is designed for general purpose applications with a rated lifetime of 3000 hours at 105°C. The part is Active status and ROHS3 compliant. Substitute parts are identified when equivalent electrical performance and mechanical compatibility can be maintained within the specified parameter tolerances for this capacitor category.

Substiute Parts

LGUW6101MELY

NichiconIn Stock: 1086LGUW6101MELY Datasheet

Current PartRFQ

LGNW6101MELY30

NichiconIn Stock: 1255LGNW6101MELY30 Datasheet

DirectRFQ

LGNW6101MELZ25

NichiconIn Stock: 1121LGNW6101MELZ25 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the LGUW6101MELY is determined by strict equivalence in the following electrical and mechanical parameters:

• Capacitance: 100 µF (exact match required)
• Voltage Rating: 420 V (exact match required)
• Tolerance: ±20% (exact match required)
• Lifetime: 3000 Hrs @ 105°C (exact match required)
• Operating Temperature: -25°C ~ 105°C (exact match required)
• Polarization: Polar (exact match required)
• Package Type: Radial, Can - Snap-In (exact match required)
• Mounting Type: Through Hole (exact match required)
• Lead Spacing: 0.394" (10.00 mm) (exact match required)

All identified substitute parts meet these core electrical and mechanical criteria. Variations in physical dimensions (diameter and height) and ripple current ratings are permitted within the allowed parameter set for this product category, provided all core specifications remain equivalent.

Parameter Comparison

Engineering Selection Recommendations

All three parts—LGUW6101MELY, LGNW6101MELY30, and LGNW6101MELZ25—are Active status products from Nichicon with ROHS3 compliance and REACH Unaffected designation. Selection between these parts is based on physical space constraints and ripple current requirements within the application circuit.

LGUW6101MELY (LGU series) provides the highest ripple current capacity at 1.001 A @ 50 kHz and occupies the largest footprint at 0.787" diameter and 1.378" height.

LGNW6101MELY30 (LGN series) offers reduced physical dimensions (0.787" diameter, 1.260" height) with lower ripple current ratings (943.8 mA @ 50 kHz).

LGNW6101MELZ25 (LGN series) provides the most compact form factor (0.866" diameter, 1.063" height) with equivalent ripple current performance to LGNW6101MELY30 (943.8 mA @ 50 kHz).

All parts maintain identical electrical specifications: 100 µF capacitance, 420 V rating, ±20% tolerance, 3000 hour lifetime at 105°C, and -25°C to 105°C operating range.

Frequently Asked Questions (FAQ)

Q: Can LGNW6101MELY30 replace LGUW6101MELY in all applications?

A: LGNW6101MELY30 is electrically equivalent to LGUW6101MELY across all core parameters: capacitance, voltage rating, tolerance, lifetime, and operating temperature. However, ripple current capacity is lower (943.8 mA @ 50 kHz versus 1.001 A @ 50 kHz). Physical dimensions are also reduced. Substitution is valid only if the application circuit does not exceed the lower ripple current specification and if the smaller form factor fits the available PCB space.

Q: What is the difference between LGNW6101MELY30 and LGNW6101MELZ25?

A: Both parts are electrically identical with 100 µF capacitance, 420 V rating, and equivalent ripple current performance (943.8 mA @ 50 kHz). The primary difference is physical size: LGNW6101MELY30 measures 0.787" diameter × 1.260" height, while LGNW6101MELZ25 measures 0.866" diameter × 1.063" height. Selection depends on available PCB space and mounting constraints.

Q: Are all three parts pin-compatible?

A: Yes. All three parts share identical lead spacing of 0.394" (10.00 mm) and use the same Through Hole, Radial, Can - Snap-In package type. They are mechanically compatible with the same PCB footprint.

Q: Do all substitute parts meet the same compliance standards?

A: Yes. LGUW6101MELY, LGNW6101MELY30, and LGNW6101MELZ25 are all ROHS3 compliant and REACH Unaffected. All parts carry Active product status from Nichicon.

Q: What is the significance of the series designation (LGU versus LGN)?

A: The series designation indicates the product line within Nichicon's aluminum electrolytic capacitor portfolio. Both LGU and LGN series meet the specified electrical and mechanical requirements for this 100 µF, 420 V application. Series differences do not affect substitution eligibility when all core parameters are equivalent.