LLS1E682MELZ Equivalent & Substitute Parts

Part Overview

The LLS1E682MELZ is a 6800 µF, 25 V aluminum electrolytic capacitor in radial, can snap-in package manufactured by Nichicon. This component is rated for 3000 hours at 85°C and is designed for general-purpose applications requiring high capacitance in a compact through-hole form factor. The part is Active status and ROHS3 compliant.

Equivalent and substitute parts are necessary when the primary part is unavailable, when extended operating temperature ranges are required, or when improved lifetime specifications are needed for specific application demands.

Key Parameters

Parameter	Value
Capacitance	6800 µF
Voltage Rating	25 V
Tolerance	±20%
Package Type	Radial, Can - Snap-In
Mounting Type	Through Hole
Lead Spacing	0.394" (10.00 mm)
Operating Temperature Range	-40°C ~ 85°C
Lifetime Rating	3000 Hrs @ 85°C
Polarization	Polar
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the LLS1E682MELZ is determined by the following mandatory parameters:

Capacitance: 6800 µF (exact match required)
Voltage Rating: 25 V (exact match required)
Tolerance: ±20% (exact match required)
Package Type: Radial, Can - Snap-In (exact match required)
Lead Spacing: 0.394" (10.00 mm) (exact match required)
Mounting Type: Through Hole (exact match required)
Polarization: Polar (exact match required)

Substitute parts are classified into three categories:

Direct Manufacturer Substitutes (Nichicon LGU1E682MELZ, LGY1E682MELZ30): These parts maintain identical electrical and mechanical specifications while offering extended operating temperature ranges (-40°C ~ 105°C) and improved lifetime ratings (3000 Hrs @ 105°C or 5000 Hrs @ 105°C).

Similar Manufacturer Substitute (Nichicon LLS1E682MELA): This part shares the same series, capacitance, voltage, and tolerance but differs in physical dimensions (0.984" diameter, 1.063" height versus 0.866" diameter, 1.260" height of the main part). Mechanical compatibility must be verified for the specific application.

Parametric Equivalents (Cornell Dubilier Electronics SLPX682M025A3P3, 380LX682M025H022): These parts from alternative manufacturers meet all electrical and mechanical specifications. They differ in ESR characteristics and ripple current performance at specific frequencies but maintain the same capacitance, voltage, tolerance, package type, and lead spacing.

Parameter Comparison

Part Number	Manufacturer	Series	Capacitance	Voltage	Tolerance	Size (Dia)	Height (Max)	Lead Spacing	Lifetime @ Temp	Operating Temp Range	Ripple Current @ 120 Hz	RoHS Status
LLS1E682MELZ	Nichicon	LLS	6800 µF	25 V	±20%	0.866" (22.00 mm)	1.260" (32.00 mm)	0.394" (10.00 mm)	3000 Hrs @ 85°C	-40°C ~ 85°C	2.56 A @ 120 Hz	ROHS3 Compliant
LGU1E682MELZ	Nichicon	LGU	6800 µF	25 V	±20%	0.866" (22.00 mm)	1.260" (32.00 mm)	0.394" (10.00 mm)	3000 Hrs @ 105°C	-40°C ~ 105°C	1.91 A @ 120 Hz	ROHS3 Compliant
LGY1E682MELZ30	Nichicon	LGY	6800 µF	25 V	±20%	0.866" (22.00 mm)	1.260" (32.00 mm)	0.394" (10.00 mm)	5000 Hrs @ 105°C	-40°C ~ 105°C	1.9 A @ 120 Hz	ROHS3 Compliant
LLS1E682MELA	Nichicon	LLS	6800 µF	25 V	±20%	0.984" (25.00 mm)	1.063" (27.00 mm)	0.394" (10.00 mm)	3000 Hrs @ 85°C	-40°C ~ 85°C	2.47 A @ 120 Hz	ROHS3 Compliant
SLPX682M025A3P3	Cornell Dubilier Electronics	SLPX	6800 µF	25 V	±20%	0.866" (22.00 mm)	1.181" (30.00 mm)	0.394" (10.00 mm)	3000 Hrs @ 85°C	-40°C ~ 85°C	2.56 A @ 120 Hz	ROHS3 Compliant
380LX682M025H022	Cornell Dubilier Electronics	380LX	6800 µF	25 V	±20%	0.866" (22.00 mm)	1.260" (32.00 mm)	0.394" (10.00 mm)	3000 Hrs @ 85°C	-40°C ~ 85°C	2.63 A @ 120 Hz	ROHS3 Compliant

Engineering Selection Recommendations

All listed substitute parts maintain Active product status and ROHS3 compliance, ensuring regulatory alignment with the original LLS1E682MELZ specification.

For applications requiring extended operating temperature capability beyond 85°C, the Nichicon LGU1E682MELZ and LGY1E682MELZ30 are direct substitutes with identical mechanical footprints. The LGY1E682MELZ30 provides the highest lifetime rating at 5000 hours @ 105°C.

For applications with strict physical dimension constraints, the LLS1E682MELA differs in can diameter and height and requires mechanical compatibility verification before selection.

For applications where alternative manufacturer sourcing is acceptable, the Cornell Dubilier Electronics SLPX682M025A3P3 and 380LX682M025H022 provide equivalent electrical and mechanical specifications with identical lead spacing and mounting type. The 380LX682M025H022 offers lower ESR (78 mOhm @ 120 Hz) compared to the main part specification.

Frequently Asked Questions (FAQ)

Q: Can LGU1E682MELZ be used as a direct replacement for LLS1E682MELZ?

A: Yes. Both parts share identical capacitance (6800 µF), voltage rating (25 V), tolerance (±20%), package type (Radial, Can - Snap-In), lead spacing (0.394"), and physical dimensions (0.866" diameter, 1.260" height). The LGU1E682MELZ extends the operating temperature range to 105°C and maintains 3000-hour lifetime at that temperature.

Q: What is the difference between LGY1E682MELZ30 and LGU1E682MELZ?

A: Both parts are Nichicon products with identical electrical and mechanical specifications. The primary difference is lifetime rating: LGY1E682MELZ30 is rated for 5000 hours @ 105°C, while LGU1E682MELZ is rated for 3000 hours @ 105°C. Both support the extended -40°C ~ 105°C operating temperature range.

Q: Can LLS1E682MELA replace LLS1E682MELZ in any application?

A: LLS1E682MELA maintains the same electrical specifications but differs in physical dimensions. The can diameter is 0.984" (versus 0.866") and height is 1.063" (versus 1.260"). Mechanical compatibility with the PCB layout and enclosure must be verified before substitution.

Q: Are Cornell Dubilier Electronics parts compatible with Nichicon specifications?

A: Yes. SLPX682M025A3P3 and 380LX682M025H022 meet all mandatory electrical and mechanical parameters: 6800 µF capacitance, 25 V voltage rating, ±20% tolerance, 0.394" lead spacing, and through-hole radial snap-in package. Both are ROHS3 compliant and rated for 3000 hours @ 85°C.

Q: What does ESR (Equivalent Series Resistance) indicate for capacitor selection?

A: ESR affects ripple current handling and heat dissipation. The 380LX682M025H022 specifies 78 mOhm @ 120 Hz, while SLPX682M025A3P3 specifies 88 mOhm @ 120 Hz. Lower ESR generally indicates better high-frequency performance. Selection depends on application ripple current requirements.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts, including both Nichicon and Cornell Dubilier Electronics products, are ROHS3 compliant and REACH unaffected, matching the compliance status of the main part LLS1E682MELZ.

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