Nichicon LLS1H682MELZ 6800 µF 50 V Aluminum Electrolytic Capacitor Equivalent & Substitute Parts

Part Overview

The Nichicon LLS1H682MELZ is a 6800 µF, 50 V aluminum electrolytic capacitor in radial, can snap-in package configuration. This component is rated for 3000 hours at 85°C operating temperature and is designed for general-purpose applications requiring high capacitance values in compact through-hole mounting formats. The part maintains active product status with full RoHS3 compliance and REACH unaffected designation. Equivalent and substitute parts are identified based on matching electrical specifications and mechanical compatibility within the aluminum electrolytic capacitor category.

Key Parameters

Parameter	Value
Capacitance	6800 µF
Voltage Rating	50 V
Tolerance	±20%
Lifetime @ Temperature	3000 Hrs @ 85°C
Operating Temperature Range	-40°C ~ 85°C
Polarization	Polar
Lead Spacing	0.394" (10.00 mm)
Package Type	Radial, Can - Snap-In
Mounting Type	Through Hole
RoHS Status	RoHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the Nichicon LLS1H682MELZ is determined by the following mandatory parameters:

Capacitance: 6800 µF (exact match required)
Voltage Rating: 50 V (exact match required)
Tolerance: ±20% (exact match required)
Polarization: Polar (exact match required)
Lead Spacing: 0.394" (10.00 mm) (exact match required)
Package Type: Radial, Can - Snap-In (exact match required)
Mounting Type: Through Hole (exact match required)

Substitute parts are grouped into two categories: Nichicon series variants (LLS1H682MELA, LLS1H682MELB) and Cornell Dubilier Electronics (CDE) SLPX series direct equivalents (SLPX682M050A9P3, SLPX682M050C7P3, SLPX682M050E5P3). All listed substitutes maintain identical electrical ratings and mechanical compatibility. The CDE 380LQ682M050J022 is included as a similar alternative with reduced lifetime specification (2000 Hrs @ 85°C) and lower ripple current ratings.

Parameter Comparison

Part Number	Manufacturer	Capacitance	Voltage	Tolerance	Lifetime @ 85°C	Size Dia	Height (Max)	Lead Spacing	Ripple Current @ 120 Hz	ESR @ 120 Hz	RoHS Status
LLS1H682MELZ	Nichicon	6800 µF	50 V	±20%	3000 Hrs	0.866" (22.00 mm)	2.047" (52.00 mm)	0.394" (10.00 mm)	3.94 A	—	RoHS3
LLS1H682MELA	Nichicon	6800 µF	50 V	±20%	3000 Hrs	0.984" (25.00 mm)	1.654" (42.00 mm)	0.394" (10.00 mm)	3.87 A	—	RoHS3
LLS1H682MELB	Nichicon	6800 µF	50 V	±20%	3000 Hrs	1.181" (30.00 mm)	1.457" (37.00 mm)	0.394" (10.00 mm)	3.93 A	—	RoHS3
SLPX682M050A9P3	Cornell Dubilier Electronics	6800 µF	50 V	±20%	3000 Hrs	0.866" (22.00 mm)	1.969" (50.00 mm)	0.394" (10.00 mm)	3.94 A	68 mOhm	RoHS3
SLPX682M050C7P3	Cornell Dubilier Electronics	6800 µF	50 V	±20%	3000 Hrs	0.984" (25.00 mm)	1.575" (40.00 mm)	0.394" (10.00 mm)	3.87 A	68 mOhm	RoHS3
SLPX682M050E5P3	Cornell Dubilier Electronics	6800 µF	50 V	±20%	3000 Hrs	1.181" (30.00 mm)	1.378" (35.00 mm)	0.394" (10.00 mm)	3.93 A	68 mOhm	RoHS3
380LQ682M050J022	Cornell Dubilier Electronics	6800 µF	50 V	±20%	2000 Hrs	0.984" (25.00 mm)	1.260" (32.00 mm)	0.394" (10.00 mm)	3.22 A	73 mOhm	RoHS3

Engineering Selection Recommendations

All substitute parts listed maintain active product status and full RoHS3 compliance. Selection between Nichicon LLS series variants and Cornell Dubilier SLPX series is determined by available inventory, physical envelope constraints, and ripple current requirements specific to the application circuit.

Nichicon LLS1H682MELA and LLS1H682MELB provide dimensional variations while maintaining identical electrical specifications and 3000-hour lifetime rating. These parts are suitable for direct substitution where Nichicon sourcing is preferred.

Cornell Dubilier SLPX682M050A9P3, SLPX682M050C7P3, and SLPX682M050E5P3 offer equivalent performance with documented ESR specifications (68 mOhm @ 120 Hz) and 3000-hour lifetime ratings. These parts provide alternative sourcing with comparable ripple current handling.

The Cornell Dubilier 380LQ682M050J022 operates at reduced lifetime specification (2000 Hrs @ 85°C) and lower ripple current ratings (3.22 A @ 120 Hz). This part is suitable only for applications where reduced thermal stress and lower ripple current demands are acceptable.

Frequently Asked Questions (FAQ)

Q: Can LLS1H682MELA be used as a direct replacement for LLS1H682MELZ?

A: Yes. Both parts share identical electrical specifications: 6800 µF capacitance, 50 V voltage rating, ±20% tolerance, 3000-hour lifetime at 85°C, and 0.394" lead spacing. Physical dimensions differ (diameter and height), so PCB layout space availability must be confirmed.

Q: What is the primary difference between Nichicon LLS series and Cornell Dubilier SLPX series?

A: Both series meet identical electrical requirements. SLPX parts provide documented ESR specifications (68 mOhm @ 120 Hz), while LLS parts do not specify ESR in the provided data. Both maintain 3000-hour lifetime ratings and RoHS3 compliance.

Q: Is the Cornell Dubilier 380LQ682M050J022 a suitable substitute?

A: The 380LQ682M050J022 maintains matching capacitance, voltage, tolerance, and lead spacing. However, it operates at reduced lifetime (2000 Hrs @ 85°C versus 3000 Hrs) and lower ripple current (3.22 A @ 120 Hz versus 3.94 A). Use only in applications where these reduced specifications are acceptable.

Q: Do all substitute parts use the same snap-in mounting configuration?

A: Yes. All listed parts use radial, can snap-in package type with through-hole mounting and 0.394" (10.00 mm) lead spacing, ensuring mechanical compatibility with existing PCB designs.

Q: What physical envelope constraints should be considered when selecting a substitute?

A: Nichicon LLS1H682MELZ measures 0.866" diameter × 2.047" height. Substitutes vary: LLS1H682MELA (0.984" × 1.654"), LLS1H682MELB (1.181" × 1.457"), SLPX682M050A9P3 (0.866" × 1.969"), SLPX682M050C7P3 (0.984" × 1.575"), SLPX682M050E5P3 (1.181" × 1.378"), and 380LQ682M050J022 (0.984" × 1.260"). Verify available PCB space before selection.

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