LP682M035E5P3

Part Overview

The LP682M035E5P3 is a 6800 µF, 35 V aluminum electrolytic capacitor manufactured by Cornell Dubilier Electronics (CDE) in a radial, can snap-in package. This component is Active in product status and intended for general-purpose applications requiring high capacitance at moderate voltage ratings. Equivalent and substitute parts are identified to address availability, performance improvements, or design optimization needs while maintaining electrical and mechanical compatibility within specified parameters.

Key Parameters

Parameter	LP682M035E5P3
Capacitance	6800 µF
Tolerance	±20%
Voltage - Rated	35 V
ESR @ 120 Hz	60 mOhm
Lifetime @ 105°C	1000 Hrs
Operating Temperature Range	-40°C ~ 105°C
Lead Spacing	0.394" (10.00 mm)
Case Diameter	1.181" (30.00 mm)
Height - Seated (Max)	1.378" (35.00 mm)
Package / Case	Radial, Can - Snap-In
Mounting Type	Through Hole
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitute parts for the LP682M035E5P3 are qualified based on the following critical electrical and mechanical parameters:

Electrical Parameters (Must Match):

Capacitance: 6800 µF
Voltage Rating: 35 V
Tolerance: ±20%
Operating Temperature Range: -40°C ~ 105°C
Polarization: Polar

Mechanical Parameters (Must Match):

Package Type: Radial, Can - Snap-In
Mounting Type: Through Hole
Lead Spacing: 0.394" (10.00 mm)

Allowable Variations:

ESR: Higher values acceptable when performance requirements permit
Lifetime @ 105°C: 3000 Hrs provides extended operational life compared to 1000 Hrs base specification
Case Diameter: Substitutes with 0.866" (22.00 mm) or 1.181" (30.00 mm) are compatible depending on PCB layout constraints
Height: Variations from 0.984" to 1.575" accommodate different mounting scenarios

Three substitute parts meet these criteria: SLP682M035E1P3 and SLP682M035A7P3 (Cornell Dubilier Electronics), and LGU1V682MELB (Nichicon).

Parameter Comparison

Parameter	LP682M035E5P3	SLP682M035E1P3	SLP682M035A7P3	LGU1V682MELB
Manufacturer	Cornell Dubilier Electronics	Cornell Dubilier Electronics	Cornell Dubilier Electronics	Nichicon
Capacitance	6800 µF	6800 µF	6800 µF	6800 µF
Tolerance	±20%	±20%	±20%	±20%
Voltage - Rated	35 V	35 V	35 V	35 V
ESR @ 120 Hz	60 mOhm	78 mOhm	78 mOhm	Not Specified
Lifetime @ 105°C	1000 Hrs	3000 Hrs	3000 Hrs	3000 Hrs
Operating Temperature Range	-40°C ~ 105°C	-40°C ~ 105°C	-40°C ~ 105°C	-40°C ~ 105°C
Ripple Current @ 120 Hz	2.286 A	2.78 A	Not Specified	2.31 A
Case Diameter	1.181" (30.00 mm)	1.181" (30.00 mm)	0.866" (22.00 mm)	1.181" (30.00 mm)
Height - Seated (Max)	1.378" (35.00 mm)	0.984" (25.00 mm)	1.575" (40.00 mm)	1.063" (27.00 mm)
Package / Case	Radial, Can - Snap-In	Radial, Can - Snap-In	Radial, Can - Snap-In	Radial, Can - Snap-In
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Lead Spacing	0.394" (10.00 mm)	0.394" (10.00 mm)	0.394" (10.00 mm)	0.394" (10.00 mm)

Engineering Selection Recommendations

All substitute parts are Active in product status and ROHS3 compliant, meeting regulatory requirements equivalent to the LP682M035E5P3. The substitutes offer extended operational lifetime (3000 hours at 105°C versus 1000 hours), providing improved reliability for long-term deployment scenarios.

SLP682M035E1P3 maintains identical case diameter (30.00 mm) and lead spacing while reducing height to 25.00 mm, making it suitable for space-constrained applications. This variant supplies slightly increased ripple current handling (2.78 A @ 120 Hz).

SLP682M035A7P3 features the smallest case diameter (22.00 mm) with extended height (40.00 mm), accommodating alternate PCB layout requirements while preserving electrical equivalence.

LGU1V682MELB from Nichicon matches the case diameter of the original part (30.00 mm) with mid-range height (27.00 mm). This option provides cross-manufacturer availability and maintains electrical compatibility.

Selection among substitutes depends on PCB footprint constraints and availability requirements rather than electrical performance differences.

Frequently Asked Questions (FAQ)

Q: Can SLP682M035E1P3 replace LP682M035E5P3 in existing designs?

A: Yes. Both parts share identical electrical specifications (6800 µF, ±20%, 35 V) and mechanical parameters (lead spacing 10.00 mm, case diameter 30.00 mm, through-hole radial package). The SLP682M035E1P3 has reduced height (25.00 mm versus 35.00 mm), which may require PCB layout verification in space-constrained areas.

Q: What is the significance of the different case diameters?

A: Case diameter affects PCB footprint. The 30.00 mm diameter parts (LP682M035E5P3, SLP682M035E1P3, LGU1V682MELB) are direct mechanical replacements. The SLP682M035A7P3 with 22.00 mm diameter fits smaller footprints but requires height verification (40.00 mm maximum seated height).

Q: Are the extended lifetime specifications (3000 hours) backwards compatible?

A: Yes. The substitute parts with 3000-hour ratings at 105°C meet or exceed the original specification of 1000 hours. Extended lifetime provides additional operational margin and does not compromise compatibility with designs specified for shorter lifetimes.

Q: Does the higher ESR in SLP682M035E1P3 and SLP682M035A7P3 affect circuit performance?

A: Both substitutes increase from 60 mOhm to 78 mOhm ESR at 120 Hz. This 18 mOhm increase is within typical design tolerances for general-purpose applications. Circuit-specific ripple current and voltage regulation requirements should be evaluated against ripple current ratings provided in datasheets.

Q: Is the Nichicon LGU1V682MELB electrically equivalent to the Cornell Dubilier parts?

A: Yes. The LGU1V682MELB meets all core electrical requirements: 6800 µF capacitance, ±20% tolerance, 35 V rating, -40°C to 105°C operating range, and 3000-hour lifetime at 105°C. Lead spacing (10.00 mm) and case diameter (30.00 mm) provide mechanical compatibility. ESR data is not specified for this variant.

Q: What compliance standards apply to all listed substitutes?

A: All parts are ROHS3 compliant and REACH unaffected, meeting current regulatory requirements for electronic component use in regulated markets.

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