B43508C2687M2 Equivalent & Substitute Parts

Part Overview

The B43508C2687M2 is a 680 µF, 200 V aluminum electrolytic capacitor manufactured by EPCOS - TDK Electronics. This radial, can-style snap-in capacitor is designed for general-purpose applications requiring stable capacitance and extended operational life. The part is currently active in production with full RoHS3 compliance and REACH unaffected status. Equivalent substitute parts are identified when component availability is limited, supply chain disruptions occur, or design flexibility permits cross-platform sourcing while maintaining electrical and mechanical compatibility.

Substiute Parts

B43508C2687M2

EPCOS - TDK ElectronicsIn Stock: 1135B43508C2687M2 Datasheet

Current PartRFQ

LGN2D681MELB25

NichiconIn Stock: 1080LGN2D681MELB25 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the B43508C2687M2 is determined by strict alignment of the following critical parameters:

• Capacitance value: 680 µF (exact match required)
• Voltage rating: 200 V (exact match required)
• Tolerance: ±20% (exact match required)
• Operating temperature range: -40°C ~ 105°C (exact match required)
• Lifetime specification: 3000 Hrs @ 105°C (exact match required)
• Polarization: Polar (exact match required)
• Lead spacing: 0.394" (10.00mm) (exact match required)
• Physical dimensions: 1.181" Dia (30.00mm), Height 1.063" (27.00mm) (exact match required)
• Mounting type: Through Hole, Radial, Can - Snap-In (exact match required)
• Compliance: RoHS3 Compliant, REACH Unaffected (exact match required)

The substitute part LGN2D681MELB25 manufactured by Nichicon meets all critical electrical and mechanical parameters, enabling direct functional replacement in applications where the B43508C2687M2 is specified.

Parameter Comparison

Engineering Selection Recommendations

Both the B43508C2687M2 and LGN2D681MELB25 are active production parts with full regulatory compliance. Selection between these components should be based on:

• Availability and lead time requirements
• Supply chain sourcing preferences
• Cost considerations
• Existing inventory management protocols

Both parts satisfy RoHS3 compliance and REACH unaffected status, ensuring compatibility with current environmental and regulatory standards. The identical electrical specifications, mechanical dimensions, and thermal ratings enable direct substitution without circuit redesign or board layout modification.

Frequently Asked Questions (FAQ)

Q: Can LGN2D681MELB25 be used as a direct replacement for B43508C2687M2?

A: Yes. Both parts share identical capacitance (680 µF), voltage rating (200 V), tolerance (±20%), operating temperature range (-40°C ~ 105°C), lifetime specification (3000 Hrs @ 105°C), and physical dimensions (1.181" Dia, 1.063" height). Lead spacing (10.00mm) and snap-in mounting are identical. No circuit or board modifications are required.

Q: Are there differences in ESR or ripple current specifications?

A: The B43508C2687M2 specifies 170 mOhm ESR @ 100Hz and 1.48 A ripple current @ 100 Hz. The LGN2D681MELB25 does not provide ESR data but specifies 1.75 A @ 120 Hz and 2.625 A @ 50 kHz ripple current. Both parts meet the 3000 Hrs @ 105°C lifetime requirement and are suitable for general-purpose applications.

Q: Do both parts have the same compliance certifications?

A: Yes. Both the B43508C2687M2 and LGN2D681MELB25 are RoHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements.

Q: What is the lead spacing and mounting configuration?

A: Both parts feature 0.394" (10.00mm) lead spacing with radial, can-style snap-in mounting for through-hole PCB assembly. Physical dimensions are identical: 1.181" diameter and 1.063" maximum seated height.

Q: Can these parts be used interchangeably in existing designs?

A: Yes. Identical electrical ratings, mechanical dimensions, and mounting configuration enable direct substitution without design changes or board layout modifications.