MAL212367689 Equivalent & Substitute Parts

Part Overview

The MAL212367689 is a 68 µF, 40 V aluminum electrolytic capacitor in axial configuration, manufactured by Vishay Beyschlag/Draloric/BC Components as part of the 123 SAL-A series. This component is classified as obsolete, making identification of suitable substitutes necessary for ongoing design support and production continuity. The part features a 4.7 Ohm equivalent series resistance at 100 Hz and is rated for 20,000 hours at 125°C operating temperature.

Substiute Parts

MAL212367689

Vishay Beyschlag/Draloric/BC ComponentsIn Stock: 713MAL212367689 Datasheet

Current PartRFQ

MAL211819689E3

Vishay Beyschlag/Draloric/BC ComponentsIn Stock: 910MAL211819689E3 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the MAL212367689 is determined by the following critical parameters:

• Capacitance Value: Must remain 68 µF (±20% tolerance maintained)
• Polarization: Must be polar (electrolytic)
• Mounting Type: Must be through-hole axial configuration
• Package / Case: Must be axial, can format
• Operating Temperature Range: Must support -55°C ~ 125°C minimum
• Voltage Rating: Must equal or exceed the original 40 V rating

The substitute part MAL211819689E3 meets these core substitution criteria while offering improved electrical characteristics and active product status.

Parameter Comparison

Engineering Selection Recommendations

The MAL211819689E3 serves as a direct functional substitute for the MAL212367689 based on matching capacitance, tolerance, polarization, and mounting configuration. The substitute part offers the following advantages:

• Active Product Status: The MAL211819689E3 is actively manufactured, ensuring long-term availability and supply chain stability compared to the obsolete MAL212367689.
• Improved Compliance: The substitute achieves ROHS3 compliance, whereas the original is RoHS non-compliant, supporting modern regulatory requirements.
• Enhanced Electrical Performance: The substitute exhibits lower ESR (1.8 Ohm versus 4.7 Ohm), reducing heat dissipation and improving circuit efficiency.
• Higher Voltage Rating: The 100 V rating provides additional design margin over the original 40 V specification, allowing operation in circuits with voltage transients or future design modifications.

Physical dimensions differ slightly (0.492" Dia x 1.181" L versus 0.406" Dia x 1.260" L), requiring verification of PCB layout and mechanical clearance before implementation.

Frequently Asked Questions (FAQ)

Q: Can MAL211819689E3 be used as a direct replacement for MAL212367689?

A: Yes, the MAL211819689E3 meets the core substitution criteria: identical 68 µF capacitance, ±20% tolerance, polar electrolytic configuration, through-hole axial mounting, and compatible operating temperature range. Physical dimensions differ slightly and must be verified against PCB layout constraints.

Q: What is the impact of the higher 100 V rating on circuit operation?

A: The 100 V rating of the substitute part is compatible with circuits designed for 40 V operation. The higher voltage rating does not affect circuit function and provides additional safety margin against voltage transients or overvoltage conditions.

Q: How does the lower ESR of the substitute part affect performance?

A: The substitute part's ESR of 1.8 Ohm (compared to 4.7 Ohm) results in lower impedance and reduced heat generation during operation. This improves overall circuit efficiency and thermal performance, particularly in high-ripple-current applications.

Q: Are there mechanical compatibility concerns with the different physical dimensions?

A: The substitute part has a slightly larger diameter (0.492" versus 0.406") and shorter length (1.181" versus 1.260"). PCB layout, component spacing, and mechanical clearance must be verified to ensure the substitute fits within the available space.

Q: What is the significance of the RoHS3 compliance difference?

A: The substitute part's ROHS3 compliance aligns with current environmental and regulatory standards, whereas the original part is RoHS non-compliant. For new designs or production requiring regulatory compliance, the substitute is the appropriate choice.

Q: Does the lower lifetime rating (8,000 Hrs versus 20,000 Hrs at 125°C) affect suitability?

A: The substitute part's 8,000-hour rating at 125°C remains suitable for general-purpose applications. Applications requiring extended operational life at elevated temperatures should evaluate this parameter against specific design requirements.