MAL212365221 Equivalent & Substitute Parts

Part Overview

The MAL212365221 is a 220 µF, 16 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, indicating discontinuation from active production. For applications requiring continued supply or design updates, equivalent substitute parts with matching or superior electrical characteristics are necessary to maintain circuit functionality and performance.

Substiute Parts

MAL212365221

Vishay Beyschlag/Draloric/BC ComponentsIn Stock: 888MAL212365221 Datasheet

Current PartRFQ

MAL211817221E3

Vishay Beyschlag/Draloric/BC ComponentsIn Stock: 1054MAL211817221E3 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

The MAL211817221E3 qualifies as an equivalent substitute based on the following criteria:

Matching Parameters:

• Capacitance: 220 µF (identical)
• Tolerance: ±20% (identical)
• Polarization: Polar (identical)
• Package Type: Axial, Can (identical)
• Mounting Type: Through Hole (identical)

Superior or Compatible Parameters:

• Voltage Rating: 40 V (exceeds 16 V requirement, providing design margin)
• ESR: 700 mOhm (lower than 1.5 Ohm, indicating improved performance)
• Impedance: 550 mOhms (lower than 600 mOhms, indicating improved performance)
• RoHS Compliance: ROHS3 Compliant (versus non-compliant original)

The substitute part maintains functional equivalence while offering enhanced electrical characteristics and regulatory compliance suitable for modern applications.

Parameter Comparison

Engineering Selection Recommendations

The MAL211817221E3 is suitable as a direct substitute for the obsolete MAL212365221 based on the following engineering criteria:

Electrical Compatibility: The substitute maintains identical capacitance and tolerance specifications. The higher voltage rating (40 V versus 16 V) provides additional design margin and does not compromise circuit operation in applications rated for 16 V or lower.

Performance Enhancement: The substitute exhibits lower ESR (700 mOhm versus 1.5 Ohm) and impedance (550 mOhms versus 600 mOhms), resulting in improved ripple current handling and reduced heat generation.

Regulatory Compliance: The substitute is ROHS3 compliant, whereas the original is non-compliant. For new designs or applications subject to RoHS requirements, the substitute is the appropriate selection.

Availability: The substitute is classified as active product status with confirmed inventory, ensuring continued supply and procurement reliability.

Physical Considerations: The substitute exhibits slightly smaller dimensions (0.394" Dia x 1.181" L versus 0.406" Dia x 1.260" L). Verify PCB layout and mechanical clearances before implementation.

Frequently Asked Questions (FAQ)

Q: Can MAL211817221E3 replace MAL212365221 in existing designs?

A: Yes. The substitute maintains identical capacitance (220 µF) and tolerance (±20%) specifications. The higher voltage rating and improved electrical characteristics ensure functional compatibility. Verify physical dimensions against PCB layout constraints.

Q: What is the significance of the higher voltage rating on the substitute part?

A: A 40 V rated capacitor can operate safely in circuits designed for 16 V or lower. The higher rating provides design margin and does not negatively impact circuit performance. This is a standard engineering practice for component substitution.

Q: Are there differences in thermal performance between the two parts?

A: The original part specifies 20000 Hrs @ 125°C, while the substitute specifies 4000 Hrs @ 125°C. For applications requiring extended lifetime at elevated temperatures, thermal performance should be evaluated against specific circuit requirements.

Q: Does the slightly smaller physical size of the substitute affect PCB compatibility?

A: The substitute is approximately 0.079" shorter in length and 0.012" smaller in diameter. Verify that the reduced dimensions do not create mechanical clearance issues with adjacent components or PCB layout constraints.

Q: What is the difference between RoHS non-compliant and ROHS3 compliant status?

A: ROHS3 compliance indicates the substitute meets current Restriction of Hazardous Substances regulations. For applications subject to RoHS requirements or modern procurement standards, the compliant substitute is the appropriate selection.

Q: Are the operating temperature ranges compatible?

A: The original operates from -55°C to 125°C, while the substitute operates from -40°C to 125°C. For applications requiring operation below -40°C, the original specification must be maintained. For standard industrial and commercial applications, the substitute range is sufficient.