Equivalent & Substitute Parts for 338KXM050M

Part Overview

The Cornell Dubilier 338KXM050M is a 3300 µF, 50 V aluminum electrolytic capacitor in radial, can package configuration. This component is classified as Active product status and is designed for general purpose applications. The part operates across a temperature range of -55°C to 105°C with a rated lifetime of 5000 hours at 105°C. Substitute parts are identified to provide alternative sourcing options when the primary part becomes unavailable or when specific performance characteristics are required for particular application requirements.

Substiute Parts

338KXM050M

Cornell Dubilier / Illinois CapacitorIn Stock: 868338KXM050M Datasheet

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MAL215051332E3

Vishay Beyschlag/Draloric/BC ComponentsIn Stock: 1499MAL215051332E3 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution of the 338KXM050M with the MAL215051332E3 is based on electrical and mechanical parameter equivalence. Both parts share identical capacitance (3300 µF), voltage rating (50 V), and tolerance (±20%). Both components feature polar aluminum electrolytic construction in radial, can package configuration with through-hole mounting. Lead spacing and physical diameter are identical at 7.50 mm and 18.00 mm respectively. Height dimensions are within 0.5 mm tolerance (42.00 mm versus 42.50 mm maximum seated height). Operating temperature range is identical across both parts (-55°C to 105°C). Both parts are RoHS3 compliant and REACH unaffected. The substitute part MAL215051332E3 provides extended lifetime rating (10000 hours at 105°C versus 5000 hours) and lower impedance characteristics (24 mOhms versus 46 mOhms), with AEC-Q200 automotive qualification.

Parameter Comparison

Engineering Selection Recommendations

Both the 338KXM050M and MAL215051332E3 are active product status components with full RoHS3 compliance and REACH unaffected status. The primary part, 338KXM050M, is suitable for general purpose applications requiring standard performance characteristics. The substitute part, MAL215051332E3, carries AEC-Q200 automotive qualification and provides extended operational lifetime (10000 hours at 105°C versus 5000 hours), making it applicable for automotive and mission-critical applications requiring enhanced reliability. The substitute part also features reduced impedance (24 mOhms versus 46 mOhms), which may provide performance advantages in high-frequency ripple current applications. Both parts are mechanically and electrically interchangeable within the specified parameter tolerances. Selection between these parts should be based on application requirements, supply availability, and compliance certifications needed for the end application.

Frequently Asked Questions (FAQ)

Q: Are the 338KXM050M and MAL215051332E3 electrically interchangeable?

A: Yes. Both parts share identical capacitance (3300 µF), voltage rating (50 V), tolerance (±20%), and operating temperature range (-55°C to 105°C). Both are polar aluminum electrolytic capacitors with identical lead spacing (7.50 mm) and physical diameter (18.00 mm).

Q: What is the difference in physical dimensions between these parts?

A: The maximum seated height differs by 0.5 mm. The 338KXM050M has a maximum height of 42.00 mm, while the MAL215051332E3 has a maximum height of 42.50 mm. Both parts fit within standard radial can package specifications and are compatible with identical PCB footprints.

Q: Why does the MAL215051332E3 have a lower impedance rating?

A: The impedance specification (24 mOhms versus 46 mOhms) reflects the electrical characteristics of the substitute part. Lower impedance generally indicates improved performance in high-frequency ripple current applications. This is a characteristic difference between the two part series and does not affect basic substitution compatibility.

Q: What is the significance of the AEC-Q200 rating on the MAL215051332E3?

A: AEC-Q200 is an automotive qualification standard. The MAL215051332E3 meets automotive industry reliability and quality requirements, making it suitable for automotive applications. The primary part 338KXM050M does not carry this certification and is designated for general purpose use.

Q: Does the extended lifetime rating of the MAL215051332E3 affect substitution compatibility?

A: No. The extended lifetime (10000 hours at 105°C versus 5000 hours) is an enhanced characteristic of the substitute part. Both parts meet the minimum operational requirements for general purpose applications. The substitute part provides additional margin for applications requiring extended service life.

Q: Are both parts RoHS3 compliant?

A: Yes. Both the 338KXM050M and MAL215051332E3 are RoHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements for electronic components.