LP332M050E3P3 Equivalent & Substitute Parts Reference

Part Overview

The LP332M050E3P3 is a 3300 µF, 50 V aluminum electrolytic capacitor manufactured by Cornell Dubilier Electronics (CDE) in a radial, can snap-in package. This component is classified as Active product status and is designed for general-purpose applications requiring polarized capacitive energy storage. The part operates across a temperature range of -40°C to 105°C with a rated lifetime of 1000 hours at 105°C. Equivalent and substitute parts are identified to address inventory availability, extended operational lifetime requirements, or voltage rating upgrades while maintaining core electrical and mechanical compatibility.

Key Parameters

Parameter	Value	Unit
Capacitance	3300	µF
Voltage - Rated	50	V
Tolerance	±20%	-
ESR @ 120Hz	101	mOhm
Lifetime @ 105°C	1000	Hrs
Operating Temperature Range	-40 to 105	°C
Lead Spacing	10.00	mm
Diameter	30.00	mm
Height - Seated (Max)	30.00	mm
Package Type	Radial, Can - Snap-In	-
Mounting Type	Through Hole	-
RoHS Status	ROHS3 Compliant	-

Substitute Part Grouping Explanation

Substitute parts for the LP332M050E3P3 are classified based on the following substitution criteria:

Direct Equivalents (Same Electrical Ratings): Parts maintaining identical capacitance (3300 µF), voltage rating (50 V), tolerance (±20%), lead spacing (10.00 mm), and package configuration (Radial, Can - Snap-In, Through Hole).

Extended Lifetime Equivalents: Parts with identical electrical ratings but extended operational lifetime at 105°C (3000 hours versus 1000 hours), allowing for applications requiring longer service intervals.

Voltage Upgrade Substitutes: Parts with identical capacitance and tolerance but rated at higher voltage (63 V instead of 50 V), suitable for circuits where voltage margin enhancement is required.

Mechanical Compatibility: All substitute parts maintain the same lead spacing (10.00 mm) and snap-in package configuration, ensuring PCB footprint compatibility. Dimensional variations in diameter and height are noted but do not affect electrical substitution validity.

Compliance Baseline: All parts listed maintain ROHS3 compliance, REACH unaffected status, and EAR99 ECCN classification, ensuring regulatory consistency.

Parameter Comparison

Parameter	LP332M050E3P3	381LX332M050J022	SLP332M050C3P3	EKMH630VSN332MR30S
Manufacturer	Cornell Dubilier Electronics	Cornell Dubilier Electronics	Cornell Dubilier Electronics	Chemi-Con
Capacitance	3300 µF	3300 µF	3300 µF	3300 µF
Voltage - Rated	50 V	50 V	50 V	63 V
Tolerance	±20%	±20%	±20%	±20%
ESR @ 120Hz	101 mOhm	Not Specified	141 mOhm	75 mOhm
Lifetime @ 105°C	1000 Hrs	3000 Hrs	3000 Hrs	2000 Hrs
Operating Temperature	-40 to 105°C	-40 to 105°C	-40 to 105°C	-40 to 105°C
Ripple Current @ 120Hz	1.76 A	2.0 A	Not Specified	2.24 A
Lead Spacing	10.00 mm	10.00 mm	10.00 mm	10.00 mm
Diameter	30.00 mm	25.00 mm	25.00 mm	30.00 mm
Height - Seated (Max)	30.00 mm	32.00 mm	30.00 mm	30.00 mm
Package Type	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

Engineering Selection Recommendations

381LX332M050J022 (Extended Lifetime Equivalent): This Cornell Dubilier Electronics part maintains identical electrical specifications (3300 µF, 50 V, ±20% tolerance) with extended operational lifetime of 3000 hours at 105°C compared to 1000 hours for the LP332M050E3P3. The 381LX series is suitable for applications requiring longer service intervals without voltage margin changes. Diameter reduction from 30.00 mm to 25.00 mm may provide space optimization benefits. Active product status and ROHS3 compliance ensure regulatory consistency.

SLP332M050C3P3 (Extended Lifetime Equivalent): This Cornell Dubilier Electronics part provides identical capacitance, voltage, and tolerance specifications with 3000-hour lifetime at 105°C. ESR is specified at 141 mOhm, representing a 40% increase over the LP332M050E3P3. Diameter is reduced to 25.00 mm with height maintained at 30.00 mm. Active product status and ROHS3 compliance are maintained.

EKMH630VSN332MR30S (Voltage Upgrade Substitute): This Chemi-Con part provides voltage rating upgrade to 63 V while maintaining 3300 µF capacitance and ±20% tolerance. ESR is reduced to 75 mOhm, providing improved performance characteristics. Lifetime is specified at 2000 hours at 105°C. Dimensional compatibility is maintained with 30.00 mm diameter and height. Active product status and ROHS3 compliance are confirmed. This part is suitable for circuits requiring enhanced voltage margin.

All substitute parts maintain through-hole mounting configuration, snap-in package type, and 10.00 mm lead spacing, ensuring PCB footprint compatibility with the original LP332M050E3P3 design.

Frequently Asked Questions (FAQ)

Q: Can the 381LX332M050J022 be used as a direct replacement for the LP332M050E3P3?

A: Yes. Both parts share identical capacitance (3300 µF), voltage rating (50 V), tolerance (±20%), lead spacing (10.00 mm), and snap-in package configuration. The 381LX332M050J022 provides extended lifetime (3000 hours at 105°C versus 1000 hours), making it a compatible upgrade. Diameter reduction from 30.00 mm to 25.00 mm does not affect electrical substitution.

Q: What is the difference between the SLP332M050C3P3 and the LP332M050E3P3?

A: Both parts maintain identical electrical ratings (3300 µF, 50 V, ±20% tolerance) and lead spacing (10.00 mm). The SLP332M050C3P3 offers extended lifetime (3000 hours at 105°C) and lower ESR (141 mOhm versus 101 mOhm). Diameter is reduced to 25.00 mm. These differences do not prevent substitution in the same PCB footprint.

Q: When should the EKMH630VSN332MR30S voltage upgrade be selected?

A: The EKMH630VSN332MR30S is selected when circuit design requires voltage margin enhancement beyond the original 50 V specification. The 63 V rating provides additional safety margin in applications subject to voltage transients or overvoltage conditions. Electrical substitution is valid because capacitance, tolerance, and lead spacing remain unchanged.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts (381LX332M050J022, SLP332M050C3P3, and EKMH630VSN332MR30S) are ROHS3 compliant and REACH unaffected, maintaining regulatory consistency with the original LP332M050E3P3.

Q: Does the diameter difference between parts affect PCB compatibility?

A: Lead spacing (10.00 mm) and snap-in package configuration remain constant across all parts, ensuring PCB footprint compatibility. Diameter variations (30.00 mm versus 25.00 mm) do not affect electrical connection or mounting. Physical space availability in the enclosure should be verified for parts with reduced diameter.

Q: What is the significance of ESR differences among substitute parts?

A: ESR (Equivalent Series Resistance) affects ripple current handling and thermal performance. The LP332M050E3P3 specifies 101 mOhm at 120 Hz. The EKMH630VSN332MR30S provides lower ESR (75 mOhm), improving ripple current capacity. The SLP332M050C3P3 specifies higher ESR (141 mOhm). ESR differences do not prevent substitution but should be evaluated for applications with high ripple current requirements.

Q: Can the LP332M050E3P3 be replaced with a lower voltage-rated part?

A: No. Substitution with lower voltage ratings is not permitted. The LP332M050E3P3 is rated at 50 V. Only parts rated at 50 V or higher (such as the EKMH630VSN332MR30S at 63 V) are acceptable substitutes.

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