380LQ331M450J052 Equivalent & Substitute Parts Reference

Part Overview

The 380LQ331M450J052 is a 330 µF, 450 V aluminum electrolytic capacitor manufactured by Cornell Dubilier Electronics (CDE) in the 380LQ series. This radial, can-style snap-in capacitor is designed for general-purpose applications requiring high voltage energy storage and filtering. The part is Active status and ROHS3 compliant, suitable for through-hole mounting in industrial and commercial equipment.

Equivalent and substitute parts are necessary when the primary part number becomes unavailable, when inventory constraints require alternative sourcing, or when design flexibility permits selection from multiple qualified manufacturers meeting identical electrical and mechanical specifications.

Key Parameters

Parameter	Value	Unit	Substitution Relevance
Capacitance	330	µF	Critical - must match exactly
Voltage Rating	450	V	Critical - must match exactly
Tolerance	±20%	-	Critical - must match exactly
Mounting Type	Through Hole	-	Critical - determines PCB compatibility
Package Type	Radial, Can - Snap-In	-	Critical - determines mechanical fit
Lead Spacing	0.394" (10.00mm)	-	Critical - determines hole pattern compatibility
Operating Temperature Range	-25°C ~ 85°C	-	Important - defines thermal operating envelope
Polarization	Polar	-	Critical - determines circuit polarity requirements
RoHS Status	ROHS3 Compliant	-	Important - regulatory compliance requirement

Substitute Part Grouping Explanation

Substitution logic for the 380LQ331M450J052 is based strictly on the following allowed parameters:

Critical Matching Parameters:

Capacitance: 330 µF (exact match required)
Voltage Rating: 450 V (exact match required)
Tolerance: ±20% (exact match required)
Mounting Type: Through Hole (exact match required)
Package Type: Radial, Can - Snap-In (exact match required)
Lead Spacing: 0.394" (10.00mm) (exact match required)
Polarization: Polar (exact match required)

Flexible Parameters (within acceptable ranges):

Physical dimensions (diameter and height) may vary within mechanical envelope constraints
ESR (Equivalent Series Resistance) values may vary between manufacturers
Lifetime @ Temperature may exceed minimum requirements
Operating temperature range may exceed minimum requirements
Ripple current ratings may vary based on design

All substitute parts listed maintain identical electrical specifications (capacitance, voltage, tolerance) and identical mounting characteristics (through-hole, snap-in, 10mm lead spacing). Variations in ESR, lifetime, and temperature ratings represent design differences between manufacturers and do not affect functional substitutability in general-purpose applications.

Parameter Comparison

Part Number	Manufacturer	Series	Capacitance (µF)	Voltage (V)	Tolerance	ESR @ 120Hz (mOhm)	Lifetime @ Temp	Operating Temp (°C)	Lead Spacing (mm)	Diameter (mm)	Height (mm)	RoHS Status
380LQ331M450J052	CDE	380LQ	330	450	±20%	600 @ 120Hz	2000 Hrs @ 85°C	-25 ~ 85	10.00	25.00	52.00	ROHS3
380LQ331M450A022	CDE	380LQ	330	450	±20%	600 @ 120Hz	2000 Hrs @ 85°C	-25 ~ 85	10.00	35.00	32.00	ROHS3
380LX331M450A042	CDE	380LX	330	450	±20%	603	3000 Hrs @ 85°C	-25 ~ 85	10.00	35.00	42.00	ROHS3
380LX331M450K052	CDE	380LX	330	450	±20%	550 @ 120Hz	3000 Hrs @ 85°C	-25 ~ 85	10.00	30.00	52.00	ROHS3
SLPX331M450E7P3	CDE	SLPX	330	450	±20%	804 @ 120Hz	3000 Hrs @ 85°C	-25 ~ 85	10.00	30.00	40.00	ROHS3
450USG330MEFCSN25X45	Rubycon	USG	330	450	±20%	Not specified	3000 Hrs @ 85°C	-25 ~ 85	10.00	25.00	47.00	ROHS3
B43640A5337M000	EPCOS - TDK Electronics	B43640	330	450	±20%	290 @ 100Hz	2000 Hrs @ 105°C	-40 ~ 105	10.00	25.00	52.00	ROHS3
ESMM451VSN331MQ50S	Chemi-Con	SMM	330	450	±20%	1005 @ 120Hz	3000 Hrs @ 85°C	-25 ~ 85	10.00	25.40	52.00	RoHS
ESMQ451VSN331MQ50S	Chemi-Con	SMQ	330	450	±20%	Not specified	2000 Hrs @ 85°C	-25 ~ 85	10.00	25.40	50.00	RoHS
ESMR451VSN331MQ40S	Chemi-Con	SMR	330	450	±20%	Not specified	2000 Hrs @ 85°C	-25 ~ 85	10.00	25.40	42.50	RoHS
450MXG330MEFCSN25X50	Rubycon	MXG	330	450	±20%	Not specified	3000 Hrs @ 105°C	-25 ~ 105	10.00	25.00	52.00	ROHS3

Engineering Selection Recommendations

Direct Equivalents (Identical Dimensions and Electrical Characteristics):

The 380LQ331M450A022 from CDE is a direct equivalent within the same 380LQ series, maintaining identical capacitance, voltage, tolerance, and ESR specifications. The primary difference is physical dimension variation (35mm diameter, 32mm height versus 25mm diameter, 52mm height), which requires verification of available PCB space.

CDE 380LX Series Substitutes:

The 380LX331M450K052 and 380LX331M450A042 offer extended lifetime ratings (3000 hours at 85°C versus 2000 hours) while maintaining all critical electrical parameters. These parts are suitable for applications requiring enhanced reliability. Physical dimensions vary and must be verified against PCB constraints.

Multi-Manufacturer Substitutes:

Parts from Rubycon (450USG330MEFCSN25X45, 450MXG330MEFCSN25X50), EPCOS-TDK (B43640A5337M000), and Chemi-Con (ESMM451VSN331MQ50S, ESMQ451VSN331MQ50S, ESMR451VSN331MQ40S) maintain identical electrical specifications and mounting characteristics. All are Active status products with appropriate compliance certifications.

Temperature Range Considerations:

The EPCOS-TDK B43640A5337M000 and Rubycon 450MXG330MEFCSN25X50 offer extended operating temperature ranges (-40°C to 105°C and -25°C to 105°C respectively) compared to the base specification (-25°C to 85°C). These are suitable for applications requiring enhanced thermal performance.

Selection Criteria:

Verify physical dimensions (diameter and height) fit available PCB space
Confirm ESR specifications meet circuit performance requirements where specified
Validate lifetime requirements against application duty cycle
Confirm operating temperature range accommodates thermal environment
All listed parts maintain ROHS3 or RoHS compliance as required

Frequently Asked Questions (FAQ)

Q: Can I substitute a part with different physical dimensions?

A: Physical dimensions (diameter and height) may differ between equivalent parts. Substitution is valid only if the new part fits within available PCB space and the snap-in mounting mechanism is compatible with the socket design. Verify mechanical clearance before implementation.

Q: What does ESR (Equivalent Series Resistance) variation mean for substitution?

A: ESR values vary between manufacturers and series. Lower ESR values indicate better high-frequency performance and lower heat generation. Higher ESR values are acceptable in general-purpose applications where ripple current handling is not critical. Verify ESR specifications against circuit requirements before substitution.

Q: Are all listed parts truly interchangeable?

A: All listed parts share identical capacitance (330 µF), voltage rating (450 V), tolerance (±20%), lead spacing (10mm), mounting type (through-hole snap-in), and polarization. They are electrically and mechanically interchangeable provided physical dimensions fit the available space and ESR/lifetime specifications meet application requirements.

Q: What is the difference between 2000 Hrs @ 85°C and 3000 Hrs @ 85°C lifetime ratings?

A: Lifetime ratings indicate the expected operational duration at specified temperature before capacitance degradation reaches 80% of initial value. Extended lifetime ratings (3000 hours) provide longer service life in continuous-duty applications. Both ratings are acceptable for general-purpose use; selection depends on application duty cycle and reliability requirements.

Q: Can I use a part rated for -40°C to 105°C in place of one rated -25°C to 85°C?

A: Yes. A part with an extended temperature range (-40°C to 105°C) is suitable for applications requiring the narrower range (-25°C to 85°C). The extended range provides additional thermal margin. Verify that the application environment does not exceed the original part's maximum temperature specification.

Q: What does ROHS3 Compliant mean?

A: ROHS3 (Restriction of Hazardous Substances Directive 3) compliance indicates the part meets European Union environmental regulations restricting hazardous materials. All ROHS3 compliant parts listed are suitable for applications requiring regulatory compliance in EU markets and equivalent jurisdictions.

Q: How do I verify lead spacing compatibility?

A: All listed parts maintain 0.394" (10.00mm) lead spacing, matching the original 380LQ331M450J052. This spacing is compatible with standard PCB hole patterns designed for 10mm radial capacitor leads. Verify PCB hole pattern before substitution.

Q: What is the significance of different manufacturers (CDE, Rubycon, EPCOS-TDK, Chemi-Con)?

A: All listed manufacturers produce aluminum electrolytic capacitors meeting identical electrical and mechanical specifications for this application. Manufacturer selection may be based on availability, supply chain preferences, or regional sourcing requirements. All parts listed are Active status products from established manufacturers.

Q: Can I substitute based on ESR alone?

A: No. ESR is one performance parameter among many. Substitution requires matching capacitance, voltage, tolerance, lead spacing, mounting type, and package style. ESR variation is acceptable within the range of listed parts for general-purpose applications. Verify ESR specifications only if the circuit has specific ripple current or thermal performance requirements.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message