Equivalent & Substitute Parts for 338LMB063M2EC

Part Overview

The 338LMB063M2EC is a 3300 µF, 63 V aluminum electrolytic capacitor manufactured by Cornell Dubilier / Illinois Capacitor. This radial, can-style snap-in capacitor is designed for general-purpose applications requiring stable capacitance and extended operational life. The part is Active in product status with 898 units currently in stock. Alternative equivalent parts may be required due to inventory constraints, supply chain considerations, or specific application requirements where substitute parts meet identical electrical and mechanical specifications.

Key Parameters

Parameter	Value
Capacitance	3300 µF
Voltage Rating	63 V
Tolerance	±20%
Operating Temperature Range	-40°C to 105°C
Lifetime @ Temperature	3000 Hrs @ 105°C
Package Type	Radial, Can - Snap-In
Lead Spacing	0.394" (10.00 mm)
Diameter	1.378" (35.00 mm)
Height (Seated Max)	1.063" (27.00 mm)
Mounting Type	Through Hole
Polarization	Polar

Substitute Part Grouping Explanation

Substitution of the 338LMB063M2EC is permissible with the 381LX332M063A012 based on the following criteria:

Matching Electrical Parameters:

Capacitance: 3300 µF (identical)
Voltage Rating: 63 V (identical)
Tolerance: ±20% (identical)
Operating Temperature Range: -40°C to 105°C (identical)
Lifetime: 3000 Hrs @ 105°C (identical)
Polarization: Polar (identical)

Matching Mechanical Parameters:

Package Type: Radial, Can - Snap-In (identical)
Lead Spacing: 0.394" (10.00 mm) (identical)
Diameter: 1.378" (35.00 mm) (identical)
Height (Seated Max): 1.063" (27.00 mm) (identical)
Mounting Type: Through Hole (identical)

Compliance & Certification:

RoHS3 Compliant (both parts)
Moisture Sensitivity Level: 1 (Unlimited) (both parts)
REACH Status: REACH Unaffected (both parts)
ECCN: EAR99 (both parts)
HTSUS: 8532.22.0040 (both parts)

The substitute part meets all critical electrical and mechanical requirements for direct replacement in circuit applications.

Parameter Comparison

Parameter	338LMB063M2EC (Main Part)	381LX332M063A012 (Substitute)
Manufacturer	Cornell Dubilier / Illinois Capacitor	Cornell Dubilier Electronics (CDE)
Series	LMB	381LX
Capacitance	3300 µF	3300 µF
Voltage Rating	63 V	63 V
Tolerance	±20%	±20%
ESR @ 120 Hz	150.715 mOhm	Not specified
Lifetime @ 105°C	3000 Hrs	3000 Hrs
Operating Temperature	-40°C to 105°C	-40°C to 105°C
Ripple Current @ 120 Hz	1.73 A	2.5 A
Ripple Current @ High Frequency	2.163 A @ 10 kHz	2.9 A @ 20 kHz
Lead Spacing	0.394" (10.00 mm)	0.394" (10.00 mm)
Diameter	1.378" (35.00 mm)	1.378" (35.00 mm)
Height (Seated Max)	1.063" (27.00 mm)	1.063" (27.00 mm)
Package Type	Radial, Can - Snap-In	Radial, Can - Snap-In
Mounting Type	Through Hole	Through Hole
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Unaffected
Product Status	Active	Active
Current Inventory	898 Pcs	2162 Pcs

Engineering Selection Recommendations

Both the 338LMB063M2EC and 381LX332M063A012 are Active products manufactured by Cornell Dubilier with full RoHS3 compliance and REACH unaffected status. Both parts satisfy identical electrical specifications (3300 µF, 63 V, ±20% tolerance, 3000 Hrs @ 105°C) and mechanical requirements (radial snap-in package, 10.00 mm lead spacing, 35.00 mm diameter, 27.00 mm height).

The 381LX332M063A012 demonstrates higher ripple current ratings (2.5 A @ 120 Hz and 2.9 A @ 20 kHz compared to 1.73 A and 2.163 A respectively), indicating enhanced performance capability in high-ripple-current applications. The substitute part also offers greater inventory availability (2162 units versus 898 units).

Selection between these parts should be based on application-specific ripple current requirements and supply chain availability. Both parts are suitable for direct circuit replacement where the specified electrical and mechanical parameters are required.

Frequently Asked Questions (FAQ)

Q: Can the 381LX332M063A012 be used as a direct replacement for the 338LMB063M2EC?

A: Yes. Both parts share identical capacitance (3300 µF), voltage rating (63 V), tolerance (±20%), operating temperature range (-40°C to 105°C), lifetime rating (3000 Hrs @ 105°C), and mechanical dimensions (lead spacing 10.00 mm, diameter 35.00 mm, height 27.00 mm). Both use radial snap-in package configuration with through-hole mounting. Electrical and mechanical compatibility is confirmed.

Q: What are the differences between these two parts?

A: The primary differences are: (1) Manufacturer series designation (LMB versus 381LX), (2) ESR specification (150.715 mOhm provided for main part; not specified for substitute), (3) Ripple current ratings (substitute part has higher ratings: 2.5 A @ 120 Hz versus 1.73 A, and 2.9 A @ 20 kHz versus 2.163 A @ 10 kHz), and (4) Inventory levels (2162 units available for substitute versus 898 for main part).

Q: Are both parts RoHS and REACH compliant?

A: Yes. Both the 338LMB063M2EC and 381LX332M063A012 are ROHS3 Compliant and REACH Unaffected. Both carry ECCN EAR99 classification and HTSUS code 8532.22.0040.

Q: What is the moisture sensitivity level for these capacitors?

A: Both parts have Moisture Sensitivity Level (MSL) rating of 1 (Unlimited), indicating no moisture sensitivity restrictions for storage or handling.

Q: Which part should be selected for high-ripple-current applications?

A: The 381LX332M063A012 is suitable for applications requiring higher ripple current handling, with ratings of 2.5 A @ 120 Hz and 2.9 A @ 20 kHz. The 338LMB063M2EC is rated for 1.73 A @ 120 Hz and 2.163 A @ 10 kHz. Application ripple current requirements should determine part selection.

Q: Are the physical dimensions identical?

A: Yes. Both parts have identical physical dimensions: 1.378" (35.00 mm) diameter, 1.063" (27.00 mm) seated height, and 0.394" (10.00 mm) lead spacing. Both use radial snap-in package configuration suitable for through-hole mounting on standard PCB layouts.

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