381LX222M080J032

Part Overview

The Cornell Dubilier Electronics 381LX222M080J032 is a 2200 µF aluminum electrolytic capacitor rated for 80 V with ±20% tolerance, designed for general-purpose applications. This radial, can-style snap-in capacitor features a 3000-hour lifetime at 105°C and operates across the -40°C to 105°C temperature range. The part is currently active in production with ROHS3 compliance and is widely available in inventory. Alternative equivalent parts are necessary to address specific design constraints, including dimensional requirements, packaging preferences, or extended operational lifetime needs in thermal environments.

Key Parameters

Parameter	Value
Capacitance	2200 µF
Voltage Rating	80 V
Tolerance	±20%
Operating Temperature Range	-40°C to 105°C
Lifetime at 105°C	3000 Hrs
Ripple Current @ 120 Hz	2.1 A
Ripple Current @ 20 kHz	2.4 A
Lead Spacing	0.394" (10.00mm)
Can Diameter	0.984" (25.00mm)
Height (Seated, Max)	1.457" (37.00mm)
Mounting Type	Through Hole
Package Style	Radial, Can - Snap-In
Polarization	Polar
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the 381LX222M080J032 is determined by strict alignment of critical electrical and physical parameters. All substitute parts must maintain identical capacitance (2200 µF), voltage rating (80 V), tolerance (±20%), temperature range (-40°C to 105°C), mounting type (through hole), and package style (radial, can snap-in configuration). Lead spacing of 0.394" (10.00mm) is mandatory for PCB compatibility.

Physical dimensions (can diameter and seating height) may vary within the snap-in package family while maintaining mechanical fit. The ripple current specifications and lifetime at operating temperature represent performance characteristics that determine operational suitability under specific thermal and electrical load conditions. Manufacturers including Cornell Dubilier Electronics (381LX series) and Nichicon (LGY and LGU series) produce compliant alternatives with identical or equivalent rated parameters.

Parameter Comparison

Part Number	Manufacturer	Capacitance	Voltage Rating	Tolerance	Lifetime @ 105°C	Can Diameter	Height (Max)	Ripple Current @ 120 Hz	Ripple Current @ High Frequency	Inventory
381LX222M080J032	Cornell Dubilier Electronics	2200 µF	80 V	±20%	3000 Hrs	0.984" (25.00mm)	1.457" (37.00mm)	2.1 A	2.4 A @ 20 kHz	946 Pcs
381LX222M080H452	Cornell Dubilier Electronics	2200 µF	80 V	±20%	3000 Hrs	0.866" (22.00mm)	1.850" (47.00mm)	2.1 A	2.4 A @ 20 kHz	3390 Pcs
381LX222M080A012	Cornell Dubilier Electronics	2200 µF	80 V	±20%	3000 Hrs	1.378" (35.00mm)	1.063" (27.00mm)	2.1 A	2.4 A @ 20 kHz	1888 Pcs
LGY1K222MELA35	Nichicon	2200 µF	80 V	±20%	5000 Hrs	0.984" (25.00mm)	1.457" (37.00mm)	2 A	2.3 A @ 50 kHz	1642 Pcs
LGU1K222MELA	Nichicon	2200 µF	80 V	±20%	3000 Hrs	0.984" (25.00mm)	1.457" (37.00mm)	2.01 A	2.3115 A @ 50 kHz	1121 Pcs

Engineering Selection Recommendations

All listed substitute parts maintain active production status and ROHS3 compliance, confirming current availability and regulatory alignment with 381LX222M080J032 specifications.

Cornell Dubilier Electronics 381LX Series (Same Manufacturer): Parts 381LX222M080H452 and 381LX222M080A012 are identical electrical equivalents with matching 3000-hour lifetime ratings and ripple current specifications. These parts differ only in physical dimensions (can diameter and height). Selection depends on available PCB footprint space. The 381LX222M080H452 offers the highest inventory availability at 3390 pcs.

Nichicon LGY Series: The LGY1K222MELA35 provides extended thermal performance with 5000-hour lifetime at 105°C, compared to the standard 3000-hour specification. Physical dimensions match the main part exactly (0.984" diameter, 1.457" height), simplifying direct substitution for applications requiring enhanced long-term reliability in elevated-temperature environments.

Nichicon LGU Series: The LGU1K222MELA represents a parametric equivalent with matching physical dimensions and 3000-hour lifetime. Ripple current values (2.01 A @ 120 Hz, 2.3115 A @ 50 kHz) fall within acceptable operating margins relative to the main part specification.

Frequently Asked Questions (FAQ)

Q: Can I substitute 381LX222M080H452 for 381LX222M080J032 on my PCB? A: Substitution is electrically valid with identical capacitance, voltage rating, tolerance, and ripple current specifications. However, the 381LX222M080H452 features different physical dimensions (0.866" diameter, 1.850" height versus 0.984" diameter, 1.457" height). Verify available space on your PCB layout before implementing this change. The 0.394" lead spacing remains constant across all parts.

Q: What is the advantage of the Nichicon LGY1K222MELA35 over the standard part? A: The LGY1K222MELA35 provides 5000-hour lifetime at 105°C, compared to 3000 hours for the 381LX222M080J032. Physical dimensions are identical, allowing direct substitution. This part is specified for applications requiring extended operational life in thermal environments. Ripple current handling (2 A @ 120 Hz, 2.3 A @ 50 kHz) is equivalent for practical design purposes.

Q: Are Nichicon parts direct substitutes for Cornell Dubilier parts? A: Nichicon LGY1K222MELA35 and LGU1K222MELA share identical capacitance, voltage rating, tolerance, lead spacing, and physical dimensions with 381LX222M080J032. Both manufacturers produce radial, can-style snap-in packages with ROHS3 compliance. Electrical performance is equivalent within specified parameters.

Q: Can I use 381LX222M080A012 if it has a larger diameter? A: The 381LX222M080A012 features a larger can diameter (1.378" versus 0.984") but shorter seated height (1.063" versus 1.457"). Substitution depends on available radial and vertical clearance on your PCB. The identical lead spacing (0.394") and electrical characteristics ensure functional compatibility if physical space permits.

Q: How do ripple current differences between parts affect selection? A: All listed parts meet or exceed 2 A ripple current capability at 120 Hz. Minor variations in high-frequency ripple current (2.3–2.4 A range) do not impact substitutability for applications within the rated electrical envelope. Verify your circuit's actual ripple current demand against the selected part's specification.

Q: What is the significance of different lifetimes at 105°C? A: Lifetime ratings (3000 or 5000 hours at 105°C) describe expected operational duration at maximum rated temperature. For applications operating below 105°C or with thermal management, the difference becomes less critical. Select the extended-lifetime part (LGY1K222MELA35) only if your application specifically requires 5000-hour performance at sustained elevated temperatures.

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