Equivalent & Substitute Parts for 381LX331M100H202

Part Overview

The 381LX331M100H202 is a 330 µF, 100 V aluminum electrolytic capacitor manufactured by Cornell Dubilier Electronics (CDE) in a radial, can snap-in package. This component is rated for 3000 hours at 105°C and is designed for general-purpose applications requiring through-hole mounting.

The 381LX331M100H202 carries an Obsolete product status. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production or repair requirements for systems utilizing this component.

Substiute Parts

381LX331M100H202

Cornell Dubilier Electronics (CDE)In Stock: 911381LX331M100H202 Datasheet

Current PartRFQ

381LX331M100H012

Cornell Dubilier Electronics (CDE)In Stock: 838381LX331M100H012 Datasheet

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381LX331M160H022

Cornell Dubilier Electronics (CDE)In Stock: 842381LX331M160H022 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 381LX331M100H202 is determined by the following critical parameters:

Primary Substitution Criteria:

• Capacitance: 330 µF (exact match required)
• Voltage Rating: 100 V (minimum; higher voltage ratings are acceptable)
• Tolerance: ±20% (exact match required)
• Polarization: Polar (exact match required)
• Package Type: Radial, Can - Snap-In (exact match required)
• Mounting Type: Through Hole (exact match required)
• Lead Spacing: 0.394" (10.00 mm) (exact match required)
• Operating Temperature Range: -40°C ~ 105°C (exact match required)
• Lifetime @ Temperature: 3000 Hrs @ 105°C (exact match required)

Acceptable Variations:

• Physical height may vary within mechanical constraints of the application
• ESR (Equivalent Series Resistance) values may differ if not specified in the original design
• Ripple current ratings may vary based on frequency

Parameter Comparison

Engineering Selection Recommendations

381LX331M100H012 (Primary Substitute for Direct Replacement)

The 381LX331M100H012 is the direct functional equivalent of the 381LX331M100H202. Both components share identical electrical specifications: 330 µF capacitance, 100 V voltage rating, ±20% tolerance, and 3000-hour lifetime at 105°C. The 381LX331M100H012 is currently in Active product status with 778 units in stock, ensuring supply availability.

The primary difference is physical height: the 381LX331M100H012 measures 1.063" (27.00 mm) seated height compared to the 381LX331M100H202 at 0.866" (22.00 mm). This height increase must be evaluated against available PCB or chassis clearance in the target application. The 381LX331M100H012 also specifies an ESR of 550 mOhm, providing additional performance data for ripple current and thermal management calculations.

Both components are ROHS3 compliant and carry identical lead spacing (0.394" / 10.00 mm), mounting type (through-hole), and package configuration (radial, can snap-in).

381LX331M160H022 (Higher Voltage Alternative)

The 381LX331M160H022 is a voltage-upgraded variant within the same 381LX series. It maintains the 330 µF capacitance and ±20% tolerance but operates at 160 V rated voltage. This component is suitable for applications where the original 100 V design margin is insufficient or where system voltage specifications have changed.

The 381LX331M160H022 is currently in Active product status with 816 units in stock. Its seated height is 1.260" (32.00 mm), requiring additional clearance verification. This component is appropriate only when the application circuit can accommodate the higher voltage rating without design modification.

Compliance and Regulatory Status

All three components (main part and both substitutes) are ROHS3 compliant, REACH unaffected, and classified under ECCN EAR99 with HTSUS code 8532.22.0040. Moisture sensitivity level is 1 (unlimited) for all variants, indicating no special storage or handling requirements.

Frequently Asked Questions (FAQ)

Q: Can the 381LX331M100H012 be used as a direct replacement for the 381LX331M100H202?

A: Yes, the 381LX331M100H012 is electrically equivalent. Both components have identical capacitance (330 µF), voltage rating (100 V), tolerance (±20%), and thermal lifetime (3000 Hrs @ 105°C). The primary consideration is physical height: the substitute is 1.063" (27.00 mm) versus 0.866" (22.00 mm) for the original. Verify that available PCB or chassis clearance accommodates this 0.197" (5.00 mm) height increase.

Q: What is the difference between the 381LX331M100H012 and 381LX331M160H022?

A: The primary difference is voltage rating. The 381LX331M100H012 is rated for 100 V, while the 381LX331M160H022 is rated for 160 V. Both maintain 330 µF capacitance and ±20% tolerance. The 160 V variant is physically taller at 1.260" (32.00 mm) seated height. Use the 160 V variant only if the application circuit operates at higher voltage levels or requires increased voltage margin.

Q: Are there any compatibility issues with lead spacing or mounting?

A: No. All three components share identical lead spacing (0.394" / 10.00 mm) and through-hole mounting configuration. PCB footprints designed for the 381LX331M100H202 will accept both substitute parts without modification to pad layout or spacing.

Q: What is the significance of the ESR specification on the 381LX331M100H012?

A: ESR (Equivalent Series Resistance) of 550 mOhm is provided for the 381LX331M100H012 but not specified for the main part or the 160 V variant. ESR affects ripple current handling, thermal performance, and high-frequency response. If ripple current or thermal management is critical to the application, the specified ESR value of the 381LX331M100H012 provides additional design data for verification calculations.

Q: Are all three components RoHS compliant?

A: Yes. The 381LX331M100H202 (obsolete), 381LX331M100H012 (active), and 381LX331M160H022 (active) are all ROHS3 compliant. All three components are REACH unaffected and carry identical regulatory classifications (ECCN EAR99, HTSUS 8532.22.0040).

Q: Which substitute should I select for a new design?

A: For new designs requiring 100 V operation, select the 381LX331M100H012 (active status, 778 units in stock). For applications requiring higher voltage margin or operating at elevated system voltages, select the 381LX331M160H022 (active status, 816 units in stock). Both are currently manufactured and available. Verify physical height compatibility with your mechanical constraints before final selection.