LHT2W331MELB45 Equivalent & Substitute Parts

Part Overview

The LHT2W331MELB45 is a 330 µF, 450 V aluminum electrolytic capacitor manufactured by Nichicon in the LHT series. This radial, can-style snap-in capacitor is designed for general-purpose applications requiring high voltage energy storage and filtering. The component features a 3000-hour lifetime rating at 125°C and operates across a temperature range of -40°C to 125°C.

The LHT2W331MELB45 maintains Active product status with full RoHS3 compliance and REACH affected designation. Identifying equivalent substitute parts is necessary to ensure supply chain continuity, manage inventory alternatives, and maintain design flexibility across manufacturing environments.

Substiute Parts

LHT2W331MELB45

NichiconIn Stock: 1000441LHT2W331MELB45 Datasheet

Current PartRFQ

EGXA451VSN331MR45L

Chemi-ConIn Stock: 1245EGXA451VSN331MR45L Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the LHT2W331MELB45 is determined by strict equivalence across the following critical parameters:

Electrical Parameters:

• Capacitance value: 330 µF (exact match required)
• Rated voltage: 450 V (exact match required)
• Capacitance tolerance: ±20% (exact match required)
• Ripple current specifications: 1.48 A @ 120 Hz and 2.1164 A @ 50 kHz (exact match required)
• Lifetime rating: 3000 Hrs @ 125°C (exact match required)

Mechanical Parameters:

• Package type: Radial, Can - Snap-In (exact match required)
• Lead spacing: 0.394" (10.00 mm) (exact match required)
• Physical dimensions: 1.181" Dia (30.00 mm), Height 1.870" (47.50 mm) (exact match required)
• Mounting type: Through Hole (exact match required)

Compliance Parameters:

• RoHS3 compliance status
• REACH designation
• Operating temperature range: -40°C ~ 125°C (exact match required)

Substitute parts must satisfy all electrical, mechanical, and compliance parameters without deviation to ensure direct interchangeability in circuit design and PCB assembly.

Parameter Comparison

Engineering Selection Recommendations

The EGXA451VSN331MR45L manufactured by Chemi-Con is a parametric equivalent to the LHT2W331MELB45. Both components are Active products with RoHS3 compliance certification.

Selection Basis:

All critical electrical parameters are identical: 330 µF capacitance, 450 V rated voltage, ±20% tolerance, 3000-hour lifetime at 125°C, and identical ripple current specifications at both 120 Hz and 50 kHz frequencies.

All mechanical parameters are identical: radial, can-style snap-in package, 0.394" (10.00 mm) lead spacing, 1.181" (30.00 mm) diameter, 1.870" (47.50 mm) maximum seated height, and through-hole mounting type.

Both components operate across the identical temperature range of -40°C to 125°C.

The EGXA451VSN331MR45L carries ROHS3 compliance matching the main part. The REACH designation differs (REACH Unaffected versus REACH Affected), which may be relevant depending on end-use application and regional regulatory requirements.

Frequently Asked Questions (FAQ)

Q: Can the EGXA451VSN331MR45L be used as a direct replacement for the LHT2W331MELB45?

A: Yes. Both components share identical electrical specifications (330 µF, 450 V, ±20% tolerance, 3000 Hrs @ 125°C), identical ripple current ratings, and identical mechanical dimensions and package configuration. Direct substitution is supported at the circuit and PCB assembly level.

Q: Are the physical dimensions identical between these two parts?

A: Yes. Both components feature 1.181" (30.00 mm) diameter, 1.870" (47.50 mm) maximum seated height, and 0.394" (10.00 mm) lead spacing. PCB footprints and mounting hardware are interchangeable.

Q: What is the difference in REACH status between these parts?

A: The LHT2W331MELB45 carries REACH Affected designation, while the EGXA451VSN331MR45L carries REACH Unaffected designation. This distinction may impact supply chain compliance requirements depending on application region and end-use classification. Consult regional regulatory requirements for your specific application.

Q: Do both parts support the same ripple current specifications?

A: Yes. Both the LHT2W331MELB45 and EGXA451VSN331MR45L support 1.48 A ripple current at 120 Hz and 2.1164 A ripple current at 50 kHz. Thermal and electrical performance under ripple current conditions is equivalent.

Q: Are both parts RoHS3 compliant?

A: Yes. Both the LHT2W331MELB45 and EGXA451VSN331MR45L carry RoHS3 compliance certification, meeting current environmental and hazardous substance restrictions.

Q: What is the operating temperature range for both components?

A: Both components operate across -40°C to 125°C. Lifetime rating of 3000 hours applies at the 125°C upper temperature limit for both parts.