Equivalent & Substitute Parts for Littelfuse 0322030.VXP

Part Overview

The Littelfuse 0322030.VXP is a 30A ceramic cartridge fuse rated for 65V AC/DC operation. This fast-blow fuse is designed for applications requiring reliable overcurrent protection in industrial and commercial equipment. The part is actively manufactured and widely stocked, with 679 units available in inventory. Substitute parts are identified to provide alternative sourcing options when the primary part number is unavailable or when procurement flexibility is required.

Substiute Parts

0322030.VXP

Littelfuse Inc.In Stock: 7230322030.VXP Datasheet

Current PartRFQ

0322030.HXP

Littelfuse Inc.In Stock: 54290322030.HXP Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

The Littelfuse 0322030.HXP is identified as a parametric equivalent to the 0322030.VXP. Substitution eligibility is determined by matching the following critical parameters:

• Current Rating: 30 A
• Voltage Rating (AC/DC): 65 V
• Fuse Type: Cartridge, Ceramic
• Response Time: Fast Blow
• Package / Case: 3AB, 3AG, 1/4" x 1-1/4"
• Breaking Capacity: 200A AC, 1kA DC
• Melting I²t: 540
• Operating Temperature Range: -55°C to 125°C
• Approval Agencies: CE, UL
• RoHS Compliance: ROHS3 Compliant

Both parts are manufactured by Littelfuse Inc. and belong to the 322 series. The substitute part maintains identical electrical and mechanical specifications, enabling direct replacement in applications where the primary part number is unavailable.

Parameter Comparison

Engineering Selection Recommendations

Both the 0322030.VXP and 0322030.HXP are active products manufactured by Littelfuse Inc. and carry identical certifications (CE, UL). Both parts are ROHS3 compliant and meet the same regulatory requirements. The 0322030.HXP offers higher inventory availability (5400 units) compared to the 0322030.VXP (679 units), making it a viable alternative for applications requiring extended lead time mitigation or bulk procurement. Selection between these parts should be based on procurement availability and supply chain requirements, as all electrical and mechanical parameters are equivalent.

Frequently Asked Questions (FAQ)

Q: Can the 0322030.HXP be used as a direct replacement for the 0322030.VXP?

A: Yes. Both parts are identical in all critical parameters including current rating, voltage rating, fuse type, response time, package dimensions, breaking capacity, and operating temperature range. Direct substitution is permissible in all applications where the 0322030.VXP is specified.

Q: Are there any differences in approval certifications between these parts?

A: No. Both parts carry CE and UL approvals and are ROHS3 compliant. Regulatory compliance is equivalent.

Q: What is the significance of the package designation 3AB, 3AG, 1/4" x 1-1/4"?

A: This designation indicates the fuse cartridge dimensions and holder compatibility. Both parts conform to these specifications and are compatible with standard 3AB and 3AG fuse holders. The physical dimensions are 0.250" diameter by 1.250" length (6.35mm x 31.75mm).

Q: How do the melting I²t values affect substitution?

A: The melting I²t value of 540 is identical for both parts, indicating equivalent thermal response characteristics. This parameter ensures consistent overcurrent protection behavior in the circuit.

Q: What is the DC cold resistance specification used for?

A: DC cold resistance (0.0023 Ohms) characterizes the fuse element resistance at room temperature. Identical values between parts ensure equivalent voltage drop and thermal performance under normal operating conditions.

Q: Are both parts suitable for the full operating temperature range?

A: Yes. Both parts are rated for operation from -55°C to 125°C, providing equivalent performance across the specified temperature envelope.