Equivalent & Substitute Parts for ABC-3/8 Ceramic Fuse

Part Overview

The ABC-3/8 is a ceramic fuse rated at 375 mA, 250 VAC, manufactured by Eaton - Electronics Division. This component is classified as obsolete and does not comply with RoHS standards. Due to its obsolete status, identifying equivalent substitute parts is essential for system maintenance, repair, and continued operation in applications where this fuse is currently deployed.

Substiute Parts

ABC-3/8

Eaton - Electronics DivisionIn Stock: 801ABC-3/8 Datasheet

Current PartRFQ

ABC-3/8-R

Eaton - Electronics DivisionIn Stock: 1038ABC-3/8-R Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the ABC-3/8 is determined by the following critical electrical and mechanical parameters:

Electrical Parameters:

• Current Rating: 375 mA (exact match required)
• Voltage Rating - AC: 250 V (exact match required)
• Fuse Type: Ceramic (material specification)
• Response Time: Fast Blow (operational characteristic)

Mechanical Parameters:

• Package / Case: 3AB, 3AG, 1/4" x 1-1/4" (physical form factor)
• Size / Dimension: 0.250" Dia x 1.250" L (6.35mm x 31.75mm)

Compliance Parameters:

• Approval Agency: CSA, UL (certification requirement)
• ECCN: EAR99 (export classification)
• HTSUS Code: 8536.10.0040 (tariff classification)

The substitute part ABC-3/8-R meets all critical electrical and mechanical parameters while offering improved compliance status.

Parameter Comparison

Engineering Selection Recommendations

Primary Substitute: ABC-3/8-R

The ABC-3/8-R is the direct equivalent substitute for the obsolete ABC-3/8. Selection of this substitute is based on the following engineering criteria:

1. Electrical Equivalence: The ABC-3/8-R maintains identical current rating (375 mA) and AC voltage rating (250 V), ensuring functional compatibility in the original circuit application.

2. Product Status: The ABC-3/8-R holds active product status, ensuring continued availability and manufacturer support, whereas the ABC-3/8 is obsolete.

3. Compliance Improvement: The ABC-3/8-R achieves ROHS3 compliance, addressing regulatory requirements that the non-compliant ABC-3/8 cannot satisfy.

4. Certification: The ABC-3/8-R carries CSA and UL approvals, providing third-party validation of safety and performance standards.

5. Physical Compatibility: Both parts share identical package specifications (3AB, 3AG, 1/4" x 1-1/4") and dimensions (0.250" Dia x 1.250" L), ensuring mechanical fit in existing holder assemblies.

6. Export Classification: Both parts maintain EAR99 classification and identical HTSUS codes, preserving regulatory consistency.

Frequently Asked Questions (FAQ)

Q: Can ABC-3/8-R be used as a direct replacement for ABC-3/8?

A: Yes. The ABC-3/8-R is electrically and mechanically equivalent. Both parts have identical current ratings (375 mA), AC voltage ratings (250 V), ceramic fuse type, and physical dimensions (0.250" Dia x 1.250" L). The ABC-3/8-R requires the same holder types (3AB, 3AG, 1/4" x 1-1/4").

Q: What is the primary advantage of using ABC-3/8-R over ABC-3/8?

A: The ABC-3/8-R is an active product with ROHS3 compliance and CSA/UL certifications, whereas the ABC-3/8 is obsolete and non-compliant. This ensures long-term availability and regulatory alignment.

Q: Are there any electrical differences between ABC-3/8 and ABC-3/8-R?

A: The ABC-3/8-R provides additional DC voltage rating (125 V DC) not specified for the ABC-3/8. The AC ratings remain identical (375 mA, 250 V).

Q: What holder types are required for ABC-3/8-R installation?

A: The ABC-3/8-R requires a fuse holder compatible with 3AB, 3AG, or 1/4" x 1-1/4" cartridge specifications. Verify existing holder compatibility before installation.

Q: Is the ABC-3/8-R RoHS compliant?

A: Yes. The ABC-3/8-R is ROHS3 compliant, meeting current environmental and hazardous substance restrictions. The original ABC-3/8 is non-compliant.

Q: Do both parts share the same export classification?

A: Yes. Both ABC-3/8 and ABC-3/8-R are classified as EAR99 and share the identical HTSUS code (8536.10.0040).