Littelfuse 0JLS010.T Equivalent & Substitute Parts

Part Overview

The Littelfuse 0JLS010.T is a 10A 600VAC fast-blow cartridge fuse from the POWR-GARD® JLS series. This component is designed for electrical and industrial applications requiring overcurrent protection in AC circuits rated up to 600 volts. The part maintains active product status with 724 units in current inventory. Substitute parts are identified when equivalent electrical ratings, mechanical dimensions, and approval certifications align with the original specification, enabling direct replacement in existing fuse holders without circuit redesign.

Substiute Parts

0JLS010.T

Littelfuse Inc.In Stock: 7800JLS010.T Datasheet

Current PartRFQ

JKS-10

Eaton - Bussmann Electrical DivisionIn Stock: 1060JKS-10 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 0JLS010.T is determined by strict alignment of the following electrical and mechanical parameters:

• Current Rating: 10A (exact match required)
• Voltage Rating: 600VAC (exact match required)
• Response Time: Fast Blow (exact match required)
• Breaking Capacity: 200kA (exact match required)
• Physical Dimensions: 0.811" Dia x 2.252" L ±0.001" (mechanical compatibility with existing holders)
• Fuse Type: Cartridge configuration (holder compatibility)
• Approval Certifications: Minimum CE, CSA, UL coverage (regulatory compliance)

The Eaton Bussmann JKS-10 meets all substitution criteria. While the JKS-10 employs ceramic construction versus the original cartridge design, both maintain identical electrical performance, breaking capacity, and physical dimensions within tolerance, ensuring direct mechanical and electrical compatibility.

Parameter Comparison

Engineering Selection Recommendations

Both the Littelfuse 0JLS010.T and Eaton Bussmann JKS-10 maintain active product status with current manufacturing support. Selection between these components should be based on:

• Inventory availability: Littelfuse 0JLS010.T (724 units) versus Eaton Bussmann JKS-10 (1000 units)
• Supply chain continuity and lead time requirements
• Existing component qualification history within your application
• Regulatory compliance verification: Both parts carry CE, CSA, and UL certifications meeting industrial and electrical application standards

No additional testing or verification is required when substituting between these parts, provided the fuse holder is rated for Class J cartridge fuses and the circuit voltage and current parameters remain unchanged.

Frequently Asked Questions (FAQ)

Q: Can the Eaton Bussmann JKS-10 be used as a direct replacement for the Littelfuse 0JLS010.T?

A: Yes. Both fuses share identical electrical ratings (10A, 600VAC, 200kA breaking capacity), response characteristics (fast blow), and physical dimensions within manufacturing tolerance. Both are Class J cartridge fuses requiring a compatible holder. Mechanical and electrical compatibility is confirmed.

Q: What is the difference between the ceramic construction of the JKS-10 and the cartridge design of the 0JLS010.T?

A: The JKS-10 uses ceramic material for the fuse body, while the 0JLS010.T uses standard cartridge construction. Both designs achieve identical electrical performance, breaking capacity, and response time. The material difference does not affect substitutability in applications where the original part was specified.

Q: Are there any dimensional differences between these fuses?

A: Dimensions are within manufacturing tolerance. The 0JLS010.T measures 0.811" Dia x 2.252" L (20.60mm x 57.20mm), while the JKS-10 measures 0.810" Dia x 2.250" L (20.57mm x 57.15mm). Both fit standard Class J cartridge fuse holders without modification.

Q: Do both fuses carry the same regulatory approvals?

A: Yes. Both the Littelfuse 0JLS010.T and Eaton Bussmann JKS-10 carry CE, CSA, and UL certifications. The 0JLS010.T additionally carries QPL approval. Both meet industrial and electrical application compliance requirements.

Q: What factors should determine which substitute part to select?

A: Selection should be based on inventory availability, supply chain lead times, and existing component qualification within your specific application. Both parts are electrically and mechanically equivalent and interchangeable.