Littelfuse 0301010.H Glass Cartridge Fuse - Equivalent & Substitute Parts

Part Overview

The Littelfuse 0301010.H is a 10 A, 32 V AC/DC glass cartridge fuse in the 1AG package format (1/4" x 5/8"). This component is classified as a medium-blow fuse cartridge requiring a dedicated holder for installation. The part maintains active product status and is available in inventory. Substitute parts are identified when equivalent electrical and mechanical parameters align with the original specification, enabling direct replacement in applications where voltage and response characteristics permit.

Substiute Parts

0301010.H

Littelfuse Inc.In Stock: 11290301010.H Datasheet

Current PartRFQ

AGA-10

Eaton - Electronics DivisionIn Stock: 961AGA-10 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute identification for the Littelfuse 0301010.H is based on the following critical parameters:

• Current Rating: 10 A (exact match required)
• Package / Case: 1AG, 1/4" x 5/8" (mechanical compatibility)
• Fuse Type: Cartridge, Glass (form factor and construction)
• Mounting Type: Requires Holder (installation method)

The Eaton AGA-10 meets the current rating, package dimensions, fuse type, and mounting requirements. However, the voltage rating differs: the substitute operates at 125 V AC versus the original 32 V AC specification. Substitution is permissible in applications where the circuit voltage does not exceed the original 32 V rating, as the substitute's higher voltage rating provides compatibility in lower-voltage circuits. Response time differs (Fast Blow vs. Medium Blow), which may affect circuit protection characteristics depending on application requirements.

Parameter Comparison

Engineering Selection Recommendations

Both the Littelfuse 0301010.H and Eaton AGA-10 maintain active product status, ensuring continued availability and supply chain reliability. Both components are classified as RoHS non-compliant, indicating equivalent regulatory positioning.

Selection between these parts depends on circuit voltage requirements and protection response characteristics. The Littelfuse 0301010.H is specified for 32 V AC applications with medium-blow response. The Eaton AGA-10, rated for 125 V AC with fast-blow response, is suitable for 32 V circuits where the higher voltage rating and faster response time do not conflict with circuit design parameters. The Eaton substitute provides documented breaking capacity (1 kA) and DC cold resistance (0.008 Ohms), offering additional performance specification data.

Frequently Asked Questions (FAQ)

Q: Can the Eaton AGA-10 directly replace the Littelfuse 0301010.H?

A: Direct replacement is possible in circuits operating at or below 32 V AC. The substitute's 125 V rating is compatible with lower-voltage applications. However, the response time difference (Fast Blow vs. Medium Blow) must be evaluated against circuit protection requirements.

Q: What is the significance of the 1AG package designation?

A: The 1AG designation specifies both the physical dimensions (1/4" x 5/8") and the holder type required for installation. Both the original and substitute parts use identical 1AG packaging, ensuring mechanical compatibility with existing holders.

Q: How do response time differences affect substitution?

A: Medium-blow fuses tolerate brief current surges before opening, while fast-blow fuses respond more quickly to overcurrent conditions. Application-specific circuit behavior determines whether response time differences are acceptable.

Q: Are there compliance or certification differences between these parts?

A: Both parts share identical RoHS non-compliance status and ECCN/HTSUS classifications. No compliance advantage exists between the two options.

Q: What does the breaking capacity specification indicate?

A: Breaking capacity (1 kA for the Eaton AGA-10) defines the maximum fault current the fuse can safely interrupt. The Littelfuse specification does not provide this value; the Eaton substitute documents this performance parameter.