AGC-1/16-R Glass Cartridge Fuse Equivalent & Substitute Parts

Part Overview

The AGC-1/16-R is a 63 mA, 250 V AC/DC fast-blow glass cartridge fuse manufactured by Eaton - Electronics Division. This component is classified as obsolete, requiring identification of active equivalent parts for ongoing system maintenance and new designs. The fuse is designed for use in 3AB and 3AG holders with dimensions of 1/4" x 1-1/4" (6.35 mm x 31.75 mm). Locating functionally equivalent substitutes is essential for applications where the original part is no longer available through standard distribution channels.

Substiute Parts

AGC-1/16-R

Eaton - Electronics DivisionIn Stock: 976AGC-1/16-R Datasheet

Current PartRFQ

0312.062HXP

Littelfuse Inc.In Stock: 7750312.062HXP Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the AGC-1/16-R is determined by strict alignment of the following electrical and mechanical parameters:

Critical Matching Parameters:

• Voltage Rating: 250 V AC/DC (exact match required)
• Fuse Type: Cartridge, Glass (exact match required)
• Response Time: Fast Blow (exact match required)
• Package / Case: 3AB, 3AG, 1/4" x 1-1/4" (exact match required)
• Breaking Capacity: 35 A (exact match required)
• Operating Temperature Range: -55°C to 125°C (exact match required)

Current Rating Tolerance: The substitute part 0312.062HXP operates at 62 mA, which is within 1.6% of the main part's 63 mA rating. Both parts function as fast-blow fuses in the same holder configuration and voltage class, making them electrically compatible for the same circuit protection application.

Parameter Comparison

Engineering Selection Recommendations

The 0312.062HXP from Littelfuse Inc. is the qualified substitute for the obsolete AGC-1/16-R. Selection is based on the following engineering criteria:

Product Status: The AGC-1/16-R is obsolete, while the 0312.062HXP is active and available through current distribution channels.

Electrical Compatibility: Both parts share identical voltage ratings (250 V AC/DC), fuse type (cartridge, glass), response characteristics (fast blow), and breaking capacity (35 A). The 62 mA rating of the substitute is within acceptable tolerance of the 63 mA main part for circuit protection applications.

Mechanical Compatibility: Both parts conform to the same package specification (3AB, 3AG, 1/4" x 1-1/4"), ensuring direct physical compatibility with existing holder assemblies.

Regulatory Compliance: The substitute part carries CE, CSA, and UL approvals, exceeding the main part's CSA and UL certifications. The substitute is ROHS3 compliant, meeting current environmental standards.

Operating Conditions: Both parts operate across the identical temperature range (-55°C to 125°C), ensuring functional equivalence across all specified environmental conditions.

Frequently Asked Questions (FAQ)

Q: Can the 0312.062HXP directly replace the AGC-1/16-R in existing applications?

A: Yes. Both parts are mechanically and electrically compatible. They share identical holder requirements (3AB, 3AG), voltage ratings (250 V), response time (fast blow), and operating temperature range (-55°C to 125°C). The 1 mA difference in current rating (63 mA vs. 62 mA) is within acceptable tolerance for circuit protection.

Q: What is the significance of the current rating difference between 63 mA and 62 mA?

A: The 1 mA difference represents a 1.6% variance. Both parts function as fast-blow fuses in the same voltage class and holder configuration. This minor difference does not affect compatibility for standard circuit protection applications.

Q: Are there any regulatory or compliance differences between the two parts?

A: The substitute part (0312.062HXP) carries additional CE certification and is ROHS3 compliant, whereas the main part (AGC-1/16-R) specifies only CSA and UL approvals. Both parts meet CSA and UL standards, ensuring regulatory compatibility.

Q: What are the physical dimensions, and will the substitute fit existing holders?

A: Both parts have identical dimensions: 0.250" diameter x 1.250" length (6.35 mm x 31.75 mm). Both are designed for 3AB and 3AG holders. Physical compatibility is guaranteed.

Q: Why is the AGC-1/16-R classified as obsolete?

A: The AGC-1/16-R is no longer manufactured by Eaton - Electronics Division. The 0312.062HXP from Littelfuse Inc. is the active equivalent part available through current distribution channels.

Q: Are there any differences in melting I²t or DC cold resistance that affect substitution?

A: The main part specifies a melting I²t of 0.000181 and DC cold resistance of 29 Ohms. The substitute specifies a melting I²t of 0.000249 and DC cold resistance of 24.7 Ohms. These differences are within acceptable ranges for fast-blow cartridge fuses in this current and voltage class and do not prevent substitution.