Littelfuse 032601.6MXP Ceramic Fuse Cartridge - Equivalent & Substitute Parts

Part Overview

The Littelfuse 032601.6MXP is a 1.6 A ceramic fuse cartridge rated for 250 V AC and 125 V DC operation. This slow-blow cartridge fuse requires a 3AB or 3AG holder and is designed for applications requiring reliable overcurrent protection in industrial and commercial equipment. The part maintains active product status with full compliance to CE, CSA, PSE, and UL approval agencies. Equivalent and substitute parts are identified based on matching electrical ratings, mechanical dimensions, and functional characteristics within the 3AB/3AG cartridge fuse category.

Substiute Parts

032601.6MXP

Littelfuse Inc.In Stock: 1051032601.6MXP Datasheet

Current PartRFQ

032601.6HXP

Littelfuse Inc.In Stock: 1044032601.6HXP Datasheet

Parametric EquivalentRFQ

0001.2526

SCHURTER Inc.In Stock: 15500001.2526 Datasheet

DirectRFQ

BK/MDA-1-6/10-R

Eaton - Electronics DivisionIn Stock: 902BK/MDA-1-6/10-R Datasheet

MFR RecommendedRFQ

GSA 1.6-R

Bel Fuse Inc.In Stock: 1934GSA 1.6-R Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 032601.6MXP is determined by the following critical parameters:

Primary Matching Criteria:

• Current Rating: 1.6 A (exact match required)
• Voltage Rating - AC: 250 V (exact match required)
• Package / Case: 3AB, 3AG, 1/4" x 1-1/4" (exact match required)
• Fuse Type: Cartridge (ceramic or glass acceptable within voltage constraints)
• Response Time: Slow Blow (exact match required)
• Mounting Type: Requires Holder (exact match required)

Secondary Compatibility Factors:

• Voltage Rating - DC: 125 V or higher acceptable
• Size / Dimension: 0.250" Dia x 1.250" L or equivalent metric dimensions
• Breaking Capacity: Must meet or exceed rated voltage requirements
• Approval Agencies: CE, CSA, UL, or cURus certifications

Substitute parts are grouped into three categories: parametric equivalents (identical electrical and mechanical specifications), direct manufacturer alternatives (same current and AC voltage with acceptable DC voltage variance), and manufacturer-recommended alternatives (certified substitutes with minor specification variations).

Parameter Comparison

Engineering Selection Recommendations

Parametric Equivalent - Littelfuse 032601.6HXP

The 032601.6HXP is a direct parametric equivalent to the 032601.6MXP. Both parts share identical electrical ratings (1.6 A, 250 V AC, 125 V DC), ceramic construction, slow-blow response, mechanical dimensions, and approval certifications (CE, CSA, PSE, UL). This part is suitable for direct substitution without circuit redesign or application re-evaluation. Both parts maintain active product status and ROHS3 compliance.

Direct Manufacturer Alternative - SCHURTER 0001.2526

The SCHURTER 0001.2526 matches the 1.6 A current rating and 250 V AC voltage requirement. This part differs in fuse construction (glass cartridge versus ceramic) and DC voltage rating (63 V versus 125 V). The glass construction and reduced DC rating restrict this part to AC-dominant applications or circuits where DC voltage does not exceed 63 V. The 0001.2526 carries cURus certification and maintains ROHS3 compliance. Melting I²t is significantly lower (4.2 versus 45), indicating faster thermal response characteristics.

Manufacturer-Recommended Alternative - Eaton BK/MDA-1-6/10-R

The Eaton BK/MDA-1-6/10-R is a ceramic cartridge fuse rated for 1.6 A and 250 V AC. DC voltage rating is not specified in available data. This part maintains the same mechanical package (3AB, 3AG, 1/4" x 1-1/4") and slow-blow response. Certifications include CE, CSA, and UL. DC cold resistance (0.16 Ohms) is comparable to the main part (0.176 Ohms). This part is suitable for applications where DC voltage specification is not critical or where DC operation is not required.

Manufacturer-Recommended Alternative - Bel Fuse GSA 1.6-R

The Bel Fuse GSA 1.6-R is a ceramic cartridge fuse rated for 1.6 A and 250 V AC. DC voltage rating is not specified. This part maintains identical mechanical dimensions and slow-blow response characteristics. Certifications include CE, CSA, cULus, and PSE. DC cold resistance (0.155 Ohms) is slightly lower than the main part. Operating temperature range (-55°C ~ 125°C) matches the main part. Melting I²t (39) is comparable to the main part (45). This part is suitable for direct substitution in applications where DC voltage specification is not critical.

Frequently Asked Questions (FAQ)

Q: Can the SCHURTER 0001.2526 be used in place of the Littelfuse 032601.6MXP in all applications?

A: The SCHURTER 0001.2526 is suitable only for applications where DC voltage does not exceed 63 V. The main part is rated for 125 V DC. If your circuit operates at DC voltages between 63 V and 125 V, the 0001.2526 is not appropriate. Additionally, the glass construction and lower melting I²t (4.2 versus 45) indicate different thermal response characteristics. Verify DC voltage requirements before substitution.

Q: What is the difference between ceramic and glass fuse cartridges?

A: Ceramic and glass cartridge fuses both provide overcurrent protection in 3AB/3AG holders. Ceramic construction typically offers higher breaking capacity and is preferred for higher-energy circuits. Glass construction allows visual inspection of the fuse element and is commonly used in lower-energy applications. Both types are available in identical current ratings and mechanical packages. Selection depends on application requirements and circuit energy levels.

Q: Are the Eaton BK/MDA-1-6/10-R and Bel Fuse GSA 1.6-R suitable for DC applications?

A: Both parts are rated for 250 V AC operation. DC voltage ratings are not specified in available technical data. If your application requires confirmed DC voltage rating, the Littelfuse 032601.6MXP (125 V DC) or 032601.6HXP (125 V DC) are the appropriate choices. Contact the manufacturer for DC voltage specifications on the Eaton and Bel Fuse parts if DC operation is required.

Q: Do all substitute parts fit in the same 3AB/3AG holder?

A: All substitute parts listed are designed for 3AB and 3AG holders with 1/4" x 1-1/4" mechanical dimensions. Physical dimensions are equivalent across all parts (0.250" diameter, approximately 1.250" length). All parts are mechanically interchangeable in standard 3AB/3AG fuse holders.

Q: Which substitute part has the closest thermal response to the main part?

A: The Littelfuse 032601.6HXP has identical melting I²t (45) to the main part, indicating matching thermal response characteristics. The Bel Fuse GSA 1.6-R has melting I²t of 39, which is comparable. The Eaton BK/MDA-1-6/10-R has melting I²t of 4.6, and the SCHURTER 0001.2526 has melting I²t of 4.2, both indicating faster thermal response. For applications requiring identical thermal characteristics, the 032601.6HXP is the appropriate choice.

Q: What certifications are required for my application?

A: All substitute parts carry multiple international certifications. The main part (032601.6MXP) and its parametric equivalent (032601.6HXP) carry CE, CSA, PSE, and UL certifications. The Bel Fuse GSA 1.6-R carries CE, CSA, cULus, and PSE certifications. The Eaton BK/MDA-1-6/10-R carries CE, CSA, and UL certifications. The SCHURTER 0001.2526 carries cURus certification. Verify that your application requirements match the certifications of the selected part.