GMD-600-R Equivalent & Substitute Parts Reference

Part Overview

The GMD-600-R is a 600 mA, 250 V AC/DC glass cartridge fuse manufactured by Eaton - Electronics Division. This slow-blow fuse is designed for applications requiring overcurrent protection in a 5mm x 20mm form factor with holder mounting. The part is currently active in production with 1081 pieces in stock. Equivalent and substitute parts are identified for procurement flexibility, inventory management, and supply chain continuity when the primary part becomes unavailable or when alternative manufacturers' components meet identical electrical and mechanical specifications.

Substiute Parts

GMD-600-R

Eaton - Electronics DivisionIn Stock: 1157GMD-600-R Datasheet

Current PartRFQ

BK/GMD-600-R

Eaton - Electronics DivisionIn Stock: 1075BK/GMD-600-R Datasheet

DirectRFQ

0239.600MXP

Littelfuse Inc.In Stock: 16600239.600MXP Datasheet

DirectRFQ

0239.600HXP

Littelfuse Inc.In Stock: 15440239.600HXP Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the GMD-600-R is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

• Current Rating: 600 mA
• Voltage Rating (AC): 250 V
• Fuse Type: Cartridge, Glass
• Response Time: Slow Blow
• Package / Case: 5mm x 20mm
• Mounting Type: Requires Holder
• Breaking Capacity @ Rated Voltage: 35A

All identified substitute parts match these parameters exactly. Substitute parts are grouped into two categories:

Direct Manufacturer Equivalent: BK/GMD-600-R (Eaton - Electronics Division) - identical part with alternative packaging designation.

Parametric Equivalents: 0239.600MXP and 0239.600HXP (Littelfuse Inc., Series 239) - functionally equivalent parts from alternative manufacturer meeting all electrical and mechanical specifications.

Parameter Comparison

Engineering Selection Recommendations

Primary Selection - GMD-600-R (Eaton - Electronics Division): Use as the baseline component. Active production status with 1081 pieces in stock. Holds CSA and UL approvals. ROHS3 compliant. Suitable for all applications requiring 600 mA, 250 V AC/DC slow-blow cartridge fuse protection.

Alternative 1 - BK/GMD-600-R (Eaton - Electronics Division): Direct equivalent from the same manufacturer. Identical electrical and mechanical specifications. 1056 pieces in stock. Interchangeable with GMD-600-R without design modification. Use when primary part number is unavailable from specific suppliers.

Alternative 2 - 0239.600MXP (Littelfuse Inc., Series 239): Parametric equivalent from alternative manufacturer. Meets all critical electrical and mechanical parameters. Holds expanded approvals: CE, CSA, KC, UL. Operating temperature range specified as -55°C ~ 125°C. 1643 pieces in stock. Lower DC cold resistance (0.699 Ohms vs. 0.948 Ohms) and lower melting I²t (2.415 vs. 3.1). Use when Littelfuse supply chain is preferred or when expanded temperature operating range is required.

Alternative 3 - 0239.600HXP (Littelfuse Inc., Series 239): Parametric equivalent from alternative manufacturer. Identical specifications to 0239.600MXP. Holds CE, CSA, KC, UL approvals. Operating temperature range -55°C ~ 125°C. 1510 pieces in stock. Interchangeable with 0239.600MXP. Use based on supplier availability and lead time requirements.

All four parts are active production components with adequate inventory. Selection between Eaton and Littelfuse alternatives depends on supply chain strategy, approval requirements for specific markets, and thermal operating environment specifications.

Frequently Asked Questions (FAQ)

Q: Can GMD-600-R be directly replaced with BK/GMD-600-R?

A: Yes. BK/GMD-600-R is a direct manufacturer equivalent from Eaton - Electronics Division with identical electrical and mechanical specifications. No design modification is required. Both parts are interchangeable in all applications.

Q: What are the differences between Eaton GMD series and Littelfuse 239 series fuses?

A: Both series meet identical electrical specifications for the 600 mA, 250 V slow-blow cartridge fuse. Key differences are: Eaton GMD-600-R has DC cold resistance of 0.948 Ohms and melting I²t of 3.1. Littelfuse 0239.600MXP and 0239.600HXP have DC cold resistance of 0.699 Ohms and melting I²t of 2.415. Littelfuse parts carry expanded approvals (CE, CSA, KC, UL) and specified operating temperature range (-55°C ~ 125°C). Eaton parts carry CSA and UL approvals.

Q: Are the 5mm x 20mm dimensions identical across all four parts?

A: Yes. All four parts have identical physical dimensions: 0.205" Dia x 0.787" L (5.20mm x 20.00mm). All require holder mounting and are fully interchangeable in mechanical installation.

Q: Which substitute part should be selected for applications requiring extended temperature operation?

A: Littelfuse 0239.600MXP or 0239.600HXP are specified for operating temperature range -55°C ~ 125°C. Eaton GMD-600-R and BK/GMD-600-R do not have specified operating temperature limits in the provided data. Use Littelfuse alternatives when extended temperature operation is required.

Q: Do all substitute parts meet RoHS3 compliance?

A: Yes. All four parts are ROHS3 compliant. All are suitable for applications requiring RoHS3 certification.

Q: What is the inventory status for each part?

A: GMD-600-R: 1081 pieces. BK/GMD-600-R: 1056 pieces. 0239.600MXP: 1643 pieces. 0239.600HXP: 1510 pieces. All parts have adequate stock availability.

Q: Can Littelfuse 0239.600MXP and 0239.600HXP be used interchangeably?

A: Yes. Both Littelfuse parts have identical electrical and mechanical specifications and are fully interchangeable. Selection between them depends on supplier availability and lead time.