BK/GMD-600-R Equivalent & Substitute Parts

Part Overview

The BK/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 5mm x 20mm holder applications and is currently in active production status. The part is stocked with 1056 units available. Equivalent and substitute parts are identified to support procurement flexibility, inventory management, and supply chain continuity for applications requiring 600 mA protection at 250 V AC/DC with slow-blow response characteristics.

Substiute Parts

BK/GMD-600-R

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

Current PartRFQ

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 BK/GMD-600-R is determined by strict equivalence across the following critical parameters:

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

All identified substitute parts meet these criteria. Substitute parts are classified as direct manufacturer equivalents when all electrical and mechanical parameters align with the main part specification.

Parameter Comparison

Engineering Selection Recommendations

BK/GMD-600-R (Eaton - Electronics Division)

Primary selection for applications requiring CSA and UL certifications. Active product status with established supply. Suitable for standard industrial and commercial 250 V AC/DC circuits requiring 600 mA slow-blow protection.

0239.600MXP (Littelfuse Inc.)

Direct electrical and mechanical equivalent. Offers expanded approval certifications (CE, CSA, KC, UL) for international applications. Lower DC cold resistance (0.699 Ohms vs. 0.948 Ohms) and lower melting I²t (2.415 vs. 3.1) indicate faster thermal response. Specified operating temperature range (-55°C ~ 125°C) provides environmental performance data. Active product status with higher inventory availability (1643 units).

0239.600HXP (Littelfuse Inc.)

Parametric equivalent with identical electrical and mechanical specifications to 0239.600MXP. Same expanded certifications (CE, CSA, KC, UL) and operating temperature range (-55°C ~ 125°C). Identical DC cold resistance and melting I²t characteristics. Active product status with 1510 units in stock.

All three parts are suitable for direct substitution in 5mm x 20mm holder applications requiring 600 mA, 250 V AC/DC slow-blow protection. Selection between Littelfuse options (0239.600MXP and 0239.600HXP) depends on specific application requirements and regional certification needs.

Frequently Asked Questions (FAQ)

Q: Can the 0239.600MXP or 0239.600HXP be used as direct replacements for the BK/GMD-600-R?

A: Yes. Both Littelfuse parts meet all critical electrical and mechanical parameters: 600 mA current rating, 250 V AC voltage rating, slow-blow response, 5mm x 20mm package, 35 A breaking capacity, and cartridge glass fuse type. All three parts are compatible with standard 5mm x 20mm fuse holders.

Q: What is the difference between 0239.600MXP and 0239.600HXP?

A: Both parts are parametric equivalents with identical electrical and mechanical specifications. They share the same current rating, voltage rating, response time, package dimensions, breaking capacity, DC cold resistance (0.699 Ohms), melting I²t (2.415), certifications (CE, CSA, KC, UL), and operating temperature range (-55°C ~ 125°C). Selection between these two Littelfuse options should be based on application-specific requirements and availability.

Q: Why do the Littelfuse parts show lower DC cold resistance and melting I²t compared to the Eaton part?

A: DC cold resistance and melting I²t are provided specifications that differ between manufacturers. These values reflect design and manufacturing differences but do not affect the functional equivalence of the parts for 600 mA, 250 V AC/DC slow-blow protection. All parts meet the same breaking capacity (35 A) and response time classification.

Q: Are all three parts RoHS3 compliant?

A: Yes. The BK/GMD-600-R, 0239.600MXP, and 0239.600HXP are all ROHS3 compliant and REACH unaffected.

Q: What certifications apply to each part?

A: BK/GMD-600-R carries CSA and UL approvals. Both Littelfuse parts (0239.600MXP and 0239.600HXP) carry CE, CSA, KC, and UL approvals, providing broader international certification coverage.

Q: Do these fuses require a specific holder type?

A: All three parts are cartridge glass fuses requiring a 5mm x 20mm fuse holder. They are not panel-mount or surface-mount components and must be installed in a compatible holder assembly.

Q: What is the difference between slow-blow and fast-blow fuses?

A: Slow-blow fuses tolerate temporary inrush currents and brief overcurrent conditions before opening. Fast-blow fuses open immediately upon overcurrent. All three parts in this comparison are slow-blow fuses, making them suitable for circuits with inrush current characteristics typical of inductive loads and motor applications.