Littelfuse 0215012.MXGP Ceramic Fuse 12A 250VAC 5x20mm - Equivalent & Substitute Parts

Part Overview

The Littelfuse 0215012.MXGP is a ceramic cartridge fuse rated for 12 A at 250 V AC/DC with slow-blow response characteristics. This fuse is designed for applications requiring overcurrent protection in industrial and commercial equipment. The part is active in production and widely stocked. Substitute parts may be required due to inventory constraints, regional availability, or specific application certifications.

Key Parameters

Parameter	Value
Current Rating	12 A
Voltage Rating (AC)	250 V
Fuse Type	Cartridge, Ceramic
Package / Case	5mm x 20mm
Response Time	Slow Blow
Breaking Capacity @ Rated Voltage	1.5 kA
Operating Temperature Range	-55°C to 125°C
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict equivalence across the following parameters: current rating (12 A), voltage rating (250 V AC), fuse type (cartridge ceramic), physical package (5mm x 20mm), response time (slow blow), and operating temperature range (-55°C to 125°C). All listed substitutes meet these core electrical and mechanical requirements. Differences in breaking capacity, melting I²t, approval agencies, and DC cold resistance are noted but do not preclude substitution when the primary parameters align.

Parameter Comparison

Part Number	Manufacturer	Current Rating	Voltage (AC)	Package	Response Time	Breaking Capacity	Melting I²t	Approvals	Inventory
0215012.MXGP	Littelfuse Inc.	12 A	250 V	5mm x 20mm	Slow Blow	1.5 kA	515.5	CE, CSA, PSE, SEMKO, UL, VDE	1,075 Pcs
0215012.MXP	Littelfuse Inc.	12 A	250 V	5mm x 20mm	Slow Blow	1.5 kA	515.5	CE, CSA, PSE, SEMKO, UL, VDE	16,400 Pcs
0215012.TXP	Littelfuse Inc.	12 A	250 V	5mm x 20mm	Slow Blow	1.5 kA	515.5	CE, CSA, PSE, SEMKO, UL, VDE	950 Pcs
TCC-12A	OptiFuse	12 A	250 V	5mm x 20mm	Slow Blow	750 A	274.65	cULus, UL 248	874 Pcs
TCD-12A	OptiFuse	12 A	250 V	5mm x 20mm	Slow Blow	1.5 kA	Not Specified	IEC 60127	7,773 Pcs

Engineering Selection Recommendations

All listed substitute parts maintain the core electrical specifications (12 A, 250 V AC, slow-blow ceramic cartridge in 5mm x 20mm package) required for direct substitution with the 0215012.MXGP.

Littelfuse variants 0215012.MXP and 0215012.TXP are identical to the main part in all electrical and mechanical parameters, with identical approval certifications (CE, CSA, PSE, SEMKO, UL, VDE). These are preferred substitutes when Littelfuse inventory is required.

OptiFuse TCD-12A meets all core parameters and carries IEC 60127 certification, with the highest available inventory (7,773 pcs). This part is suitable for applications requiring IEC compliance.

OptiFuse TCC-12A meets all core parameters and carries cULus and UL 248 certifications. The breaking capacity is rated at 750 A (lower than the 1.5 kA of other options) and melting I²t is 274.65 (lower than Littelfuse variants). This part is suitable for applications requiring UL 248 compliance where the lower breaking capacity is acceptable.

Frequently Asked Questions (FAQ)

Q: Can I use OptiFuse parts as direct replacements for Littelfuse 0215012.MXGP?

A: Yes. OptiFuse TCD-12A and TCC-12A are parametric equivalents that share the same current rating (12 A), voltage rating (250 V AC), fuse type (ceramic cartridge), and physical package (5mm x 20mm). Verify that the certification requirements of your application (IEC 60127 for TCD-12A, UL 248 for TCC-12A) are acceptable.

Q: What is the difference between 0215012.MXGP, 0215012.MXP, and 0215012.TXP?

A: All three Littelfuse parts are electrically and mechanically identical. They differ only in packaging designation and inventory availability. 0215012.MXP has the highest stock level (16,400 pcs).

Q: Does the difference in breaking capacity between OptiFuse TCC-12A (750 A) and other substitutes (1.5 kA) affect compatibility?

A: Breaking capacity indicates the maximum fault current the fuse can safely interrupt. The lower breaking capacity of TCC-12A (750 A) is acceptable for applications where the available fault current does not exceed this rating. Verify your system's maximum available fault current before selecting TCC-12A.

Q: Are all substitutes RoHS3 compliant?

A: Yes. All listed substitute parts are ROHS3 compliant.

Q: What certifications should I consider when selecting a substitute?

A: The main part 0215012.MXGP carries CE, CSA, PSE, SEMKO, UL, and VDE certifications. Littelfuse variants maintain these certifications. OptiFuse TCD-12A carries IEC 60127 certification; OptiFuse TCC-12A carries cULus and UL 248 certifications. Select based on your application's regional and standards requirements.

Q: Can I mix different substitute parts in the same equipment?

A: All substitutes are mechanically and electrically compatible within the same holder. However, for consistency and traceability, use the same part number throughout an assembly or system.

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