5HTP 10 Ceramic Fuse - Equivalent & Substitute Parts

Part Overview

The 5HTP 10 is a 10 A, 250 V AC ceramic cartridge fuse manufactured by Bel Fuse Inc. in a 5mm x 20mm axial package with slow-blow response characteristics. This part is classified as obsolete, making equivalent and substitute components necessary for ongoing system maintenance and new designs. Substitute parts must maintain identical electrical ratings, mechanical dimensions, and thermal response to ensure direct functional replacement without circuit redesign.

Key Parameters

Parameter	Value
Current Rating	10 A
Voltage Rating (AC)	250 V
Fuse Type	Cartridge, Ceramic
Package / Case	5mm x 20mm (Axial)
Response Time	Slow Blow
Mounting Type	Through Hole
Breaking Capacity @ Rated Voltage	1.5 kA
Operating Temperature Range	-55°C to 125°C

Substitute Part Grouping Explanation

Substitution validity is determined by strict equivalence across the following parameters: current rating (10 A), AC voltage rating (250 V), fuse type (ceramic cartridge), package dimensions (5mm x 20mm), response time (slow blow), and mounting configuration (through hole). Parts are grouped into three categories based on substitution relationship:

Direct Manufacturer Equivalents: Parts with identical electrical and mechanical specifications from the original manufacturer or alternative manufacturers with matching breaking capacity and thermal characteristics.

Similar Manufacturer Parts: Components meeting all core electrical and mechanical requirements but with minor dimensional variations or different mounting holder requirements that may affect installation compatibility.

Parametric Equivalents: Parts satisfying all functional electrical parameters and package dimensions with active product status and current manufacturing availability.

Parameter Comparison

Part Number	Manufacturer	Current Rating (A)	Voltage AC (V)	Voltage DC (V)	Package	Mounting Type	Breaking Capacity	Response Time	Product Status	RoHS Status
5HTP 10	Bel Fuse Inc.	10	250	—	5mm x 20mm	Through Hole	1.5 kA	Slow Blow	Obsolete	Non-compliant
5HTP 10-R	Bel Fuse Inc.	10	250	—	5mm x 20mm	Through Hole	1.5 kA	Slow Blow	Active	ROHS3 Compliant
0001.2514.PT	SCHURTER Inc.	10	250	150	5mm x 20mm	Through Hole	1 kA AC / 1.5 kA DC	Slow Blow	Active	ROHS3 Compliant
0215010.HXP	Littelfuse Inc.	10	250	—	5mm x 20mm	Requires Holder	1.5 kA	Slow Blow	Active	ROHS3 Compliant
0215010.MXEP	Littelfuse Inc.	10	250	—	5mm x 20mm	Through Hole	1.5 kA	Slow Blow	Active	ROHS3 Compliant
TCD-P-10A	OptiFuse	10	250	—	5mm x 20mm	Through Hole	1.5 kA	Slow Blow	Active	ROHS3 Compliant

Engineering Selection Recommendations

Primary Recommendation: 5HTP 10-R (Bel Fuse Inc.) is the direct successor to the obsolete 5HTP 10. It maintains identical electrical and mechanical specifications while offering active product status and ROHS3 compliance. This part provides the highest compatibility assurance for direct replacement applications.

Secondary Recommendations: 0215010.MXEP (Littelfuse Inc.) and TCD-P-10A (OptiFuse) are functionally equivalent alternatives with through-hole mounting, active product status, and ROHS3 compliance. Both meet all core electrical parameters and package requirements.

Conditional Recommendation: 0001.2514.PT (SCHURTER Inc.) is suitable for applications requiring DC voltage capability (150 V DC rating). This part offers extended voltage range coverage while maintaining AC equivalence. Note the reduced AC breaking capacity (1 kA AC versus 1.5 kA) compared to the original specification.

Installation Consideration: 0215010.HXP (Littelfuse Inc.) requires a separate fuse holder for installation, unlike the through-hole mounting of the original part. This substitution is valid only when holder compatibility is confirmed in the target application.

Frequently Asked Questions (FAQ)

Q: Can 5HTP 10-R be used as a direct replacement for 5HTP 10? A: Yes. The 5HTP 10-R maintains identical current rating (10 A), voltage rating (250 V AC), package dimensions (5mm x 20mm), response time (slow blow), and mounting type (through hole). It is the active production equivalent of the obsolete 5HTP 10.

Q: What is the difference between 0215010.HXP and 0215010.MXEP? A: Both are Littelfuse 215 series 10 A, 250 V AC ceramic cartridge fuses in 5mm x 20mm packages. The primary difference is mounting type: 0215010.HXP requires a separate fuse holder, while 0215010.MXEP features through-hole mounting compatible with the original 5HTP 10 installation.

Q: Is 0001.2514.PT suitable for AC-only applications? A: Yes. The 0001.2514.PT meets all AC requirements (10 A, 250 V AC, slow blow, 5mm x 20mm). The additional 150 V DC rating does not affect AC operation. However, note the AC breaking capacity is 1 kA compared to 1.5 kA for the original part.

Q: Are all substitute parts ROHS3 compliant? A: All active substitute parts listed (5HTP 10-R, 0001.2514.PT, 0215010.HXP, 0215010.MXEP, TCD-P-10A) are ROHS3 compliant. The original 5HTP 10 is RoHS non-compliant due to its obsolete status.

Q: What certifications do these fuses carry? A: The 5HTP 10-R carries CE, CSA, PSE, and UR approvals. The 0001.2514.PT carries cURus certification. The Littelfuse parts (0215010.HXP, 0215010.MXEP) carry CE, CSA, KC, PSE, SEMKO, UL, and VDE approvals. The TCD-P-10A carries cURus and IEC 60127 certifications.

Q: Can these fuses be used interchangeably in existing PCB designs? A: Yes, provided the mounting type matches. Through-hole mounted parts (5HTP 10-R, 0215010.MXEP, TCD-P-10A) are directly interchangeable. The 0215010.HXP requires holder compatibility verification before substitution.

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