Bel Fuse Inc. 5HF 10 Ceramic Cartridge Fuse Equivalent & Substitute Parts

Part Overview

The Bel Fuse Inc. 5HF 10 is a 10 A, 250 V AC/DC ceramic cartridge fuse with fast-blow response characteristics, designed for 5mm x 20mm holder applications. The main part (5HF 10) carries an obsolete product status, necessitating identification of active equivalent alternatives. Direct substitutes from Bel Fuse Inc. and cross-manufacturer equivalents from Littelfuse Inc. are available with identical electrical ratings and mechanical form factors.

Key Parameters

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

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict equivalence across the following parameters: current rating (10 A), voltage rating (250 V AC), fuse type (cartridge ceramic), package dimensions (5mm x 20mm), response time (fast blow), breaking capacity (1.5 kA), and operating temperature range (-55°C to 125°C).

All substitute parts listed maintain these core electrical and mechanical specifications. Differences in melting I²t values, DC cold resistance, and dimensional tolerances (within the 5mm x 20mm envelope) do not preclude substitution when these parameters fall within acceptable engineering ranges for the application.

The primary distinction between substitute groups is product status: the main part (5HF 10) is obsolete, while all listed substitutes are active. Secondary considerations include RoHS compliance status and approval agency certifications.

Parameter Comparison

Part Number	Manufacturer	Current Rating (A)	Voltage Rating (V AC)	Package	Response Time	Breaking Capacity (kA)	Operating Temp (°C)	Product Status	RoHS Status
5HF 10	Bel Fuse Inc.	10	250	5mm x 20mm	Fast Blow	1.5	-55 to 125	Obsolete	Non-compliant
5HF 10-R	Bel Fuse Inc.	10	250	5mm x 20mm	Fast Blow	1.5	-55 to 125	Active	ROHS3 Compliant
0216010.HXP	Littelfuse	10	250	5mm x 20mm	Fast Blow	1.5	-55 to 125	Active	ROHS3 Compliant
0216010.MXBP	Littelfuse Inc.	10	250	5mm x 20mm	Fast Blow	1.5	-55 to 125	Active	ROHS3 Compliant
0216010.MXP	Littelfuse Inc.	10	250	5mm x 20mm	Fast Blow	1.5	-55 to 125	Active	ROHS3 Compliant
0216010.TXP	Littelfuse Inc.	10	250	5mm x 20mm	Fast Blow	1.5	-55 to 125	Active	ROHS3 Compliant
0216010.VXP	Littelfuse Inc.	10	250	5mm x 20mm	Fast Blow	1.5	-55 to 125	Active	ROHS3 Compliant

Engineering Selection Recommendations

For applications currently using the obsolete 5HF 10, the direct replacement is 5HF 10-R from Bel Fuse Inc., which maintains identical electrical and mechanical specifications while offering active product status and ROHS3 compliance.

Littelfuse 216 series parts (0216010.HXP, 0216010.MXBP, 0216010.MXP, 0216010.TXP, 0216010.VXP) provide cross-manufacturer equivalence with expanded approval agency certifications including KC and VDE. All Littelfuse alternatives are active products with ROHS3 compliance.

Selection between Bel Fuse and Littelfuse alternatives depends on supply chain requirements, approval agency certifications needed for the end application, and inventory availability. All listed substitutes are electrically and mechanically interchangeable within the specified 5mm x 20mm holder.

Frequently Asked Questions (FAQ)

Q: Can I use Littelfuse 216 series fuses as direct replacements for the Bel Fuse 5HF 10?

A: Yes. The Littelfuse 0216010 series parts (HXP, MXBP, MXP, TXP, VXP variants) are electrically and mechanically equivalent. All maintain 10 A current rating, 250 V AC voltage rating, fast-blow response, 1.5 kA breaking capacity, and 5mm x 20mm form factor. Dimensional tolerances differ slightly (5.20mm vs 5.10mm diameter) but remain within the 5mm x 20mm holder specification.

Q: What is the difference between 5HF 10 and 5HF 10-R?

A: Both are Bel Fuse Inc. products with identical electrical and mechanical specifications. The primary difference is product status: 5HF 10 is obsolete, while 5HF 10-R is active. Additionally, 5HF 10-R is ROHS3 compliant, whereas 5HF 10 is non-compliant.

Q: Are there differences in approval certifications between substitute parts?

A: Yes. The main part (5HF 10) carries CCC, CE, CSA, PSE, SEMKO, and UL certifications. The direct replacement (5HF 10-R) includes cURus in addition to these. Littelfuse alternatives add KC and VDE certifications. Select the part whose certification profile matches your application requirements.

Q: Do melting I²t and DC cold resistance differences affect substitution?

A: These parameters differ between manufacturers but do not preclude substitution. Bel Fuse 5HF 10 specifies 227 melting I²t and 0.006 Ohms DC cold resistance. Littelfuse 216 series parts specify 154.34 melting I²t and 0.0079 Ohms. Both sets of values are within acceptable ranges for 10 A ceramic cartridge fuses and do not impact holder compatibility or circuit protection function.

Q: Can I mix Bel Fuse and Littelfuse fuses in the same application?

A: Yes, provided the holder accommodates the slight dimensional variation (5.10mm vs 5.20mm diameter). Both maintain the 5mm x 20mm envelope and are mechanically compatible with standard 5x20mm fuse holders.

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