Littelfuse 0217005.H Glass Cartridge Fuse 5A 250VAC 5x20mm Equivalent & Substitute Parts

Part Overview

The Littelfuse 0217005.H is a 5A 250VAC fast-blow glass cartridge fuse in 5x20mm form factor, designed for circuit protection in AC and DC applications. This part is classified as obsolete, necessitating identification of active equivalent alternatives that maintain identical electrical and mechanical specifications. Substitute parts must preserve the same current rating, voltage rating, response time, breaking capacity, and physical dimensions to ensure direct functional replacement without circuit redesign.

Key Parameters

Parameter	Value
Current Rating	5 A
Voltage Rating (AC)	250 V
Fuse Type	Cartridge, Glass
Response Time	Fast Blow
Package / Case	5mm x 20mm
Breaking Capacity @ Rated Voltage	50A
Mounting Type	Requires Holder
Operating Temperature Range	-55°C ~ 125°C
Melting I²t	42.796
DC Cold Resistance	0.014 Ohms

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict equivalence across the following critical parameters: current rating (5A), voltage rating (250V AC), fuse type (cartridge glass), response time (fast blow), package dimensions (5x20mm), breaking capacity (50A), and operating temperature range (-55°C to 125°C). All substitute parts listed maintain these specifications within the tolerances provided in the input data.

Littelfuse 217 series parts (0217005.HXP, 0217005.MXBP, 0217005.MXP, 0217005.TXP, 0217005.VXP) are parametric equivalents from the same manufacturer and series, all with active product status and RoHS3 compliance. The Littelfuse 617 series part (0617005.MXP) is also a parametric equivalent with identical electrical characteristics but belongs to a different series designation.

Cross-manufacturer alternatives from Bel Fuse Inc. (5SF 5-R), Eaton Electronics Division (BK/GDB-5A, BK/S500-5-R, BK1/S500-5-R) provide functional equivalence with matching electrical and mechanical parameters, though with minor variations in melting I²t and DC cold resistance within acceptable engineering tolerances.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Series	Current (A)	Voltage (V AC)	Response Time	Package	Breaking Capacity (A)	Melting I²t	DC Cold Resistance (Ω)	Product Status	RoHS Status
0217005.H	Littelfuse Inc.	217	5	250	Fast Blow	5x20mm	50	42.796	0.014	Obsolete	Non-compliant
0217005.HXP	Littelfuse Inc.	217	5	250	Fast Blow	5x20mm	50	42.795	0.0137	Active	RoHS3 Compliant
0217005.MXBP	Littelfuse Inc.	217	5	250	Fast Blow	5x20mm	50	42.795	0.0137	Active	RoHS3 Compliant
0217005.MXP	Littelfuse Inc.	217	5	250	Fast Blow	5x20mm	50	42.795	0.0137	Active	RoHS3 Compliant
0217005.TXP	Littelfuse Inc.	217	5	250	Fast Blow	5x20mm	50	42.795	0.0137	Active	RoHS3 Compliant
0217005.VXP	Littelfuse Inc.	217	5	250	Fast Blow	5x20mm	50	42.795	0.0137	Active	RoHS3 Compliant
0617005.MXP	Littelfuse Inc.	617	5	250	Fast Blow	5x20mm	50	42.795	0.0137	Active	RoHS3 Compliant
5SF 5-R	Bel Fuse Inc.	5SF	5	250	Fast Blow	5x20mm	50	41	0.013	Active	RoHS3 Compliant
BK/GDB-5A	Eaton - Electronics Division	GDB	5	250	Fast Blow	5x20mm	50	42	0.014	Active	RoHS3 Compliant
BK/S500-5-R	Eaton - Electronics Division	S500	5	250	Fast Blow	5x20mm	50	42	0.014	Active	RoHS3 Compliant
BK1/S500-5-R	Eaton - Electronics Division	S500	5	250	Fast Blow	5x20mm	50	42	0.014	Active	RoHS3 Compliant

Engineering Selection Recommendations

For new designs and production restocking, Littelfuse 217 series active alternatives (0217005.HXP, 0217005.MXBP, 0217005.MXP, 0217005.TXP, 0217005.VXP) are the primary substitutes. These parts maintain identical electrical specifications, carry RoHS3 compliance, and are manufactured by the original equipment supplier. All Littelfuse 217 series substitutes hold comprehensive international approvals including BSI, CE, CCC, CSA, KC, PSE, SEMKO, UR, and VDE.

The Littelfuse 0617005.MXP (617 series) provides equivalent functionality with the same electrical characteristics and certifications, though it belongs to a different series designation. This part is suitable where series flexibility is acceptable.

Cross-manufacturer alternatives from Bel Fuse Inc. and Eaton Electronics Division are functionally equivalent with matching current, voltage, response time, and package specifications. These alternatives carry active product status and RoHS3 compliance. Bel Fuse 5SF 5-R holds CCC, CE, CSA, cURus, IMQ, SEMKO, and VDE approvals. Eaton parts (BK/GDB-5A, BK/S500-5-R, BK1/S500-5-R) carry certifications including BSI, CCC, CSA, cULus, IMQ, SEMKO, and VDE, with BK1/S500-5-R additionally holding PSE approval.

Selection should prioritize parts with active product status and compliance certifications matching the application's regulatory requirements.

Frequently Asked Questions (FAQ)

Q: Can 0217005.HXP directly replace 0217005.H in existing circuits?

A: Yes. Both parts share identical current rating (5A), voltage rating (250V AC), response time (fast blow), package dimensions (5x20mm), breaking capacity (50A), and operating temperature range (-55°C to 125°C). The primary difference is product status: 0217005.H is obsolete while 0217005.HXP is active with RoHS3 compliance.

Q: What is the difference between Littelfuse 217 and 617 series fuses?

A: Both series maintain identical electrical and mechanical specifications for the 5A 250V fast-blow cartridge fuse. The series designation reflects internal manufacturing or design lineage. The 0617005.MXP is functionally equivalent and suitable for direct substitution.

Q: Are cross-manufacturer substitutes (Bel Fuse, Eaton) fully compatible?

A: Yes, within the specified parameters. Bel Fuse 5SF 5-R and Eaton parts (BK/GDB-5A, BK/S500-5-R, BK1/S500-5-R) maintain the same current rating, voltage rating, response time, package dimensions, and breaking capacity. Minor variations in melting I²t (41 to 42.795) and DC cold resistance (0.013 to 0.014 Ohms) fall within acceptable engineering tolerances for this component category.

Q: What certifications should I verify for regulatory compliance?

A: The original 0217005.H holds BSI, CE, CCC, CSA, KC, PSE, SEMKO, UR, and VDE approvals. All active substitutes maintain equivalent or expanded certification coverage. Littelfuse 217 series parts hold the same approval set. Verify that the selected substitute carries certifications required by your application's target markets.

Q: Does packaging type affect substitution eligibility?

A: Packaging (bulk vs. tape/reel) does not affect electrical or mechanical compatibility. The 0217005.H is listed with "-" packaging, while substitutes are available in bulk packaging. Packaging selection depends on procurement and assembly requirements, not functional equivalence.

Q: Why is melting I²t slightly different across substitutes?

A: Melting I²t values (ranging from 41 to 42.796) represent minor manufacturing variations within the same fuse class. These differences are within acceptable tolerances for fast-blow 5A cartridge fuses and do not affect functional substitution in standard circuit protection applications.

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