Littelfuse 0215002.H Ceramic Fuse 2A 250VAC 5x20mm - Equivalent & Substitute Parts

Part Overview

The Littelfuse 0215002.H is a 2A 250VAC ceramic cartridge fuse in 5x20mm form factor with slow-blow response characteristics. This part is classified as obsolete, making equivalent substitutes necessary for ongoing system maintenance and new designs. The fuse requires a compatible holder for installation and is designed for general-purpose circuit protection applications requiring slow-blow response.

Key Parameters

Parameter	Value
Current Rating	2 A
Voltage Rating (AC)	250 V
Fuse Type	Cartridge, Ceramic
Package / Case	5mm x 20mm
Response Time	Slow Blow
Breaking Capacity @ Rated Voltage	1.5kA
Mounting Type	Requires Holder
Operating Temperature Range	-55°C ~ 125°C

Substitute Part Grouping Explanation

Substitution for the Littelfuse 0215002.H is determined by strict equivalence across the following parameters:

Current Rating: 2 A (exact match required)
Voltage Rating (AC): 250 V (exact match required)
Fuse Type: Cartridge, Ceramic (exact match required)
Package / Case: 5mm x 20mm (exact match required)
Response Time: Slow Blow (exact match required)
Breaking Capacity @ Rated Voltage: 1.5kA (exact match required)
Mounting Type: Requires Holder (exact match required)

All substitute parts listed below meet these core electrical and mechanical parameters. Secondary variations in melting I²t, DC cold resistance, and approval agencies do not preclude substitution when primary parameters align.

Parameter Comparison

Part Number	Manufacturer	Current Rating	Voltage (AC)	Voltage (DC)	Response Time	Package	Breaking Capacity	Melting I²t	Product Status	RoHS Status
0215002.H	Littelfuse Inc.	2 A	250 V	—	Slow Blow	5x20mm	1.5kA	6.95	Obsolete	RoHS non-compliant
0215002.HXP	Littelfuse Inc.	2 A	250 V	—	Slow Blow	5x20mm	1.5kA	11.68	Active	ROHS3 Compliant
0001.2507	SCHURTER Inc.	2 A	250 V	300 V	Slow Blow	5x20mm	1.5kA	9.2	Active	ROHS3 Compliant
5HT 2-R	Bel Fuse Inc.	2 A	250 V	—	Slow Blow	5x20mm	1.5kA	9.7	Active	ROHS3 Compliant
BK/S505-2-R	Eaton - Electronics Division	2 A	250 V	—	Slow Blow	5x20mm	1.5kA	9.6	Active	ROHS3 Compliant
BK1/S505-2-R	Eaton - Electronics Division	2 A	250 V	—	Slow Blow	5x20mm	1.5kA	9.6	Active	ROHS3 Compliant
S505-2-R	Eaton - Electronics Division	2 A	250 V	—	Slow Blow	5x20mm	1.5kA	9.6	Active	RoHS Compliant

Engineering Selection Recommendations

All listed substitute parts maintain electrical and mechanical equivalence to the Littelfuse 0215002.H across primary parameters. Selection among active alternatives should prioritize the following factors:

Littelfuse 0215002.HXP — Direct manufacturer alternative from Littelfuse Inc. with active product status and ROHS3 compliance. Recommended for designs requiring continuity with the original manufacturer ecosystem.

SCHURTER 0001.2507 — Offers extended DC voltage rating (300V DC) in addition to 250V AC specification, providing broader application flexibility. ROHS3 compliant with active status.

Bel Fuse 5HT 2-R — Highest inventory availability (39,822 pcs) with comprehensive international approval certifications including CCC, CE, CSA, cURus, IMQ, PSE, SEMKO, and VDE. ROHS3 compliant.

Eaton S505 Series (BK/S505-2-R, BK1/S505-2-R, S505-2-R) — Multiple variants within the same series with active status and broad certification coverage. BK/S505-2-R and BK1/S505-2-R carry ROHS3 compliance; S505-2-R carries RoHS compliance. All three variants share identical electrical parameters.

Frequently Asked Questions (FAQ)

Q: Can I use any of these substitute parts interchangeably with the Littelfuse 0215002.H?

A: Yes. All listed substitutes meet the core electrical and mechanical requirements: 2A current rating, 250V AC voltage rating, slow-blow response, 5x20mm ceramic cartridge form factor, 1.5kA breaking capacity, and holder-mount installation. Physical dimensions and electrical performance are equivalent for circuit protection applications.

Q: What is the difference between the Littelfuse 0215002.H and 0215002.HXP?

A: Both are Littelfuse ceramic 2A 250VAC 5x20mm fuses with identical electrical ratings. The primary differences are product status (0215002.H is obsolete; 0215002.HXP is active), RoHS compliance (0215002.HXP is ROHS3 compliant), and melting I²t value (6.95 vs. 11.68). The 0215002.HXP is the active equivalent for new designs.

Q: Does the SCHURTER 0001.2507 offer any advantage over other substitutes?

A: The SCHURTER 0001.2507 includes a 300V DC voltage rating in addition to the 250V AC specification. This extended DC rating may provide application flexibility in designs requiring dual AC/DC protection, though the 250V AC and 2A current specifications remain identical to all other substitutes.

Q: Why do the Eaton S505 series parts have different part numbers (BK/S505-2-R, BK1/S505-2-R, S505-2-R)?

A: All three Eaton variants share identical electrical parameters and breaking capacity. The designations reflect packaging or internal configuration differences. All three are functionally equivalent for the specified 2A 250VAC 5x20mm slow-blow application.

Q: Are there any compliance or certification differences I should consider?

A: All substitutes carry international certifications appropriate for ceramic fuse applications. Bel Fuse 5HT 2-R and Eaton variants carry the broadest certification coverage (CCC, CE, CSA, cURus, IMQ, PSE, SEMKO, VDE). SCHURTER 0001.2507 carries CCC, cURus, KC, PSE/JET, and VDE certifications. All active parts are ROHS3 compliant except S505-2-R, which carries standard RoHS compliance.

Q: Can I mix different substitute parts in the same circuit or system?

A: Yes. All substitutes meet identical electrical and mechanical specifications for the 2A 250VAC 5x20mm slow-blow application. However, for consistency in maintenance and inventory management, using a single substitute part number across a system is recommended.

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