Littelfuse 0218005.MXF14P Glass Cartridge Fuse 5A 250VAC 5x20mm Equivalent & Substitute Parts

Part Overview

The Littelfuse 0218005.MXF14P is a 5A 250VAC glass cartridge fuse in 5x20mm form factor, classified as a slow-blow fuse cartridge requiring a holder for installation. This component is active in production and widely used in power distribution and circuit protection applications. Equivalent and substitute parts are identified based on matching electrical ratings, mechanical dimensions, response characteristics, and regulatory approvals to ensure direct functional interchangeability in circuit protection designs.

Key Parameters

Parameter	Value
Current Rating	5 A
Voltage Rating (AC)	250 V
Fuse Type	Cartridge, Glass
Response Time	Slow Blow
Package / Case	5mm x 20mm
Breaking Capacity @ Rated Voltage	50A
Operating Temperature Range	-55°C ~ 125°C
Mounting Type	Requires Holder
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitute parts for the 0218005.MXF14P are grouped into two categories based on electrical and mechanical compatibility:

Category A: Direct Electrical Equivalents (Series 218 and 213) These parts maintain identical current rating (5A), voltage rating (250VAC), response time (slow-blow), and mechanical dimensions (5x20mm). Substitution is based on matching these core parameters. Parts in this category include 0218005.MXP, 0218005.HXP, 0218005.TXP, 0218005.VXP, 0213005.MXP, 0213005.MXBP, and 0213005.TXP.

Category B: Enhanced Breaking Capacity Equivalents (Series 219XA) Parts 0219005.MXAP and 0219005.MXABP maintain identical current, voltage, response time, and dimensions but feature increased breaking capacity (150A versus 50A) and higher melting I²t values. These provide enhanced fault protection capability while maintaining mechanical and electrical compatibility.

Category C: Alternative Manufacturer (Series 618) Part 0618005.MXP from Littelfuse Series 618 matches all critical electrical and mechanical parameters with identical current, voltage, response time, and dimensions.

Parameter Comparison

Part Number	Manufacturer	Series	Current (A)	Voltage (V AC)	Response Time	Package	Breaking Capacity (A)	Melting I²t	DC Cold Resistance (Ω)	Inventory (Pcs)
0218005.MXF14P	Littelfuse Inc.	218	5	250	Slow Blow	5x20mm	50	111	0.0104	858
0218005.MXP	Littelfuse Inc.	218	5	250	Slow Blow	5x20mm	50	111	0.0104	42700
0218005.HXP	Littelfuse Inc.	218	5	250	Slow Blow	5x20mm	50	111	0.0104	1900
0218005.TXP	Littelfuse Inc.	218	5	250	Slow Blow	5x20mm	50	111	0.0104	1152
0218005.VXP	Littelfuse Inc.	218	5	250	Slow Blow	5x20mm	50	111	0.0104	704
0213005.MXP	Littelfuse Inc.	213	5	250	Slow Blow	5x20mm	50	314	0.0116	3700
0213005.MXBP	Littelfuse Inc.	213	5	250	Slow Blow	5x20mm	50	314	0.0116	1727
0213005.TXP	Littelfuse Inc.	213	5	250	Slow Blow	5x20mm	50	314	0.0116	1007
0219005.MXAP	Littelfuse Inc.	219XA	5	250	Slow Blow	5x20mm	150	544	0.0117	1675
0219005.MXABP	Littelfuse Inc.	219XA	5	250	Slow Blow	5x20mm	150	544	0.0117	823
0618005.MXP	Littelfuse	618	5	250	Slow Blow	5x20mm	50	111	0.0104	34200

Engineering Selection Recommendations

Series 218 Variants (0218005.MXP, 0218005.HXP, 0218005.TXP, 0218005.VXP) These parts are direct functional equivalents to the 0218005.MXF14P with identical electrical characteristics and breaking capacity. All variants maintain active product status and carry regulatory approvals including CCC, CE, CSA, PSE, SEMKO, UL, and VDE. Selection among these variants is based on availability and specific approval requirements. The 0218005.MXP variant offers the highest inventory level (42,700 pcs).

Series 213 Variants (0213005.MXP, 0213005.MXBP, 0213005.TXP) These parts provide equivalent current and voltage ratings with identical mechanical dimensions and response characteristics. The Series 213 variants feature higher melting I²t values (314 versus 111), indicating different thermal response profiles. Regulatory approvals include BSI, CCC, CE, CSA, PSE, SEMKO, UR, and VDE. These are suitable for applications where the thermal characteristics of Series 213 are acceptable.

Series 219XA Variants (0219005.MXAP, 0219005.MXABP) These parts maintain electrical and mechanical compatibility while providing enhanced breaking capacity (150A versus 50A) and higher melting I²t (544). These variants are appropriate for applications requiring higher fault current handling capability. Regulatory approvals include CCC, CE, CSA, PSE, SEMKO, UL, and VDE.

Series 618 Variant (0618005.MXP) The 0618005.MXP provides equivalent electrical and mechanical specifications with identical breaking capacity and melting I²t to Series 218 parts. Regulatory approvals include CCC, CE, CSA, UR, and VDE. This variant offers the highest inventory availability (34,200 pcs) among all substitutes.

Frequently Asked Questions (FAQ)

Q: Can I substitute 0218005.MXF14P with any of the listed equivalent parts? A: Yes. All listed parts maintain the same current rating (5A), voltage rating (250VAC), response time (slow-blow), and mechanical dimensions (5x20mm). They are mechanically and electrically interchangeable in applications designed for the original part.

Q: What is the difference between Series 218 and Series 213 fuses? A: Both series maintain identical current, voltage, and mechanical specifications. The primary difference is the melting I²t value: Series 218 has I²t of 111, while Series 213 has I²t of 314. This affects the thermal response characteristics during fault conditions. Selection depends on application-specific thermal requirements.

Q: When should I use Series 219XA fuses instead of Series 218? A: Series 219XA fuses (0219005.MXAP, 0219005.MXABP) provide higher breaking capacity (150A versus 50A) and higher melting I²t (544). Use these variants in applications where higher fault current protection is required or where the circuit design specifies enhanced breaking capacity.

Q: Are all substitute parts RoHS3 compliant? A: Yes. All listed substitute parts carry ROHS3 compliance status, meeting environmental and material restriction requirements.

Q: What regulatory approvals should I verify for my application? A: The original part 0218005.MXF14P carries approvals from CCC, CE, CSA, KC, PSE, SEMKO, UL, and VDE. Verify that your selected substitute part carries the specific approvals required by your application's regulatory jurisdiction. Series 218 and 618 variants carry UL approval, while Series 213 variants carry BSI and UR approvals instead.

Q: Can I use 0618005.MXP as a direct replacement? A: Yes. The 0618005.MXP maintains identical electrical ratings, response time, and mechanical dimensions. It carries CCC, CE, CSA, UR, and VDE approvals. Verify that UR approval is acceptable for your application if UL approval was previously required.

Q: What is the significance of DC Cold Resistance values? A: DC Cold Resistance values are provided for reference and range from 0.0104 to 0.0117 Ohms across all variants. These minor variations do not affect functional interchangeability in standard circuit protection applications.

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