Littelfuse 0218002.MXP Glass Cartridge Fuse 2A 250VAC 5x20mm Equivalent & Substitute Parts

Part Overview

The Littelfuse 0218002.MXP is a 2A 250VAC glass cartridge fuse in 5x20mm form factor, classified as a slow-blow fuse requiring a holder for installation. This component is Active status and widely used in AC/DC circuit protection applications. Substitute parts are identified when equivalent electrical ratings, mechanical dimensions, and approval certifications align with the original specification, enabling direct replacement in compatible fuse holders.

Key Parameters

Parameter	Value
Current Rating	2 A
Voltage Rating (AC)	250 V
Fuse Type	Cartridge, Glass
Response Time	Slow Blow
Package / Case	5mm x 20mm
Mounting Type	Requires Holder
Operating Temperature Range	-55°C ~ 125°C
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict alignment of the following parameters:

Current Rating: 2 A (exact match required)
Voltage Rating: 250 V AC (exact match required)
Package / Case: 5mm x 20mm (exact match required)
Fuse Type: Cartridge, Glass (exact match required)
Response Time: Slow Blow (exact match required)
Mounting Type: Requires Holder (exact match required)
Operating Temperature: -55°C ~ 125°C (exact match required)

All substitute parts listed below meet these core electrical and mechanical criteria. Variations in Breaking Capacity, Melting I²t, DC Cold Resistance, and approval agency certifications are noted but do not prevent substitution when the above parameters align.

Parameter Comparison

Part Number	Manufacturer	Series	Current (A)	Voltage (V AC)	Package	Response Time	Breaking Capacity @ Rated Voltage	Melting I²t	DC Cold Resistance (Ω)	Inventory (Pcs)
0218002.MXP	Littelfuse Inc.	218	2	250	5x20mm	Slow Blow	35A	14.45	0.0293	9616
0213002.MXP	Littelfuse Inc.	213	2	250	5x20mm	Slow Blow	35A	92.705	0.0452	17911
0213002.TXP	Littelfuse Inc.	213	2	250	5x20mm	Slow Blow	35A	92.705	0.0452	1142
0218002.TXP	Littelfuse Inc.	218	2	250	5x20mm	Slow Blow	35A	14.45	0.0293	1032
0218002.VXP	Littelfuse Inc.	218	2	250	5x20mm	Slow Blow	35A	14.45	0.0293	1079
0219002.MXABP	Littelfuse Inc.	219XA	2	250	5x20mm	Slow Blow	150A	92.705	0.0452	1970
0219002.MXAP	Littelfuse Inc.	219XA	2	250	5x20mm	Slow Blow	150A	92.705	0.0452	1160
0239002.HXP	Littelfuse Inc.	239	2	250	5x20mm	Slow Blow	100A	50.585	0.0943	2400
0239002.MXP	Littelfuse Inc.	239	2	250	5x20mm	Slow Blow	100A	50.585	0.0943	1610
0239002.TXP	Littelfuse Inc.	239	2	250	5x20mm	Slow Blow	100A	50.585	0.0943	719
0239002.VXP	Littelfuse Inc.	239	2	250	5x20mm	Slow Blow	100A	50.585	0.0943	931

Engineering Selection Recommendations

All listed substitute parts maintain Active product status and meet the core electrical and mechanical requirements for direct replacement in 5x20mm fuse holders rated for 2A 250VAC slow-blow cartridge fuses.

Series 218 variants (0218002.MXP, 0218002.TXP, 0218002.VXP) share identical electrical characteristics with the main part, including Breaking Capacity of 35A and Melting I²t of 14.45. These differ only in packaging designation (MXP, TXP, VXP).

Series 213 variants (0213002.MXP, 0213002.TXP) provide higher Melting I²t (92.705) and increased DC Cold Resistance (0.0452Ω) compared to Series 218, with identical Breaking Capacity of 35A.

Series 219XA variants (0219002.MXABP, 0219002.MXAP) offer elevated Breaking Capacity of 150A and Melting I²t of 92.705, with DC Cold Resistance of 0.0452Ω.

Series 239 variants (0239002.HXP, 0239002.MXP, 0239002.TXP, 0239002.VXP) provide Breaking Capacity of 100A and Melting I²t of 50.585, with higher DC Cold Resistance of 0.0943Ω.

Approval certifications vary across series. The main part 0218002.MXP carries CCC, CE, CSA, K-MARK, PSE, SEMKO, UL, and VDE certifications. Series 213 includes BSI, CCC, CE, CSA, PSE, SEMKO, UR, and VDE. Series 219XA and 239 carry subsets of these certifications. Verify that the selected substitute meets the specific regulatory requirements of the target application.

Frequently Asked Questions (FAQ)

Q: Can I substitute a Series 239 fuse for the original 0218002.MXP?

A: Yes, mechanically and electrically. Series 239 fuses (0239002.HXP, 0239002.MXP, 0239002.TXP, 0239002.VXP) maintain the same 2A 250VAC rating, 5x20mm package, and slow-blow response. However, Series 239 has higher DC Cold Resistance (0.0943Ω vs. 0.0293Ω) and different Breaking Capacity (100A vs. 35A). Verify that the target application's regulatory certifications align with Series 239 approvals (CE, CSA, KC, PSE, UL).

Q: What is the difference between Series 218 and Series 213?

A: Both maintain 2A 250VAC ratings and 5x20mm dimensions. Series 213 has higher Melting I²t (92.705 vs. 14.45) and DC Cold Resistance (0.0452Ω vs. 0.0293Ω), indicating slower thermal response. Series 218 has lower Melting I²t and DC Cold Resistance. Approval certifications also differ; Series 213 includes BSI and UR, while Series 218 includes K-MARK.

Q: Are all substitute parts compatible with the same fuse holder?

A: Yes. All substitute parts share the 5x20mm form factor and require a holder for installation. Physical compatibility is guaranteed. Electrical compatibility depends on the holder's rated voltage (250V) and current capacity (2A minimum).

Q: Why do some parts have higher Breaking Capacity?

A: Breaking Capacity indicates the maximum fault current the fuse can safely interrupt. Series 219XA (150A) and Series 239 (100A) provide higher breaking capacity than Series 218 (35A). This does not affect normal operation at 2A but provides enhanced protection in high-fault-current environments. Select based on the application's maximum available fault current.

Q: Which substitute offers the best inventory availability?

A: Series 213 MXP (0213002.MXP) has the highest inventory at 17,911 pieces. Series 218 MXP (0218002.MXP) has 9,616 pieces. All other variants range from 719 to 2,400 pieces.

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