Equivalent & Substitute Parts for 0219005.MXAP

Part Overview

The Littelfuse 0219005.MXAP is a 5 A, 250 V AC/DC slow-blow glass cartridge fuse in 5mm x 20mm form factor. This fuse is designed for circuits requiring overcurrent protection with delayed response characteristics. The part is active in production with 1,675 units in stock. Substitute parts are necessary to address supply chain variations, regional certification requirements, and application-specific performance parameters such as breaking capacity and melting I²t characteristics.

Key Parameters

Parameter	Value
Manufacturer Part Number	0219005.MXAP
Manufacturer	Littelfuse Inc.
Current Rating	5 A
Voltage Rating (AC)	250 V
Fuse Type	Cartridge, Glass
Package / Case	5mm x 20mm
Response Time	Slow Blow
Breaking Capacity @ Rated Voltage	150 A
Melting I²t	544
Operating Temperature Range	-55°C ~ 125°C
DC Cold Resistance	0.0117 Ohms
Series	219XA
Product Status	Active
RoHS Status	ROHS3 Compliant
Approval Agencies	CCC, CE, CSA, PSE, SEMKO, UL, VDE

Substitute Part Grouping Explanation

Substitute parts for the 0219005.MXAP are grouped based on the following critical parameters that determine functional equivalence:

Primary Matching Criteria:

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

Secondary Differentiation Parameters:

Breaking Capacity @ Rated Voltage: Ranges from 50 A to 150 A
Melting I²t: Ranges from 111 to 544
Series designation: 213, 218, 219XA, 618
Approval Agency certifications: Varies by part
DC Cold Resistance: Ranges from 0.0104 to 0.0117 Ohms

Substitutes are divided into two categories: Littelfuse 219XA series parts with 150 A breaking capacity (direct equivalents), and Littelfuse 213, 218, and 618 series parts with 50 A breaking capacity (parametric equivalents with reduced fault current handling).

Parameter Comparison

Part Number	Manufacturer	Series	Current (A)	Voltage AC (V)	Response Time	Package	Breaking Capacity (A)	Melting I²t	DC Resistance (Ω)	Inventory (Pcs)
0219005.MXAP	Littelfuse Inc.	219XA	5	250	Slow Blow	5x20mm	150	544	0.0117	1,675
0213005.MXBP	Littelfuse Inc.	213	5	250	Slow Blow	5x20mm	50	314	0.0116	1,727
0213005.MXP	Littelfuse Inc.	213	5	250	Slow Blow	5x20mm	50	314	0.0116	3,700
0213005.TXP	Littelfuse Inc.	213	5	250	Slow Blow	5x20mm	50	314	0.0116	1,007
0218005.HXP	Littelfuse Inc.	218	5	250	Slow Blow	5x20mm	50	111	0.0104	1,900
0218005.MXP	Littelfuse Inc.	218	5	250	Slow Blow	5x20mm	50	111	0.0104	42,700
0218005.TXP	Littelfuse Inc.	218	5	250	Slow Blow	5x20mm	50	111	0.0104	1,152
0218005.VXP	Littelfuse Inc.	218	5	250	Slow Blow	5x20mm	50	111	0.0104	704
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	34,200
0034.2523	SCHURTER Inc.	FSM 5x20	5	250	Medium Blow	5x20mm	1,000	52.5	N/A	5,265

Engineering Selection Recommendations

Direct Equivalents (Same Breaking Capacity and Melting I²t):

The 0219005.MXABP is a direct parametric equivalent to the 0219005.MXAP, both from the Littelfuse 219XA series with 150 A breaking capacity and 544 melting I²t. Both parts carry identical certifications (CCC, CE, CSA, PSE, SEMKO, UL, VDE) and operating temperature range. Selection between these two is based on packaging variant and inventory availability.

Parametric Equivalents (Reduced Breaking Capacity):

The Littelfuse 213 series (0213005.MXBP, 0213005.MXP, 0213005.TXP) and 218 series (0218005.HXP, 0218005.MXP, 0218005.TXP, 0218005.VXP) parts are parametric equivalents with 50 A breaking capacity and lower melting I²t values (314 for 213 series, 111 for 218 series). These parts are suitable for applications where fault current levels do not exceed 50 A. The 618 series (0618005.MXP) from Littelfuse provides equivalent performance to the 218 series with the same 50 A breaking capacity and 111 melting I²t.

Certification Considerations:

All Littelfuse substitute parts maintain ROHS3 compliance and REACH unaffected status. The 213 series includes BSI certification in addition to the main part's certifications. The 218 series includes K-MARK certification. Regional application requirements should guide selection based on required approval agencies.

Alternative Technology (Ceramic Fuse):

The SCHURTER 0034.2523 is a ceramic cartridge fuse with 5 A, 250 V AC, and 5mm x 20mm form factor. This part differs in response time (Medium Blow versus Slow Blow) and fuse material (Ceramic versus Glass). The ceramic construction provides 1 kA breaking capacity and significantly lower melting I²t (52.5). This part is suitable only for applications where medium-blow response and ceramic construction are acceptable.

Frequently Asked Questions (FAQ)

Q: Can I substitute a 218 series fuse for the 0219005.MXAP?

A: Yes, the 218 series parts (0218005.HXP, 0218005.MXP, 0218005.TXP, 0218005.VXP) are parametric equivalents with matching current, voltage, response time, and package specifications. However, they have a reduced breaking capacity of 50 A compared to the original part's 150 A. Substitution is valid only if the circuit's maximum fault current does not exceed 50 A.

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

A: Both series are 5 A, 250 V AC slow-blow glass cartridge fuses in 5mm x 20mm packages. The primary difference is melting I²t: the 213 series has 314 I²t, while the 218 series has 111 I²t. The 213 series provides slightly slower thermal response. Both have 50 A breaking capacity.

Q: Why does the SCHURTER 0034.2523 have a different response time?

A: The SCHURTER part is a ceramic fuse with Medium Blow response, whereas the Littelfuse parts are glass fuses with Slow Blow response. Ceramic construction and different internal element design result in faster thermal response. This part is not interchangeable with the original unless the application specifically requires medium-blow characteristics.

Q: Can I use the 0219005.MXABP as a direct replacement?

A: Yes, the 0219005.MXABP is a direct parametric equivalent from the same 219XA series with identical breaking capacity (150 A), melting I²t (544), and certifications. It is fully interchangeable with the 0219005.MXAP.

Q: What does breaking capacity mean, and why does it matter?

A: Breaking capacity is the maximum fault current the fuse can safely interrupt without rupturing or creating a hazard. The 0219005.MXAP has 150 A breaking capacity, while 213, 218, and 618 series parts have 50 A. Selection must ensure the circuit's maximum fault current does not exceed the fuse's breaking capacity rating.

Q: Are all substitute parts ROHS3 compliant?

A: Yes, all Littelfuse and SCHURTER substitute parts listed are ROHS3 compliant and REACH unaffected, matching the original part's environmental compliance status.

Q: Which substitute has the highest inventory availability?

A: The 0218005.MXP has the highest inventory with 42,700 units in stock, followed by the 0618005.MXP with 34,200 units. Both are suitable for applications where 50 A breaking capacity is acceptable.

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