Equivalent & Substitute Parts for 0219002.MXABP

Part Overview

The 0219002.MXABP is a 2 A, 250 V AC/DC glass cartridge fuse manufactured by Littelfuse Inc., designed for applications requiring slow-blow response characteristics in a 5mm x 20mm form factor. This fuse is part of the 219XA series and maintains active product status with full compliance to international safety standards including UL, CE, CSA, and VDE certifications. Equivalent and substitute parts are identified based on matching electrical ratings, mechanical dimensions, and functional response characteristics to ensure seamless integration in circuit protection applications.

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 to 125°C
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitute parts for the 0219002.MXABP are classified based on strict electrical and mechanical compatibility. All identified substitutes share the following core parameters with the main part:

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 to 125°C
RoHS Status: ROHS3 Compliant

Substitutes are grouped into two categories based on Breaking Capacity at Rated Voltage:

Category 1 (Breaking Capacity 150 A): 0219002.MXAP Category 2 (Breaking Capacity 100 A): 0239002.HXP, 0239002.MXP, 0239002.TXP, 0239002.VXP Category 3 (Breaking Capacity 35 A): 0213002.MXP, 0213002.TXP, 0218002.MXP, 0218002.TXP, 0618002.MXP

Parameter Comparison

Part Number	Manufacturer	Series	Current Rating (A)	Voltage Rating (V AC)	Response Time	Breaking Capacity (A)	Melting I²t	DC Cold Resistance (Ω)	Inventory (Pcs)
0219002.MXABP	Littelfuse Inc.	219XA	2	250	Slow Blow	150	92.705	0.0452	1970
0219002.MXAP	Littelfuse Inc.	219XA	2	250	Slow Blow	150	92.705	0.0452	1160
0239002.HXP	Littelfuse Inc.	239	2	250	Slow Blow	100	50.585	0.0943	2400
0239002.MXP	Littelfuse Inc.	239	2	250	Slow Blow	100	50.585	0.0943	1610
0239002.TXP	Littelfuse Inc.	239	2	250	Slow Blow	100	50.585	0.0943	719
0239002.VXP	Littelfuse Inc.	239	2	250	Slow Blow	100	50.585	0.0943	931
0213002.MXP	Littelfuse Inc.	213	2	250	Slow Blow	35	92.705	0.0452	17911
0213002.TXP	Littelfuse Inc.	213	2	250	Slow Blow	35	92.705	0.0452	1142
0218002.MXP	Littelfuse Inc.	218	2	250	Slow Blow	35	14.45	0.0293	9616
0218002.TXP	Littelfuse Inc.	218	2	250	Slow Blow	35	14.45	0.0293	1032
0618002.MXP	Littelfuse Inc.	618	2	250	Slow Blow	35	14.45	0.0293	1607

Engineering Selection Recommendations

Selection of substitute parts must account for Breaking Capacity and Melting I²t characteristics, which determine circuit protection performance under fault conditions.

Direct Equivalent (Highest Compatibility): 0219002.MXAP is the primary equivalent, sharing identical Breaking Capacity (150 A), Melting I²t (92.705), and DC Cold Resistance (0.0452 Ω) with the main part. Both are part of the 219XA series and carry identical approval certifications (CCC, CE, CSA, PSE, SEMKO, UL, VDE).

Alternative Substitutes with Lower Breaking Capacity: Parts from the 239 series (0239002.HXP, 0239002.MXP, 0239002.TXP, 0239002.VXP) provide Breaking Capacity of 100 A with reduced Melting I²t (50.585). These are suitable for applications where lower fault current interruption is acceptable. Approval certifications are limited to CE, CSA, KC, PSE, UL.

Parts from the 213, 218, and 618 series provide Breaking Capacity of 35 A. The 213 series maintains Melting I²t of 92.705 and DC Cold Resistance of 0.0452 Ω. The 218 and 618 series feature reduced Melting I²t (14.45) and DC Cold Resistance (0.0293 Ω), indicating faster response characteristics. These are suitable only for applications with lower fault current requirements.

Frequently Asked Questions (FAQ)

Q: Can 0219002.MXAP be used as a direct replacement for 0219002.MXABP? A: Yes. Both parts share identical electrical ratings (2 A, 250 V AC), response time (Slow Blow), Breaking Capacity (150 A), Melting I²t (92.705), and DC Cold Resistance (0.0452 Ω). Both are ROHS3 compliant and carry the same approval certifications.

Q: What is the difference between parts with 150 A, 100 A, and 35 A Breaking Capacity? A: Breaking Capacity defines the maximum fault current the fuse can safely interrupt without rupturing the fuse body. Higher Breaking Capacity is required in circuits with higher available fault current. Selection must match the circuit's fault current rating.

Q: Can 0239002 series parts replace 0219002.MXABP? A: 0239002 series parts are compatible in terms of current rating, voltage, and physical dimensions. However, they have lower Breaking Capacity (100 A vs. 150 A) and different Melting I²t (50.585 vs. 92.705). Use only if the application's fault current does not exceed 100 A and faster response is acceptable.

Q: What is the significance of Melting I²t? A: Melting I²t indicates the thermal energy required to melt the fuse element. Lower values result in faster response to overcurrent. The main part (92.705) and 213 series (92.705) have identical Melting I²t, while 239 series (50.585) and 218/618 series (14.45) respond faster.

Q: Are all substitute parts ROHS3 compliant? A: Yes. All identified substitute parts carry ROHS3 compliance status.

Q: Do all substitutes fit the same holder? A: Yes. All parts share the 5mm x 20mm package dimension and Requires Holder mounting type, ensuring mechanical compatibility with existing fuse holders.

Q: Which substitute has the highest inventory availability? A: 0213002.MXP has the highest inventory at 17,911 pieces. However, it has lower Breaking Capacity (35 A) and should be selected only if circuit requirements permit.

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