Littelfuse 021506.3MXF60P Ceramic Fuse Equivalent & Substitute Parts

Part Overview

The Littelfuse 021506.3MXF60P is a 6.3 A, 250 V AC ceramic cartridge fuse with slow-blow response characteristics, designed for through-hole radial mounting. This Active product operates across -55°C to 125°C and provides 1.5 kA breaking capacity at rated voltage. Substitute parts are identified when equivalent electrical ratings, mechanical form factors, and compliance certifications align with the original specification.

Key Parameters

Parameter	Value
Manufacturer Part Number	021506.3MXF60P
Manufacturer	Littelfuse Inc.
Current Rating	6.3 A
Voltage Rating (AC)	250 V
Fuse Type	Cartridge, Ceramic
Response Time	Slow Blow
Mounting Type	Through Hole
Package / Case	Radial Bend Cylinder
Size / Dimension	0.205" Dia x 0.787" L (5.20mm x 20.00mm)
Breaking Capacity @ Rated Voltage	1.5 kA
Melting I²t	128.75
DC Cold Resistance	0.0108 Ohms
Operating Temperature Range	-55°C ~ 125°C
Product Status	Active
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitute parts for the 021506.3MXF60P are determined by strict equivalence in the following parameters:

Current Rating: 6.3 A
Voltage Rating (AC): 250 V
Fuse Type: Cartridge, Ceramic
Response Time: Slow Blow
Mounting Type: Through Hole
Package / Case: Radial Bend Cylinder
Size / Dimension: 0.205" Dia x 0.787" L (5.20mm x 20.00mm)
Breaking Capacity @ Rated Voltage: 1.5 kA
Melting I²t: 128.75
DC Cold Resistance: 0.0108 Ohms
Operating Temperature Range: -55°C ~ 125°C

Parts meeting all these criteria are classified as parametric equivalents and direct substitutes. The 0215015.MXK8P differs in current rating (15 A) and is listed for reference but does not meet substitution criteria for this 6.3 A application.

Parameter Comparison

Parameter	021506.3MXF60P	021506.3MXF11P	021506.3MXF34P	021506.3MXF160SPP
Current Rating (A)	6.3	6.3	6.3	6.3
Voltage Rating (AC)	250 V	250 V	250 V	250 V
Fuse Type	Cartridge, Ceramic	Cartridge, Ceramic	Cartridge, Ceramic	Cartridge, Ceramic
Response Time	Slow Blow	Slow Blow	Slow Blow	Slow Blow
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole
Package / Case	Radial Bend Cylinder	Radial Bend Cylinder	Radial Bend Cylinder	Radial Bend Cylinder
Size / Dimension	0.205" Dia x 0.787" L (5.20mm x 20.00mm)	0.205" Dia x 0.787" L (5.20mm x 20.00mm)	0.205" Dia x 0.787" L (5.20mm x 20.00mm)	0.205" Dia x 0.787" L (5.20mm x 20.00mm)
Breaking Capacity @ Rated Voltage	1.5 kA	1.5 kA	1.5 kA	1.5 kA
Melting I²t	128.75	128.75	128.75	128.75
DC Cold Resistance (Ohms)	0.0108	0.0108	0.0108	0.0108
Operating Temperature Range	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C
Series	215	215	215	215SP
Product Status	Active	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

All four substitute parts—021506.3MXF11P, 021506.3MXF34P, and 021506.3MXF160SPP—are parametric equivalents to the 021506.3MXF60P and meet identical electrical and mechanical specifications. All parts maintain Active product status and ROHS3 compliance.

The 021506.3MXF11P and 021506.3MXF34P carry expanded approval agency certifications (CCC, CE, CSA, KC, PSE, SEMKO, UL, VDE), providing broader regulatory acceptance across international markets. The 021506.3MXF160SPP belongs to the 215SP series variant and carries equivalent compliance.

Selection among these equivalents depends on regulatory requirements for the target application and regional certification needs. All parts are suitable for direct substitution in circuits requiring 6.3 A, 250 V AC ceramic fuse protection with slow-blow response.

Frequently Asked Questions (FAQ)

Q: Can 021506.3MXF11P replace 021506.3MXF60P in any application?

A: Yes. Both parts share identical electrical ratings (6.3 A, 250 V AC), response time (Slow Blow), breaking capacity (1.5 kA), melting I²t (128.75), and mechanical form factor (0.205" Dia x 0.787" L radial bend cylinder). The 021506.3MXF11P includes additional approval agency certifications.

Q: What is the difference between 021506.3MXF160SPP and 021506.3MXF60P?

A: Both parts are parametric equivalents with identical electrical and mechanical specifications. The primary difference is series designation: 021506.3MXF160SPP belongs to the 215SP series, while 021506.3MXF60P belongs to the 215 series. This distinction reflects manufacturing or packaging variants without affecting electrical performance.

Q: Is 0215015.MXK8P a suitable substitute?

A: No. The 0215015.MXK8P has a current rating of 15 A, which differs from the required 6.3 A specification. Current rating is a critical parameter that determines circuit protection characteristics and cannot be altered for substitution.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts—021506.3MXF11P, 021506.3MXF34P, and 021506.3MXF160SPP—are ROHS3 compliant, matching the compliance status of the original 021506.3MXF60P.

Q: Do the substitute parts fit the same PCB footprint?

A: Yes. All substitute parts share identical dimensions (0.205" Dia x 0.787" L / 5.20mm x 20.00mm) and radial bend cylinder package configuration, ensuring mechanical compatibility with existing through-hole mounting designs.

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