Littelfuse 0230.600DRT2SW Glass Cartridge Fuse Equivalent & Substitute Parts

Part Overview

The Littelfuse 0230.600DRT2SW is a 600 mA, 250 V AC glass cartridge fuse with slow-blow response characteristics, designed for through-hole mounting in axial configuration. This part is classified as obsolete. Equivalent and substitute parts are available from the same manufacturer series with active product status and enhanced compliance certifications, providing direct functional replacement options for new designs and ongoing production requirements.

Key Parameters

Parameter	Value
Manufacturer	Littelfuse Inc.
Series	230
Current Rating	600 mA
Voltage Rating - AC	250 V
Response Time	Slow Blow
Fuse Type	Cartridge, Glass
Package / Case	Cartridge, Non-Standard (Axial)
Mounting Type	Through Hole
Size / Dimension	0.177" Dia x 0.571" L (4.50mm x 14.50mm)
Operating Temperature	-55°C ~ 125°C
Melting I²t	1.75
Breaking Capacity @ Rated Voltage	35A

Substitute Part Grouping Explanation

Substitution of the 0230.600DRT2SW is determined by the following critical parameters:

Current Rating: 600 mA (exact match required)
Voltage Rating - AC: 250 V (exact match required)
Response Time: Slow Blow (exact match required)
Fuse Type: Cartridge, Glass (exact match required)
Package / Case: Cartridge, Non-Standard (Axial) (exact match required)
Mounting Type: Through Hole (exact match required)
Size / Dimension: 0.177" Dia x 0.571" L (4.50mm x 14.50mm) (exact match required)
Melting I²t: 1.75 (exact match required)

All substitute parts listed below maintain these critical parameters. Substitute parts additionally provide DC voltage rating (125 V DC) and enhanced breaking capacity specifications (10kA DC) not present in the main part specification. All substitute parts are active products with RoHS3 compliance and REACH unaffected status.

Parameter Comparison

Part Number	Manufacturer	Current Rating	Voltage AC	Voltage DC	Response Time	Breaking Capacity AC	Breaking Capacity DC	Product Status	RoHS Status	Packaging	Inventory
0230.600DRT2SW	Littelfuse Inc.	600 mA	250 V	—	Slow Blow	35A	—	Obsolete	RoHS non-compliant	—	1013 Pcs
0230.600DRT2SP	Littelfuse Inc.	600 mA	250 V	125 V	Slow Blow	35A	10kA	Active	ROHS3 Compliant	Tape & Reel	666 Pcs
0230.600DRT1P	Littelfuse Inc.	600 mA	250 V	125 V	Slow Blow	35A	10kA	Active	ROHS3 Compliant	Tape & Reel	669 Pcs
0230.600DRT1SP	Littelfuse Inc.	600 mA	250 V	125 V	Slow Blow	35A	10kA	Active	ROHS3 Compliant	Tape & Reel	937 Pcs
0230.600DRT2P	Littelfuse Inc.	600 mA	250 V	125 V	Slow Blow	35A	10kA	Active	ROHS3 Compliant	Tape & Reel	818 Pcs
0230.600DRT3P	Littelfuse Inc.	600 mA	250 V	125 V	Slow Blow	35A	10kA	Active	ROHS3 Compliant	Tape & Reel	1117 Pcs
0230.600DRT3SP	Littelfuse Inc.	600 mA	250 V	125 V	Slow Blow	35A	10kA	Active	ROHS3 Compliant	Tape & Reel	994 Pcs
0230.600MRT1SSP	Littelfuse Inc.	600 mA	250 V	125 V	Slow Blow	35A	10kA	Active	ROHS3 Compliant	Tape & Reel	972 Pcs

Engineering Selection Recommendations

All listed substitute parts are functionally equivalent to the 0230.600DRT2SW based on critical electrical and mechanical parameters. The primary distinction between the main part and substitutes is product status and regulatory compliance:

The 0230.600DRT2SW is obsolete and RoHS non-compliant. All substitute parts are active products with ROHS3 compliance and REACH unaffected status, meeting current regulatory requirements for new designs and production.

Substitute parts provide additional DC voltage rating (125 V) and enhanced DC breaking capacity (10kA) specifications beyond the main part's AC-only rating. These enhancements do not affect AC circuit compatibility and provide expanded application flexibility.

All substitute parts are supplied in Tape & Reel packaging, suitable for automated assembly processes. Inventory availability ranges from 666 to 1117 pieces across the substitute options.

Frequently Asked Questions (FAQ)

Q: Can I use any of these substitute parts as a direct replacement for the 0230.600DRT2SW?

A: Yes. All listed substitute parts maintain identical current rating (600 mA), AC voltage rating (250 V), response time (Slow Blow), fuse type (Cartridge, Glass), package configuration (Cartridge, Non-Standard Axial), and physical dimensions (0.177" Dia x 0.571" L). They are functionally equivalent for AC circuit applications.

Q: What is the difference between the main part and the substitutes?

A: The 0230.600DRT2SW is obsolete and RoHS non-compliant. All substitute parts are active products with ROHS3 compliance. Substitutes additionally specify 125 V DC rating and 10kA DC breaking capacity, which the main part does not list. These additions do not affect AC operation and provide enhanced capability for mixed AC/DC applications.

Q: Are there differences between the various substitute part numbers?

A: All substitute parts share identical electrical specifications and physical dimensions. Differences are limited to packaging configuration (Tape & Reel variants with different reel specifications indicated by suffix codes) and inventory levels. Selection among substitutes should be based on packaging requirements and supply availability.

Q: What certifications do the substitute parts carry?

A: All substitute parts carry CE, CSA, and UL approvals. The main part carries CSA and UL approvals only. All substitute parts are REACH unaffected.

Q: Can I mix packaging types in production?

A: All substitute parts are supplied in Tape & Reel packaging. The main part packaging type is not specified. Tape & Reel packaging is standard for automated assembly processes. Confirm packaging compatibility with your assembly equipment and procurement requirements.

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