Littelfuse 0230002.DRT2SP Glass Cartridge Fuse Equivalent & Substitute Parts

Part Overview

The Littelfuse 0230002.DRT2SP is a 2A 250VAC/125VDC glass cartridge fuse with axial through-hole mounting. This slow-blow fuse is designed for circuit protection in applications requiring reliable overcurrent interruption at rated voltages. The part maintains Active product status with full compliance to CE, CSA, PSE, and UL approval agencies. Substitute parts are identified when packaging configurations differ while maintaining identical electrical and mechanical specifications, enabling flexible procurement and inventory management across equivalent tape and reel or cut tape formats.

Substiute Parts

0230002.DRT2SP
Littelfuse Inc.In Stock: 11450230002.DRT2SP Datasheet
0230002.DRT2SP
Current Part
0230002.DRT1P
Littelfuse Inc.In Stock: 39730230002.DRT1P Datasheet
0230002.DRT1P
Parametric Equivalent

Key Parameters

Parameter Value
Current Rating 2 A
Voltage Rating - AC 250 V
Voltage Rating - DC 125 V
Fuse Type Cartridge, Glass
Response Time Slow Blow
Package / Case Cartridge, Non-Standard (Axial)
Mounting Type Through Hole
Size / Dimension 0.177" Dia x 0.571" L (4.50mm x 14.50mm)
Breaking Capacity @ Rated Voltage 35A AC, 10kA DC
DC Cold Resistance 0.0698 Ohms
Operating Temperature Range -55°C ~ 125°C
Melting I²t 30

Substitute Part Grouping Explanation

Substitution of the 0230002.DRT2SP is determined by strict equivalence across all electrical and mechanical parameters. The primary differentiator between the main part and its substitute is packaging format: the main part is supplied in Tape & Reel (TR) configuration, while the substitute part 0230002.DRT1P is supplied in Cut Tape (CT) configuration. Both parts share identical specifications across current rating, voltage ratings (AC and DC), fuse type, response time, physical dimensions, breaking capacity, resistance, temperature range, and melting I²t value. The Series 230 classification, mounting type (Through Hole), and approval certifications (CE, CSA, PSE, UL) remain constant. This substitution relationship is valid for applications where packaging format flexibility is acceptable and component-level electrical performance requirements are unchanged.

Parameter Comparison

Parameter 0230002.DRT2SP (Main Part) 0230002.DRT1P (Substitute)
Manufacturer Littelfuse Inc. Littelfuse Inc.
Series 230 230
Product Status Active Active
Packaging Tape & Reel (TR) Cut Tape (CT)
Current Rating 2 A 2 A
Voltage Rating - AC 250 V 250 V
Voltage Rating - DC 125 V 125 V
Fuse Type Cartridge, Glass Cartridge, Glass
Response Time Slow Blow Slow Blow
Mounting Type Through Hole Through Hole
Size / Dimension 0.177" Dia x 0.571" L (4.50mm x 14.50mm) 0.177" Dia x 0.571" L (4.50mm x 14.50mm)
Breaking Capacity @ Rated Voltage 35A AC, 10kA DC 35A AC, 10kA DC
DC Cold Resistance 0.0698 Ohms 0.0698 Ohms
Operating Temperature Range -55°C ~ 125°C -55°C ~ 125°C
Melting I²t 30 30
Approval Agency CE, CSA, PSE, UL CE, CSA, PSE, UL
RoHS Status ROHS3 Compliant ROHS3 Compliant
REACH Status REACH Unaffected REACH Unaffected

Engineering Selection Recommendations

Both the 0230002.DRT2SP and 0230002.DRT1P maintain Active product status with identical compliance certifications (CE, CSA, PSE, UL) and regulatory standing (ROHS3 Compliant, REACH Unaffected). Selection between these parts should be based on assembly process requirements and inventory management strategy. The Tape & Reel format (0230002.DRT2SP) is optimized for high-volume automated pick-and-place assembly operations. The Cut Tape format (0230002.DRT1P) provides flexibility for lower-volume builds, manual assembly, or mixed-component kitting scenarios. Both configurations deliver identical electrical protection characteristics and are suitable for direct substitution in circuit designs where the 2A/250VAC/125VDC protection specification is required.

Frequently Asked Questions (FAQ)

Q: Can 0230002.DRT1P be used as a direct replacement for 0230002.DRT2SP in production assembly?

A: Yes. Both parts are electrically and mechanically identical. The substitution is valid provided your assembly process can accommodate Cut Tape (CT) packaging instead of Tape & Reel (TR) format. No circuit-level changes are required.

Q: What is the difference between Tape & Reel and Cut Tape packaging?

A: Tape & Reel packaging supplies components on a continuous carrier tape wound on a reel, optimized for automated assembly equipment. Cut Tape packaging supplies the same components on tape segments cut to specified lengths, suitable for manual handling or lower-volume assembly processes. Electrical performance is identical.

Q: Are both parts certified to the same standards?

A: Yes. Both 0230002.DRT2SP and 0230002.DRT1P carry identical approval certifications: CE, CSA, PSE, and UL. Regulatory compliance (ROHS3, REACH) is equivalent.

Q: What are the critical parameters for fuse substitution?

A: Current rating (2A), AC voltage rating (250V), DC voltage rating (125V), response time (Slow Blow), physical dimensions (0.177" Dia x 0.571" L), and breaking capacity (35A AC, 10kA DC) must remain constant. All these parameters are identical between the main part and substitute.

Q: Can I mix packaging formats in the same production run?

A: Packaging format selection should align with your assembly process capabilities. Mixing formats within a single production run may introduce handling complexity but does not affect component performance or circuit functionality.

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