SL1024B260RG Gas Discharge Tube - Equivalent & Substitute Parts

Part Overview

The SL1024B260RG is a 3-pole gas discharge tube (GDT) rated for 260V DC spark-over voltage with 20kA impulse discharge current capacity. Designed for through-hole mounting in axial cylinder configuration, this component is classified as obsolete. Due to its obsolete status, identifying active equivalent parts is essential for ongoing design support, maintenance, and new production requirements.

Substiute Parts

SL1024B260RG

Littelfuse Inc.In Stock: 1115SL1024B260RG Datasheet

Current PartRFQ

SL1021B260RF

Littelfuse Inc.In Stock: 1240SL1021B260RF Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SL1024B260RG is determined by strict equivalence across the following critical parameters:

• Voltage Rating: 260V DC spark-over voltage (nominal)
• Discharge Current: 20kA impulse discharge current (8/20µs waveform)
• Pole Configuration: 3-pole architecture
• Fail Mode: Short-circuit failure characteristic
• Mounting and Package: Through-hole axial cylinder with 3 radial leads
• Environmental Compliance: ROHS3 compliance and MSL 1 rating

The identified substitute part maintains identical electrical performance specifications and mechanical compatibility while offering active product status and improved supply availability.

Parameter Comparison

Engineering Selection Recommendations

The SL1021B260RF is a direct functional equivalent to the SL1024B260RG. Both components are manufactured by Littelfuse Inc. and share identical electrical and mechanical specifications across all critical parameters. The primary distinction is product lifecycle status: the SL1024B260RG is obsolete, while the SL1021B260RF maintains active status with confirmed inventory availability (1175 pcs in stock).

Both parts maintain ROHS3 compliance and MSL 1 rating, ensuring compatibility with current manufacturing and environmental standards. The SL1021B260RF is supplied in tray packaging, which may differ from the original part's packaging configuration but does not affect functional performance or board-level integration.

Frequently Asked Questions (FAQ)

Q: Can the SL1021B260RF be used as a direct replacement for the SL1024B260RG?

A: Yes. Both components are electrically and mechanically equivalent. They share identical voltage ratings (260V), discharge current capacity (20kA), pole configuration (3-pole), fail-short characteristic, mounting type (through-hole), and package geometry (axial cylinder with radial leads).

Q: What is the primary reason to transition from SL1024B260RG to SL1021B260RF?

A: The SL1024B260RG is classified as obsolete. The SL1021B260RF is an active product with confirmed supply availability, ensuring long-term component sourcing for new designs and ongoing production support.

Q: Are there any compliance or environmental differences between these parts?

A: No. Both parts are ROHS3 compliant and carry MSL 1 (unlimited moisture sensitivity level) ratings. Environmental and regulatory compliance is equivalent.

Q: Does the packaging difference (tray vs. original) affect circuit performance?

A: No. Packaging format does not affect electrical performance or board-level functionality. The tray packaging of the SL1021B260RF is suitable for standard manufacturing processes.

Q: What are the critical parameters that define substitution eligibility?

A: Substitution is determined by equivalence in voltage rating (260V), impulse discharge current (20kA), pole count (3), fail mode (short), mounting type (through-hole), and package geometry (axial cylinder, 3 radial leads).