LED Replacement T-2 28VAC/DC Slide Standard 28PSBL-W1

Part Overview

The 28PSBL-W1 is an LED lamp replacement designed for T-2 telephone slide standard base applications operating at 28V AC/DC. This component is classified as "Not For New Designs," indicating it serves legacy system support and retrofit applications. The part is ROHS3 compliant and REACH unaffected, suitable for general purpose lighting in telephone switching and signaling equipment.

Due to its discontinued design status, identifying equivalent substitute parts with identical electrical and mechanical parameters is essential for maintaining system compatibility in existing installations.

Substiute Parts

28PSBL-W1

Visual Communications Company - VCCIn Stock: 111128PSBL-W1 Datasheet

Current PartRFQ

28PSBLS-W1

Visual Communications Company - VCCIn Stock: 110828PSBLS-W1 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 28PSBL-W1 is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

• Voltage rating: 28V AC/DC
• Physical form factor: T-2 size
• Base type: Telephone Slide Standard
• Color output: White
• Configuration: Single element
• Compliance certifications: ROHS3 and REACH status

The 28PSBLS-W1 qualifies as a parametric equivalent because it matches all mandatory parameters. Both parts are manufactured by Visual Communications Company - VCC and are designed for identical application environments. The substitution is valid based on electrical compatibility, mechanical fit, and regulatory compliance alignment.

Parameter Comparison

Engineering Selection Recommendations

The 28PSBLS-W1 is the qualified substitute for the 28PSBL-W1 based on complete parametric alignment. The primary distinction is product status: the original part is designated "Not For New Designs," while the substitute maintains Active status with Visual Communications Company - VCC.

Both parts carry identical regulatory compliance certifications (ROHS3 Compliant, REACH Unaffected) and are packaged in bulk format. The substitute part demonstrates current manufacturing support and inventory availability (1044 Pcs in stock), making it the appropriate selection for component replacement in existing systems.

Selection of the 28PSBLS-W1 ensures electrical compatibility, mechanical interchangeability, and regulatory compliance continuity with the original 28PSBL-W1 specification.

Frequently Asked Questions (FAQ)

Q: Can the 28PSBLS-W1 directly replace the 28PSBL-W1 in existing installations?

A: Yes. Both parts share identical electrical ratings (28V AC/DC), physical dimensions (T-2), base type (Telephone Slide Standard), and color specification (White). Mechanical fit and electrical performance are equivalent.

Q: What is the significance of the product status difference between these parts?

A: The 28PSBL-W1 is marked "Not For New Designs," indicating VCC has transitioned this part to legacy support status. The 28PSBLS-W1 maintains Active status, confirming ongoing manufacturing and supply chain support from the manufacturer.

Q: Are there compliance differences between the two parts?

A: No. Both parts are ROHS3 Compliant and REACH Unaffected. Regulatory compliance is identical, ensuring no additional certification requirements for substitution.

Q: What packaging format is used for both parts?

A: Both the 28PSBL-W1 and 28PSBLS-W1 are supplied in Bulk packaging format.

Q: Is the 28PSBLS-W1 suitable for general purpose lighting applications?

A: Yes. The substitute part is specified for General Purpose Lighting applications, matching the original part's intended use in telephone switching and signaling equipment.