24PSB Incandescent Lamp T-2 Telephone Slide Base 24V Equivalent & Substitute Parts

Part Overview

The 24PSB is an incandescent lamp designed for telephone slide applications, featuring a T-2 lens form factor with a telephone slide base type 5 standard configuration. This component operates at 24V with a light output of 3000 MSCP (Mean Spherical Candle Power) and is manufactured by Visual Communications Company (VCC).

The 24PSB is classified as Obsolete, indicating it is no longer in active production. Finding equivalent or substitute parts is necessary for maintenance, repair, and replacement applications where this lamp type is specified in existing equipment or systems.

Substiute Parts

24PSB

Visual Communications Company - VCCIn Stock: 82624PSB Datasheet

Current PartRFQ

24PSB-

Visual Communications Company - VCCIn Stock: 331624PSB- Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the 24PSB is determined by strict equivalence across the following critical parameters:

Electrical Parameters:

• Voltage Rating: 24V (exact match required)
• Light Output: 3000 MSCP (exact match required)

Mechanical Parameters:

• Lens Size: T-2 (exact match required)
• Lens Style: Round with Flat Top (exact match required)
• Lead Style: Telephone Slide Base Type 5 Standard (exact match required)

Physical Characteristics:

• Color: Clear (exact match required)
• Type: Incandescent (exact match required)

Compliance:

• RoHS Status: ROHS3 Compliant (minimum requirement)

The substitute part 24PSB- maintains identical electrical, mechanical, and physical specifications as the main part number 24PSB, differing only in packaging configuration and product status designation.

Parameter Comparison

Engineering Selection Recommendations

The 24PSB- serves as a direct functional equivalent to the 24PSB. Both parts are manufactured by VCC and maintain identical electrical and mechanical specifications. Selection between these parts should be based on the following factors:

Product Status Consideration: The 24PSB is designated as Obsolete, while 24PSB- is designated as Not For New Designs. For existing equipment requiring replacement lamps, either part is suitable. For new system designs, neither part is recommended; alternative current-production lamp types should be evaluated.

Compliance Status: Both parts maintain ROHS3 compliance and carry identical export classification (EAR99) and tariff codes (8539.29.3060). Both are REACH Unaffected.

Availability: The 24PSB- offers significantly higher inventory availability (3295 units versus 746 units), making it the preferred choice for immediate procurement needs.

Packaging: The 24PSB- is supplied in Bulk packaging, while the main part packaging is unspecified. Packaging selection should align with application requirements and handling procedures.

Frequently Asked Questions (FAQ)

Q: Can 24PSB- be used as a direct replacement for 24PSB?

A: Yes. The 24PSB- is electrically and mechanically equivalent to the 24PSB. Both parts feature identical 24V voltage rating, 3000 MSCP light output, T-2 lens form factor, Round with Flat Top lens style, and Telephone Slide Base Type 5 Standard lead configuration. Substitution is valid for all applications where 24PSB is specified.

Q: What is the difference between 24PSB and 24PSB-?

A: The primary differences are product status designation and packaging. The 24PSB is classified as Obsolete, while 24PSB- is classified as Not For New Designs. The 24PSB- is supplied in Bulk packaging. All electrical, mechanical, and compliance specifications are identical.

Q: Are there any compatibility concerns when substituting 24PSB- for 24PSB?

A: No compatibility concerns exist. Both parts maintain identical specifications for voltage, light output, lens dimensions, base type, and color. Physical form factor and electrical performance are equivalent.

Q: What does "Not For New Designs" mean for the 24PSB-?

A: This designation indicates the part is available for replacement and maintenance applications but should not be selected for new equipment designs. For new applications, current-production lamp alternatives should be evaluated.

Q: Is the 24PSB- RoHS compliant?

A: Yes. The 24PSB- is ROHS3 compliant and REACH Unaffected, meeting current environmental and regulatory requirements.

Q: What is the Moisture Sensitivity Level (MSL) for these lamps?

A: Both the 24PSB and 24PSB- carry MSL 1 (Unlimited), indicating no moisture sensitivity restrictions during storage or handling.

Q: Can these lamps be used in new system designs?

A: No. Both the 24PSB (Obsolete) and 24PSB- (Not For New Designs) are not recommended for new system designs. Current-production incandescent or alternative lamp technologies should be evaluated for new applications.