ALFD29902DN-G-24V Equivalent & Substitute Parts

Part Overview

The ALFD29902DN-G-24V is a 30mm illuminated pushbutton switch manufactured by IDEC, designed for momentary operation at 24V with 2NC (two normally closed) contact configuration in green. This component is classified as obsolete, necessitating identification of active equivalent models to maintain system functionality and ensure continued availability for new installations and field replacements.

Substiute Parts

ALFD29902DN-G-24V

IDECIn Stock: 1096ALFD29902DN-G-24V Datasheet

Current PartRFQ

ALFD22202DNUG

IDECIn Stock: 737ALFD22202DNUG Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the ALFD29902DN-G-24V is determined by the following critical parameters:

• Manufacturer Compatibility: IDEC series pushbutton switches maintain consistent mechanical and electrical interfaces within their product line
• Voltage Rating: 24V operation requirement
• Contact Configuration: 2NC contact arrangement for control logic compatibility
• Illumination: Illuminated design with green indicator
• Mechanical Form Factor: 30mm pushbutton size standard
• Regulatory Compliance: ROHS3 compliance and EAR99 classification maintained across equivalent models

The ALFD22202DNUG meets all specified parameters and is classified as an active product, providing direct functional equivalence to the obsolete ALFD29902DN-G-24V.

Parameter Comparison

Engineering Selection Recommendations

The ALFD22202DNUG is the direct equivalent for the obsolete ALFD29902DN-G-24V. Selection is based on:

• Product Status Alignment: The substitute is an active product, ensuring long-term availability and supply chain continuity
• Regulatory Compliance: Both parts maintain ROHS3 compliance and identical ECCN/HTSUS classifications, supporting regulatory requirements across jurisdictions
• Electrical Specifications: Identical voltage rating, contact configuration, and operation type ensure drop-in compatibility within existing control circuits
• Physical and Environmental Ratings: Matching moisture sensitivity level and mechanical form factor confirm mechanical interchangeability

Frequently Asked Questions (FAQ)

Q: Can the ALFD22202DNUG directly replace the ALFD29902DN-G-24V in existing installations?

A: Yes. Both parts share identical electrical specifications (24V, 2NC, momentary operation), mechanical form factor (30mm), and environmental ratings (MSL 1). The substitute is mechanically and electrically interchangeable.

Q: What is the primary reason for substitution?

A: The ALFD29902DN-G-24V is classified as obsolete. The ALFD22202DNUG is an active product offering equivalent functionality with assured supply availability.

Q: Are there packaging differences between these parts?

A: The main part is specified with standard packaging, while the substitute is supplied in bulk packaging. This does not affect electrical or mechanical compatibility.

Q: Do both parts meet the same regulatory requirements?

A: Yes. Both parts are ROHS3 compliant, classified as EAR99, and share the same HTSUS code (8536.50.9035), confirming equivalent regulatory status.

Q: Is the green illumination color identical between both parts?

A: Yes. Both parts feature green illumination, maintaining visual consistency in control panel applications.