ALD29902DN-A-24V Equivalent & Substitute Parts

Part Overview

The ALD29902DN-A-24V is a 30mm illuminated pushbutton switch manufactured by IDEC, designed for momentary operation at 24V. This component is classified as obsolete, necessitating identification of active equivalent parts to maintain system functionality and ensure continued availability for maintenance and new installations. The substitute part maintains identical electrical and mechanical specifications while offering current market availability.

Substiute Parts

ALD29902DN-A-24V

IDECIn Stock: 1084ALD29902DN-A-24V Datasheet

Current PartRFQ

ALD22202DNUA

IDECIn Stock: 1035ALD22202DNUA Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

The ALD22202DNUA qualifies as a direct substitute based on the following matching parameters:

• Manufacturer: IDEC (same manufacturer ensures design compatibility)
• Product Type: Pushbutton Switch, Illuminated (identical functional category)
• Size: 30mm (mechanical form factor match)
• Voltage Rating: 24V (electrical specification match)
• Operation Type: Momentary with 2NC (normally closed) contacts (functional equivalence)
• RoHS Compliance: ROHS3 Compliant (regulatory alignment)
• Moisture Sensitivity Level: 1 (Unlimited) (environmental rating match)
• ECCN and HTSUS: Identical classification codes (trade compliance match)

The substitute part is currently active in production, providing assured long-term availability compared to the obsolete main part number.

Parameter Comparison

Engineering Selection Recommendations

The ALD22202DNUA is the direct equivalent for ALD29902DN-A-24V applications. Selection is based on:

• Identical electrical specifications (24V, momentary operation)
• Matching mechanical form factor (30mm illuminated pushbutton)
• Equivalent regulatory compliance (ROHS3, EAR99, identical HTSUS classification)
• Active product status ensuring supply chain continuity and technical support availability
• Identical environmental ratings (MSL 1)

The substitute part is suitable for direct replacement in existing designs and new installations requiring 30mm illuminated pushbutton switches at 24V.

Frequently Asked Questions (FAQ)

Q: Can ALD22202DNUA directly replace ALD29902DN-A-24V in existing applications?

A: Yes. Both parts share identical electrical ratings (24V), mechanical dimensions (30mm), operation type (momentary), and regulatory compliance. Direct substitution is supported.

Q: What is the primary reason for substitution?

A: ALD29902DN-A-24V is obsolete. ALD22202DNUA is an active product from the same manufacturer with equivalent specifications, ensuring continued availability.

Q: Are there packaging differences between these parts?

A: ALD29902DN-A-24V uses standard packaging, while ALD22202DNUA is supplied in bulk packaging. This does not affect electrical or mechanical compatibility.

Q: Do both parts meet the same compliance standards?

A: Yes. Both are ROHS3 compliant with identical ECCN (EAR99) and HTSUS (8536.50.9035) classifications.

Q: What is the moisture sensitivity rating for these parts?

A: Both parts have MSL 1 (Unlimited), indicating no moisture sensitivity restrictions for storage or handling.