ASD21L20N Equivalent & Substitute Parts

Part Overview

The ASD21L20N is a selector switch manufactured by IDEC, classified as a 2-position selector switch. This component is currently listed as obsolete, which necessitates identification of equivalent alternatives for ongoing maintenance and repair applications. The ASD21L20N remains available in inventory (1018 pcs) and maintains ROHS3 compliance with unlimited moisture sensitivity rating (MSL 1).

Substiute Parts

ASD21L20N

IDECIn Stock: 1106ASD21L20N Datasheet

Current PartRFQ

ASD21L20NU

IDECIn Stock: 908ASD21L20NU Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

The ASD21L20NU qualifies as a direct substitute for the ASD21L20N based on the following alignment criteria:

• Identical manufacturer (IDEC)
• Identical base product series (ASD21)
• Matching functional classification (2-position selector switch)
• Equivalent RoHS compliance status (ROHS3)
• Identical moisture sensitivity rating (MSL 1)
• Matching trade classification codes (ECCN: EAR99, HTSUS: 8536.50.9025)

The primary distinction is product status: ASD21L20NU is active production, while ASD21L20N is obsolete.

Parameter Comparison

Engineering Selection Recommendations

The ASD21L20NU is the direct equivalent for ASD21L20N applications. Selection should be based on the following factors:

• Compliance Continuity: Both parts maintain identical ROHS3 certification and regulatory classification, ensuring no compliance gaps in system integration.
• Supply Status: ASD21L20NU is in active production with confirmed inventory (846 pcs), providing supply continuity for the obsolete ASD21L20N.
• Functional Equivalence: Identical base series designation and 2-position selector switch classification confirm functional interchangeability within the specified parameter set.
• Environmental Rating: Matching MSL 1 rating ensures equivalent performance in moisture-sensitive applications.

Frequently Asked Questions (FAQ)

Q: Can ASD21L20NU directly replace ASD21L20N in existing designs?

A: Yes. Both parts share identical functional classification, RoHS compliance, moisture sensitivity rating, and regulatory codes. The substitution is based on matching core electrical and mechanical parameters within the ASD21 selector switch series.

Q: What is the primary reason for substitution?

A: ASD21L20N is obsolete. ASD21L20NU is the active production equivalent from the same manufacturer and series, maintaining all specified compliance and environmental ratings.

Q: Are there packaging differences between these parts?

A: Both parts are supplied in bulk packaging. No packaging format change is required for substitution.

Q: Do these parts have different moisture sensitivity requirements?

A: No. Both parts carry MSL 1 (Unlimited) rating, indicating identical moisture handling and storage requirements.

Q: What regulatory classifications apply to both parts?

A: Both parts are classified under ECCN EAR99 and HTSUS code 8536.50.9025, with ROHS3 compliance maintained across the substitution.