RF EMI Absorbing Sheet 18150090 Equivalent & Substitute Parts

Part Overview

The Laird Technologies EMI model 18150090 is an RF EMI absorbing sheet from the ECCOSORB® DSF series, manufactured from silicone rubber with dimensions of 36.000" (914.40mm) length by 12.008" (305.00mm) width. This product is classified as obsolete, necessitating identification of active equivalent alternatives for continued procurement and application support.

Substiute Parts

18150090

Laird Technologies EMIIn Stock: 70318150090 Datasheet

Current PartRFQ

21451250

Laird Technologies EMIIn Stock: 83521451250 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the obsolete model 18150090 is based on the following criteria derived from provided parameters:

Primary Substitution Criteria:

• Manufacturer: Laird Technologies EMI (same manufacturer ensures design compatibility)
• Product Type: RF EMI absorbing sheet (functional equivalence)
• Material Category: Silicone rubber-based absorber (electromagnetic performance class)
• Dimensional Compatibility: Sheet format with comparable length and width dimensions
• Regulatory Classification: ECCN EAR99 and HTSUS 3921.90.4090 (trade compliance alignment)

Identified Substitute: Model 21451250 from the ECCOSORB® SF series meets the substitution criteria as an active product from the same manufacturer within the same regulatory classification framework.

Parameter Comparison

Engineering Selection Recommendations

Primary Recommendation: Model 21451250

The ECCOSORB® SF series model 21451250 is the appropriate substitute for the obsolete 18150090. Selection rationale:

• Product Status: Model 21451250 maintains active production status, ensuring supply chain continuity and availability
• Regulatory Compliance: Both parts share identical ECCN (EAR99) and HTSUS (3921.90.4090) classifications, maintaining export and trade compliance requirements
• RoHS Compliance: Model 21451250 is certified RoHS Compliant, meeting current environmental and regulatory standards
• Dimensional Alignment: Nominal dimensions (36" × 12") correspond to the original part specifications
• Manufacturer Continuity: Both products originate from Laird Technologies EMI, ensuring design philosophy and quality standards alignment

Frequently Asked Questions (FAQ)

Q: Why is model 18150090 being discontinued?

A: Model 18150090 is classified as obsolete. The substitute model 21451250 provides functional equivalence while maintaining active production status and current regulatory compliance.

Q: Are the dimensions of 21451250 identical to 18150090?

A: Model 21451250 has nominal dimensions of 36" × 12", corresponding to the 18150090 specifications of 36.000" (914.40mm) × 12.008" (305.00mm). Exact tolerance specifications for model 21451250 are not provided in available data.

Q: What is the material composition difference between the two models?

A: Model 18150090 is specified as silicone rubber. Material composition for model 21451250 is not provided in available documentation. Both are RF EMI absorbing sheets from Laird Technologies EMI.

Q: Are both parts subject to the same export regulations?

A: Yes. Both models share identical ECCN classification (EAR99) and HTSUS code (3921.90.4090), indicating equivalent regulatory treatment for export and trade purposes.

Q: Does model 21451250 meet current environmental standards?

A: Model 21451250 is certified RoHS Compliant. Compliance status for the obsolete model 18150090 is not specified.

Q: What is the inventory status for these parts?

A: Model 18150090 has 677 pieces in stock (obsolete status). Model 21451250 has 735 pieces in stock (active status).