RF EMI CoolZorb 400 Self-Adhesive 4"X4" (98100326) Equivalent & Substitute Parts

Part Overview

The Laird Technologies EMI CoolZorb 400 (Part Number 98100326) is a self-adhesive RF EMI absorption material in square format measuring 4.000" (101.60mm) × 4.000" (101.60mm) × 0.020" (0.50mm). This component is classified as obsolete, necessitating identification of active equivalent alternatives that maintain identical mechanical and electrical specifications for continued system integration and procurement.

Substiute Parts

98100326

Laird Technologies EMIIn Stock: 112198100326 Datasheet

Current PartRFQ

CZ600-020S

Laird Technologies EMIIn Stock: 969CZ600-020S Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the obsolete CoolZorb 400 is determined by strict equivalence across the following critical parameters:

Mechanical Compatibility:

• Identical square geometry: 4.000" × 4.000" (101.60mm × 101.60mm)
• Identical thickness: 0.020" (0.50mm)
• Self-adhesive backing requirement

Thermal Compatibility:

• Operating temperature range: -40°C ~ 175°C

Regulatory & Compliance:

• ECCN classification: EAR99
• HTSUS code: 3921.13.5000
• Moisture Sensitivity Level: Not Applicable

The substitute part CoolZorb 600 maintains all mechanical dimensions, thermal operating range, adhesive type, and regulatory classifications while offering active product status and RoHS compliance.

Parameter Comparison

Engineering Selection Recommendations

The CoolZorb 600 (Part Number CZ600-020S) is the direct substitute for the obsolete CoolZorb 400 (98100326). Selection is based on the following engineering criteria:

Mechanical Equivalence: All dimensional specifications are identical, ensuring direct form-fit compatibility in existing mechanical assemblies and PCB layouts.

Thermal Performance: Both materials operate across the identical temperature range of -40°C to 175°C, maintaining thermal stability in equivalent application environments.

Regulatory Compliance: Both parts share identical ECCN (EAR99) and HTSUS (3921.13.5000) classifications, ensuring consistent export control and tariff treatment. The CoolZorb 600 adds RoHS compliance certification, providing enhanced regulatory alignment with current environmental standards.

Product Availability: The CoolZorb 600 maintains active product status with 878 units in stock, ensuring supply chain continuity for ongoing procurement requirements.

Frequently Asked Questions (FAQ)

Q: Can CoolZorb 600 be used as a direct replacement for CoolZorb 400?

A: Yes. The CoolZorb 600 is mechanically and thermally equivalent to the CoolZorb 400. All critical dimensions (4.000" × 4.000" × 0.020"), operating temperature range (-40°C ~ 175°C), and adhesive properties are identical. The substitute part is suitable for direct installation without mechanical or thermal redesign.

Q: What is the difference between CoolZorb 400 and CoolZorb 600?

A: The primary difference is product status and compliance certification. CoolZorb 400 is obsolete, while CoolZorb 600 is an active product with RoHS compliance. The mechanical and thermal specifications are identical.

Q: Are there any compatibility concerns with the self-adhesive backing?

A: No. Both parts feature self-adhesive backing with identical application properties. Surface preparation and installation procedures remain unchanged.

Q: Does the CoolZorb 600 meet the same regulatory requirements?

A: Yes. Both parts share identical ECCN (EAR99) and HTSUS (3921.13.5000) classifications. The CoolZorb 600 additionally meets RoHS compliance requirements.

Q: What is the inventory status for the substitute part?

A: The CoolZorb 600 (CZ600-020S) has 878 units in stock as new original inventory, ensuring availability for immediate procurement.