Würth Elektronik 742792039 Ferrite Bead Equivalent & Substitute Parts

Part Overview

The Würth Elektronik 742792039 is a ferrite bead component classified as obsolete. Ferrite beads are passive electronic components used for electromagnetic interference (EMI) suppression and signal line filtering in electronic circuits. Due to its obsolete product status, this component is no longer actively manufactured or supported by Würth Elektronik. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain reliability, and support ongoing production or repair requirements for systems utilizing this component.

Substiute Parts

742792039

Würth ElektronikIn Stock: 1054742792039 Datasheet

Current PartRFQ

742792022

Würth ElektronikIn Stock: 9375742792022 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the obsolete Würth Elektronik 742792039 is based on functional equivalence within the ferrite bead product category. The primary substitute part, Würth Elektronik 742792022, shares the same manufacturer and belongs to the same component family (WE-CBF series ferrite beads).

Substitution eligibility is determined by the following parameters:

• Component Type: Ferrite bead for signal line filtering
• Manufacturer Consistency: Both parts manufactured by Würth Elektronik
• Package Format: Surface mount ferrite bead in 0805 (2012 Metric) package
• Electrical Performance: Impedance specification at 100 MHz frequency
• Current Handling Capability: Maximum current rating compatibility
• Environmental Compliance: RoHS3 compliance and operating temperature range

The 742792022 substitute part is actively manufactured and maintains full inventory availability, ensuring reliable component sourcing for replacement and new production applications.

Parameter Comparison

Engineering Selection Recommendations

The Würth Elektronik 742792022 is the designated manufacturer-recommended substitute for the obsolete 742792039 ferrite bead. Selection of the 742792022 is supported by the following engineering considerations:

Product Status: The 742792022 maintains active product status with full manufacturing support, ensuring long-term component availability and supply chain continuity compared to the obsolete 742792039.

Regulatory Compliance: The 742792022 is RoHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements for electronic component manufacturing and deployment in regulated markets.

Inventory Availability: The 742792022 is available in significantly higher quantities (9344 pieces) compared to remaining stock of the obsolete part (949 pieces), providing superior supply security for production requirements.

Manufacturer Support: Both parts originate from Würth Elektronik, ensuring consistent quality standards, technical documentation, and manufacturer support for the substitute component.

For applications requiring the specific electrical characteristics of the 742792039, the 742792022 provides equivalent ferrite bead functionality within the WE-CBF series product line. Component selection should be validated against specific circuit requirements, including impedance specifications, current handling demands, and operating temperature conditions.

Frequently Asked Questions (FAQ)

Q: Why is the 742792039 no longer available?

A: The 742792039 has reached obsolete product status within Würth Elektronik's product portfolio. Obsolescence occurs when manufacturers discontinue production of components to consolidate product lines, improve manufacturing efficiency, or transition to newer component designs. Remaining inventory is limited to existing stock.

Q: Is the 742792022 a direct replacement for the 742792039?

A: The 742792022 is the manufacturer-recommended substitute for the 742792039. Both components are ferrite beads from Würth Elektronik designed for signal line filtering applications. The 742792022 is actively manufactured and maintains full product support.

Q: What are the key electrical parameters that define ferrite bead substitution?

A: Ferrite bead substitution is determined by impedance specification at operating frequency, maximum current rating, DC resistance, filter type (signal line), and number of signal lines. The 742792022 provides 220 Ohms impedance at 100 MHz with 2A maximum current rating and 50mOhm DC resistance.

Q: Are there package compatibility considerations between these parts?

A: The 742792022 is specified in 0805 (2012 Metric) surface mount package format with dimensions of 0.079" L x 0.047" W (2.00mm x 1.20mm) and maximum height of 0.043" (1.10mm). Package specifications should be verified against PCB layout and design requirements.

Q: What environmental compliance certifications apply to the substitute part?

A: The 742792022 is RoHS3 compliant, REACH unaffected, and rated for operating temperatures from -55°C to 125°C. Moisture sensitivity level is classified as MSL 1 (unlimited), indicating no moisture sensitivity restrictions for storage or handling.

Q: How does inventory availability affect component selection?

A: The 742792022 is available in significantly higher quantities (9344 pieces) compared to the obsolete 742792039 (949 pieces remaining). For ongoing production or large-scale applications, the 742792022 provides superior supply chain reliability and reduces risk of future component unavailability.