Würth Elektronik 701014101 Equivalent & Substitute Parts

Part Overview

The Würth Elektronik 701014101 is a 10 µH shielded wirewound inductor rated for 35 A continuous current with 1.1 mOhm DC resistance, designed for surface mount applications in the WE-FLAT-I series. This component is classified as obsolete, making identification of suitable substitute parts essential for ongoing production and maintenance applications. The part meets AEC-Q200 automotive qualification standards and operates across the -40°C to 150°C temperature range.

Substiute Parts

701014101

Würth ElektronikIn Stock: 799701014101 Datasheet

Current PartRFQ

78436432100

Würth ElektronikIn Stock: 117478436432100 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the 701014101 is determined by strict equivalence across the following critical parameters:

• Inductance Value: 10 µH (fixed requirement)
• Inductance Tolerance: ±15% (fixed requirement)
• Shielding Type: Shielded (fixed requirement)
• Mounting Type: Surface Mount (fixed requirement)
• Physical Dimensions: 27.50 mm x 27.50 mm footprint and 17.00 mm maximum seated height (fixed requirement)
• Operating Temperature Range: -40°C ~ 150°C (fixed requirement)
• Compliance Standards: AEC-Q200 and ROHS3 (fixed requirement)

Substitute parts must maintain or exceed the current rating and saturation current specifications while maintaining equivalent or lower DC resistance. The Würth Elektronik 78436432100 from the WE-HCFA series meets all substitution criteria with improved electrical performance characteristics.

Parameter Comparison

Engineering Selection Recommendations

The Würth Elektronik 78436432100 is a direct substitute for the obsolete 701014101. Both components maintain identical inductance values, tolerance specifications, physical dimensions, and thermal operating ranges. The substitute part is currently in active production status with higher inventory availability.

The 78436432100 provides improved electrical performance with a 3 A higher current rating (38 A versus 35 A) and 4 A higher saturation current (14 A versus 10 A), while maintaining equivalent DC resistance specifications. Both parts carry AEC-Q200 automotive qualification and ROHS3 compliance certification, ensuring regulatory and quality standards are preserved across the substitution.

The substitute part is supplied in tray packaging and includes a specified self-resonant frequency of 18 MHz, providing additional technical documentation for circuit design validation.

Frequently Asked Questions (FAQ)

Q: Can the 78436432100 be used as a direct replacement for the 701014101 in existing designs?

A: Yes. Both parts share identical inductance values (10 µH), tolerance specifications (±15%), physical dimensions (27.50 mm x 27.50 mm), seated height (17.00 mm), and operating temperature ranges (-40°C ~ 150°C). The substitute part meets or exceeds all electrical specifications of the original component.

Q: What are the key differences between these two parts?

A: The primary differences are product status and electrical performance enhancements. The 78436432100 is in active production, whereas the 701014101 is obsolete. The substitute provides higher current rating (38 A versus 35 A) and higher saturation current (14 A versus 10 A) while maintaining equivalent DC resistance.

Q: Are both parts AEC-Q200 qualified?

A: Yes. Both the 701014101 and 78436432100 carry AEC-Q200 automotive qualification ratings, ensuring compliance with automotive industry reliability standards.

Q: Do both parts meet RoHS and REACH compliance requirements?

A: Yes. Both components are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements for electronic component manufacturing and distribution.

Q: What is the difference in packaging between these parts?

A: The 701014101 is supplied with unspecified packaging, while the 78436432100 is supplied in tray packaging, which is standard for high-volume production environments.

Q: Can I use the 78436432100 in applications requiring the exact saturation current of the 701014101?

A: The 78436432100 has a higher saturation current (14 A versus 10 A). If your circuit design depends on saturation behavior at exactly 10 A, this difference must be evaluated against your specific application requirements.