0805-101J Equivalent & Substitute Parts

Part Overview

The 0805-101J is a 100 nH unshielded drum core wirewound inductor manufactured by API Delevan Inc., rated for 400 mA with a maximum DC resistance of 460mOhm. This component is classified as obsolete, making identification of suitable substitute parts essential for ongoing production and maintenance applications. The part operates across a temperature range of -40°C to 125°C and is designed for surface mount assembly in compact form factors.

Substiute Parts

0805-101J

API Delevan Inc.In Stock: 9990805-101J Datasheet

Current PartRFQ

CW201212-R10J

Bourns Inc.In Stock: 858CW201212-R10J Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the 0805-101J is determined by strict equivalence across the following electrical and mechanical parameters:

Inductance value must match at 100 nH with ±5% tolerance. Current rating must support minimum 400 mA operation. DC resistance must not exceed 460mOhm to maintain circuit performance. Core material and shielding configuration must remain ceramic and unshielded. Operating temperature range must encompass -40°C to 125°C. Mounting type must be surface mount compatible. Self-resonant frequency and Q factor characteristics must remain within specified ranges.

The substitute part CW201212-R10J from Bourns Inc. satisfies all these criteria while offering improved product status and compliance certifications.

Parameter Comparison

Engineering Selection Recommendations

The CW201212-R10J from Bourns Inc. is the direct substitute for the 0805-101J. This substitution is supported by electrical parameter equivalence across inductance, current rating, tolerance, and frequency characteristics. The substitute part offers superior product status as an active component with established supply chain availability. The CW201212-R10J meets ROHS3 compliance requirements, whereas the original 0805-101J is non-compliant. Both components maintain identical moisture sensitivity ratings and operating temperature specifications. The DC resistance of the substitute part is 30mOhm lower than the maximum specification of the original, providing improved performance margin. Selection of the CW201212-R10J eliminates obsolescence risk while maintaining full electrical and mechanical compatibility.

Frequently Asked Questions (FAQ)

Q: What makes CW201212-R10J a valid substitute for 0805-101J?

A: Both parts share identical inductance (100 nH), current rating (400 mA), tolerance (±5%), operating temperature range (-40°C to 125°C), core material (ceramic), shielding configuration (unshielded), and self-resonant frequency (1.2GHz). The substitute meets all electrical and mechanical requirements for direct replacement.

Q: How do the DC resistance values compare?

A: The 0805-101J specifies a maximum DC resistance of 460mOhm. The CW201212-R10J has a DC resistance of 430mOhm, which is within the acceptable range and provides lower resistance performance.

Q: Are there package compatibility concerns?

A: The 0805-101J uses a nonstandard package, while the CW201212-R10J uses the 0805 (2012 Metric) standard package. Both are surface mount components with compatible mounting characteristics. Physical dimensions are similar: 0805-101J measures 0.090" L x 0.068" W with 0.060" height; CW201212-R10J measures 0.083" L x 0.059" W with 0.059" height.

Q: What is the compliance difference between these parts?

A: The 0805-101J is RoHS non-compliant. The CW201212-R10J is ROHS3 compliant, making it suitable for applications requiring regulatory compliance with modern environmental standards.

Q: Is the Q factor difference significant?

A: The 0805-101J has Q of 65 @ 500MHz, while the CW201212-R10J has Q of 60 @ 500MHz. This 5-point difference is within normal manufacturing variation for ceramic core inductors and does not affect functional equivalence.