Murata Power Solutions 82334C Equivalent & Substitute Parts

Part Overview

The Murata Power Solutions 82334C is a 330 µH unshielded wirewound inductor rated for 80 mA continuous current with a maximum DC resistance of 14.6Ohm. This component is designed for surface mount applications in the 1210 (3225 Metric) package format. The part is currently active in production and maintains full RoHS3 compliance with unlimited moisture sensitivity rating. Equivalent parts are identified when design requirements permit substitution based on matching electrical specifications and operating parameters.

Substiute Parts

82334C

Murata Power SolutionsIn Stock: 113082334C Datasheet

Current PartRFQ

SDR0302-331KL

Bourns Inc.In Stock: 6518SDR0302-331KL Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the Murata 82334C with the Bourns SDR0302-331KL is permissible based on the following matched electrical parameters:

Inductance value of 330 µH with ±10% tolerance remains constant across both parts. Both components are unshielded surface mount inductors with identical inductance specifications and tolerance bands. The substitute part maintains RoHS3 compliance and unlimited moisture sensitivity rating, matching the regulatory and environmental requirements of the original component.

The primary distinction between these parts lies in current rating capability and DC resistance characteristics. The Bourns SDR0302-331KL provides enhanced current handling at 130 mA versus the original 80 mA rating, with improved DC resistance of 10Ohm Max compared to 14.6Ohm Max. These differences represent performance improvements that do not restrict substitution in applications designed for the original part's specifications.

Parameter Comparison

Engineering Selection Recommendations

Both the Murata 82334C and Bourns SDR0302-331KL maintain active product status with full RoHS3 compliance and REACH unaffected designation. Selection between these parts should be based on application-specific current requirements and thermal operating conditions. The Bourns substitute provides superior current handling capacity and lower DC resistance, making it suitable for applications requiring enhanced thermal performance or higher current margins. The extended operating temperature range of the Bourns part (-40°C ~ 125°C versus -40°C ~ 85°C) accommodates more demanding thermal environments. Both parts carry identical regulatory certifications and moisture sensitivity ratings, ensuring equivalent reliability in standard PCB assembly and storage conditions.

Frequently Asked Questions (FAQ)

Q: Can the Bourns SDR0302-331KL directly replace the Murata 82334C in existing designs?

A: Yes. Both parts share identical inductance values of 330 µH with ±10% tolerance and unshielded construction. The Bourns part provides equal or superior electrical performance with higher current rating and lower DC resistance.

Q: What are the physical dimension differences between these parts?

A: The Murata 82334C measures 0.126" L x 0.098" W x 0.091" H (3.20mm x 2.50mm x 2.30mm). The Bourns SDR0302-331KL measures 0.118" L x 0.110" W x 0.110" H (3.00mm x 2.80mm x 2.80mm). Both are surface mount components, but PCB layout verification is required due to dimensional variations.

Q: Are there compliance or certification differences between these parts?

A: No. Both parts are ROHS3 compliant, REACH unaffected, and carry MSL 1 (Unlimited) moisture sensitivity ratings. Regulatory and environmental compliance requirements are equivalent.

Q: What is the significance of the current rating difference?

A: The Bourns part is rated for 130 mA continuous current versus 80 mA for the Murata part. This represents a performance enhancement that does not restrict substitution in applications designed for the original 80 mA specification.

Q: How do the DC resistance values affect circuit performance?

A: The Bourns SDR0302-331KL provides 10Ohm Max DC resistance compared to 14.6Ohm Max for the Murata part. Lower DC resistance reduces power dissipation and heat generation in the inductor, improving overall circuit efficiency.