PM124SH-8R2M-RC Equivalent & Substitute Parts

Part Overview

The PM124SH-8R2M-RC is an 8.2 µH shielded drum core wirewound inductor manufactured by Bourns Inc., designed for surface mount applications requiring moderate current handling and low DC resistance. This component is classified as Active product status and is ROHS3 compliant. Substitute parts are identified when equivalent electrical and mechanical parameters are maintained across the same product category, ensuring functional interchangeability in circuit designs without performance degradation.

Substiute Parts

PM124SH-8R2M-RC

Bourns Inc.In Stock: 929PM124SH-8R2M-RC Datasheet

Current PartRFQ

SRR1240-8R2M

Bourns Inc.In Stock: 2279SRR1240-8R2M Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the PM124SH-8R2M-RC is determined by strict equivalence across the following critical parameters:

• Inductance value: 8.2 µH with ±20% tolerance
• Current rating: 4.5 A minimum
• Saturation current (Isat): 4.3 A minimum
• DC resistance: 27 mOhm maximum
• Shielding: Shielded configuration required
• Core type: Ferrite drum core wirewound
• Mounting: Surface mount only
• Package dimensions: 12.50mm x 12.50mm footprint with 4.50mm maximum height
• Operating temperature: -40°C to 125°C range
• Compliance: ROHS3 compliant, MSL 1

The SRR1240-8R2M meets all specified parameters and qualifies as a direct substitute within the same electrical and mechanical constraints.

Parameter Comparison

Engineering Selection Recommendations

Both the PM124SH-8R2M-RC and SRR1240-8R2M are Active status products manufactured by Bourns Inc. with identical electrical specifications and mechanical dimensions. Selection between these parts may be based on inventory availability, lead time, or supply chain considerations. Both components maintain ROHS3 compliance and MSL 1 rating, ensuring compatibility with standard manufacturing and storage protocols. No performance differentiation exists between these parts when applied within the specified operating parameters.

Frequently Asked Questions (FAQ)

Q: Can the SRR1240-8R2M replace the PM124SH-8R2M-RC in existing designs?

A: Yes. Both parts share identical inductance values, current ratings, DC resistance, shielding configuration, core material, package dimensions, and operating temperature ranges. Direct substitution is electrically and mechanically compatible.

Q: Are there any differences in compliance or certifications?

A: No. Both parts are ROHS3 compliant with MSL 1 rating and REACH unaffected status. Compliance profiles are identical.

Q: What determines if a part can substitute for the PM124SH-8R2M-RC?

A: Substitute parts must match all critical parameters: 8.2 µH inductance with ±20% tolerance, 4.5 A current rating, 4.3 A saturation current, 27 mOhm maximum DC resistance, shielded ferrite drum core construction, surface mount configuration, 12.50mm x 12.50mm x 4.50mm package dimensions, and -40°C to 125°C operating temperature range.

Q: Are the package footprints identical?

A: Yes. Both parts use identical surface mount package dimensions of 12.50mm length, 12.50mm width, and 4.50mm maximum seated height, ensuring PCB layout compatibility without modification.

Q: What is the difference between the PM124SH and SRR1240 series designations?

A: The series designation reflects Bourns Inc. product line classification. Despite different series names, the PM124SH-8R2M-RC and SRR1240-8R2M are functionally equivalent across all specified electrical and mechanical parameters.