PM528S-101-RC Equivalent & Substitute Parts

Part Overview

The PM528S-101-RC is a 100 µH shielded drum core wirewound inductor manufactured by Bourns Inc., rated for 450 mA continuous current with a maximum DC resistance of 480 mOhm. This surface mount component operates across the temperature range of -40°C to 125°C and is ROHS3 compliant. The part is currently active in production with 933 units available in stock. Substitute parts are identified when equivalent electrical specifications and mechanical compatibility are maintained across the critical performance parameters.

Substiute Parts

PM528S-101-RC

Bourns Inc.In Stock: 944PM528S-101-RC Datasheet

Current PartRFQ

SRR5028-101Y

Bourns Inc.In Stock: 5080SRR5028-101Y Datasheet

SimilarRFQ

744053101

Würth ElektronikIn Stock: 4917744053101 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the PM528S-101-RC are qualified based on the following critical parameters that determine functional and mechanical compatibility:

Electrical Equivalence Criteria:

• Inductance value: 100 µH
• Inductance tolerance: ±30%
• Current rating: 450 mA minimum
• Current saturation (Isat): 450 mA minimum
• DC resistance: 480 mOhm maximum
• Core material: Ferrite
• Shielding: Shielded configuration

Mechanical Compatibility Criteria:

• Mounting type: Surface mount
• Physical dimensions: 0.228" L x 0.228" W (5.80mm x 5.80mm)
• Height seated maximum: 0.118" (3.00mm)
• Packaging format: Tape & Reel (TR)

Compliance & Environmental Criteria:

• Operating temperature range: -40°C to 125°C
• RoHS3 compliance
• Moisture sensitivity level: 1 (Unlimited)

All identified substitute parts meet these criteria and are suitable for direct replacement in applications where the PM528S-101-RC is specified.

Parameter Comparison

Engineering Selection Recommendations

All three parts—PM528S-101-RC, SRR5028-101Y, and 744053101—are active production components with ROHS3 compliance and identical core electrical and mechanical specifications. Selection between these parts is based on availability and supply chain considerations:

PM528S-101-RC (Bourns Inc.): 933 units in stock. Primary specification reference.

SRR5028-101Y (Bourns Inc.): 5000 units in stock. Higher inventory availability from the same manufacturer. Identical electrical and mechanical parameters to the primary part.

744053101 (Würth Elektronik): 4831 units in stock. Cross-manufacturer alternative with equivalent performance. Self-resonant frequency specified at 10 MHz versus 8 MHz for Bourns parts; Q factor not specified in available data.

All parts meet the operating temperature range of -40°C to 125°C and carry MSL 1 (Unlimited) moisture sensitivity rating, indicating no special handling requirements during storage or assembly.

Frequently Asked Questions (FAQ)

Q: Can SRR5028-101Y be used as a direct replacement for PM528S-101-RC?

A: Yes. Both parts are manufactured by Bourns Inc. and share identical electrical specifications (100 µH inductance, 450 mA current rating, 480 mOhm maximum DCR) and mechanical dimensions (5.80mm x 5.80mm x 3.00mm height). Both are ROHS3 compliant with MSL 1 rating and surface mount packaging.

Q: What is the difference between the Bourns PM528S-101-RC and the Würth Elektronik 744053101?

A: The primary electrical specifications are equivalent. The Würth part specifies a self-resonant frequency of 10 MHz compared to 8 MHz for the Bourns part. The Q factor is not provided for the Würth component. Physical dimensions and current ratings are identical. Both are ROHS3 compliant.

Q: Are there any package or footprint differences between these parts?

A: No. All three parts have identical physical dimensions of 0.228" L x 0.228" W (5.80mm x 5.80mm) with a maximum seated height of 0.118" (3.00mm). All are supplied in Tape & Reel (TR) packaging for surface mount assembly.

Q: What are the critical parameters for substitution?

A: Inductance (100 µH ±30%), current rating (450 mA minimum), DC resistance (480 mOhm maximum), core material (ferrite), shielding (shielded), and physical dimensions (5.80mm x 5.80mm x 3.00mm) must be maintained. Operating temperature range (-40°C to 125°C) and compliance certifications (ROHS3, MSL 1) must also be equivalent.

Q: Can these parts be used in high-frequency applications?

A: These inductors are tested at 100 kHz. The self-resonant frequencies are specified at 8 MHz (PM528S-101-RC and SRR5028-101Y) and 10 MHz (744053101). Application suitability at frequencies above the test frequency requires circuit-level validation.

Q: Is there a difference in moisture sensitivity between these parts?

A: No. All three parts carry MSL 1 (Unlimited) rating, indicating no moisture sensitivity restrictions during storage, handling, or assembly processes.