PM528S-680-RC Equivalent & Substitute Parts

Part Overview

The PM528S-680-RC is a 68 µH shielded drum core wirewound inductor manufactured by Bourns Inc., designed for surface mount applications. This component operates at 620 mA rated current with a maximum DC resistance of 350 mOhm and is classified as Active product status. The part is ROHS3 compliant and suitable for operating temperatures ranging from -40°C to 125°C. Substitute parts are identified when equivalent electrical and mechanical parameters are maintained across the same inductance value, current rating, and physical package specifications.

Substiute Parts

PM528S-680-RC

Bourns Inc.In Stock: 925PM528S-680-RC Datasheet

Current PartRFQ

SRR5028-680Y

Bourns Inc.In Stock: 1197SRR5028-680Y Datasheet

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Key Parameters

Substitute Part Grouping Explanation

The SRR5028-680Y qualifies as a direct substitute for the PM528S-680-RC based on the following critical parameters:

• Identical inductance value: 68 µH with ±30% tolerance
• Matching current rating: 620 mA
• Equivalent saturation current: 560 mA
• Identical DC resistance specification: 350 mOhm Max
• Matching shielded drum core wirewound construction with ferrite material
• Identical Q factor: 8 @ 2.52 MHz
• Matching self-resonant frequency: 11 MHz
• Identical operating temperature range: -40°C ~ 125°C
• Matching surface mount package dimensions: 0.228" L x 0.228" W (5.80 mm x 5.80 mm)
• Identical seated height: 0.118" (3.00 mm)
• Both parts are Active status and ROHS3 compliant

Parameter Comparison

Engineering Selection Recommendations

Both PM528S-680-RC and SRR5028-680Y are Active status components manufactured by Bourns Inc. with full ROHS3 compliance and unlimited moisture sensitivity rating. Selection between these parts may be based on inventory availability, lead time, or supply chain considerations, as all electrical and mechanical parameters are equivalent. Both components meet the same regulatory requirements and environmental specifications.

Frequently Asked Questions (FAQ)

Q: Can SRR5028-680Y replace PM528S-680-RC in existing designs? A: Yes. Both parts share identical electrical specifications (68 µH inductance, 620 mA current rating, 350 mOhm DCR) and mechanical dimensions (5.80 mm x 5.80 mm x 3.00 mm height). No circuit modifications are required.

Q: Are there differences in package handling or storage? A: No. Both parts have identical Moisture Sensitivity Level (MSL) rating of 1 (Unlimited), indicating no special moisture control requirements during storage or handling.

Q: What determines substitution eligibility for these inductors? A: Substitution is based on matching inductance value, current rating, saturation current, DC resistance, core material, shielding type, frequency characteristics, operating temperature range, and physical package dimensions. All these parameters are identical between the two parts.

Q: Are both parts suitable for the same operating temperature range? A: Yes. Both PM528S-680-RC and SRR5028-680Y operate across -40°C to 125°C, with identical Q factor and self-resonant frequency specifications.