IDCS5020ER331M Equivalent & Substitute Parts

Part Overview

The IDCS5020ER331M is a 330 µH shielded drum core wirewound inductor manufactured by Vishay Dale, rated for 350 mA continuous current with a maximum DC resistance of 1.2Ohm. This surface mount component operates across the industrial temperature range of -40°C to 125°C and is ROHS3 compliant. The part is currently active in production with 748 units in stock. Substitute parts are identified when equivalent electrical and mechanical specifications can be met by alternative manufacturers while maintaining functional compatibility in the target application.

Substiute Parts

IDCS5020ER331M

Vishay DaleIn Stock: 825IDCS5020ER331M Datasheet

Current PartRFQ

SRR1005-331K

Bourns Inc.In Stock: 1860SRR1005-331K Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

The SRR1005-331K by Bourns Inc. qualifies as a direct substitute based on the following critical parameters:

• Inductance value: 330 µH (identical)
• Current rating: 350 mA (identical)
• DC resistance: 1.2Ohm Max (identical)
• Core material: Ferrite (identical)
• Shielding: Shielded (identical)
• Mounting type: Surface Mount (identical)
• Operating temperature range: -40°C ~ 125°C (identical)
• RoHS compliance: ROHS3 Compliant (identical)
• Moisture sensitivity: MSL 1 (identical)
• Packaging: Tape & Reel (identical)

Dimensional variations and enhanced saturation current (480 mA vs 400 mA) do not preclude substitution when the application requirements are met by the specified electrical parameters.

Parameter Comparison

Engineering Selection Recommendations

Both the IDCS5020ER331M and SRR1005-331K meet the core electrical requirements for 330 µH shielded drum core wirewound inductors at 350 mA. Both components are active products with ROHS3 compliance and MSL 1 rating, suitable for industrial applications across -40°C to 125°C. The SRR1005-331K offers tighter inductance tolerance (±10% vs ±20%) and higher saturation current (480 mA vs 400 mA), providing additional design margin. Selection between these parts depends on PCB layout constraints, as dimensional differences of approximately 0.010" in length and 0.024" in width may affect board routing and component placement.

Frequently Asked Questions (FAQ)

Q: Can the SRR1005-331K replace the IDCS5020ER331M in existing designs?

A: Yes, when the application operates within the specified current rating of 350 mA and does not require the exact footprint of the original part. Verify PCB layout compatibility due to dimensional variations.

Q: What is the significance of the inductance tolerance difference?

A: The SRR1005-331K has ±10% tolerance compared to ±20% for the IDCS5020ER331M. This tighter tolerance may be beneficial in circuits sensitive to inductance variation, but both parts meet the 330 µH specification.

Q: Are there thermal or reliability differences between these parts?

A: Both components operate across identical temperature ranges (-40°C to 125°C) and carry identical moisture sensitivity ratings (MSL 1). No thermal or reliability differences are indicated by the provided specifications.

Q: Does the higher saturation current of the SRR1005-331K affect compatibility?

A: No. The higher saturation current (480 mA vs 400 mA) provides additional design margin and does not create incompatibility. Both parts are rated for 350 mA continuous operation.

Q: Are both parts available in the same packaging format?

A: Yes, both the IDCS5020ER331M and SRR1005-331K are supplied in Tape & Reel (TR) packaging suitable for automated assembly.