IDCS2512ER331M Equivalent & Substitute Parts

Part Overview

The IDCS2512ER331M is a 330 µH shielded surface mount inductor manufactured by Vishay Dale, rated for 200 mA with a maximum DC resistance of 1.4Ohm. This component is classified as Active product status and is ROHS3 compliant. Alternative equivalent parts may be required due to inventory availability, specific performance characteristics, or design optimization needs across different application requirements.

Substiute Parts

IDCS2512ER331M

Vishay DaleIn Stock: 1323IDCS2512ER331M Datasheet

Current PartRFQ

SRR6603-331ML

Bourns Inc.In Stock: 2796SRR6603-331ML Datasheet

DirectRFQ

SRR0604-331KL

Bourns Inc.In Stock: 1721SRR0604-331KL Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the IDCS2512ER331M are qualified based on the following electrical and mechanical parameters:

Primary Matching Criteria:

• Inductance value: 330 µH
• Current rating: 200 mA minimum
• Shielding: Shielded configuration
• Core material: Ferrite
• Mounting type: Surface Mount
• RoHS compliance: ROHS3 Compliant

Allowable Variations:

• DC Resistance (DCR): Up to 2.1Ohm Max (within acceptable circuit performance tolerance)
• Tolerance: ±10% to ±20%
• Operating temperature range: Minimum -40°C ~ 125°C
• Physical dimensions: Nonstandard package with minor dimensional variations acceptable for PCB layout

The substitute parts SRR6603-331ML and SRR0604-331KL meet these criteria while offering alternative performance characteristics suited to different circuit requirements.

Parameter Comparison

Engineering Selection Recommendations

SRR6603-331ML (Bourns Inc.) is the closest electrical equivalent to the IDCS2512ER331M. Both components share identical inductance, current rating, and DC resistance specifications. The SRR6603-331ML offers an extended operating temperature range (-55°C ~ 125°C) and maintains ROHS3 compliance. Physical dimensions are nearly identical, making this substitute suitable for direct PCB layout compatibility in most applications.

SRR0604-331KL (Bourns Inc.) provides an alternative with tighter inductance tolerance (±10% versus ±20%) and higher saturation current (280mA). The increased DC resistance of 2.1Ohm Max represents a trade-off that may affect power dissipation in the circuit. This part features a larger footprint (0.256" x 0.256" x 0.189" height) and is suitable for applications where improved tolerance and saturation performance are prioritized over compact form factor. ROHS3 compliance is maintained.

Both substitute parts are Active product status with full inventory availability and REACH compliance.

Frequently Asked Questions (FAQ)

Q: Can SRR6603-331ML be used as a direct replacement for IDCS2512ER331M?

A: Yes. Both parts share identical electrical specifications: 330 µH inductance, 200 mA current rating, and 1.4Ohm Max DC resistance. Physical dimensions are nearly identical (6.60mm x 4.40mm versus 6.60mm x 4.45mm), and both are ROHS3 compliant shielded ferrite inductors. The SRR6603-331ML offers extended temperature range (-55°C ~ 125°C).

Q: What is the impact of using SRR0604-331KL with 2.1Ohm Max DCR instead of 1.4Ohm Max?

A: The increased DC resistance results in higher power dissipation at the same current level. For a 200 mA load, the SRR0604-331KL dissipates approximately 50% more power than the IDCS2512ER331M. Circuit thermal design and current limiting must account for this difference.

Q: Are there PCB layout considerations when substituting to SRR0604-331KL?

A: Yes. The SRR0604-331KL has a larger footprint (6.50mm x 6.50mm versus 6.60mm x 4.45mm) and greater height (4.80mm versus 2.92mm). PCB layout verification is required to confirm clearance and component placement compatibility.

Q: Do all three parts meet the same compliance standards?

A: Yes. IDCS2512ER331M, SRR6603-331ML, and SRR0604-331KL are all ROHS3 compliant, REACH unaffected, and classified under ECCN EAR99 with HTSUS code 8504.50.4000.

Q: What is the difference in inductance tolerance between these parts?

A: IDCS2512ER331M and SRR6603-331ML both specify ±20% tolerance. SRR0604-331KL offers tighter ±10% tolerance, providing better inductance accuracy for precision circuit applications.