IDCP3114ER331M Equivalent & Substitute Parts

Part Overview

The IDCP3114ER331M is a 330 µH unshielded drum core wirewound inductor manufactured by Vishay Dale, rated for 280 mA continuous current with a maximum DC resistance of 1.5Ohm. This surface mount component operates across the temperature range of -25°C to 105°C and is ROHS3 compliant. The part is currently active in production with substantial inventory availability. Substitute parts are identified to provide alternatives when the primary part is unavailable or when design requirements permit operation within expanded electrical parameters.

Substiute Parts

IDCP3114ER331M

Vishay DaleIn Stock: 1089IDCP3114ER331M Datasheet

Current PartRFQ

SDR0805-331KL

Bourns Inc.In Stock: 52250SDR0805-331KL Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the IDCP3114ER331M is permissible with the SDR0805-331KL based on the following alignment of critical electrical and mechanical parameters:

Matching Parameters:

• Inductance value: 330 µH (identical)
• Core material and type: Ferrite, unshielded drum core (identical)
• Mounting type: Surface mount (identical)
• Inductance test frequency: 1 kHz (identical)
• RoHS compliance: ROHS3 (identical)
• Moisture sensitivity level: 1 (Unlimited) (identical)

Allowable Variations:

• Current rating: SDR0805-331KL rated at 400 mA exceeds the 280 mA requirement of IDCP3114ER331M, providing margin for circuit operation
• DC resistance: SDR0805-331KL maximum 1.26Ohm is lower than IDCP3114ER331M maximum 1.5Ohm, reducing power dissipation
• Inductance tolerance: SDR0805-331KL ±10% is tighter than IDCP3114ER331M ±20%, improving circuit predictability
• Operating temperature: SDR0805-331KL range of -40°C to 125°C encompasses the IDCP3114ER331M range of -25°C to 105°C

Parameter Comparison

Engineering Selection Recommendations

Both the IDCP3114ER331M and SDR0805-331KL are active production components with ROHS3 compliance and REACH unaffected status, meeting current regulatory requirements. The SDR0805-331KL provides enhanced electrical performance through higher current rating, lower DC resistance, and tighter inductance tolerance. Physical dimensions differ slightly, with the substitute part measuring 0.307" x 0.307" versus 0.307" x 0.276" in length and width, and 0.209" versus 0.157" in seated height. PCB layout and thermal management considerations must account for these dimensional variations. Selection between these parts should be based on circuit current requirements, available PCB space, and thermal dissipation constraints.

Frequently Asked Questions (FAQ)

Q: Can the SDR0805-331KL directly replace the IDCP3114ER331M in all applications?

A: Direct replacement is permissible when circuit design accommodates the dimensional differences. The substitute part is physically larger in width and height. Verify PCB layout clearances and thermal environment compatibility before implementation.

Q: What are the key electrical differences between these parts?

A: The SDR0805-331KL offers superior electrical characteristics: 400 mA current rating versus 280 mA, lower DC resistance of 1.26Ohm maximum versus 1.5Ohm maximum, and tighter inductance tolerance of ±10% versus ±20%. These differences reduce power dissipation and improve circuit predictability.

Q: Are both parts suitable for the same temperature operating range?

A: The SDR0805-331KL operating range of -40°C to 125°C fully encompasses the IDCP3114ER331M range of -25°C to 105°C. Either part is suitable for applications within the IDCP3114ER331M temperature specification.

Q: Do both parts meet the same compliance standards?

A: Yes. Both parts are ROHS3 compliant, REACH unaffected, and carry MSL rating of 1 (Unlimited), meeting identical regulatory and environmental requirements.

Q: What is the primary consideration for substitution?

A: Physical dimensions are the primary consideration. The SDR0805-331KL is larger in footprint and height. Confirm available PCB space and component clearances before selecting this substitute.