IDCP3020ER331M Equivalent & Substitute Parts

Part Overview

The IDCP3020ER331M is a 330 µH unshielded drum core wirewound inductor manufactured by Vishay Dale, rated for 400 mA with a maximum DC resistance of 1.26 Ohm. 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 alternative sourcing options while maintaining electrical and mechanical compatibility within specified tolerance parameters.

Substiute Parts

IDCP3020ER331M

Vishay DaleIn Stock: 888IDCP3020ER331M Datasheet

Current PartRFQ

SDR0805-331KL

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

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

The SDR0805-331KL by Bourns Inc. qualifies as a direct substitute based on the following alignment of critical electrical and mechanical parameters:

Inductance value matches at 330 µH with tighter tolerance (±10% versus ±20%). Current rating is identical at 400 mA. DC resistance maximum is equivalent at 1.26 Ohm. Both components feature ferrite drum core construction with unshielded design and surface mount configuration. Physical dimensions are comparable (IDCP3020ER331M: 7.80mm L × 7.00mm W × 5.50mm H; SDR0805-331KL: 7.80mm L × 7.80mm W × 5.30mm H). Both parts maintain ROHS3 compliance and unlimited moisture sensitivity level (MSL 1). The substitute operates across an extended temperature range (-40°C to 125°C) and provides additional electrical characterization data including saturation current and self-resonant frequency.

Parameter Comparison

Engineering Selection Recommendations

Both the IDCP3020ER331M and SDR0805-331KL are active production components with ROHS3 compliance and REACH unaffected status. The SDR0805-331KL offers tighter inductance tolerance (±10% versus ±20%), which may provide improved circuit performance in applications requiring closer value matching. The Bourns substitute operates across a wider temperature range (-40°C to 125°C compared to -25°C to 105°C), accommodating extended environmental conditions. Physical dimensions are nearly identical with minimal height variation (5.30 mm versus 5.50 mm), ensuring PCB layout compatibility. Selection between these parts should be based on specific application requirements regarding tolerance specifications and operating temperature extremes.

Frequently Asked Questions (FAQ)

Q: Can SDR0805-331KL replace IDCP3020ER331M in existing designs?

A: Yes. Both components share identical inductance (330 µH), current rating (400 mA), and DC resistance (1.26 Ohm max). Surface mount packaging and ferrite drum core construction are equivalent. Physical dimensions are comparable, with width difference of 0.80 mm and height difference of 0.20 mm, which typically does not impact PCB layout.

Q: What is the significance of the tolerance difference?

A: The IDCP3020ER331M carries ±20% tolerance while the SDR0805-331KL carries ±10% tolerance. Tighter tolerance in the substitute part may improve circuit performance in applications sensitive to inductance variation, though both parts meet the same nominal 330 µH specification.

Q: Are there temperature range considerations for substitution?

A: The SDR0805-331KL operates from -40°C to 125°C versus the IDCP3020ER331M range of -25°C to 105°C. The substitute provides extended low-temperature capability and higher maximum operating temperature, suitable for applications requiring broader thermal performance.

Q: Do both parts meet the same compliance standards?

A: Yes. Both components are ROHS3 compliant, REACH unaffected, and carry MSL 1 (unlimited moisture sensitivity level) ratings, ensuring equivalent regulatory and environmental compliance.

Q: Are there any mechanical constraints when substituting?

A: Dimensions are nearly identical. The substitute is 0.80 mm wider (7.80 mm versus 7.00 mm) and 0.20 mm shorter in height (5.30 mm versus 5.50 mm). These minor differences typically do not affect standard PCB designs but should be confirmed against specific layout constraints.