IDC5020ER331M Equivalent & Substitute Parts

Part Overview

The IDC5020ER331M is a 330 µH unshielded drum core wirewound inductor manufactured by Vishay Dale, rated for 600 mA continuous current with a maximum DC resistance of 1.02Ohm. This surface mount component operates across the temperature range of -40°C to 125°C and is ROHS3 compliant. The part is currently active in production with 1022 units in stock. Substitute parts are identified when equivalent electrical performance and mechanical compatibility can be maintained within the specified parameter tolerances for this inductor category.

Substiute Parts

IDC5020ER331M

Vishay DaleIn Stock: 1078IDC5020ER331M Datasheet

Current PartRFQ

P0752.334NLT

Pulse ElectronicsIn Stock: 6340P0752.334NLT Datasheet

DirectRFQ

SDR1005-331KL

Bourns Inc.In Stock: 1498SDR1005-331KL Datasheet

DirectRFQ

BPSL00130952331M00

Pulse ElectronicsIn Stock: 3381BPSL00130952331M00 Datasheet

MFR RecommendedRFQ

SRR1005-331K

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

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the IDC5020ER331M are grouped based on strict electrical and mechanical compatibility criteria. The primary substitution parameters are: inductance value (330 µH), current rating capability, DC resistance characteristics, shielding configuration, core material, package dimensions, and operating temperature range.

Group 1 - Full Electrical & Mechanical Equivalents: Parts P0752.334NLT and BPSL00130952331M00 maintain identical inductance (330 µH), current rating (600 mA), DC resistance (1.02Ohm Max), unshielded configuration, and package dimensions (0.510" L x 0.370" W). These parts are direct substitutes with no performance trade-offs.

Group 2 - Reduced Current Rating Substitute: Part SDR1005-331KL provides 330 µH inductance with ferrite drum core construction but operates at 550 mA continuous current (50 mA reduction) and 1.15Ohm Max DC resistance (0.13Ohm increase). Physical dimensions differ slightly (0.500" L x 0.394" W, height 0.197"). This part is suitable only when circuit current requirements do not exceed 550 mA.

Group 3 - Shielded Configuration with Reduced Current: Part SRR1005-331K provides 330 µH inductance with shielded drum core construction, but is rated for only 350 mA continuous current and 1.2Ohm Max DC resistance. This part is suitable only for applications requiring shielding and operating at 350 mA or below.

Parameter Comparison

Engineering Selection Recommendations

P0752.334NLT (Pulse Electronics) and BPSL00130952331M00 (Pulse Electronics) are direct electrical and mechanical equivalents to the IDC5020ER331M. Both parts maintain 600 mA current rating, 1.02Ohm Max DC resistance, 330 µH inductance at ±20% tolerance, and identical package footprint. All three parts are ROHS3 compliant with MSL 1 rating. P0752.334NLT offers extended operating temperature to 130°C. Selection between these three parts depends on supplier availability and lead time requirements.

SDR1005-331KL (Bourns Inc.) is suitable as a substitute only when circuit design permits operation at 550 mA maximum continuous current. The 0.13Ohm increase in DC resistance and tighter ±10% inductance tolerance may benefit certain applications. Slight dimensional variations require PCB layout verification.

SRR1005-331K (Bourns Inc.) is a shielded alternative suitable only for applications requiring electromagnetic shielding and operating at 350 mA or below. The reduced current rating and increased DC resistance make this part unsuitable for circuits designed for the full 600 mA capability of the IDC5020ER331M.

All substitute parts maintain ROHS3 compliance and MSL 1 moisture sensitivity rating, ensuring compatibility with standard manufacturing and storage requirements.

Frequently Asked Questions (FAQ)

Q: Can P0752.334NLT replace IDC5020ER331M in all applications? A: Yes. P0752.334NLT maintains identical electrical specifications (330 µH, 600 mA, 1.02Ohm Max DCR) and package dimensions. The 0.010" height difference (5.46mm vs 5.21mm) requires verification against PCB clearance constraints.

Q: What is the key difference between SDR1005-331KL and the main part? A: SDR1005-331KL is rated for 550 mA continuous current versus 600 mA for IDC5020ER331M. DC resistance increases to 1.15Ohm Max. Use this part only when circuit current does not exceed 550 mA.

Q: When should SRR1005-331K be selected? A: SRR1005-331K provides shielded construction for applications requiring electromagnetic isolation. However, the 350 mA current rating limits use to circuits operating well below the 600 mA specification of IDC5020ER331M.

Q: Are all substitute parts ROHS3 compliant? A: Yes. All listed substitute parts are ROHS3 compliant with MSL 1 moisture sensitivity rating, matching the compliance profile of IDC5020ER331M.

Q: Do substitute parts require PCB layout changes? A: P0752.334NLT and BPSL00130952331M00 use identical footprints and require no layout changes. SDR1005-331KL and SRR1005-331K have slightly different dimensions (0.500" x 0.394" vs 0.510" x 0.370") and require layout verification.

Q: What is the inductance tolerance difference between parts? A: IDC5020ER331M, P0752.334NLT, and BPSL00130952331M00 specify ±20% tolerance. SDR1005-331KL and SRR1005-331K specify tighter ±10% tolerance, which may improve circuit performance in applications sensitive to inductance variation.