IDCS5020ER151M Equivalent & Substitute Parts

Part Overview

The IDCS5020ER151M is a 150 µH shielded drum core wirewound inductor manufactured by Vishay Dale, rated for 550 mA continuous current with a maximum DC resistance of 520 mOhm. 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 inventory availability. 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

IDCS5020ER151M

Vishay DaleIn Stock: 865IDCS5020ER151M Datasheet

Current PartRFQ

SRR1005-151K

Bourns Inc.In Stock: 1824SRR1005-151K Datasheet

DirectRFQ

CLF7045T-151M-D

TDK CorporationIn Stock: 1070CLF7045T-151M-D Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the IDCS5020ER151M are qualified based on the following electrical and mechanical criteria:

Primary Substitution Criteria:

• Inductance value: 150 µH (tolerance range ±10% to ±20% acceptable)
• Current rating: minimum 550 mA continuous
• DC resistance: maximum 520 mOhm
• Core type: Ferrite, shielded drum core wirewound
• Mounting: Surface mount, nonstandard package
• Operating temperature: minimum -40°C to 125°C range
• Compliance: ROHS3 compliant

Identified Substitutes:

1. SRR1005-151K (Bourns Inc.) – Direct electrical equivalent with tighter inductance tolerance (±10%) and improved saturation current (660 mA). Meets all primary criteria with enhanced performance margin.

2. CLF7045T-151M-D (TDK Corporation) – Functional equivalent with higher current rating (610 mA) and extended operating temperature range (-40°C to 150°C). Includes AEC-Q200 automotive qualification. Slightly higher DC resistance (576 mOhm) remains within acceptable limits for most applications.

Parameter Comparison

Engineering Selection Recommendations

IDCS5020ER151M (Primary Part): Active product status with established supply chain. ROHS3 compliant. Suitable for standard industrial applications within the specified temperature range.

SRR1005-151K (Bourns): Active product with superior inductance tolerance (±10%) providing tighter performance specification. Higher saturation current (660 mA) offers increased design margin. Tape & Reel packaging matches original. ROHS3 compliant. Recommended for applications requiring tighter inductance control.

CLF7045T-151M-D (TDK): Active product with AEC-Q200 automotive qualification and extended temperature rating to 150°C. Higher current rating (610 mA) and saturation current (670 mA) provide additional performance headroom. ROHS3 compliant. Suitable for automotive and high-temperature applications. Cut Tape packaging differs from original Tape & Reel format. DC resistance specification (576 mOhm) is 11% higher than primary part but remains acceptable for most circuit designs.

Frequently Asked Questions (FAQ)

Q: Can SRR1005-151K be used as a direct replacement for IDCS5020ER151M?

A: Yes. Both parts share identical inductance (150 µH), current rating (550 mA), and DC resistance (520 mOhm maximum). The SRR1005-151K offers tighter inductance tolerance (±10% vs ±20%) and higher saturation current (660 mA vs 600 mA), making it functionally equivalent with improved performance characteristics.

Q: What are the physical dimension differences between these parts?

A: IDCS5020ER151M measures 0.510" L × 0.370" W × 0.200" H (12.95mm × 9.40mm × 5.08mm). SRR1005-151K measures 0.500" L × 0.394" W × 0.205" H (12.70mm × 10.00mm × 5.20mm). CLF7045T-151M-D is significantly smaller at 0.283" L × 0.272" W × 0.189" H (7.20mm × 6.90mm × 4.80mm). Verify PCB layout compatibility before substitution.

Q: Is CLF7045T-151M-D suitable for non-automotive applications?

A: Yes. AEC-Q200 qualification indicates automotive-grade reliability and is not restrictive for general industrial use. The extended temperature range (-40°C to 150°C) and higher current ratings provide additional performance margin for standard applications.

Q: What is the impact of the higher DC resistance in CLF7045T-151M-D?

A: CLF7045T-151M-D specifies 576 mOhm maximum DC resistance compared to 520 mOhm for the primary part. This 11% increase results in proportionally higher resistive losses. Evaluate circuit power dissipation requirements to determine acceptability for your specific application.

Q: Does packaging format affect substitution compatibility?

A: IDCS5020ER151M and SRR1005-151K are supplied in Tape & Reel format suitable for automated assembly. CLF7045T-151M-D is supplied in Cut Tape format, requiring manual handling or reel conversion. Confirm assembly process compatibility with your manufacturing requirements.

Q: Are all three parts ROHS3 compliant?

A: Yes. IDCS5020ER151M, SRR1005-151K, and CLF7045T-151M-D are all ROHS3 compliant with MSL rating of 1 (Unlimited moisture sensitivity level).