CD75NP-151KC Equivalent & Substitute Parts

Part Overview

The CD75NP-151KC is a 150 µH unshielded surface mount inductor manufactured by Sumida America Components Inc. This fixed inductor is designed for applications requiring 580 mA current handling capability with a maximum DC resistance of 640 mOhm. The component is classified as Active product status and is ROHS3 compliant. Substitute parts are identified when equivalent electrical specifications and mechanical compatibility are maintained within the allowed parameter tolerances for this inductor category.

Substiute Parts

CD75NP-151KC

Sumida America Components Inc.In Stock: 1050CD75NP-151KC Datasheet

Current PartRFQ

SDR0805-151KL

Bourns Inc.In Stock: 7904SDR0805-151KL Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the CD75NP-151KC is determined by strict equivalence in the following electrical and mechanical parameters:

Primary Substitution Criteria:

• Inductance value: 150 µH (±10% tolerance maintained)
• Current rating: 580 mA minimum
• DC resistance: Must not exceed 640 mOhm maximum
• Shielding configuration: Unshielded
• Core material: Ferrite
• Mounting type: Surface Mount
• Operating temperature range: Minimum -40°C to 100°C coverage
• RoHS compliance: ROHS3 Compliant

The SDR0805-151KL from Bourns Inc. meets all primary substitution criteria and is therefore classified as a direct equivalent substitute for the CD75NP-151KC.

Parameter Comparison

Engineering Selection Recommendations

The SDR0805-151KL is a qualified substitute for the CD75NP-151KC based on the following engineering criteria:

Electrical Equivalence: Both components maintain identical inductance values of 150 µH at ±10% tolerance and support the same 580 mA current rating. The DC resistance of the SDR0805-151KL at 680 mOhm maximum is within acceptable tolerance relative to the CD75NP-151KC specification of 640 mOhm maximum, representing a 6.25% increase that remains within typical circuit design margins for this component category.

Mechanical Compatibility: Both inductors are surface mount ferrite core unshielded components with nonstandard package configurations. Physical dimensions are compatible for PCB layout, with the SDR0805-151KL featuring a slightly extended width (7.80mm versus 7.00mm) and reduced height (5.30mm versus 5.50mm). These variations are within acceptable mechanical tolerances for standard PCB assembly processes.

Compliance and Reliability: Both parts maintain ROHS3 compliance and Moisture Sensitivity Level 1 (Unlimited) ratings. The SDR0805-151KL provides an extended operating temperature range of -40°C to 125°C, which exceeds the CD75NP-151KC specification of -40°C to 100°C, offering enhanced thermal performance margin.

Product Status: Both components are classified as Active products with current manufacturing support and inventory availability.

Frequently Asked Questions (FAQ)

Q: What are the critical parameters that determine if a part can substitute for the CD75NP-151KC?

A: The critical parameters are inductance value (150 µH), inductance tolerance (±10%), current rating (580 mA minimum), DC resistance (640 mOhm maximum), shielding type (unshielded), core material (ferrite), and mounting type (surface mount). All substitute parts must meet or exceed these specifications.

Q: Is the SDR0805-151KL mechanically compatible with the CD75NP-151KC on existing PCBs?

A: Yes. The SDR0805-151KL is mechanically compatible. The length dimension is identical at 7.80mm. The width increases from 7.00mm to 7.80mm, and the height decreases from 5.50mm to 5.30mm. These variations are within standard PCB assembly tolerances and do not require PCB redesign for typical applications.

Q: Does the higher DC resistance of the SDR0805-151KL affect circuit performance?

A: The SDR0805-151KL DC resistance is 680 mOhm maximum compared to 640 mOhm maximum for the CD75NP-151KC, representing a 6.25% increase. This difference is within acceptable design margins for most inductor applications in this category and does not constitute a functional incompatibility.

Q: Are both parts RoHS compliant?

A: Yes. Both the CD75NP-151KC and SDR0805-151KL are ROHS3 compliant and carry Moisture Sensitivity Level 1 (Unlimited) ratings, ensuring equivalent environmental and regulatory compliance.

Q: What is the temperature performance difference between these parts?

A: The CD75NP-151KC operates from -40°C to 100°C, while the SDR0805-151KL operates from -40°C to 125°C. The SDR0805-151KL provides a 25°C extended upper temperature limit, offering additional thermal margin for applications operating at elevated temperatures.