1008HC-153EKFS Equivalent & Substitute Parts Reference

Part Overview

The 1008HC-153EKFS is a 15 µH unshielded drum core wirewound inductor manufactured by Delta Electronics/Components, rated for 250 mA continuous current with 1.9Ohm DC resistance. This surface mount component is designed for applications requiring fixed inductance in compact 1008 (2520 Metric) package form factor.

The 1008HC-153EKFS is classified as obsolete product status. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements for systems utilizing this inductor specification.

Substiute Parts

1008HC-153EKFS

Delta Electronics/ComponentsIn Stock: 11131008HC-153EKFS Datasheet

Current PartRFQ

NLCV25T-150K-EF

TDK CorporationIn Stock: 2842NLCV25T-150K-EF Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the 1008HC-153EKFS are identified based on the following critical electrical and mechanical parameters:

Inductance Value: 15 µH with ±10% tolerance is the primary functional requirement. Substitute parts must match this inductance specification.

Package / Case: 1008 (2520 Metric) surface mount package is mandatory for mechanical compatibility with existing PCB layouts and assembly processes.

Core Type and Shielding: Ferrite core, unshielded construction must be maintained to preserve electromagnetic characteristics and circuit behavior.

Operating Temperature Range: Substitute parts must support the application's thermal environment. The main part operates -40°C ~ 85°C; substitutes with extended ranges remain compatible.

Compliance Standards: RoHS3 compliance and REACH unaffected status ensure regulatory alignment across substitute selections.

Current Rating and DC Resistance: While these parameters may vary within acceptable design margins, they influence thermal performance and power dissipation characteristics. Substitutes with lower current ratings or higher DC resistance require design verification for specific applications.

Parameter Comparison

Engineering Selection Recommendations

NLCV25T-150K-EF (TDK Corporation) is identified as a functional substitute for the obsolete 1008HC-153EKFS based on the following engineering criteria:

Electrical Compatibility: Both components provide 15 µH inductance with ±10% tolerance at the 2.52 MHz test frequency, meeting the core functional requirement. The inductance value and tolerance are identical.

Mechanical Compatibility: Both components utilize the 1008 (2520 Metric) surface mount package, ensuring direct PCB footprint compatibility without layout modifications.

Material and Construction: Both employ ferrite core, unshielded drum core wirewound construction, preserving electromagnetic performance characteristics.

Regulatory Compliance: Both components are ROHS3 compliant and REACH unaffected, satisfying current environmental and regulatory requirements.

Product Availability: The NLCV25T-150K-EF maintains active product status with established supply chain availability (2759 Pcs in stock), addressing the obsolescence of the original component.

Design Considerations: The substitute exhibits a lower current rating (175 mA versus 250 mA) and higher DC resistance (2.86 Ohm Max versus 1.9 Ohm). Applications operating at or near the original 250 mA specification require verification that the substitute's 175 mA rating remains adequate. The higher DC resistance increases power dissipation; thermal analysis is necessary for power-sensitive applications. The substitute's extended operating temperature range (-40°C ~ 105°C) provides additional thermal margin compared to the original specification (-40°C ~ 85°C).

Frequently Asked Questions (FAQ)

Q: Can the NLCV25T-150K-EF directly replace the 1008HC-153EKFS without PCB modifications?

A: Yes, both components share the identical 1008 (2520 Metric) surface mount package and footprint. Direct PCB substitution is mechanically feasible without layout changes.

Q: What is the significance of the current rating difference (250 mA vs. 175 mA)?

A: The substitute part is rated for 175 mA continuous current, compared to the original 250 mA rating. Applications operating below 175 mA are unaffected. Circuits designed to operate at 175 mA to 250 mA require verification that the substitute's lower rating does not cause saturation or thermal stress. Current derating analysis is necessary for applications near the original specification limit.

Q: How does the higher DC resistance (2.86 Ohm vs. 1.9 Ohm) affect circuit performance?

A: The substitute exhibits 1.96 Ohm higher DC resistance. This increases resistive power dissipation (P = I²R) in the inductor. For a 200 mA circuit, the original dissipates 76 mW while the substitute dissipates 114 mW. Applications with strict thermal budgets or high-frequency switching require thermal analysis to confirm the substitute remains within acceptable operating limits.

Q: Are there any frequency-dependent differences between these components?

A: Both components are tested at 2.52 MHz with matching inductance values. The substitute exhibits a higher quality factor (Q = 30 versus Q = 20), indicating lower losses at the test frequency. The self-resonant frequency differs slightly (21 MHz versus 24 MHz). For applications operating significantly above 10 MHz, verify that the substitute's lower self-resonant frequency does not introduce unintended resonance effects.

Q: What is the advantage of the substitute's extended temperature range?

A: The NLCV25T-150K-EF operates to 105°C maximum, compared to 85°C for the original component. This provides 20°C additional thermal margin, beneficial for applications in elevated ambient environments or with high internal power dissipation. The extended range does not affect operation at lower temperatures.

Q: Are both components equally suitable for all applications?

A: No. The substitute's lower current rating and higher DC resistance make it unsuitable for high-current or power-critical applications. Applications operating near the original 250 mA specification or with strict power dissipation limits require design verification before substitution. The substitute is suitable for low-current signal conditioning, filtering, and impedance matching applications within its 175 mA rating.

Q: What compliance certifications apply to both components?

A: Both the 1008HC-153EKFS and NLCV25T-150K-EF are ROHS3 compliant and REACH unaffected. Both carry Moisture Sensitivity Level 1 (unlimited shelf life). Both are classified under ECCN EAR99 for export control purposes. Regulatory requirements are satisfied by either component.