1008HS-153EKFS Equivalent & Substitute Parts

Part Overview

The 1008HS-153EKFS is a 15 µH unshielded drum core wirewound inductor manufactured by Delta Electronics/Components, rated for 200 mA continuous current with 2.7 Ohm DC resistance. This surface mount component is packaged in the 1008 (2520 Metric) form factor and operates across the temperature range of -40°C to 85°C. The part is classified as obsolete, necessitating identification of functionally equivalent alternatives from active product lines to maintain design continuity and ensure supply chain availability.

Key Parameters

Parameter	Value
Inductance	15 µH
Current Rating	200 mA
DC Resistance (DCR)	2.7 Ohm
Tolerance	±10%
Core Type	Ferrite, Unshielded Drum Core
Mounting Type	Surface Mount
Package / Case	1008 (2520 Metric)
Operating Temperature	-40°C ~ 85°C
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution of the 1008HS-153EKFS is determined by strict adherence to the following electrical and mechanical parameters:

Primary Matching Criteria:

Inductance value: 15 µH (exact match required)
Package / Case: 1008 (2520 Metric) (exact match required)
Core type: Ferrite, unshielded drum core (exact match required)
Mounting type: Surface mount (exact match required)

Secondary Compatibility Parameters:

Current rating: Must equal or exceed 200 mA
DC resistance: Must not exceed 2.7 Ohm significantly to maintain circuit performance
Operating temperature range: Must cover minimum -40°C to 85°C
Tolerance: ±10% or better acceptable
RoHS3 compliance: Required for regulatory alignment

The substitute parts listed below meet the primary matching criteria. Variations in current rating, DC resistance, and operating temperature range are noted in the parameter comparison table to enable informed selection based on specific application requirements.

Parameter Comparison

Parameter	1008HS-153EKFS (Main)	744762415A	NLCV25T-150K-EF	NLV25T-150J-EF	NLV25T-150J-EFD
Manufacturer	Delta Electronics	Würth Elektronik	TDK Corporation	TDK Corporation	TDK Corporation
Inductance	15 µH	15 µH	15 µH	15 µH	15 µH
Current Rating (Amps)	200 mA	130 mA	175 mA	140 mA	140 mA
DC Resistance (DCR)	2.7 Ohm	4 Ohm Max	2.86 Ohm Max	4.4 Ohm Max	4.4 Ohm Max
Tolerance	±10%	±5%	±10%	±5%	±5%
Q @ Freq (2.52 MHz)	20	15	30	25	25
Frequency - Self Resonant	24 MHz	26 MHz	21 MHz	26 MHz	26 MHz
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 105°C	-40°C ~ 105°C	-40°C ~ 105°C
Package / Case	1008 (2520 Metric)	1008 (2520 Metric)	1008 (2520 Metric)	1008 (2520 Metric)	1008 (2520 Metric)
Product Status	Obsolete	Active	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Ratings	-	-	-	-	AEC-Q200

Engineering Selection Recommendations

NLCV25T-150K-EF (TDK Corporation) is the primary substitute for applications requiring closest electrical performance match. This part maintains the 15 µH inductance, 1008 package format, and ferrite unshielded drum core construction. The DC resistance of 2.86 Ohm Max is nearest to the original 2.7 Ohm specification. Current rating of 175 mA is below the original 200 mA specification; applications operating at or near 200 mA continuous current require evaluation. Operating temperature range extends to 105°C, providing thermal margin beyond the original -40°C to 85°C specification. Product status is active with full ROHS3 compliance.

NLV25T-150J-EFD (TDK Corporation) is the recommended substitute for automotive and high-reliability applications. This part carries AEC-Q200 qualification, indicating suitability for automotive-grade performance requirements. Electrical specifications match NLV25T-150J-EF with 15 µH inductance, 140 mA current rating, and 4.4 Ohm Max DC resistance. Operating temperature range of -40°C to 105°C exceeds original requirements. Current rating of 140 mA is below the original 200 mA specification; applications must operate within this reduced current limit. Product status is active with ROHS3 compliance.

NLV25T-150J-EF (TDK Corporation) provides equivalent electrical performance to NLV25T-150J-EFD without automotive qualification. Specifications are identical except for AEC-Q200 rating absence and REACH Affected status. Selection between NLV25T-150J-EF and NLV25T-150J-EFD depends on automotive qualification requirements.

744762415A (Würth Elektronik) is suitable for applications where current requirements do not exceed 130 mA. This part offers improved tolerance of ±5% compared to the original ±10%. DC resistance of 4 Ohm Max exceeds the original specification. Operating temperature range matches the original -40°C to 85°C specification. Product status is active with ROHS3 compliance.

Frequently Asked Questions (FAQ)

Q: Can the 744762415A substitute for the 1008HS-153EKFS in all applications?

A: The 744762415A is suitable only for applications where continuous current does not exceed 130 mA. The original part is rated for 200 mA. If your circuit requires the full 200 mA current capacity, the 744762415A is not appropriate. The NLCV25T-150K-EF supports 175 mA, providing higher current capacity than the Würth part but still below the original 200 mA rating.

Q: What is the impact of higher DC resistance in substitute parts?

A: The original 1008HS-153EKFS has 2.7 Ohm DC resistance. Substitute parts range from 2.86 Ohm (NLCV25T-150K-EF) to 4.4 Ohm (NLV25T-150J-EF and NLV25T-150J-EFD). Higher DC resistance increases power dissipation and heat generation at the same current level. For circuits sensitive to inductor losses or operating at maximum current ratings, the NLCV25T-150K-EF with 2.86 Ohm Max is the closest match.

Q: Are all substitute parts in the same physical package?

A: Yes. All substitute parts use the 1008 (2520 Metric) package format with surface mount construction. Physical dimensions vary slightly between manufacturers. The NLCV25T-150K-EF and NLV25T-150J series measure 0.098" L x 0.079" W with 0.075" Max height, while the 744762415A measures 0.102" L x 0.083" W with 0.075" Max height. These variations are within typical PCB layout tolerances for 1008 package components.

Q: Which substitute part is best for new designs?

A: For new designs without automotive requirements, the NLCV25T-150K-EF offers the best balance of electrical performance and current capacity. For automotive applications, the NLV25T-150J-EFD with AEC-Q200 qualification is the appropriate selection. Both parts are active products with extended operating temperature ranges to 105°C.

Q: What does ROHS3 compliance mean for these parts?

A: ROHS3 compliance indicates conformance to the Restriction of Hazardous Substances Directive, restricting lead, cadmium, mercury, and other hazardous materials. All listed substitute parts carry ROHS3 compliance, matching the original part's regulatory status.

Q: Can I use NLV25T-150J-EF instead of NLV25T-150J-EFD?

A: Electrically, both parts are identical with matching inductance, current rating, DC resistance, and operating temperature range. The primary difference is AEC-Q200 automotive qualification present in the EFD variant. If your application does not require automotive qualification, the NLV25T-150J-EF is functionally equivalent. REACH status differs between the two parts; verify REACH compliance requirements for your specific application.

Q: What is the significance of the Q factor listed in the parameter comparison?

A: The Q factor (quality factor) at 2.52 MHz indicates inductor efficiency at the test frequency. Higher Q values indicate lower losses. The NLCV25T-150K-EF has Q of 30, superior to the original part's Q of 20. This indicates better performance characteristics in RF and high-frequency applications. For DC or low-frequency applications, Q factor has minimal impact on circuit performance.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message