1008HC-153EJFS 15µH SMD Wirewound Inductor Equivalent & Substitute Parts

Part Overview

The 1008HC-153EJFS is a 15 µH unshielded drum core wirewound inductor manufactured by Delta Electronics/Components in 1008 (2520 Metric) surface mount package. This component is rated for 250 mA continuous current with 1.9Ω DC resistance and operates across -40°C to 85°C temperature range. The part is currently obsolete, necessitating identification of active equivalent alternatives that maintain functional compatibility for existing circuit designs.

Key Parameters

Parameter	Value	Unit
Inductance	15	µH
Inductance Tolerance	±5%	-
Current Rating	250	mA
DC Resistance (DCR)	1.9	Ω
Core Type	Ferrite Drum Core	-
Shielding	Unshielded	-
Package	1008 (2520 Metric)	-
Mounting Type	Surface Mount	-
Operating Temperature	-40°C to 85°C	-
Self Resonant Frequency	24	MHz
Q Factor @ 2.52 MHz	20	-
RoHS Status	ROHS3 Compliant	-
MSL Rating	1 (Unlimited)	-

Substitute Part Grouping Explanation

Substitution compatibility for the 1008HC-153EJFS is determined by the following critical parameters:

Primary Matching Criteria:

Inductance value: 15 µH ±5% tolerance
Package format: 1008 (2520 Metric) surface mount
Core material: Ferrite drum core, unshielded configuration
Mounting type: Surface mount technology

Secondary Compatibility Factors:

Current rating must equal or exceed 250 mA
DC resistance impact on circuit performance
Operating temperature range compatibility
Self resonant frequency and Q factor characteristics
RoHS and environmental compliance status

The three identified substitute parts maintain identical inductance values and package specifications. However, all substitute options feature reduced current ratings (130–140 mA) and increased DC resistance (4.0–4.4Ω) compared to the original 1008HC-153EJFS. These differences require circuit-level evaluation to determine functional equivalence in specific applications.

Parameter Comparison

Parameter	1008HC-153EJFS (Delta)	744762415A (Würth)	NLV25T-150J-EF (TDK)	NLV25T-150J-EFD (TDK)
Manufacturer	Delta Electronics	Würth Elektronik	TDK Corporation	TDK Corporation
Inductance	15 µH	15 µH	15 µH	15 µH
Tolerance	±5%	±5%	±5%	±5%
Current Rating	250 mA	130 mA	140 mA	140 mA
DC Resistance	1.9 Ω	4.0 Ω Max	4.4 Ω Max	4.4 Ω Max
Core Type	Ferrite Drum Core	Ferrite Drum Core	Ferrite Drum Core	Ferrite Drum Core
Shielding	Unshielded	Unshielded	Unshielded	Unshielded
Package	1008 (2520 Metric)	1008 (2520 Metric)	1008 (2520 Metric)	1008 (2520 Metric)
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Operating Temperature	-40°C to 85°C	-40°C to 85°C	-40°C to 105°C	-40°C to 105°C
Self Resonant Frequency	24 MHz	26 MHz	26 MHz	26 MHz
Q @ 2.52 MHz	20	15	25	25
Product Status	Obsolete	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Ratings	-	-	-	AEC-Q200

Engineering Selection Recommendations

744762415A (Würth Elektronik WE-RFI Series)

This substitute maintains identical inductance, tolerance, package, and temperature range specifications. The Würth part is currently in active production status. However, the current rating is reduced to 130 mA (52% of original specification) and DC resistance increases to 4.0Ω maximum (2.1× higher). Selection is appropriate only for applications where circuit current does not exceed 130 mA and where increased resistive losses are acceptable. ROHS3 compliance and unlimited MSL rating match the original part.

NLV25T-150J-EF (TDK Corporation NLV-EF Series)

This TDK substitute provides identical inductance and package specifications with extended operating temperature range (-40°C to 105°C). Current rating is 140 mA (56% of original) with 4.4Ω maximum DC resistance. The higher Q factor (25 @ 2.52 MHz) compared to the original (20 @ 2.52 MHz) indicates improved efficiency characteristics. ROHS3 compliance is maintained. REACH status is affected, requiring compliance verification for specific end-use applications.

NLV25T-150J-EFD (TDK Corporation NLV-EFD Series)

This variant is functionally identical to the NLV25T-150J-EF with the addition of AEC-Q200 automotive qualification rating. Current rating remains 140 mA with 4.4Ω maximum DC resistance. Extended temperature range (-40°C to 105°C) and higher Q factor (25 @ 2.52 MHz) are maintained. AEC-Q200 certification qualifies this part for automotive applications. REACH status is affected.

Selection Priority:

For applications requiring maximum current capacity within the 1008 package format, the 744762415A offers the highest current rating among substitutes at 130 mA. For applications requiring automotive qualification, the NLV25T-150J-EFD is the only option with AEC-Q200 certification. For general industrial applications with extended temperature requirements, either TDK option provides superior thermal performance.

Frequently Asked Questions (FAQ)

Q: Can the 1008HC-153EJFS be directly replaced with any of these substitutes?

A: Direct replacement depends on circuit current requirements. All substitutes maintain the 15 µH inductance and 1008 package format. However, current ratings are significantly reduced (130–140 mA versus 250 mA original). If circuit current exceeds 140 mA, none of these substitutes are suitable. If circuit current is below 130 mA, substitution is mechanically and electrically compatible.

Q: What is the impact of increased DC resistance on circuit performance?

A: The substitute parts feature 4.0–4.4Ω DC resistance compared to 1.9Ω in the original. This 2.1–2.3× increase results in higher resistive losses and heat generation. In power supply filtering applications, this increases power dissipation. In RF circuits, this reduces Q factor efficiency. Circuit simulation or testing is necessary to determine if increased losses are acceptable for specific applications.

Q: Are all substitutes compatible with the same PCB footprint?

A: All parts use the 1008 (2520 Metric) surface mount package with identical mounting type. Physical dimensions vary slightly: the original is 2.92mm × 2.79mm × 2.10mm maximum height, while substitutes range from 2.50–2.60mm length, 2.00–2.10mm width, and 1.90mm maximum height. These dimensional differences are within typical PCB design tolerances for surface mount assembly. Footprint compatibility is maintained.

Q: Which substitute offers the best high-temperature performance?

A: Both TDK options (NLV25T-150J-EF and NLV25T-150J-EFD) extend the operating temperature range to -40°C to 105°C, compared to -40°C to 85°C for the original and Würth substitute. The additional 20°C upper temperature rating provides margin for thermal management in high-ambient or high-power applications.

Q: What is the difference between NLV25T-150J-EF and NLV25T-150J-EFD?

A: Both parts are electrically and mechanically identical with matching inductance, current rating, DC resistance, and temperature range. The primary difference is AEC-Q200 automotive qualification certification on the EFD variant. Selection between these depends on whether automotive qualification is required for the end application.

Q: Are these substitutes available in the same packaging format?

A: All substitutes are supplied in Tape & Reel (TR) format, while the original 1008HC-153EJFS packaging format is not specified in available data. Tape & Reel packaging is standard for high-volume surface mount assembly and is compatible with automated pick-and-place equipment. Verify packaging requirements for your specific procurement and assembly process.

Q: What compliance certifications should I verify before selection?

A: All parts maintain ROHS3 compliance and unlimited MSL (Moisture Sensitivity Level 1) rating. The NLV25T-150J-EFD includes AEC-Q200 automotive qualification. The TDK parts (both EF and EFD variants) have REACH-affected status, requiring compliance verification if the end product is subject to REACH regulations. The Würth part is REACH-unaffected.

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