NLCV25T-1R0M-PFD Equivalent & Substitute Parts

Part Overview

The NLCV25T-1R0M-PFD is a 1 µH unshielded drum core wirewound inductor manufactured by TDK Corporation, rated for 475 mA continuous current with a maximum DC resistance of 442 mOhm. This surface mount component is housed in a 1008 (2520 Metric) package and is designed for applications requiring low inductance values with moderate current handling capability.

The NLCV25T-1R0M-PFD carries a "Not For New Designs" product status, indicating that TDK has discontinued active development and support for this series. This status necessitates identification of equivalent substitute components to ensure design continuity, supply chain reliability, and access to active product support for new or ongoing applications.

Key Parameters

Parameter	Value
Inductance	1 µH
Current Rating	475 mA
DC Resistance (Max)	442 mOhm
Core Type	Drum Core, Wirewound, Ferrite
Shielding	Unshielded
Package / Case	1008 (2520 Metric)
Mounting Type	Surface Mount
Operating Temperature Range	-40°C ~ 105°C
Q @ Frequency	20 @ 7.96 MHz
Self Resonant Frequency	200 MHz
Tolerance	±20%
RoHS Status	ROHS3 Compliant
AEC-Q200 Rating	Yes

Substitute Part Grouping Explanation

Substitution of the NLCV25T-1R0M-PFD is determined by strict equivalence across the following critical parameters:

Inductance Value: 1 µH (exact match required)
Current Rating: 475 mA (minimum threshold)
DC Resistance: 442 mOhm maximum (electrical performance constraint)
Core Type & Material: Drum core, wirewound, ferrite construction
Shielding Configuration: Unshielded
Package / Case: 1008 (2520 Metric) surface mount
Operating Temperature Range: -40°C ~ 105°C
Frequency Characteristics: Q @ 7.96 MHz and self-resonant frequency alignment
Compliance Standards: AEC-Q200 rating, ROHS3 compliance

The NLCV25T-1R0M-EFD qualifies as a direct substitute based on identical electrical specifications, mechanical dimensions, and compliance certifications. The primary distinction is the series designation (EFD vs. PFD) and active product status.

Parameter Comparison

Parameter	NLCV25T-1R0M-PFD (Main Part)	NLCV25T-1R0M-EFD (Substitute)
Manufacturer	TDK Corporation	TDK Corporation
Inductance	1 µH	1 µH
Tolerance	±20%	±20%
Current Rating (Amps)	475 mA	475 mA
DC Resistance (Max)	442 mOhm	442 mOhm
Q @ Frequency	20 @ 7.96 MHz	20 @ 7.96 MHz
Self Resonant Frequency	200 MHz	200 MHz
Core Type	Drum Core, Wirewound, Ferrite	Drum Core, Wirewound, Ferrite
Shielding	Unshielded	Unshielded
Package / Case	1008 (2520 Metric)	1008 (2520 Metric)
Size / Dimension	0.098" L x 0.079" W (2.50mm x 2.00mm)	0.098" L x 0.079" W (2.50mm x 2.00mm)
Height - Seated (Max)	0.075" (1.90mm)	0.075" (1.90mm)
Operating Temperature	-40°C ~ 105°C	-40°C ~ 105°C
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
AEC-Q200 Rating	Yes	Yes
Product Status	Not For New Designs	Active

Engineering Selection Recommendations

The NLCV25T-1R0M-EFD is the direct equivalent substitute for the NLCV25T-1R0M-PFD. Both components share identical electrical performance specifications, mechanical dimensions, and compliance certifications including AEC-Q200 automotive qualification and ROHS3 environmental compliance.

The primary advantage of selecting the NLCV25T-1R0M-EFD is its active product status. This designation ensures ongoing manufacturer support, continued availability, and compliance with current supply chain requirements. The NLCV25T-1R0M-PFD, classified as "Not For New Designs," indicates that TDK has transitioned this component to end-of-life status, making the EFD variant the recommended choice for new designs and long-term production continuity.

Both components are qualified to AEC-Q200 standards, suitable for automotive and industrial applications requiring reliability under extended temperature ranges from -40°C to 105°C. The ROHS3 compliance status confirms environmental and regulatory alignment for global markets.

Frequently Asked Questions (FAQ)

Q: Can the NLCV25T-1R0M-EFD be used as a direct replacement for the NLCV25T-1R0M-PFD in existing designs?

A: Yes. The NLCV25T-1R0M-EFD is electrically and mechanically identical to the NLCV25T-1R0M-PFD. Both components have the same inductance value (1 µH), current rating (475 mA), DC resistance (442 mOhm maximum), package dimensions (1008 / 2520 Metric), and operating temperature range (-40°C ~ 105°C). Pin-to-pin and footprint compatibility is confirmed.

Q: What is the significance of the "Not For New Designs" status on the NLCV25T-1R0M-PFD?

A: This status indicates that TDK has discontinued active development and support for the NLCV25T-1R0M-PFD series. While existing inventory may be available, the manufacturer does not recommend this component for new product designs. The NLCV25T-1R0M-EFD, with active product status, is the designated successor and should be used for all new applications.

Q: Are there any differences in the series designation between the PFD and EFD variants?

A: The series designation change from NLCV-PFD to NLCV-EFD reflects TDK's product line evolution. The EFD variant represents the current active series. All electrical and mechanical specifications remain identical, ensuring full substitutability.

Q: Do both components meet automotive qualification standards?

A: Yes. Both the NLCV25T-1R0M-PFD and NLCV25T-1R0M-EFD carry AEC-Q200 ratings, confirming suitability for automotive applications. Both are ROHS3 compliant and operate across the same temperature range (-40°C ~ 105°C).

Q: What is the current inventory status for each component?

A: The NLCV25T-1R0M-PFD has 1,118 pieces in stock (new original). The NLCV25T-1R0M-EFD has 3,100 pieces in stock (new original). The higher inventory level for the EFD variant reflects its active product status and ongoing market demand.

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