CLF10040T-151M-H Equivalent & Substitute Parts

Part Overview

The CLF10040T-151M-H is a 150 µH shielded drum core wirewound inductor manufactured by TDK Corporation, rated for 1 A continuous current with 380 mOhm DC resistance. This surface mount component is designed for applications requiring fixed inductance in compact form factors. The part carries a "Not For New Designs" status, necessitating identification of functionally equivalent alternatives for ongoing production and new design implementations.

Key Parameters

Parameter	Value
Inductance	150 µH
Inductance Tolerance	±20%
Current Rating	1 A
DC Resistance (DCR)	380 mOhm
Current - Saturation	800 mA
Shielding	Shielded
Core Material	Ferrite
Operating Temperature Range	-40°C ~ 125°C
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the CLF10040T-151M-H is determined by the following critical parameters:

Inductance Value: Must be 150 µH with ±20% tolerance
Current Rating: Minimum 1 A continuous current capability
Saturation Current: Minimum 800 mA
DC Resistance: Maximum 380 mOhm (lower values acceptable)
Shielding: Must be shielded configuration
Core Material: Ferrite drum core construction
Operating Temperature: Must support -40°C ~ 125°C minimum range
Mounting: Surface mount, nonstandard package
Compliance: ROHS3 compliant

All four substitute parts meet these core electrical and mechanical requirements while maintaining functional equivalence for the specified application parameters.

Parameter Comparison

Parameter	CLF10040T-151M-H	CLF10060NIT-151M-D	7447714151	ASPI-104S-151M-T	CDRH104RT125NP-151MC
Manufacturer	TDK Corporation	TDK Corporation	Würth Elektronik	Abracon LLC	Sumida America Components Inc.
Inductance	150 µH	150 µH	150 µH	150 µH	150 µH
Inductance Tolerance	±20%	±20%	±20%	±20%	±20%
Current Rating (Amps)	1 A	1.05 A	1.2 A	850 mA	860 mA
Current - Saturation	800 mA	1.05 A	1.4 A	1.15 A	1 A
DC Resistance (DCR)	380 mOhm	288 mOhm Max	300 mOhm Max	506 mOhm Max	448 mOhm Max
Shielding	Shielded	Shielded	Shielded	Shielded	Shielded
Core Material	Ferrite	Ferrite	Ferrite	Ferrite	Ferrite
Operating Temperature	-40°C ~ 125°C	-55°C ~ 150°C	-40°C ~ 125°C	-40°C ~ 85°C	-40°C ~ 125°C
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Packaging	Tape & Reel (TR)	Cut Tape (CT)	Tape & Reel (TR)	Tape & Reel (TR)	Tape & Reel (TR)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	RoHS Compliant
Product Status	Not For New Designs	Last Time Buy	Active	Active	Active

Engineering Selection Recommendations

CLF10060NIT-151M-D (TDK Corporation): This TDK alternative offers improved current rating (1.05 A) and lower DC resistance (288 mOhm Max), with extended operating temperature range (-55°C ~ 150°C). AEC-Q200 rated. Available in Cut Tape packaging. Suitable for applications requiring enhanced thermal performance and automotive-grade reliability.

7447714151 (Würth Elektronik): The WE-PD Performance series provides the highest current rating (1.2 A) and saturation current (1.4 A) among substitutes, with specified self-resonant frequency (4.9 MHz). AEC-Q200 rated and Active product status. Optimal for high-current applications within the -40°C ~ 125°C range.

ASPI-104S-151M-T (Abracon LLC): This option features the lowest profile (4.00 mm height) and is suitable for space-constrained designs. Current rating of 850 mA meets minimum requirements with 1.15 A saturation current. Active product status. Operating temperature limited to -40°C ~ 85°C.

CDRH104RT125NP-151MC (Sumida America Components Inc.): Provides 860 mA current rating with 448 mOhm Max DC resistance and 1 A saturation current. AEC-Q200 rated. Compact 4.00 mm height. Active product status with standard -40°C ~ 125°C operating range.

Frequently Asked Questions (FAQ)

Q: Can ASPI-104S-151M-T replace CLF10040T-151M-H in all applications?

A: ASPI-104S-151M-T meets the 150 µH inductance and ±20% tolerance requirements. However, its current rating (850 mA) is below the original 1 A specification and its operating temperature range (-40°C ~ 85°C) is narrower. Substitution is valid only for applications operating within 850 mA continuous current and below 85°C maximum temperature.

Q: What is the primary advantage of CLF10060NIT-151M-D?

A: CLF10060NIT-151M-D provides lower DC resistance (288 mOhm Max versus 380 mOhm), higher current rating (1.05 A), and extended operating temperature range (-55°C ~ 150°C). These characteristics reduce power dissipation and enable operation in wider thermal environments.

Q: Are all substitutes available in Tape & Reel packaging?

A: CLF10060NIT-151M-D is supplied in Cut Tape (CT) packaging. The remaining three substitutes (7447714151, ASPI-104S-151M-T, CDRH104RT125NP-151MC) are available in Tape & Reel (TR) packaging. Packaging format should be verified against procurement requirements.

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

A: CLF10060NIT-151M-D supports the highest operating temperature (150°C maximum) and lowest temperature (-55°C minimum), providing the widest thermal operating window among all options.

Q: Do all substitutes maintain ROHS3 compliance?

A: CLF10040T-151M-H, CLF10060NIT-151M-D, 7447714151, and ASPI-104S-151M-T are ROHS3 compliant. CDRH104RT125NP-151MC is RoHS compliant. Verify specific compliance requirements for your application.

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