CLF7045T-331M-D Equivalent & Substitute Parts

Part Overview

The CLF7045T-331M-D is a 330 µH shielded drum core wirewound inductor manufactured by TDK Corporation, rated for 420 mA continuous current with a maximum DC resistance of 1.236 Ohm. This component is classified as Active product status and is designed for surface mount applications in electronic circuits requiring stable inductance performance across industrial temperature ranges. Substitute parts are identified when equivalent electrical specifications and mechanical compatibility allow direct replacement while maintaining circuit performance and reliability standards.

Substiute Parts

CLF7045T-331M-D

TDK CorporationIn Stock: 1885CLF7045T-331M-D Datasheet

Current PartRFQ

CLF7045NIT-331M-D

TDK CorporationIn Stock: 1675CLF7045NIT-331M-D Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the CLF7045T-331M-D is determined by the following critical parameters:

• Inductance Value: Must be 330 µH with ±20% tolerance to maintain circuit resonance and filtering characteristics
• Current Rating: Must support minimum 420 mA continuous operation; higher ratings provide design margin
• DC Resistance: Lower DCR values reduce power dissipation and heat generation; values at or below 1.236 Ohm are acceptable
• Core Material and Shielding: Ferrite core with shielding must be maintained to prevent electromagnetic interference
• Operating Temperature Range: Must encompass or exceed -40°C ~ 150°C to ensure reliability across application environments
• Mounting Type: Surface mount configuration required for PCB compatibility
• Compliance Standards: AEC-Q200 rating and ROHS3 compliance must be maintained

The CLF7045NIT-331M-D meets all substitution criteria with improved electrical performance characteristics.

Parameter Comparison

Engineering Selection Recommendations

Both the CLF7045T-331M-D and CLF7045NIT-331M-D are Active status components manufactured by TDK Corporation with full AEC-Q200 certification and ROHS3 compliance. The CLF7045NIT-331M-D provides superior electrical performance through reduced DC resistance (960 mOhm versus 1.236 Ohm) and increased current rating capacity (500 mA versus 420 mA), resulting in lower power dissipation and improved thermal characteristics. The extended operating temperature range (-55°C to 150°C versus -40°C to 150°C) on the substitute part provides additional environmental margin. Both components maintain identical inductance specifications, core material, shielding configuration, and mounting compatibility. Selection between these parts should be based on application current requirements, thermal budget constraints, and packaging format availability (Tape & Reel versus Cut Tape & Digi-Reel).

Frequently Asked Questions (FAQ)

Q: Can CLF7045NIT-331M-D directly replace CLF7045T-331M-D in existing designs?

A: Yes. Both components share identical inductance values (330 µH ±20%), core material (ferrite), shielding configuration, and surface mount compatibility. The substitute part meets or exceeds all electrical specifications of the main part.

Q: What is the primary advantage of the CLF7045NIT-331M-D substitute?

A: The substitute part features lower DC resistance (960 mOhm maximum versus 1.236 Ohm maximum), reducing power dissipation by approximately 22%. It also provides higher current rating capacity (500 mA versus 420 mA) and extended low-temperature operating range (-55°C versus -40°C minimum).

Q: Are there packaging differences between these parts?

A: Yes. The CLF7045T-331M-D is supplied in Tape & Reel (TR) packaging, while the CLF7045NIT-331M-D is available in Cut Tape (CT) & Digi-Reel format. Both are surface mount compatible with identical mechanical dimensions and height specifications.

Q: Do both parts meet automotive qualification standards?

A: Yes. Both the CLF7045T-331M-D and CLF7045NIT-331M-D carry AEC-Q200 certification, qualifying them for automotive applications.

Q: What compliance certifications apply to both parts?

A: Both components are ROHS3 compliant, REACH unaffected, and classified under ECCN EAR99 for export purposes. Moisture sensitivity level is rated as MSL 1 (unlimited shelf life).