SLF7045T-150M1R5-H Equivalent & Substitute Parts

Part Overview

The SLF7045T-150M1R5-H is a 15 µH shielded drum core wirewound inductor manufactured by TDK Corporation, rated for 1.5 A with a maximum DC resistance of 81.6 mOhm. This component is classified as Not For New Designs, indicating it has been superseded in TDK's product portfolio. Finding equivalent substitute parts is necessary to ensure design continuity, maintain supply chain flexibility, and access components with improved electrical characteristics or extended product lifecycle support.

Substiute Parts

SLF7045T-150M1R5-H

TDK CorporationIn Stock: 1339SLF7045T-150M1R5-H Datasheet

Current PartRFQ

CLF7045NIT-150M-D

TDK CorporationIn Stock: 3177CLF7045NIT-150M-D Datasheet

MFR RecommendedRFQ

PF0465.153NLT

Pulse ElectronicsIn Stock: 1058PF0465.153NLT Datasheet

DirectRFQ

P1167.153NLT

Pulse ElectronicsIn Stock: 4651P1167.153NLT Datasheet

MFR RecommendedRFQ

SRR0604-150ML

Bourns Inc.In Stock: 3237SRR0604-150ML Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the SLF7045T-150M1R5-H are qualified based on the following critical parameters:

• Inductance Value: All substitutes maintain 15 µH ±20% tolerance
• Current Rating: Substitute parts must support minimum 1.5 A saturation current; higher ratings provide design margin
• DC Resistance: Substitutes range from 55 mOhm to 130 mOhm; lower values reduce power dissipation
• Shielding: All substitutes are shielded to maintain electromagnetic compatibility
• Core Material: Ferrite core construction preserved where specified
• Mounting Type: All substitutes are surface mount compatible
• Compliance: All substitutes maintain ROHS3 compliance and AEC-Q200 or equivalent ratings

The four substitute parts represent different manufacturers and product series, each offering distinct advantages in current handling capacity, DC resistance, thermal performance, or product lifecycle status.

Parameter Comparison

Engineering Selection Recommendations

CLF7045NIT-150M-D (TDK Corporation): This TDK substitute offers the highest current rating at 2.3 A with improved DC resistance of 66 mOhm Max. It maintains AEC-Q200 compliance and extends the operating temperature range to -55°C ~ 150°C. Product status is Active, ensuring long-term availability. This part is the manufacturer-recommended upgrade path from the SLF7045T-150M1R5-H.

PF0465.153NLT (Pulse Electronics): This Pulse Electronics option provides the lowest DC resistance at 55 mOhm Max with a current rating of 1.6 A. It is suitable for applications prioritizing minimal power dissipation. Product status is Active with ROHS3 compliance. Self-resonant frequency is specified at 24 MHz.

P1167.153NLT (Pulse Electronics): This Pulse Electronics wirewound inductor offers a 1.7 A current rating with 66 mOhm Max DC resistance. Operating temperature extends to -40°C ~ 130°C. Product status is Active with ROHS3 compliance. Self-resonant frequency is specified at 20 MHz.

SRR0604-150ML (Bourns Inc.): This Bourns option features a smaller footprint (6.50mm x 6.50mm) compared to the original part. Current rating is 1.1 A with 130 mOhm Max DC resistance. Product status is Active with ROHS3 compliance. This part includes corner terminals and is available in Cut Tape and Digi-Reel packaging.

Frequently Asked Questions (FAQ)

Q: Can CLF7045NIT-150M-D directly replace SLF7045T-150M1R5-H in existing designs?

A: Yes. Both parts share identical inductance (15 µH), tolerance (±20%), shielding, and core material. CLF7045NIT-150M-D exceeds the current rating requirement (2.3 A vs. 1.5 A) and provides lower DC resistance (66 mOhm vs. 81.6 mOhm). Extended operating temperature range (-55°C ~ 150°C) and Active product status make it the direct upgrade path.

Q: What is the primary difference between PF0465.153NLT and P1167.153NLT?

A: Both are Pulse Electronics 15 µH shielded inductors with similar current ratings (1.6 A and 1.7 A respectively) and DC resistance (55 mOhm and 66 mOhm respectively). PF0465.153NLT has a higher self-resonant frequency (24 MHz vs. 20 MHz). P1167.153NLT is explicitly specified as wirewound type. Selection depends on application frequency requirements and thermal dissipation constraints.

Q: Why does SRR0604-150ML have a lower current rating than the original part?

A: SRR0604-150ML is optimized for compact form factor (6.50mm x 6.50mm) with corner terminals. The 1.1 A current rating reflects this size optimization. This part is suitable only for applications where current requirements do not exceed 1.1 A and space constraints justify the trade-off.

Q: Are all substitute parts available in the same packaging format?

A: No. SLF7045T-150M1R5-H, CLF7045NIT-150M-D, PF0465.153NLT, and P1167.153NLT are supplied in Tape & Reel (TR) packaging. SRR0604-150ML is available in Cut Tape (CT) and Digi-Reel packaging. Verify packaging compatibility with assembly equipment before selection.

Q: Which substitute part offers the best thermal performance?

A: PF0465.153NLT provides the lowest DC resistance at 55 mOhm Max, resulting in minimal power dissipation and heat generation. For applications with strict thermal constraints, this part is the optimal choice among the substitutes.

Q: Do all substitute parts maintain AEC-Q200 compliance?

A: CLF7045NIT-150M-D explicitly maintains AEC-Q200 compliance. PF0465.153NLT, P1167.153NLT, and SRR0604-150ML do not list AEC-Q200 ratings in the provided specifications. For automotive or high-reliability applications requiring AEC-Q200 compliance, CLF7045NIT-150M-D is the appropriate selection.