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TDK Corporation SPM4020T4R7MLR Power Inductor

The SPM-LR series 4020 type from TDK comprises commercial-grade magnetic shielded wire-wound inductors designed for power circuits, utilizing a metallic magnetic material. These inductors feature inductance values ranging from 0.47μH to 10μH and provide a low profile design. They have a maximum DCR (DC resistance) ranging from 11.8 milliohm to 284.1 milliohm and can handle Isat currents from 2.3A to 14.1A. The components offer low inductance variance at high temperatures and maintain good DC bias characteristics. They operate within a temperature range of -40°C to +125°C, allowing for higher current capacity, lower resistance, and a compact form factor, ideal for industrial applications.

Authorized Distributors
Source:Newark
Part No:SPM4020T-4R7M-LR
Stock:766
Inv Date:06-12-2026
Price: Unit price: $1.2
Buy/RFQ:
Source:DigiKey
Part No:SPM4020T-4R7M-LR
Stock:0
Inv Date:06-12-2026
Price: Unit price: $0.62028
Buy/RFQ:
Source:DigiKey
Part No:SPM4020T-4R7M-LR
Stock:9
Inv Date:06-12-2026
Price: Unit price: $1.07
Buy/RFQ:
Part No:SPM4020T-4R7M-LR
Stock:1
Inv Date:06-13-2026
Price: Unit price: $1.07
Buy/RFQ:

TDK Corporation SPM4020T4R7MLR Power Inductor Specifications:

  • Inductance Range: 0.47μH to 10μH
  • Inductance Tolerance: ±20%
  • Maximum DCR: 11.8mΩ to 284.1mΩ
  • Rated Current (Isat): 2.3A to 14.1A
  • Operating Temperature Range: -40°C to +125°C
  • Dimensions: 4.4mm x 4.1mm x 2mm (L x W x H)
  • Material: Metallic magnetic core
  • Packaging: Reflow compatible, 500 pcs/reel
  • Design: Magnetic shielded, low profile, wound inductor
  • Application: Power supplies, VRMs, compact electronic modules

Buy the TDK Series SPM Inductors: SPM4020-LR: 4020 Type AINE!

Buy TDK power inductors from the SPM-LR series online now to ensure reliable performance in power circuits. These inductors feature a low profile design, high current handling capacity, and excellent thermal stability, making them suitable for various electronic applications like VRMs and compact modules. With their metallic magnetic core, they provide low resistance and stable inductance at elevated temperatures. Easy to order, these inductors come in reel packaging for efficient assembly and reflow soldering, ensuring quality and durability for your electronic projects.

Get TDK SPM4020-LR inductors today—built for high current capacity, thermal stability, and compact power circuit design.

Frequently Asked Questions

Where can I buy TDK Corporation SPM4020T4R7MLR?

You can click on the BUY or RFQ button to purchase SPM4020T4R7MLR from an authorized TDK Corporation distributor.

How do I troubleshoot issues or seek technical support for part SPM4020T4R7MLR?

You can download the SPM4020T4R7MLR datasheet or visit the TDK Corporation website for support.

Who is the manufacturer of SPM4020T4R7MLR?

TDK Corporation

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