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TDK Corporation SPM4030TR40M Power Inductor

The SPM4030 series inductors are magnetic shield wound components designed for power circuits, offering high current capacity, low Rdc, and compact size. Made with metallic magnetic material, these inductors feature an integrated molded coil, providing lower hum noise compared to core adhesive types. Operating within -40°C to +125°C, they are suitable for use in PCs, HDDs, servers, VRMs, and power supply modules, delivering reliable performance in high-temperature environments while maintaining stable inductance and DC resistance characteristics.

Authorized Distributors
Source:DigiKey
Part No:SPM4030T-R40M
Stock:0
Inv Date:06-12-2026
Price: Unit price: $0.64812
Buy/RFQ:
Source:DigiKey
Part No:SPM4030T-R40M
Stock:0
Inv Date:06-12-2026
Price: Unit price: $1.12
Buy/RFQ:
Part No:SPM4030T-R40M
Stock:714
Inv Date:06-13-2026
Price: Unit price: $1.13
Buy/RFQ:
Part No:SPM4030T-R40M
Stock:14
Inv Date:06-13-2026
Price: N/A
Buy/RFQ:

TDK Corporation SPM4030TR40M Power Inductor Specifications:

  • Series: SPM4030
  • Dimensions: 4.2x4.0x3.0 mm
  • Inductance: 0.40 to 3.3 μH
  • Inductance Tolerance: ±20%
  • Rated Frequency: 100 kHz
  • DC Resistance (DCR): 5.17 to 64.5 mΩ
  • Rated Current: 78 to 38 A
  • Maximum Saturation Current (Isat): 13.5 to 3.2 A
  • Temperature Range: -40°C to +125°C
  • Material: Metallic magnetic with integrated molded coil
  • Operating Temperature: includes self-temperature rise
  • Storage Temperature Range: -40°C to +125°C
  • Package: 500 pcs/reel
  • Recommended Reflow Profile: Preheat at 260°C, natural cooling
  • Weight: 0.249 g

Buy the Buy Magnetic Shield Wound Inductor Part Number SPM4030TR40M Online

Secure your SPM4030 series inductors online today and experience high current capacity, low resistance, and excellent thermal stability. Perfect for power circuits in PCs, servers, and power modules, these inductors are designed to operate from -40°C to +125°C. Their magnetic shield construction minimizes hum noise, ensuring quiet operation. With a compact 4.2x4.0x3.0 mm size, they fit easily into your designs while providing stable inductance and low DCR. Purchase now for dependable performance in your electronic applications.

Order your innovative SPM4030 Series inductors today and enhance your power circuits with reliable, compact, and high-performance magnetic components.

Frequently Asked Questions

Where can I buy TDK Corporation SPM4030TR40M?

You can click on the BUY or RFQ button to purchase SPM4030TR40M from an authorized TDK Corporation distributor.

How do I troubleshoot issues or seek technical support for part SPM4030TR40M?

You can download the SPM4030TR40M datasheet or visit the TDK Corporation website for support.

Who is the manufacturer of SPM4030TR40M?

TDK Corporation

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