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Bourns SDR0403391KL Surface Mount Inductor

The SDR0403-391KL is a high-quality, low-profile surface-mount inductor designed for power supplies and portable communication devices. With a footprint width of 3.9 mm, it operates at a frequency range up to 50 MHz, supporting currents up to 0.35 A. Its inductance is 390 nH, making it suitable for filtering and energy storage in DC/DC converters. It features RoHS compliance, a high SRF, and excellent resistance to reflow soldering temperatures up to 260°C. Ideal for compact, efficient electronic applications requiring reliable performance and durability.

Authorized Distributors
Source:Newark
Part No:SDR0403-391KL
Stock:1980
Inv Date:05-28-2026
Price: Unit price: $0.509
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Source:DigiKey
Part No:SDR0403-391KL
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.24328
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Part No:SDR0403-391KL
Stock:0
Inv Date:05-29-2026
Price: Unit price: $0.46
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Part No:SDR0403-391KL
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.45
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Part No:SDR0403-391KL
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.2284
Buy/RFQ:
Part No:SDR0403-391KL
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.2284
Buy/RFQ:

Bourns SDR0403391KL Surface Mount Inductor Specifications:

  • Inductance: 390 nH
  • Maximum Operating Temperature: +125°C
  • SRF: 50 MHz
  • Test Voltage: 1V
  • Test Frequency: 1kHz
  • Resistance: 0.58 Ω
  • Saturation Current: 0.35 A
  • Reflow Soldering Temperature: 260°C for 5 sec.
  • Dimensions: Width 3.9 mm, Length 4.0 mm, Thickness 1.2 mm
  • Material: Ferrite core
  • RoHS compliant, Lead-free terminals
  • Storage Temperature: -40°C to +125°C
  • Package: Reel of 2000 pieces

Buy the Buy Bourns Inductor Part Number SDR0403-391KL Online

Order the high-performance Bourns SDR0403-391KL surface mount inductor today for efficient power management in your electronic projects. Designed for small form factor applications, it offers superior inductance, high SRF, and excellent thermal characteristics. With RoHS compliance, it ensures environmentally responsible manufacturing, and its durability makes it ideal for various power supplies, communication, and industrial electronics. Secure your stock now and benefit from fast delivery, quality assurance, and the trusted Bourns brand for your critical electronic components.

Get Bourns SDR0403-391KL today—built for reliable power filtering and long-lasting performance in compact electronic devices.

Frequently Asked Questions

Where can I buy Bourns SDR0403391KL?

You can click on the BUY or RFQ button to purchase SDR0403391KL from an authorized Bourns distributor.

How do I troubleshoot issues or seek technical support for part SDR0403391KL?

You can download the SDR0403391KL datasheet or visit the Bourns website for support.

Who is the manufacturer of SDR0403391KL?

Bourns

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