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Bourns RLB9012821KL Ferrite Power Inductor

The RLB9012821KL is a high-performance ferrite core inductor suitable for power supply filtering, DC/DC conversion, and general electronic applications. This device offers a range of inductance values from 1.0 μH to 47 mH, with RoHS compliance for environmentally friendly manufacturing. Constructed with ferrite DR core, enameled copper wire, and durable terminal materials, it features compact dimensions and reliable electrical characteristics, including high SRF, low RDC, and current ratings to handle demanding electronic circuits. Its robust design ensures stability across operating temperatures from -55°C to +125°C, making it ideal for modern power electronics.

Authorized Distributors
Source:DigiKey
Part No:RLB9012-821KL
Stock:4956
Inv Date:05-28-2026
Price: Unit price: $0.62
Buy/RFQ:
Part No:RLB9012-821KL
Stock:1619
Inv Date:05-29-2026
Price: Unit price: $0.62
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Part No:RLB9012-821KL
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.6
Buy/RFQ:
Part No:RLB9012-821KL
Stock:2200
Inv Date:05-28-2026
Price: Unit price: $0.2889
Buy/RFQ:
Part No:RLB9012-821KL
Stock:2200
Inv Date:05-28-2026
Price: Unit price: $0.2889
Buy/RFQ:

Bourns RLB9012821KL Ferrite Power Inductor Specifications:

  • Core Material: Ferrite DR core
  • Wire: Enameled copper wire
  • Terminal: Cu/Ag/Sn
  • Temperature Range: -55°C to +125°C (operating), -55°C to +105°C (storage)
  • Inductance Range: 1.0 μH to 47 mH
  • RoHS compliant
  • Test Frequency: 1 KHz for most models, 20 MHz for high-frequency testing
  • SRF: Up to 125.5 MHz depending on model
  • DCR: Varies from 0.013 Ω to 2.9 Ω
  • Current Ratings: Up to 10 A for smaller inductors, lower for larger values
  • Packaging: 200 pieces per bag
  • Dimensions: Approximately 90 x 20 mm (length x width).

Buy the Bourns Series RLB Inductors: RLB9012821KL

Enhance your electronic projects with the Bourns Series RLB9012821KL ferrite power inductor, designed to deliver optimal inductance, stable performance, and RoHS compliance. Perfect for power supplies, DC/DC converters, and general electronic filtering, this component features a ferrite DR core, enameled copper wire, and durable terminals. With a wide inductance range from 1.0 μH to 47 mH, high SRF, and robust temperature stability, it ensures dependable operation across various demanding conditions. Purchase online now for fast, reliable delivery and elevate your circuit performance.

Order your Bourns Series RLB9012821KL high-current ferrite inductor today and ensure your electronic projects benefit from reliable and efficient power filtering.

Frequently Asked Questions

Where can I buy Bourns RLB9012821KL?

You can click on the BUY or RFQ button to purchase RLB9012821KL from an authorized Bourns distributor.

How do I troubleshoot issues or seek technical support for part RLB9012821KL?

You can download the RLB9012821KL datasheet or visit the Bourns website for support.

Who is the manufacturer of RLB9012821KL?

Bourns

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