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Bourns 78F221JRC Conformal Coated RF Choke

The Bourns 78F series conformal coated RF chokes are designed to provide reliable performance in a variety of applications, including DC/DC converters and power supplies. These chokes offer a current rating up to 1.2A and a dielectric strength of 500 VRMS, ensuring stability and efficiency. The conformal coating provides enhanced protection against environmental factors, making them suitable for demanding industrial environments. RoHS compliant, these chokes are available in various inductance values and packaging options to meet specific design requirements.

Authorized Distributors
Source:Newark
Part No:78F221J-RC
Stock:8615
Inv Date:05-28-2026
Price: Unit price: $0.216
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Source:DigiKey
Part No:78F221J-RC
Stock:8522
Inv Date:05-28-2026
Price: Unit price: $0.22
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Part No:78F221J-RC
Stock:6146
Inv Date:05-29-2026
Price: Unit price: $0.22
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Part No:78F221J-RC
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.21
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Part No:78F221J-RC
Stock:8233
Inv Date:05-28-2026
Price: Unit price: $0.1316
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Part No:78F221J-RC
Stock:8233
Inv Date:05-28-2026
Price: Unit price: $0.1316
Buy/RFQ:
Part No:78F221J-RC
Stock:560
Inv Date:05-29-2026
Price: N/A
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Bourns 78F221JRC Conformal Coated RF Choke Specifications:

  • Current Rating: Up to 1.2 A
  • DC/DC Converters: Applications
  • Dielectric Strength: 500 VRMS
  • Power Supplies: Applications
  • RoHS Compliant: Yes
  • General Use: Applications
  • Inductance Value: 0.22 μH ±10 %
  • Q Min: 40
  • Test Frequency (MHz): 25
  • SRF Min (MHz): 380
  • DCR (Ω) Max: 0.075
  • IDC (mA) Max: 1150
  • Operating Temperature Range: -55 °C to +105 °C
  • Storage Temperature Range: -55 °C to +105 °C
  • Core Material: Ferrite DR core
  • Wire: Enamelled copper wire
  • Terminal: Cu/Ni/Sn
  • Coating: Epoxy resin
  • Packaging Standard: 5000 pcs. per bag
  • Optional Packaging: 5000 pcs. per 14-inch reel

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Frequently Asked Questions

Where can I buy Bourns 78F221JRC?

You can click on the BUY or RFQ button to purchase 78F221JRC from an authorized Bourns distributor.

How do I troubleshoot issues or seek technical support for part 78F221JRC?

You can download the 78F221JRC datasheet or visit the Bourns website for support.

Who is the manufacturer of 78F221JRC?

Bourns

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