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Home » NEWEST Products » New by Manufacturer » Bourns » Bourns SRP High Current Power Inductors
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Bourns SRP Series Shielded Power Inductors

Bourns SRP Series High Current Power Inductors are a vast range of shielded power inductors with ranges in height from 2mm to 7mm, inductances from 0.1 to 10µH, and current ratings from 10 to 45 A. The entire SRP Series is RoHS compliant. The Bourns SRP Series High Current Power Inductors are ideal for input / output of DC / DC converters and power supplies for portable communications equipment, camcorders, HDTV, LCD TV, car audio systems, and video game consoles.
Bourns SRP12-LAB1 Design Kit contains 2 each of 18 inductor values in case sizes 1235, 1250, and 1270.
Learn More about Bourns Automotive SRP High Current Power Inductors

General Specification Materials
  • Test Voltage: 0.25 V
  • Test Frequency: 100 KHz
  • Reflow Soldering: 230°C; 50 sec. max.
  • Resistance to Soldering Heat: +260°C for 10 sec.
  • Core: Iron
  • Wire: Enameled copper
  • Terminal: Cu/Sn
  • Rated Current: Ind. drops 20 % at Isat
  • Temperature Rise: 40 °C at rated Irms

SRP1040

  • Unit height of 2.0 mm
  • Flat wire
  • Inductance range: 0.22 to 2.2µH
  • Rated current up to 10 A
  • Operating Temperature: -55 °C to +125°C (Temperature rise included)
  • Storage Temperature: -55 °C to +125°C
  • Packaging SRP1040: 2000 pcs. per 13-inch reel
  • Datasheet

 

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SRP1045

  • Shielded construction
  • Unit height of 4.5mm
  • Inductance range: 0.36 to 3.2µH
  • Current up to 23A
  • Datasheet

 

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SRP1055

  • Unit height of 2.0 mm
  • Flat wire
  • Inductance range: 0.22 to 2.2µH
  • Rated current up to 10 A
  • Operating Temperature: -55 °C to +125°C (Temperature rise included)
  • Storage Temperature: -55 °C to +125°C
  • Packaging SRP1040: 2000 pcs. per 13-inch reel
  • Datasheet

 

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SRP1204

  • Unit height of 2.0 mm
  • Shielded Construction
  • Inductance range: 0.5 to 1.8µH
  • Current up to 13A
  • Operating Temperature: -55 °C to +150°C (Temperature rise included)
  • Storage Temperature: -55 °C to +150°C
  • Packaging SRP1040: 800pcs. per 13-inch reel
  • Datasheet

 

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SRP1205

  • Unit height of 5.6 mm
  • Flat wire
  • Inductance range: 0.3 to 7.2µH
  • Rated current up to 18A
  • Operating Temperature: -55 °C to +150°C (Temperature rise included)
  • Storage Temperature: -55 °C to +150°C
  • Packaging SRP1040: 600 pcs. per 13-inch reel
  • Datasheet

 

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SRP1206

  • Unit height of 5.7mm
  • Inductance range: 0.47 to 3.3µH
  • Rated current up to 30A
  • Operating Temperature: -55 °C to +150°C (Temperature rise included)
  • Storage Temperature: -55 °C to +150°C
  • Packaging SRP1040: 600 pcs. per 13-inch reel
  • Datasheet

 

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SRP1235

  • Unit height of 3.7 mm
  • Inductance range: 0.1 to 10µH
  • Operating Temperature -55ºC to +150ºC (temperature rise included)
  • Storage Temperature -55ºC to +150ºC
  • Rated current up to 43A
  • Packaging SRP1235: 600 pcs. per 13-inch reel
  • Datasheet

 

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SRP1250

  • Unit height of 5.9 mm
  • Inductance range: 0.22 to 10µH
  • Operating Temperature -55ºC to +150ºC (temperature rise included)
  • Storage Temperature -55ºC to +150ºC
  • Rated current up to 45A
  • Packaging: 500 pcs. per 13-inch reel
  • Datasheet

 

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SRP1270

  • Mounting height of 7.0 mm max.
  • Inductance range: 0.32 to 10µH
  • Operating Temperature -55ºC to +125ºC (temperature rise included)
  • Storage Temperature -55ºC to +125ºC
  • Rated current up to 41 A
  • Packaging: 400 pcs. per 13-inch reel
  • Datasheet

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SRP2010

  • Wirewound Construction
  • Iron Powder Core
  • Magnetically Shielded for low radiation
  • Low DC Resistance
  • Low Profile

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SRP2512

  • Wirewound Construction
  • Iron Powder Core
  • Magnetically Shielded for low radiation
  • Low DC Resistance
  • Low Profile

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SRP4012

  • Unit height of 1.2mm
  • Flat wire
  • Inductance range: 0.22 to 1.5µH
  • Rated current up to 9A
  • Operating Temperature: -55 °C to +125°C (Temperature rise included)
  • Storage Temperature: -55 °C to +125°C
  • Packaging SRP1040: 2000 pcs. per 13-inch reel
  • Datasheet

 

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SRP4020

  • Shielded Construction
  • Flat Wire
  • Unit height of 2mm
  • Inductance range: 0.22 to 5.6µH
  • Rated current up to 10A
  • Operating Temperature: -55 °C to +125°C (Temperature rise included)
  • Storage Temperature: -55 °C to +125°C
  • Packaging SRP4020: 2000 pcs. per 13-inch reel
  • Datasheet

 

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SRP5030T

  • Shielded construction
  • Iron powder core
  • High saturation current
  • Inductance range: 0.33 to 10 μH
  • Rated current up to 14 A
  • Datasheet

 

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SRP6540

  • Shielded construction
  • Iron powder core
  • High saturation current
  • Inductance range: 0.56 to 47 μH
  • Rated current up to 18 A
  • Datasheet

 

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SRP7030

  • Unit height as low as 3.0 mm
  • Inductance range: 0.1 to 10 µH
  • Rated current up to 32 A
  • Operating Temperature: -55 °C to +125°C (Temperature rise included)
  • Storage Temperature: -55 °C to +125°C
  • Packaging SRP7030F: 1000 pcs. per 13-inch reel
  • Datasheet

 

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SRP8040

  • Unit height of 2.0 mm
  • Shielded Construction
  • Inductance range: 0.1 to 0.22µH
  • Rated current up to 35A
  • Operating Temperature: -55 °C to +150°C (Temperature rise included)
  • Storage Temperature: -55 °C to +150°C
  • Packaging SRP1040: 1000 pcs. per 13-inch reel
  • Datasheet

 

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Design Kits

SRP Design Kits
View Product Detail

Additional Resources:

 Datasheet

Bourns SRP Design Kits

Whether you are designing a DC/DC converter to power a consumer electronic device, communication equipment, industrial instrumentation, medical device or to suppress a wide spectrum of stubborn EMI noise, the design kits are stocked with the most popular sizes and values, allowing you to simply select the best inductor for your application.

SRP-LAB1 contains 3 each of 32 inductor values in case sizes 4020 and 7030.
SRP-LAB2 contains 3 each of 32 inductor values in case sizes 1040, 1235, 1250, and 1270.
SRP12-LAB1 contains 2 each of 18 inductor values in case sizes 1235, 1250, and 1270.

Part NumberDescriptionData SheetTermination Style




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