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Bourns SRP series shielded metal alloy power inductor

Bourns SRP series shielded metal alloy power inductor

From EMC point, we can use the SRP series as fitlers to supress the differential mode noise, adding pi filter on the power line with deepest insetion loss. 
SRP seires with higher current, 70A max, good EMC performance, smaller size, is suitable to pass the EMC test.

Bourns new Model SRP inductor families are designed to meet high current and low radiation requirements in a small form factor. Bourns’ latest inductors feature a coil that is wound with either round or flat wire completely press-molded with an iron-based magnetic metal alloy powder core. This type of construction delivers magnetic shielding, high current capability, compact size, low buzz noise and excellent temperature stability.

Bourns® High Current Shielded SMD Power Inductors are designed with carbonyl powder, iron powder, and metal alloy powder cores.

Bourns is a leading manufacturer and supplier of power inductors, particularly SMD high current shielded power inductors. Bourns’ innovative power inductor design utilizes a flat wire within a molded magnetically shielded housing that enables lower DC resistance and slightly higher current ratings compared to traditionally used round wire. The new inductors Bourns® Models SRP4020 and SRP7030F  are ideally suited for use in DC-DC converters for mobile electronic devices and computers, as well as data storage and voltage regulator modules. Other applications that can benefit from Bourns’ advanced power inductor design include servers, portable gaming devices, navigation systems, automotive electronics, low to medium risk medical equipment and more.

SMD power inductors used in the power supply interface and at the CAN transceiver should be shielded surface mount components capable of handling high current. The high current shielded SMD power inductor's shielded housing helps achieve the low EMI levels required in automotive designs. Bourns® SRP family of SMD power inductors combines flat wire technology and a powdered iron core to achieve a compact and efficient package. The flat wire in the high current shielded SMD power inductor exhibits increased conductivity due to maximizing the use of its surface area, thus making it capable of handling high frequency switching.


Features

  • Shielded construction
  • Metal alloy powder core
  • High saturation current
  • Inductance range 0.1 to 100 µH
  • AEC-Q200 compliant
  • RoHS compliant* and halogen free**


Applications

  • DCDC convertor
  • PMIC circuit
  • EMI filter

 

Key Components

  • SRP2313AA with 70A
  • SRP1770TA with 52A
  • SRP1265A with 55A
  • SRP7030CA with 21.8A
  • SRP4030FA with 11.2A
  • SRP2512TMA with 7.3A, etc.


Benefits

  • As EMI filters, it can supress the differentail mode noise to pass the stricter EMC standard.


Related Products

  • SRP series product, with LC filter or PI filter to solve the EMC issues.

 

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