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SD18-2R2 from COOPER

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SD18-2R2

Manufacturer: COOPER

High Power Density, Low Profile, Shielded Inductors

Partnumber Manufacturer Quantity Availability
SD18-2R2,SD182R2 COOPER 397600 In Stock

Description and Introduction

High Power Density, Low Profile, Shielded Inductors The part **SD18-2R2** is a **2.2 µH shielded surface mount power inductor** manufactured by **Bourns**.  

### **Specifications:**  
- **Inductance:** 2.2 µH  
- **Tolerance:** ±20%  
- **DC Resistance (DCR):** 0.018 Ω (typical)  
- **Saturation Current (Isat):** 9.0 A (typical)  
- **Thermal Current (Irms):** 9.5 A (typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Shielded Construction:** Yes (reduces EMI)  
- **Package Type:** Surface Mount (SMD)  
- **Dimensions (L x W x H):** 7.8 mm x 7.0 mm x 4.5 mm  

### **Descriptions and Features:**  
- Designed for **high-current power applications**  
- **Shielded design** minimizes electromagnetic interference (EMI)  
- **High saturation current** for stable performance in DC-DC converters  
- **Low DCR** improves efficiency in power circuits  
- **RoHS compliant**  
- Suitable for **automotive, industrial, and consumer electronics**  

This inductor is commonly used in **switching power supplies, voltage regulators, and power management circuits**.

Application Scenarios & Design Considerations

High Power Density, Low Profile, Shielded Inductors

Alternative Part Number

  • DR127-2R2-R --: 2.2uH shielded drum-core power inductor with similar current rating and low DCR, a common drop-in for Cooper SD series in DC-DC filtering.
  • SRR1260-2R2Y --: 2.2uH shielded power inductor with comparable saturation current and footprint, widely available and electrically similar to the SD18-2R2.
  • CDRH127-2R2 --: 2.2uH shielded inductor in a similar 12x12mm class with matching inductance tolerance, suitable as a functional replacement.
  • CDRH5D18-2R2NC --: Shielded power inductor with the same 2.2 uH value and comparable 5x5 mm class footprint, widely available and electrically similar.
  • SRN5020-2R2M --: 2.2 uH shielded power inductor in a similar small SMD size, good drop-in candidate for DC-DC filtering applications.
  • LQH55D2R2M --: 2.2 uH SMD power inductor with comparable current rating and size, suitable as a functional replacement.

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