Bourns Inc. SRP7030-R68M Fixed Inductor: Ultimate Solution for High-Current Power Applications

The SRP7030-R68M from Bourns Inc. represents the pinnacle of fixed inductor technology, combining precision engineering with robust performance for demanding power electronics applications. This comprehensive guide explores why engineers worldwide trust this component for critical designs.

In-Depth Product Analysis

Technical Specifications

• Inductance: 680nH 20% @ 100kHz
• Current Handling: 15.5A continuous / 23A saturation
• DC Resistance: Ultra-low 5.5m max
• Shielding: Full magnetic shielding for EMI suppression
• Temperature Range: Military-grade -55 C to +150 C
• Dimensions: Compact 7.8mm 7.0mm 3.2mm

Why the SRP7030-R68M Stands Out

1. Superior Power Handling

With an industry-leading 15.5A continuous current rating and 23A saturation current, this inductor outperforms comparable components in:

• High-current DC-DC converters
• VRM (Voltage Regulator Module) applications
• Automotive power systems

2. Advanced Drum Core Technology

The wirewound drum core construction delivers:

• Lower core losses at high frequencies
• Reduced audible noise
• Enhanced thermal performance

3. EMI/RFI Mitigation

The fully shielded design provides:

• 30% better EMI suppression than unshielded alternatives
• Reduced crosstalk in dense PCB layouts
• Compliance with CISPR 32 Class B emissions standards

Application-Specific Performance

Power Supply Designs

In 48V to 12V buck converters, the SRP7030-R68M demonstrates:

• 93% typical efficiency at 500kHz switching
• Less than 2 C temperature rise at 10A load

Automotive Electronics

Validated for:

• ECU power conditioning
• LED driver circuits
• ADAS module power supplies

Design Considerations

PCB Layout Recommendations

• Maintain 2mm clearance from heat-sensitive components
• Use thermal vias for heat dissipation
• Implement star grounding for noise-sensitive applications

Thermal Management

The SRP7030-R68M features:

• 125 C maximum hotspot temperature
• 0.8 C/W thermal resistance

Comparative Advantages

Parameter	SRP7030-R68M	Typical Competitor
Current Rating	15.5A	12A
DCR	5.5m	8m
Height	3.2mm	4.5mm

Purchasing Information

The SRP7030-R68M is available through authorized distributors with:

• Standard tape-and-reel packaging
• MOQ of 1000 units
• 8-week lead time for large orders

Conclusion

The Bourns SRP7030-R68M sets new benchmarks for fixed inductors in power electronics. Its combination of high current capacity, low DCR, and superior shielding makes it the ideal choice for engineers designing:

• Next-generation server power supplies
• Automotive electrification systems
• Industrial motor drives
• 5G infrastructure power modules

For design support or volume pricing, contact Bourns' technical sales team today. Download the complete SRP7030-R68M datasheet for detailed specifications and application notes.