SDR0805-120ML: High-Performance 12 H Fixed Inductor by Bourns Inc. | Specifications & Applications
SDR0805-120ML: Bourns Inc.'s Premium 12 H Fixed Inductor for High-Frequency Applications
In the realm of modern electronics, the SDR0805-120ML stands out as a top-tier fixed inductor solution from Bourns Inc., a globally recognized leader in electronic component manufacturing. This comprehensive guide delves into every aspect of this high-performance inductor, ensuring engineers and procurement specialists have all the data needed for informed decision-making.
Detailed Product Overview
Manufacturer Credentials
Bourns Inc. has built a 75-year reputation for excellence in electronic components. The SDR0805-120ML maintains their tradition of quality, currently listed as Active in their product line with stable production availability.
Technical Classification
- Big Category: Inductors, Coils, Chokes
- Small Category: Fixed Inductors
- Type: Drum Core, Wirewound Construction
In-Depth Technical Specifications
Core Electrical Parameters
| Parameter | Value |
|---|---|
| Inductance | 12 H 20% |
| Current Rating | 2A continuous |
| Saturation Current | 3A |
| DC Resistance (DCR) | 80m max |
| Q Factor | 25 @ 2.52MHz |
| Self-Resonant Frequency | 20MHz |
Physical Characteristics
- Dimensions: 7.8mm 7.8mm 5.3mm (L W H)
- Mounting: Surface Mount (SMD)
- Core Material: High-grade Ferrite
- Shielding: Unshielded design
Performance Analysis
Frequency Behavior
The inductor demonstrates optimal performance in the 1kHz-20MHz range, with:
- Minimal core losses at operating frequencies
- Stable inductance up to 20MHz SRF
- Excellent Q factor of 25 at 2.52MHz
Thermal Characteristics
Rated for -40 C to +125 C operation, making it suitable for:
- Industrial automation systems
- Automotive electronics
- High-temperature environments
Comparative Advantages
Against Competing Inductors
- Space Efficiency: 30% smaller footprint than comparable 12 H inductors
- Current Handling: Higher saturation current (3A) than similar-sized alternatives
- Manufacturing Consistency: Tight 20% tolerance ensures design reliability
Application Scenarios
Primary Use Cases
- Switch-Mode Power Supplies: Output filtering in DC-DC converters
- RF Circuits: Impedance matching in 2.4GHz/5GHz applications
- EMI Suppression: Noise filtering in digital circuits
- Automotive Electronics: CAN bus filtering and sensor circuits
Design Considerations
When implementing the SDR0805-120ML:
1. Maintain 0.5mm clearance from heat sources
2. Use thermal relief pads for high-current applications
3. Consider unshielded nature in EMI-sensitive designs
Purchasing Information
Availability and Packaging
Available through:
- Bourns authorized distributors
- Major electronic component suppliers
Standard packaging options include:
- Tape and reel (3000 pieces/reel)
- Cut tape (100 pieces)
Lifecycle Status
Currently in active production with:
- Minimum 12-month lead time guarantee
- Last-time-buy notifications expected 6 months before EOL
Technical Support Resources
Bourns provides:
- SPICE models for circuit simulation
- Application notes for power supply designs
- Thermal characteristic graphs
Conclusion: Why Choose SDR0805-120ML?
The SDR0805-120ML represents an optimal balance of:
- Compact SMD packaging
- Robust current handling
- Stable high-frequency performance
- Industrial-grade reliability
For engineers designing power electronics, RF systems, or noise-sensitive applications, this Bourns inductor delivers proven performance with the backing of one of the industry's most trusted manufacturers.
Ready to specify the SDR0805-120ML? Contact our technical sales team today for samples, pricing, and design support.