Overview
The Bourns Inc. SRR1210A‑100M Power Inductor is a shielded surface‑mount power inductor designed for power filtering and energy storage in DC‑DC converters and power rails. It is widely used in embedded systems, IoT power supplies, and industrial controllers, where stable current handling, low DC resistance, and robust energy storage are required to support reliable voltage regulation.
Core Parameters
| Parameter | Specification |
|---|---|
| Series | SRR1210A Shielded SMD Power Inductors |
| Inductance | 10 µH (nominal) |
| Tolerance | ±20% |
| Current Rating | Up to ~6.5 A (depends on specific part in SRR1210A family) |
| DCR | Low resistance to reduce losses |
| Core | Ferrite shielded |
| Operating Temp | –40 °C to +125 °C |
| Package Size | ~12 × 12 × 10 mm |
These parameters make this inductor suitable for power conversion and filtering stages, especially where high current capability and minimal loss in DC‑DC converter input/output stages are critical.
Features
- Shielded ferrite core construction for reduced EMI and compact layout
- Wide inductance range within the SRR1210A series for flexibility in design
- High current handling capability up to several amps in typical parts
- Low DC resistance (DCR) for efficient energy transfer
- RoHS compliant and suitable for automated surface‑mount assembly
- Operating temperature range appropriate for industrial usage
These characteristics make it a strong choice for energy storage and filtering in power supply designs.
Typical Application Scenarios
- DC‑DC buck or boost converter input/output choke to reduce ripple and maintain stable voltage
- Power supply stages for microcontrollers and digital logic
- Embedded IoT power modules with high current demand
- Industrial automation controllers and robotics power subsystems
- Battery‑powered designs where filtering and energy storage are essential
Its combination of high current rating and shielded design supports efficient power management in compact embedded systems.
In power supply designs, MLCCs such as the TAJA105M025RNJ are commonly paired with power inductors like the SRR1210A‑100M to form effective LC filtering networks. This combination ensures stable voltage regulation and low noise performance in DC‑DC converters for IoT devices, embedded systems, and industrial controllers.
Performance Comparison
Within the SRR1210A series of shielded SMD power inductors, the SRR1210A‑100M stands out for:
- Balanced inductance with good current capability for general power filtering
- Shielded construction to minimize electromagnetic interference
- Widely applied series range providing different inductance options without sacrificing the overall footprint
Compared to unshielded inductors, the shielded design provides better EMI performance, making it more suitable for noise‑sensitive embedded systems.
Conclusion
The SRR1210A‑100M is a reliable shielded SMD power inductor designed for use in DC‑DC converter and power filtering stages of embedded applications. Its combination of high current capability, low loss, and compact shielded form ensures robust performance in IoT, industrial, and battery‑powered electronics requiring stable voltage regulation.
Manufacturer Profile
Bourns Inc. is a global manufacturer of electronic components including power inductors, resistors, sensors, and other passive parts used in automotive, industrial, and consumer applications. The SRR1210A series reflects Bourns’ focus on delivering reliable magnetics for power management in modern electronic systems.
FAQ
1. What type of component is the SRR1210A‑100M?
It is a shielded surface‑mount power inductor designed for energy storage and filtering in DC‑DC converters and power rails.
2. Where is this inductor most commonly used?
Applications include power supply filtering, DC‑DC converter stages, IoT power modules, and embedded system power rails requiring low noise and stable voltage.
3. What are the advantages of a shielded power inductor?
Shielded inductors reduce electromagnetic interference (EMI) and are suitable for compact power stages where minimizing coupling and noise is important.
4. How can I verify the quality of the SRR1210A‑100M described in this blog?
7SEtronic follows a complete quality inspection SOP, including label verification, visual inspection, and X‑RAY testing, ensuring authenticity and reliability in your embedded design.
For more information and to review our available inventory, please contact our team for detailed pricing, current stock levels, and any additional technical support you may need.
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