250nH, 78A, 1109 Power Inductor, Power Bead Inductor
PB1109R25MS
Shielded SMD Power Inductor, General Grade
250nH, 78A, 1109 High Current Power Bead Inductor PB series utilizes a ferrite drum core construction for effective magnetic shielding, feature 0705, 1005, 1007, 1012, 1109 and 1308 size and maximum current up to 95A. Application in server and desktop, GPU, CPU, DC to DC converters in distributed power systems, multi-phase VCORE regulators and voltage regulator modules (VRMs).
Product Features
- Large current handling capability
- Lower DCR
- Shielded construction
- Operating temp.: -40°C ~ +125°C (including self-temperature rise)
Product Applications
- Multi-phase and VCORE regulators
- Voltage Regulator Modules (VRMs)
| Product Category | Power Inductor - Power Bead Inductor | Tolerance | ±20% |
| Part Number | PB1109R25MS | RDC (Ω) | 0.00048 |
| Grade | General | Isat. (A) | 78 |
| Length (mm) | 11.5 | Irms. (A) | 45 |
| Width (mm) | 11.5 | Operating temp.°C (LOW) | -40 |
| Height (mm) | 9 | Operating temp.°C (HIGH) | 125 |
| Inductance (µH) | 0.25 |
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Power Bead PB1109 Series Datasheet
Include dimensions, electrical characteristics and curve diagrams for your reference
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How can you reduce power loss and thermal dissipation in your multi-phase voltage regulator designs?
The PB1109R25MS power bead inductor features an exceptionally low DCR of 0.00048Ω combined with shielded ferrite drum core construction, minimizing power losses and electromagnetic interference in your server and GPU power management circuits. With 78A saturation current and optimized thermal performance, you can achieve higher efficiency and lower operating temperatures in demanding VRM and distributed power applications. Partner with ABC ATEC to integrate proven inductor solutions that enhance your design performance.
ABC ATEC's 45 years of specialized expertise in inductor design and manufacturing, combined with IATF16949 Quality Certification, ensures that the PB1109R25MS delivers consistent, reliable performance for mission-critical power management applications. The shielded molded construction minimizes electromagnetic interference while the lower DCR reduces power losses, directly contributing to improved system efficiency and thermal management. Whether you're designing next-generation server power supplies, high-performance computing modules, or advanced voltage regulation systems, our customized inductor solutions provide the precision engineering and quality assurance your applications demand. Contact ABC ATEC today to discuss how our power bead inductors can optimize your power management design and accelerate your product development timeline.



