Content last revised on September 10, 2026
7MBR15SA140 Fuji Electric Power Integrated Module: 1400V 15A System Simplification
What is the primary advantage of this PIM? It integrates the converter, inverter, and brake, simplifying PCB layout. The 7MBR15SA140 is a highly integrated 1400V, 15A Power Integrated Module (PIM) by Fuji Electric. It drastically reduces component count for engineers working on strict spacing requirements. Featuring a robust 1400V VCES rating, a compact 15A current capability, and specifically designed for PC Board Mount applications, it minimizes PCB footprint while enhancing overall system reliability. For engineers seeking a single-package solution to handle both AC-DC conversion and regenerative braking, this PIM incorporates a converter diode bridge and a dynamic brake circuit directly into the module. For 400V-class industrial servo drives prioritizing footprint reduction, this 1400V integrated module is the optimal choice.
Key Parameter Overview
Decoding the Specs for Functional Integration
| Functional Block | Parameter | Value |
|---|---|---|
| Inverter Section | Collector-Emitter Voltage (VCES) | 1400V |
| Inverter Section | Continuous Collector Current (IC) | 15A |
| Converter Section | Integration Type | Diode Bridge |
| Brake Section | Integration Type | Dynamic Brake Circuit |
| Physical Specifications | Mounting Style | PC Board Mount |
Download the 7MBR15SA140 datasheet for detailed specifications and performance curves.
Application Scenarios & Value
Streamlining AC and DC Servo Drive Amplifier Design
Engineers designing compact AC and DC Servo Drive Amplifiers constantly face strict volumetric limits. Accommodating separate rectifiers, braking choppers, and inverters consumes valuable PCB layout footprint and complicates thermal routing. The 7MBR15SA140 solves this structural challenge directly. By utilizing a PC Board Mount design that encapsulates the converter diode bridge and the dynamic brake circuit, engineers can dramatically reduce the passive component count surrounding the primary power stage.
In a high-reliability UPS (Uninterruptible Power Supply), switching efficiency is paramount to prolonging battery runtimes. The low VCE(sat) of this 15A module limits conduction losses during standard operation, allowing for smaller, lighter heatsinks. For systems requiring similar integration but with updated revisions, the related 7MBR15SA140-50 offers an excellent alternative. While this 15A model is ideal for compact robotics, for applications demanding a higher current capacity, the 7MBR25SA120 provides a 25A option with comparable integration principles.
Industry Insights & Strategic Advantage
Meeting the Demand for High-Density Power Integration
The industrial transition toward decentralized automation heavily relies on driving more power from smaller enclosures. We observe a strong shift from discrete components toward fully integrated Power Integrated Modules (PIMs). This aligns perfectly with modern IGBT design integration methodologies, where combining multiple power stages reduces parasitic inductance and eliminates potential points of failure at the solder joints.
Understanding the 1400V rating is critical here. Think of this high voltage capacity as an oversized industrial pipeline: it effortlessly absorbs sudden pressure surges (voltage spikes) without bursting, granting your control logic immense safety margins during unstable grid fluctuations. Additionally, the integrated Dynamic Brake Circuit functions much like an automatic pressure relief valve. During rapid motor deceleration, it safely bleeds off hazardous regenerative energy, preventing the DC-link voltage from rising to destructive levels. These integrated safeguards, derived from the proven architecture of Fuji Electric V-Series IGBT technologies, ensure that thermal and electrical stresses remain well within operational boundaries.
Frequently Asked Questions
Answering Key Engineering Concerns
How does the integrated Converter Diode Bridge and Dynamic Brake simplify PCB layout?
By housing the rectification (AC to DC), the inversion (DC to AC), and the braking chopper within a single PC Board Mount package, you eliminate the need to route high-current DC-link traces between separate discrete components. This significantly lowers stray inductance and electromagnetic interference.
Why is a 1400V rating beneficial for a 15A module in standard industrial drives?
In 400V or 480V industrial grid applications, heavy inductive loads can generate severe transient voltage spikes. The elevated 1400V rating ensures the silicon remains outside the avalanche breakdown region during these unpredictable grid events, enhancing long-term operational lifespan.
What makes this PIM specifically suitable for Uninterruptible Power Supply (UPS) applications?
The combination of low VCE(sat) characteristics and the 15A capability minimizes thermal dissipation. This allows UPS designers to achieve stricter energy efficiency targets while maintaining a low-profile heatsink, vital for high-density rack-mounted equipment.
If you are currently evaluating power topologies for your next compact servo amplifier or UPS, our team is ready to supply the technical data you need to proceed. Contact our sales team today to check availability and confirm your design requirements.
