CUS-M Series

Stop Deliberating, Start Designing: Choose TDK-Lambda Medical Power for Unshakeable Confidence

Undecided on your medical power supply? Choose decisive confidence with TDK-Lambda. For your critical medical devices, from 30 W to 1,500 W, we don't just meet standards, we build your peace of mind directly into every unit.

Imagine effortlessly navigating regulatory hurdles. Our power supplies are rigorously certified to IEC/EN/ES 60601-1 3rd and 4th editions, featuring robust 2xMOPP isolation and ultra-low leakage current options, ensuring uncompromised patient safety and BF-rated compliance. With over 40 years pioneering medical power, TDK-Lambda delivers superior EMC performance that silences interference worries, streamlining your path to market.

Don't let power supply selection be a bottleneck. Our high-efficiency designs, spanning convection, fan, and conduction-cooled options in diverse form factors (including Class II), offer proven longevity backed by 5-year warranties. This translates to a genuinely low cost of ownership and steadfast reliability. Partner with TDK-Lambda via Digi-Key for world-class technical support and accelerate your innovation with power solutions engineered for life.

Product offering & attributes

• Assured Patient Safety: Certified to IEC/EN/ES 60601-1 3rd/4th Ed. with 2 x MOPP isolation and low leakage current options (including BF), prioritizing patient well-being
• Accelerated Certification: Pre-approved medical safety and superior EMC performance simplify your device's regulatory pathway
• Exceptional Reliability: Benefit from over 40 years of medical design heritage and a 5-year warranty guaranteeing long-term, dependable operation
• Optimized Performance: High efficiency reduces heat, while diverse form factors (convection, fan, conduction cooled) and Class II options offer maximum design flexibility
• Reduced Cost of Ownership: Durable designs and proven reliability ensure a long operational life and minimize field failures
• Global Compliance: Products meet worldwide medical standards, facilitating easier global market access for your equipment.

• CUS30M/60M
• CUS150M
• CUS250M
• CUS350MP-1000
• CUS400M
• CUS500M1
• CUS600M
• CUS800M/1000M

Single Output 30 W - 60 W Medical and ITE Power Supplies

Stop compromising on safety or size for your low-power medical and ITE designs. TDK-Lambda's CUS30M (30 W) and CUS60M (60 W) series uniquely combine full medical IEC/EN/ES 60601-1 (2 x MOPP) and ITE 62368-1 certifications in a compact 2" x 3" footprint. Unlike many competitors, these units offer genuine Class II operation capability and meet stringent Class B EMI without external filtering, simplifying both safety isolation and compliance testing. Designed for convection cooling, they provide silent, reliable power, ideal for patient care environments and noise-sensitive equipment. Get best-in-class safety, performance, and ease of integration in a miniature package with CUS30M/CUS60M.

Features

• 30 W to 60 W Convection Cooled: Provides silent operation, ideal for medical and noise-sensitive applications
• Medical Certifications (2 x MoPP): Suitable for B and BF type medical equipment
• Class B Conducted and Radiated EMI: Simplifies compliance journey
• Suitable for Class I and Class II (no earth) Installations: Flexible utilization
• Compact 2" x 3" Footprint: Industry-standard size saves critical space in small medical and ITE devices
• Enclosure, Mounting and Connection Options: Diverse range of application fits

2" x 4" 150 W AC-DC Power Supplies

Introducing the CUS150M series by TDK-Lambda, a groundbreaking power supply solution that combines compact design with unparalleled performance. Engineered to meet the demands of medical, industrial, and broadcast applications, the CUS150M delivers up to 150 watts of power with remarkable efficiency. Its versatile design allows for seamless integration, ensuring your systems run smoothly and reliably. With global safety certifications and a robust build, this power supply is not just a component but a cornerstone of innovation and reliability. Elevate your projects with the CUS150M, where cutting-edge technology meets exceptional quality, ensuring your operations are always powered to perfection.

Features

• Up to 150 W Utilizing Convection or Conduction Cooling: Quiet operation & reliability
• Operation in Ambient Temperatures of up to 85°C: Suitable for high temperature environments
• Medical Certifications (2 x MoPP): Suitable for B and BF type medical equipment
• Class B Conducted and Radiated EMI: Simplifies compliance journey
• Suitable for Class I and Class II (no earth) Installations: Flexible utilization
• Compact 2" x 4" x 1.24" Size: Space saving footprint
• Enclosure & Cooling Options (U channel, Cover and Top Fan): Versatile range of application fits

2" x 4" 250 W AC-DC Power Supplies

Step into the future of power supply technology with the CUS250M series from TDK-Lambda. Designed to deliver up to 250 watts of reliable power, this compact and efficient solution is perfect for medical, industrial, and broadcast applications. The CUS250M series combines cutting-edge energy efficiency with a versatile design, ensuring seamless integration into your systems. With global safety certifications and robust construction, it guarantees uninterrupted performance even in demanding environments. Elevate your operations with the CUS250M series, where innovation meets reliability, empowering your projects to reach new heights of excellence.

Features

• Up to 250 W Utilizing Convection or Conduction Cooling: Quiet operation
• Operation in Ambient Temperatures of up to 85°C: Suitable for high temperature environments
• Medical Certifications (2 x MoPP): Ready for B and BF type medical equipment
• Class B Conducted & Radiated EMI with Significant Margins: Easier system EMC compliance
• Suitable for Class I and Class II (no earth) Installations: Versatile utilization
• Compact 2" x 4" x 1.56" Size: Small, space saving footprint
• Enclosure & Cooling Options (U channel, Cover and Top Fan): Diverse application fits
• EN60335-1 Compliant: Ideal fro household and similar electrical appliances

350 W / 500 W Medical Power Supply with 1000 W Peak Capability

Powering life-critical medical devices with challenging, dynamic loads requires more than just a standard supply. The TDK-Lambda CUS350MP is engineered precisely for this, delivering 350 W (convection) or 500 W (forced air) continuous power, coupled with an unrivaled 1000 W peak capability. This means you can reliably power motors, pumps, and other high-surge components without oversizing your power supply, saving space and cost. Fully certified to medical IEC/EN/ES 60601-1 (2 x MOPP, BF ready) with ultra-low leakage current, the CUS350MP ensures patient safety and accelerates your regulatory approvals. Choose peak performance and certified safety your medical device demands.

Features

• Up to 350 W Convection Cooled or 500 W With External Airflow: Low audible noise
• High Peak Power Rating up to 800 W (5s) or 1,000 W (1s): Size and cost reductions compared to continuously rated products
• Medical Certifications (2 x MoPP): Suitable for B and BF type medical eqiment
• Class B Conducted and Radiated EMI: Easier system EMC compliance
• Suitable for Class I and Class II (no earth) Installations: Versatile utilization
• Compact 3.46" x 7.2" x 1.73" (88 mm x 183 mm x 44 mm) Package: Space saving in end equipment
• Five Year Warranty: Low cost of ownership

3" x 5" 400 W AC-DC Power Supplies

Stop struggling to fit bulky power supplies into your critical medical or ITE equipment. The TDK-Lambda CUS400M delivers a robust 400 W in an industry-standard 3" x 5" footprint, offering exceptional power density. Engineered with dual certification to the latest medical (2 x MOPP) and ITE standards, it streamlines your compliance efforts. Benefit from flexible cooling options – 250 W convection or 400 W with forced air – and impressive peak power capability, perfect for dynamic loads. Choose CUS400M for reliable, high-performance power that simplifies your design and accelerates time to market.

Features

• High Power Density: Up to 400 W in a compact 3" x 5" footprint saves valuable system space
• Flexible Cooling: Delivers 250 W convection/conduction cooled or 400 W with forced air, adapting to thermal design needs
• Dual Certification: Medically certified (IEC/EN/ES 60601-1, 2 x MOPP) & ITE approved (IEC/EN/UL 62368-1) for broad application uses
• Extended Peak Power: Handles up to 400 W peaks for extended periods, perfect for loads with high surge demands
• Simplified EMC: Designed for Class B conducted and radiated EMI, easing system-level compliance efforts.
• Versatile Installation: Suitable for both Class I and Class II (no earth wire) applications
• Multiple Options: Available with various mechanical configurations and signal options (standby voltage, remote sense, etc.)

3" x 5" 500 W AC-DC Power Supplies

Designing compact medical systems with rigorous safety and performance demands? Look no further than TDK-Lambda's CUS500M1 series. Delivering a powerful 500 W in the industry-standard 3" x 5" footprint with up to 96% efficiency, it offers exceptional power density. What truly differentiates it is the simultaneous medical (2xMOPP, BF ready) and ITE (62368-1) certifications, plus built-in compliance to demanding EMC/Immunity standards like IEC60601-1-2 Edition 4. With flexible Class I and Class II operation capability and integrated Class B EMI, the CUS500M1 provides unparalleled safety, compliance, and design freedom in a compact package.

Features

• High Power Density: 300 W (500 W peak) convection cooled, 500 W with forced air
• Flexible Cooling: Delivers 300 W convection or 500 W with forced air - allows for adaptable thermal solutions (utilizing sytem air or integrated fan)
• Dual Certification: Medically certified (IEC/EN/ES 60601-1, 2 x MOPP) & ITE approved (IEC/EN/UL 62368-1) for broad application uses
• Integrated Class B EMI: Meets stringent emission standards without external filtering, saving space and cost
• Class I/II Operation: Provides design flexibility for different system grounding requirements
• Compact 3" x 5" x 1.46" Size: Space saving in end equipment

3" x 5” 600 W AC-DC Power Supplies

Unlock unprecedented power density and design flexibility with TDK-Lambda’s CUS600M and CUS600M1 series. Delivering up to 600 W in a standard 3" x 5" footprint – a level few others achieve – these power supplies are uniquely certified to both stringent medical (IEC 60601-1, 2 x MOPP) and ITE (62368-1) standards. This dual compliance, along with Class I/II operation and integrated Class B EMI, drastically simplifies your certification process. Benefit from flexible 400 W convection or 600 W forced-air cooling, plus 600 W peak power capability, all backed by a 5-year warranty. Power your next high-performance medical or ITE device with the compact, certified power leader.

Features

• Leading Power Density: 400 W (600 W peak) convection cooled allows for quiet operation
• Flexible Cooling: Delivers 400 W convection or 600 W with forced air - allows for adaptable thermal solutions (utilizing sytem air or integrated fan)
• Dual Certification: Medically certified (IEC/EN/ES 60601-1, 2 x MOPP) & ITE approved (IEC/EN/UL 62368-1) for broad application uses
• Integrated Class B EMI: Meets stringent emission standards without external filtering, saving space and cost
• Class I/II Operation: Provides design flexibility for different system grounding requirements
• Compact 3" x 5" x 1.46" Size: Space saving in end equipment
• Multiple Options: Available with various mechanical configurations and standard features for design versatility

3.3" x 6.7" 680 W to 1,000 W AC-DC Power Supplies

Stop the scroll! Tired of medical power supplies that force a trade-off between compact design, robust power, and critical low-noise operation? The CUS800M and CUS1000M series finally delivers the ‘no compromise’ solution. Imagine packing up to 1000 W into an incredibly slim 3.3” x 6.7” footprint – that’s class-leading power density to dramatically shrink your next medical or dental device. But exceptional size and power are just the start. These units boast full 2 x MOPP medical certifications and Class B EMI for streamlined compliance, coupled with an intelligent low-noise fan (as low as 30dBA) that's vital for patient-proximate applications. With up to 95.5% efficiency minimizing thermal headaches, this CUS-M series accelerates your design, de-risks your project, and enhances your end-product's appeal. Get the power you need, in the size you want, with quiet performance you demand.

Features

• Breakthrough Power Density: Delivers 680 W to 1000 W from an ultra-compact 3.3” x 6.7” x 1.67” unit, enabling significantly smaller and lighter medical equipment designs without sacrificing power
• Simplified Medical Compliance: Certified to IEC/EN/ES 60601-1 (2xMOPP, suitable for B and BF type), drastically reduces compliance burden and time-to-market
• <250uA Leakage Current: Simpler system compliance
• Integrated Class B Conducted & Radiated EMI: Meets stringent emission standards without external filtering, saving space and cost
• Enhanced Design Flexibility: Standard 5V/2A standby voltage, remote on/off, remote sense, and Power Good signaling provide essential control and monitoring capabilities for seamless system integration
• Variable Speed Cooling Fan: Lower audible noise
• Patient & Operator Safety Focus: Low leakage current (<250µA) inherently supports safety requirements for medical devices with direct patient contact