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DIN Rail Mount Power Supplies come in compact packages.

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DIN Rail Mount Power Supplies come in compact packages.
DIN Rail Mount Power Supplies come in compact packages.

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December 30, 2013 - Deliveringup to 91% efficiency, DRB series operates fromuniversal input of 85–264 Vac and offers 4 output power levels from 15–100 W. Nominal output voltages are 5 V, 12–15 V, 24–28 V, or 48 Vdc. Supplied in 18–45 mm wide plastic cases, products mount on TS35/7.5 or TS35/15 DIN rail, offerno load power consumption from <0.3 to<0.5 W, and withstand input voltage surges of 300 Vac for 5 sec. Typical ripple and noise is <40 mV, while hold-up time is up to 20 msec at 100 Vac input.

Original Press Release

TDK Corporation
13-1, Nihonbashi 1-chome, Chuo-ku
Tokyo, , 103-8272

Power Supply Product; High Efficiency DIN Rail Mount Power Supplies Feature Compact Sizes

TDK Corporation announces the introduction of the TDK-Lambda DRB series of DIN rail power supplies for low power applications that require less space on the mounting rail.

Designed to support the growing trend for simple and economic DIN power solutions in industrial, building automation and process control applications, the DRB series combines low cost and extremely compact dimensions with industry leading efficiency of up to 91%. No load power consumption is between <0.3W and <0.5W depending on the model type.

“Customers are demanding DIN rail power supplies that can deliver high reliability in smaller packages” states David Norton, VP Marketing for TDK-Lambda Americas. “We believe that these are the smallest products of their kind on the market.”

Housed in a robust plastic case, the DRB series offer a narrow design, ranging from 18mm to 45mm, saving vital space on the DIN rail. The smallest model measures just 18mm x 75mm x 90mm (DRB15-24-1); all DRB models will mount on either a TS35/7.5 or TS35/15 DIN rail offering engineers a flexible option for various applications. In addition, they have been rigorously tested for shock and vibration while mounted onto the rail.

The supplies operate from a universal input of 85~264Vac and have EN61000-3-2 compliance, enabling worldwide use; moreover, they can withstand input voltage surges of 300Vac for 5 seconds. The DRB series is available with 4 output power levels ranging from 15 – 100W and nominal output voltages of 5V, 12-15V, 24-28V or 48Vdc.

The supplies can operate at full load over a wide temperature range of -10 to +55C (+70C for 15W model). Typical ripple and noise is below 40mV and a green LED indicates DC OK. Other features include over-current, over-voltage protection and a hold-up time of up to 20ms at 100Vac input voltage, full load.

The DRB series is approved to UL508 safety standard for industrial control equipment. Further safety approvals include IEC/EN 60950-1 (2nd Ed.) and UL/CSA 60950-1. CE marked in accordance with the LV Directive, EMC Directive and RoHS Directive, the power supplies are designed to meet EN55022 and CISPR22 Class B for conducted and radiated EMI, and come with a three-year warranty.

More information can be obtained at the following TDK-Lambda Americas website,, or by calling 800-LAMBDA-4. Product availability for the DRB series can be found via the link to TDK-Lambda’s distributor network (see “Check Distributor Stock to Buy”) at

Major applications
• Industrial, building automation and process control applications

Main features and benefits
• Compact size utilizing less space on the DIN rail
• High efficiency
• Low off-load power consumption

Major specifications
Model DRB15 DRB30 DRB50 DRB100
Input Voltage Range - 85 to 264Vac (300Vac 5 sec)
Nominal output voltage Vdc Vdc 5, 12-15, 24-28 & 48V (Model dependant)
Efficiency (Typ.) % 90% (24V Model, 230Vac Input)
Maximum output power W 15 W 30W 50 W 100W
Cooling - Convection cooling
Operating temperature C -20 to +70C. (DRB30-100, de-rate linearly to 50% load above 55C)
Safety - UL60950-1, CSA22.2 60950-1, EN60950-1, UL508
Size (W x H x D) mm 18 x 75 x 90 21 x 75 x 90 30 x 75 x 90 45 x 75 x 100
Warranty - Three years

About TDK Corporation
TDK Corporation is a leading electronics company based in Tokyo, Japan. It was established in 1935 to commercialize ferrite, a key material in electronic and magnetic products. TDK's portfolio includes electronic components, modules and systems* marketed under the product brands TDK and EPCOS, power supplies, magnetic application products as well as energy devices, flash memory application devices, and others. TDK focuses on demanding markets in the areas of information and communication technology and consumer, automotive and industrial electronics. The company has a network of design and manufacturing locations and sales offices in Asia, Europe, and in North and South America. In fiscal 2013, TDK posted total sales of USD 9.1 billion and employed about 80,000 people worldwide.

* The product portfolio includes ceramic, aluminum electrolytic and film capacitors, ferrites, inductors, high-frequency components such as surface acoustic wave (SAW) filter products and modules, piezo and protection components, and sensors.

About TDK-Lambda Corporation
TDK-Lambda Corporation, a group company of TDK Corporation, is a leading global power supply company providing highly reliable power supplies for industrial equipment worldwide. TDK-Lambda Corporation meets the various needs of customers with our entire range of activities, from research and development through to manufacturing, sales, and service with bases in five key areas, covering Japan, Europe, America, China, and Asia.

For more details, please pay a visit to

Contacts for regional media
Region Contact Phone Mail
Americas David Norton TDK-Lambda Americas
(619) 575 4400
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