Keen to track down a DC-DC converter that's serious about boosting safety? This one from Traco Power's your answer. It takes an input ranging between 18 and 36V DC and steps it down to a carefully regulated 5V DC that's just what you need to charge battery-supplied equipment. As the unit comes with both supplementary and reinforced insulation, you can trust it's extra safe for demanding applications like transportation. Isolation to 4kV DC and continuous short-circuit cover take protections even further, shielding you and any connected kit from the harmful effects of surge voltages or current faults.

• Built-in EMI filter on inputs means you can expect reliable EMC performance
• 0.5% line regulation and 1% load regulation give you close control of input and output values
• Works without a hitch in an operating temperature range from -40°C to +85°C

• Instrumentation
• Medical devices
• Process control and automation

This DC-DC converter boasts an efficiency rating of 78%. That means it wastes little energy as heat and can rely on natural convection to keep it cool. As a result, you won't need to fit a fan or a heatsink.