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HQA
DC/DC brick module for the toughest operating conditions
These DC-DC converters, developed for the toughest operating conditions, deliver 85 - 120W output power with output voltages from 5V to 48V. The HQA120 modules are fully encapsulated and operate over an extremely wide input voltage range of 9 or 18 to 40VDC. Short-term voltage peaks of up to 50VDC cannot harm the modules. The DC/DC converters are predestined for use under extreme temperature fluctuations in mobile outdoor applications. Tests based on MIL-STD-833 & 202 also qualify the modules for use in military applications. The operating temperature range extends from -40°C to +115°C in the standard version and even from -55°C to +115°C in the top version. In addition to a remote sense, all models also offer a remote ON/OFF function. The overcurrent limitation on the output side and the overvoltage protection are reset automatically.
- Standard ¼ brick format (quarter brick)
- 9-40, 18-40VDC input range
- Up to 92% efficiency
- Operation at temperatures up to 115°C (baseplate) possible
- Robust, encapsulated housing
- No optocouplers used
- Modules are already extensively pre-tested
TDK-Lambda offers a very wide variety of powerful, robust and flexible power supplies and modules for power supplies. Whether classic industrial power supplies, DIN rail power supplies or on-board power supply solutions from the socket to the POL with AC/DC front ends, intermediate bus converters, isolating DC/DC brick converters and non-isolating POL converters.
