The National Instruments 782856-02, also known as the PXIe-4139, is a high-performance PXI Source Measure Unit (SMU) engineered for diverse testing applications. This unit features 4-quadrant operation and delivers a maximum DC power output of 40 W, accommodating a variety of voltage and current requirements. The device supports DC voltage ranges of ±600 mV, ±6 V, and ±60 V, with current ranges extending from 1 μA to 10 A (pulse mode only), making it highly versatile for testing components such as integrated circuits, power management integrated circuits (PMICs), radio frequency integrated circuits (RFICs), light-emitting diodes (LEDs), and optical transceivers.

The NI 782856-02 is equipped with high-resolution analog-to-digital converters, facilitating precise measurements with current resolution capabilities as low as 100 fA. It offers high-speed data acquisition rates of up to 1.8 MS/s and includes SourceAdapt technology to enhance transient response. The unit provides outstanding programming and measurement accuracy across voltages and currents, with resolutions of 100 nV in the 600 mV range and 10 μV in the 60 V range, alongside a current measurement accuracy of 0.03% + 100 pA within its full operational range.

In pulsed operation, the 782856-02 excels with a minimum pulse cycle time of 25 μs/W, supporting maximum voltage and current levels of 50 V and 10 A, respectively, with a typical maximum on-time of 1 ms. This functionality enables effective testing under various operational conditions.

With an operating temperature range of 0 °C to 55 °C and a storage range of -40 °C to 71 °C, the unit adheres to stringent international standards for shock, vibration, and humidity, ensuring reliability in challenging testing environments. Furthermore, it meets essential electromagnetic compatibility and safety standards, making it a robust choice for industrial applications.

The compact design of the 782856-02, measuring 2.0 cm × 13.0 cm × 21.6 cm (0.8 in. × 5.1 in. × 8.5 in.) and weighing 427 g (15.1 oz.), enhances its usability in various setups and configurations. Supported by a warranty of 2 to 3 years, the NI 782856-02 stands as a comprehensive solution for precision testing in the field of industrial automation and control systems.