DC Electronic Loads Catalog

Explore the comprehensive range of Keysight DC electronic loads across benchtop, ATE, and modular. They support reliable testing of power devices, regenerative capabilities that efficiently return up to 95% of absorbed energy back to the grid, and scalable solutions for testing a range of DC power sources using one mainframe.

N3300A Series DC Electronic Loads

This 13-page data sheet includes specifications, supplemental characteristics and option descriptions for Keysight DC Electronic Loads Models N3300A-N3307A.

Electronic Load Fundamentals | Keysight

Download this white paper to understand the fundamentals of an electronic load and how to select an electronic load that best fits your test requirements.

Keysight Benchtop DC Electronic Loads

Discover Keysight’s benchtop DC electronic loads, delivering precision power testing with multiple test modes, real-time waveform viewing, intuitive touchscreen control, and remote operation capabilities.

Demonstrate DC Electronic Load Fundamentals

DC electronic loads characterize a power supply’s responses to various load conditions. The N6790 series load provides modes for current, voltage, resistant and power.

Bench DC Electronic Load with Scope Mode

A DC electronic load with two channels and a built-in scope can capture and analyze cross-regulation. Power supplies with multiple voltage rails will have cross-regulation. It is important to characterize the cross-regulation to ensure that it does not affect the device. In the past, this measurement required multiple instruments. Today, a single instrument, the EL34243A bench electronic load with a built-in scope mode, can generate a unique dynamic load and capture the effects on adjacent voltage rails.

EL30000 Series DC Electronic Loads

The EL30000 Series bench DC electronic loads provide superior performance in compact bench form factor. A single and dual-channel model is available with up to 600 W – ideal for design verification of consumer power supplies, batteries, battery modules, solar panels, LED drivers, and power converters.

Zero Volt Electronic Load

Most electronic loads have limited ability to support true zero-volt operation. Keysight electronic loads offer stable operation down to zero volts. Learn more.

EL4900 Series Regenerative DC Electronic Loads

Keysight EL4900 Series: regenerative DC electronic loads with up to 95% energy recovery. Achieve precise, efficient power testing with PathWave automation for faster validation and deeper insights.

EL4900 Series Regenerative DC Electronic Loads

Keysight EL4900 Series: regenerative DC electronic loads with up to 95% energy recovery. Achieve precise, efficient power testing with PathWave automation for faster validation and deeper insights.

Pulsed Characterization of Power Semiconductors Using Electronic Loads

An electronic load eliminates the self-heating problems associated with measuring the on-state voltage drop and transconductance of power semiconductors. Learn more.

BenchVue Electronic Load App

Provides BenchVue software application overview and system requirements.

E36731A Power Supply and Electronic Load

The E36731A Battery Emulator and Profiler is a versatile 2-in-1 instrument that functions both as a power supply and an electronic load. This advanced tool is designed to simulate and analyze battery performance with precision, making it ideal for research, development, and testing of battery-powered devices. Beyond characterizing batteries, the E36731A can also be used to validate regulators for CPUs, assess the behavior of car cranking, and analyze power consumption patterns of wireless devices. With its user-friendly interface and comprehensive features, the E36731A ensures accurate and reliable results for various applications.

Simulating a Direct Current Rectifier in a Data Center

Discover how Keysight high-power ATE system power supplies and regenerative electronic loads enable accurate, repeatable simulation of DC rectifiers—helping data center teams validate efficiency, reliability, and thermal performance under real-world server loads, while reducing costs with regenerative energy return.

DC Power Supplies Catalog

Explore the comprehensive range of Keysight DC power supplies engineered for precise sourcing, measurement, and power simulation. This catalog highlights benchtop, ATE system, modular, and specialty DC supplies across Essential, Advanced, Expert, and Pro performance grades for development, validation, and high‑power test environments.

The Power Handbook

This handbook provides a “one-stop-shop” for basic information on power-related topics and includes an expanded chapter on photovoltaic power and test.

Making Fuel Cell AC Impedance Measurements Using Electronic Loads

Making fuel cell, AC impedance measurements can help identify problems with fuel cell components and identify deviations in the fuel cell assembly process.

Overcoming Electronic Load Low Voltage Limitations

This blog post describes how to use a boost power supply to overcome electronic load current sinking limitations and sink full current down to zero volts.

Increasing dc Power Supply Test System Throughput with N3300A Electric Loads

This product note describes some of the ways this new family of electronic loads can be used to achieve maximumthroughput for your dc power supply test system. Model #: N3300A N3301A N3302A N3303A N3304A N3305A N3306A N3307A

How to Validate Server Power Supply Units

Explore how Keysight high-power ATE system power supplies and regenerative electronic loads deliver safe, accurate, and energy-efficient validation of server PSUs—ensuring stability, efficiency, and compliance under real-world data center conditions.