The Chroma 63303 is a high-speed DC electronic load module designed for demanding engineering testing and automated test equipment (ATE) applications. It integrates seamlessly with Chroma 6332A and 6334A mainframes, offering a configurable solution for various testing needs. The 63303 module supports multiple operating modes, including constant current (CC), constant voltage (CV), constant resistance (CR), and constant power (CP). Its design prioritizes speed and precision, featuring a 16-bit measurement circuit for real-time voltage and current monitoring. Enhancements for automated testing include synchronized paralleling capabilities for transient response testing and high-speed data transfer for efficient querying of parameters.
### Technical Specifications
* **Model:** Chroma 63303
* **Type:** DC Electronic Load Module
* **Power Rating:** 300W
* **Voltage Range:** 0-80V
* **Current Range:** 0-60A
* **Dual Current Range Operation:** Supported
* **Minimum Operating Voltage:**
* 0.4V @ 30A / 0.8V @ 60A
* 0.4V @ 30A / 0.8V @ 60A (Low range not explicitly stated for 63303A, but implied by series specifications)
* 0.5V @ 6A / 0.5V @ 60A (typical)
* 1V @ 60A
* Capable of sinking 60A at 1V
* **Operating Modes:**
* Constant Current (CC)
* Constant Voltage (CV)
* Constant Resistance (CR)
* Constant Power (CP)
* **Measurement Precision:** 15-bit or 16-bit measurement circuit
* **Dynamic Loading Speed:** Up to 20kHz
* **Programmable Slew Rate:** Up to 10A/µs
* **Synchronized Paralleling:** Supported for dynamic loading and high power solutions
* **Data Transfer:** High-speed data transfer circuits for global queries
* **Input Resistance:** Low input resistance due to FET technology, enabling high current sink at low voltage
* **Protection Features:**
* Over Power Protection (OPP)
* Over Current Protection (OCP)
* Over Voltage Protection (OVP)
* Over Temperature Protection (OTP)
* Reverse Polarity Protection
* Alarm output for OV
* **Measurement Capabilities:**
* Real-time measurement of voltage and current
* On-line voltage measurement and adjustment
* Short circuit test simulation
* **Self-Diagnosis:** Routine for maintaining instrumental performance
* **Interfaces:**
* GPIB (Optional)
* RS-232
* **Compatibility:** Designed for Chroma 6332A and 6334A System Mainframes
### Why Choose Aumictech for Chroma 63303?
At Aumictech, we specialize in supplying high-end power electronics test equipment. Whether you need precise DC load emulation for product validation, reliable testing solutions for power supplies and converters, or robust equipment for automated test systems, our team ensures the Chroma 63303 delivers maximum performance for your application.

















