--- title: "Model PCX-7500-EX | Air-Cooled High Power Current Source" date: 2025-05-01T02:11:19Z modified: 2026-02-25T23:51:10Z permalink: "https://www.berkeleynucleonics.com/pcx-7500-ex/" type: page status: publish excerpt: "" wpid: 28525 --- [ ![](https://www.berkeleynucleonics.com/wp-content/uploads/banner_configurator_laser_diodes.png) ](/laser-diode-drivers-and-modules-standard-and-custom-versions-available) [](https://www.berkeleynucleonics.com/wp-content/uploads/pcx-7500-ex.png) ![Air-Cooled High Power Current Source PCX-7500-EX](https://www.berkeleynucleonics.com/wp-content/uploads/pcx-7500-ex.png) - [ Quote ](/get-quote/?interested_product=PCX-7500-EX%20Air-Cooled%20High%20Power%20Current%20Source) - [ Contact ](/contact-us/) - [ Datasheet ](#technical-resources-section) - [ Price List ](/access-pricelist/) #### PCX-7500-EX Air-Cooled High Power Current Source The PCX-7500-EX delivers precise, high-current pulse control for driving laser diodes, bars, and arrays in demanding applications—combining power, flexibility, and ease of use in an air-cooled package. - Output current: 10 A – 450 A (adjustable) - Compliance voltage: variable (high compliance for series-connected loads) - Pulse width: 4 µs – 5,000 µs - Pulse repetition rate (internal): 8 Hz – 10,000 Hz - Air-cooled design for reliable high-power operation ##### Intuitive front-panel interface: - Color QVGA LCD for real-time display of current setpoint, pulse width, frequency, and fault messages ##### Simple controls for fast setup - Computer interfaces: RS-232, USB, Ethernet (full remote/automated control) - Store/recall up to 4 system configurations in non-volatile memory - Low-impedance strip-line output cable preserves pulse fidelity - Safety interlock: output disabled if connector is removed ##### External trigger via front-panel BNC: - Selectable input impedance: 50 Ω or 10 kΩ Sync output: TTL pulse aligned to leading edge of current pulse (active for internal or external trigger) ##### [Features](#features-section) ##### [Specifications](#specifications-section) ##### [Tech Resources](#technical-resources-section) ##### [Media](#media-section) ##### [Downloable Resources](#downloadable-section) ##### [Price List](#pricelist-section) #### Overview ##### Features - Output current from 10 A to 450 A - Output voltage is variable - Rise and fall times less than 15 µs - Intuitive color touch screen control - Shipped with RS-232, USB and Ethernet computer interfaces ##### Applications - 10 A to 450 A output current adjustable following a simple safe operating table - Different compliance voltages available depending on the model of the PCX-7500 - Simple to use touch screen operation - Four system configurations may be stored in internal non-volatile memory - Complete computer control via RS-232, USB or Ethernet interfaces - A low impedance strip line output cable is provided - Internal or external triggering - Current and voltage monitor BNC connections #### Specifications Compliance Voltage Variable Max Current Amplitude 450 A Rise/Fall Time 10 μs Max Frequency 10 kHz Pulse Engine (Trigger) External, Internal Remote Control Ethernet, RS232, USB Form Factor Benchtop, Rackmount Cooling Forced Air Polarity Positive Pulse Width 4 μs to 5,000 μs Maximum Output Power Up to 1000 W, depends on model Shipping Dimensions 26 x 26 x 14 Shipping Weight 48 lbs #### Technical Resources [ PCX-7500-EX Datasheet](https://www.berkeleynucleonics.com/download/28531/?tmstv=1778700940)#### Downloadable Resources Downloadable resources such as datasheets, firmware, software, drivers and products manuals. Alternatively, you can browse resources directly by visiting our [downloads page](/downloads). - [Product Datasheets](/downloads#tm-datasheets) - [Product Firmware](/downloads#rf-firmware) - [Product Software and Drivers](/downloads#rf-softwaredrivers) - [Product Manuals](/downloads#tm-manuals) #### Media ## Playlist ![DEI Quick Tip Determining The Maximum Load capacitance for the PVX-4100 Series of High Voltage Pulse](https://img.youtube.com/vi/Jyl0qSgaxBw/maxresdefault.jpg) #### DEI Quick Tip Determining The Maximum Load capacitance for the PVX-4100 Series of High Voltage Pulse 4:44 ![DEI Quick Tip Using the PVX-4100 Series With a Single HV Input](https://img.youtube.com/vi/uD6CLN-AEpc/maxresdefault.jpg) #### DEI Quick Tip Using the PVX-4100 Series With a Single HV Input 2:17 ![High Voltage Power Supply & Pulse Generator Webinar! What You Need to Know](https://img.youtube.com/vi/E8cJDr2VDRM/maxresdefault.jpg) #### High Voltage Power Supply & Pulse Generator Webinar! What You Need to Know 44:38 ![Lessons from the Lab: PVX Bias](https://img.youtube.com/vi/nx2aWyoPJkI/maxresdefault.jpg) #### Lessons from the Lab: PVX Bias 4:17 #### Price Lists [ Berkeley Nucleonics Price List 2026](https://www.berkeleynucleonics.com/download/19881/?tmstv=1778700940) [ ![](data:image/svg+xml;charset=utf-8,%3Csvg xmlns%3D'http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg' viewBox%3D'0 0 1105 100'%2F%3E) ](https://academy.berkeleynucleonics.com/)