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So we’ve made it easy for you to download product Manuals, Datasheets and Downloadable Software which includes Firmware, Drivers, etc. for all our current products, and many discontinued products as well. Just tell us which product you’re using, and we’ll provide you with list of latest documents and resources that you can download.
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Datasheet Literature Number: ReleaseDate KickStart Instrument Control Software Datasheet 
KickStart Software simplifies what you need to know about your instrument so that in just minutes you can take the instrument out of the box and get real data on your device. KickStart Software enables quick test setup and data visualization when …1KW-60965-13 Model 2651A High Power System SourceMeter Instrument 
1KW-73819-0 2657A High Power System SourceMeter SMU Instrument 
1KW-61475-2 Model CA-558 3-Pin Interlock Connector Cable Information 
The Model CA-558 is a 25-pin male D-sub to 3-pin female interlock cable assembly.PA-1044B Model 2657A-PM-200 External Protection Module 
The Model 2657A-PM-200 Protection Module (PM) is a stand-alone module that protects certain lower-voltage source-measure units (SMUs) that are part of a testing configuration from damage by voltage sources that are greater than 220 V.PA-1055B  
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Manuals Manual Type Part Number: ReleaseDate Model 2651A High Power System SourceMeter Instrument Reference Manual 
Primary User 2651A-901-01C Model 4299-6 Full-Rack Single-Unit Rack-Mount Kit 
User Manuals PA-1024D Model 2657A High Power System SourceMeter Instrument Quick Start Guide 
User Manuals 2657A-903-01C Keithley Instruments Software and Documentation Downloads 
Document that provides descriptions of some of the software, drivers, and documentation that is available on the website.User Manuals 071352702 Model 2651A High Power System SourceMeter Instrument Quick Start Guide 
The Model 2651A High Power System SourceMeter Instrument Quick Start Guide provides unpacking instructions, describes basic connections, reviews basic operation information, and provides a quick test procedure to ensure the instrument is operational.Primary User 2651A-903-01C Keithley Instruments Safety Precautions 
Safety Precautions PAUser Manuals 071341102 Model CA-558 3-Pin Interlock Connector Cable 
Model CA-558 3-Pin Interlock Connector Cable User ManualUser Manuals PA-1044B Model 2657A-PM-200 Protection Module User's Guide 
Model 2657A-PM-200 Protection Module User's Guide User ManualPrimary User PA-1055B Model 2657A High Power System SourceMeter Instrument Reference Manual 
MODEL 2657A HIGH POWER SOURCEMETER INSTRUMENT REFERENCE MANUAL User Manual2657A-901-01B Model 2657A High Power System SourceMeter Instrument User's Manual 
Primary User 2657A-900-01A Model 2651A High Power System SourceMeter Instrument User's Manual 
User ManualUser Manuals 2651A-900-01A  
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Technical Documents Document Type ReleaseDate MOSFET Testing System Flyer 
Learn more about integrated measurement systems for comprehensive characterization of power MOSFETs and other devices. Keithley Parametric Curve Tracer (PCT) systems offer a complete solution for high voltage (± 3kV) C-V measurements. System …Fact Sheet Testing High Power Semiconductor Devices from Inception to Market 
Introduction This primer examines the life cycle of a power semiconductor device and the tremendous variety of test and characterization activities and measurement challenges faced by the engineers involved in each stage …Primer Challenges in GaN HEMT Power Device DC Characterization 
GaN HEMT devices are very fast and efficient and have a unique structure and performance, but oscillation is one of the primary challenges with high frequency devices during the DC characterization. This application note discusses the oscillation …Application Note Battery Cycling Test and Automation Considerations 
This application note describes battery charge and discharge methods as well as applied pulsed current to better represent real world load scenarios. Example programs for automating battery cycling phases are also provided.Application Note Power MOSFET Device I-V Characterization Using KickStart Software 
Introduction As electrical power consumption continues to evolve in our industries, more power is required to be effectively converted in different ways. The power MOSFET (Metal Oxide Semiconductor Field Effect Transistor) is a key …Application Note Boost Test Automation with On-Instrument Scripting - What is TSP? 
Introduction Like many instrument operators, you may have a comfortable preference toward SCPI as the foundation for your instrument automation needs. If, however, you are looking for a means to reduce your test time and cost and are …Application Note DC I-V Characterization of MOSFET Devices Using KickStart Software 
Learn or review the details of some of the most common types of device transfer and characterization tests applied to metal oxide semiconductor field effect transistors (MOSFETs). This application note also presents itself as a graphic guide for how …Application Note Model 2651A High Power System SourceMeter Instrument Specifications 
Document number SPEC-2651AG Specifications are subject to change without notice. SPECIFICATION CONDITIONS This document contains specifications and supplemental information for the Model 2651A High Power System SourceMeter™ instrument …Specification New High Power Semiconductor Devices are Pushing Instrumentation to Extremes 
Introduction The power electronics market, driven by new wide bandgap (WBG) semiconductor devices is expected to grow by a 4.3% compounded annual growth rate (CAGR) through 2025 to a level around $22B. Power transistors are expected …Technical Brief Pulsed I-V Characterization of MOSFETs Using Keithley KickStart Software 
Introduction Manufacturers of transistor devices tend to start their design prototype evaluations to yield characteristic information, while still working in their research and design labs. While straight DC testing is …Application Note Pulsed Characterization of HBLEDs Using Keithley KickStart Software 
This application note discusses the reasons why pulse-based testing might be beneficial for a semiconductor device and details the application of pulsed test for high-brightness LEDs. Specifics are provided for using Keithley KickStart Software to …Application Note Source Measure Unit (SMU) Instruments Selector Guide 
MAKE MULTIPLE MEASUREMENTS ACCURATELY USING A SINGLE INSTRUMENT A source measure unit (SMU) instrument is a five-in-one tool. It combines the useful features of a digital multimeter (DMM), power supply, current …Product Selector Guide Testing Power Semiconductor Devices with Keithley High Power System SourceMeter SMU Instruments and ACS Basic Edition Software 
Keithley’s SourceMeter Source Measure Unit (SMU) instruments give both device test engineers and power module design engineers the tools they need to make the measurements they require. Whether they’re familiar with curve tracers, semiconductor …Product Article Model 2657A High Power System SourceMeter Instrument Specifications 
This document contains specifications and supplemental information for the Model 2657A High Power System SourceMeter instrument. Specifications are the standards against which the Model 2657A is tested.Specification How to Transition Code to TSP from SCPI 
Introduction For many years, instrument manufacturers have used "Standard Commands for Programmable Instrumentation" (SCPI) to control programmable test and measurement devices in test systems. The goal of SCPI is to provide a uniform and …Application Note How to Write Scripts for Test Script Processing (TSP) 
Introduction This application note introduces scripting with Keithley's Test Script Processor (TSP) technology and its most powerful and enticing features. With scripting, programs and code can be loaded directly onto an instrument and run locally …Application Note Evolving Materials and Testing for Emerging Generations of Power Electronics Design 
Transitioning from silicon to wide bandgap semiconductors such as silicon carbide and gallium nitride means that power module designs can be physically smaller than what came before, while also increasing MOSFET switching …Technical Brief Source Measure Units - Save Time, Space and Money and Make Multiple Measurements Accurately Using a Single Instrument 
Make Multiple Measurements Accurately Using a Single Instrument All While Saving Space, Time and Money Do you use a power supply or digital multimeter? How about an electronic load …Brochure FOUR KEY TESTS: Validating MOSFET Performance in Power Supply Designs 
FOUR KEY TESTS: Validating MOSFET Performance in Power Supply DesignsPoster Achieving Fast Pulse Measurements for Today's High Power Devices - Application Brief 
Application Note Creating Multi-SMU Systems with High Power System SourceMeter Instruments Application Note 
Application Note Techniques for Proper and Efficient Characterization, Validation, and Reliability Testing of Power Semiconductor Devices 
Fact Sheet Touch, Test, Invent with the Next Generation Current and Voltage Source-Measure Instruments 
Fact Sheet Testing a New Switch Mode Power Supply Design Poster 
Get a quick overview of the key measurements for verifying a new switch mode power supply (SMPS) design. This poster shows key measurements, from verifying your prototype during initial startup, to optimizing switching loss and magnetic losses, to …Poster Using the Arbitrary Waveform Capabilities of the Series 2600B and Series 2650A System SourceMeter SMU Instruments to Perform Ford EMC Power Cycling Testing 
Introduction Arbitrary waveform generators are very flexible instruments capable of outputting voltage waveforms of virtually any shape. These instruments are quite useful because they provide a controlled method of recreating the varying …Application Note Understanding Essential Tools and Techniques for Power Conversion Efficiency Testing 
Fact Sheet Testing High Brightness LEDs under Pulse Width Modulation Using the Model 2651A High Power SourceMeter Instrument 
Application Note Understanding Power Testing Applications for Today's Automobiles 
Brochure Power Testing Applications for Today's Automobiles 
Brochure Optimizing Reliability Testing of Power Semiconductor Devices and Modules 
Application Note Understanding Control Systems and Communications for Today's Automobiles 
Fact Sheet Test Methods for Automobile Communication and Control Systems 
Fact Sheet Maximize Speed and Throughput for Semiconductor Measurements 
Poster Maximize Speed and Throughput for Semiconductor Measurements Using Source Measure Units (SMUs) 
Poster E-Handbook to Understanding Electrical Test and Measurement 
Introduction Welcome to Keithley's Guide to Understanding Electrical Test and Measurement. For over 60 years, Keithley testand measurement instruments have provided measurements ranging from the most basic to very complex. In all …Fact Sheet E-Guide: Re-Inventing High Power Semiconductor and Device Characterization 
Fact Sheet Power Device Testing Solutions for Design Validation, Characterization, and Reliability 
Fact Sheet New Materials and Devices E-Guide 
Brochure How to Choose and Apply Source Measure Unit SMU Instruments 
Application Note How to Choose and Apply Source Measure Unit SMU Instruments 
Application Note How to Choose and Apply Source Measure Unit SMU Instruments 
Application Note Choosing the Optimal Source Measurement Unit Instrument for Your Test and Measurement Application (also Applicable to Series 2600B) 
Whitepaper End-to-End Power Test and Measurement Solutions 
Fact Sheet VDS Ramp and HTRB Reliability Testing of High Power Semiconductor Devices 
Application Note Low Current/ High Resistance Measurement Selector Guide 
Low Current/ High Resistance Measurement Selector Guide - 2013 CatalogProduct Selector Guide New Breed of Semiconductors Demands New Breed of Semi Characterization and Test Solutions 
Technical Article Demand for Higher Power Semi Devices Will Require Pushing Instrumentation to New Extremes 
Technical Article The Next Big LED Testing Challenge: High Power LED Modules 
Whitepaper Source Meters Selection Guide 
Product Selector Guide Source Measurement Unit (SMU) Instruments Simplify Characterizing a Linear Voltage Regulator's DC Performance 
Technical Article Minimizing Cable-Induced Measurement Errors in High Current Applications 
Technical Article Rapidly Expanding Array of Test Applications Continues to Drive Source Measurement Unit Instrument Technology (also Applicable to Series 2600B) 
Whitepaper KeithleyCare Plans - Cut Cost; Reduce Downtime; Protect Your Investment 
Brochure Accurate, Cost-Effective High Brightness LED Testing Starts with Device Fundamentals 
High brightness light emitting diodes (HBLEDs) combine high output and high efficiency with long lifetimes. Manufacturers are developing devices that offer higher luminous flux, longer lifetimes, greater chromaticity, and …Technical Article Testing to 100A by Combining Keithley Model 2651A High Power SourceMeter Instruments (Application Note) 
Introduction Source-measure units (SMUs), such as the Keithley Model 2651A High Power System SourceMeter instrument, are the most flexible and most precise equipment for sourcing and measuring current and voltage. Because of …Application Note Breakthrough Capabilities and Unmatched Performance for Characterizing and Testing High Power, High Current Electronics 
Fact Sheet Measuring Pulsed Waveforms with the High Speed Analog-to-Digital Converter in the Model 2651A High Power System SourceMeter Instrument 
Application Note  
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Software Document Type Part Number: ReleaseDate KickStart Instrument Control Software version 2.11.1 
KickStart Software for the PC enables quick test setup and data visualization when using one or more instruments. Key Features • Save time by automating data collection of millions of readings. • Set up a multi-instrument test with the ability to …Application KICKSTART-2.11.1 Keithley I/O Layer version C10 (Windows 11, 10, 8, 7 Compatible) 
Keithley I/O Layer version C10 (KIOL-850C10 adds support for Windows 10 and 11 Operating Systems and installs NI-VISA Runtime 17.5 and NI-ICP 17.0. This release replaces previous versions of KIOL-850B07, KIOL-850C02, KIOL-850C03, KIOL-850C04, KIOL …Application KIOL-850C10 Test Script Builder Software Suite Version J05 (Windows 11, 10, 8, 7, Vista Compatible) 
Keithley Instruments Test Script Builder (TSB) is a software tool that simplifies building and creating test scripts. It includes built-in color coding, debugging tools, and error handling. You can use TSB to perform the following operations:- Send …Application KTS-850J05 KickStart Instrument Control Software version 2.11.0 
KickStart Software for the PC enables quick test setup and data visualization when using one or more instruments. Key Features • Save time by automating data collection of millions of readings. • Set up a multi-instrument test with the ability to …Application KICKSTART-2.11.0 Series 2650A Firmware and Release Notes - V1.2.0 
Series 2650A Firmware v1.2.0 and Release NotesChanges in this release:The embedded web applications (Reading Buffers, Flash Upgrade, TSB Embedded) which relied on an outdated and unsupported version of Java have been re-implemented using modern web …Firmware 2650A-850SV1.2.0 Test Script Builder Software Suite Version J04 (Windows 10, 8, 7, Vista Compatible) 
Test Script Builder Software Suite Version J04 (Windows 10, 8, 7, Vista Compatible)Application KTS-850J04 IVI-COM Driver for Series 2600A/2600B System SourceMeters (KE26XXA IVI-COM Driver v1.9.0.0) 
New Ke26XXA IVI Driver version 1.9.0.0 for 2600A/2600B Series Models (added support for new model 2601B-PULSE).Driver 2600A-IVI-1.9.0 Test Script Builder Software Suite Version J03 (Windows 10, 8, 7, Vista Compatible) 
"Keithley Instruments Test Script Builder (TSB) is a software tool that simplifies building and creating test scripts. It includes built-in color coding, debugging tools, and error handling. You can use TSB to perform the following operations: …Application KTS-850J03 Keithley Sequence Tools Library 
This is a TSP script that installs support for list sweeps with an arbitrary mix of voltage and current steps on Series 2600B and 2650A SMU instruments.Application 2600B-SEQUENCE-V1.00 Series 2650A Firmware and Release Notes - V1.1.8 
This zip file contains version 1.1.8 of Series 2650A firmware and release notes.Firmware 2650A-FRP-V1.1.8 Test Script Builder Software Suite Version J02 (Windows 10, 8, 7, Vista Compatible) 
"Keithley Instruments Test Script Builder (TSB) is a software tool that simplifies building and creating test scripts. It includes built-in color coding, debugging tools, and error handling. You can use TSB to perform the following operations: …Application KTS-850J02 IVI-COM Driver for Series 2600A/2600B System SourceMeters (KE26XXA IVI-COM Driver v1.8.0.0) 
New Ke26XXA IVI Driver version 1.8.0.0 for 2600A/2600B Series Models (added support for new model 2606B).Driver 2600A-IVI-1.8.0 Series 2650A Firmware and Release Notes - V1.1.6 
This zip file contains version 1.1.6 of Series 2650A firmware and release notes.Firmware 2650A-FRP-V1.1.6 Keithley I/O Layer - version C07 (Windows 8, 7, Vista, and XP Compatible) 
Keithley I/O Layer version C07 (KIOL-850C07 adds a change to only send the :syst:rem command to RS-232 connections This release replaces previous versions of KIOL-850B07, KIOL-850C02, KIOL-850C03, KIOL-850C04, KIOL-850C05, KIOL-850C06). This version …Application KIOL-850C07 2651A Firmware Version 1.01 and Release Notes 
Firmware and release notes version 1.01 for the 2651AFirmware 2650A-850SV1.0.1 Keithley Series 2600/2600A/2600B Native LabVIEW 2009 Instrument Driver version 2.5.0 
Native LabVIEW Driver for 2600, 2600A, 2600B Series v2.5.0 (LabView 2009 or higher) (updated for new 2600B series models)Driver 2600-LV-2.5.0 IVI-COM Driver for Series 2600A/2600B System SourceMeters (KE26XXA IVI-COM Driver v1.4.5.0) 
New Ke26XXA IVI Driver version 1.4.5.0 for 2600A/2600B Series Models(added support for new 2600B series models).Driver 2600A-IVI-1.4.5  
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FAQS FAQ ID Can two Model 2651A be connected in parallel or series? 
A Keithley Model 2651A SourceMeter® Instrument can be connected in both series and parallel with another (and only one other) instrument of the same model number for higher voltages and currents as long as certain important conditions are observed …783013 Can two Model 2657A be placed in parallel to gain higher current? 
The 2657A can be connected in parallel with another 2657A to double the current available. Please make sure that the LO is tied to ground when you are connecting the 2657A in parallel to double the current available. You will need to use the …729096  













