Keithley’s Series 2400 Source Measure Unit (SMU) Instruments are designed specifically for test applications that demand tightly coupled sourcing and measurement. All SourceMeter models provide precision voltage and current sourcing as well as measurement capabilities. Each SourceMeter SMU instrument is both a highly stable DC power source and a true instrument-grade 6½-digit multimeter. The power source characteristics include low noise, precision, and readback. The multimeter capabilities include high repeatability and low noise. The result is a compact, single-channel, DC parametric tester. In operation, these instruments can act as a voltage source, a current source, a voltage meter, a current meter, and an ohmmeter. Manufacturers of components and modules for the communications, semiconductor, computer, automotive, and medical industries will find the SourceMeter SMU instruments invaluable for a wide range of characterization and production test applications.
Key Features:
- Five instruments in one (IV Source, IVR Measure)
- Five models: 20–100 W DC, 1000 W pulsed, 1100 V to 1 µV
- Source and sink (4-quadrant) operation
- 0.012% basic measure accuracy with 6½-digit resolution
- 2-, 4-, and 6-wire remote V-source and measure sensing
- 1700 readings/second at 4½ digits via GPIB
- Pass/Fail comparator for fast sorting/binning
- Programmable DIO port for automation/handler/prober control (except 2401)
- Standard SCPI GPIB, RS-232 and Keithley Trigger Link interfaces
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Keithley’s Standard Series 2400 Source Measure Unit (SMU) Instruments offer four-quadrant precision voltage and current source/load coupled with measurement. Each SMU instrument is both a highly stable DC power source and a true instrument-grade 6½-digit multimeter. The power source characteristics include low noise, precision, and readback. The multimeter capabilities include high repeatability and low noise.
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| Keithley 2400 Standard Series SMU |
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| Model | Touchscreen | Channels | Max Current Source/Measure Range | Max Voltage Source/Measure Range | Measurement Resolution (Current / Voltage) | Power |
| 2401 | No | 1 | 1A | 20V | 1pA / 100nV | 20 W |
| 2400 | No | 1 | 1A | 200V | 1pA / 100nV | 20 W |
| 2420 | No | 1 | 3A | 60V | 10pA / 100nV | 60 W |
| 2410 | No | 1 | 1A | 1100V | 1pA / 100nV | 20 W |
| 2440 | No | 1 | 5A | 40V | 10pA / 100nV | 50 W |
| Specifications |
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| Keithley 2400 Standard Series SMU |
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| Ordering Information |
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| Model | Description |
| 2400 | 200V, 1A, 20W SourceMeter SMU Instrument |
| 2401 | 20V, 1A, 20W SourceMeter SMU Instrument |
| 2410 | 1100V, 1A, 20W SourceMeter SMU Instrument |
| 2420 | 60V, 3A, 60W SourceMeter SMU Instrument |
| 2440 | 40V, 5A, 50W SourceMeter SMU Instrument |
Legacy Products and Suggested Alternatives:
The 2400, 2410, 2420, and 2440 SourceMeter SMU Instruments in this datasheet are classified as “Legacy Products”. They have been succeeded by Keithley’s newer 2400 Series Graphical SourceMeter SMUs with improved and greater performance. For new applications and designs, Keithley recommends you consider using the newer graphical models. The table provides a list of suggested graphical models for new applications and designs.
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| Legacy Products and Suggested Alternatives |
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| Legacy Model | Model Type | Graphical Model |
| 2400 | Basic/ Standard | 2450 |
| 2410 | High Voltage | 2470 |
| 2420 | High Current | 2460 or 2461 |
| 2440 | High Current | 2460 or 2461 |
