Model Nomenclature

• PXIe: PXI Express high‑speed modular instrumentation bus.

• 41: Denotes the precision SMU series.

• 41: Indicates a 4‑channel, ±10 V, ±100 mA configuration with 10 pA sensitivity, enhanced SourceAdapt, and faster sampling than the 4140NI.

Technical Specifications

Basic Parameters

• Form Factor: 3U single‑slot PXIe module

• Channels: 4 independent channels (bank‑isolated 60 VDC CAT I to ground, common LO)NI

• Voltage Range: ±10 V (min. step 0.1 mV)

• Current Range: ±100 mA, 5 auto‑ranging scales: 100 mA / 10 mA / 1 mA / 100 µA / 10 µAdownload.ni.com

• Power per Channel: 1 W (source/sink)

• Current Sensitivity: 10 pA (10 µA range)NI

• Sampling Rate: Up to 600 kS/s (simultaneous V/I)NI

• Update Rate: Up to 100 kS/sNI

Electrical Performance

• Voltage Accuracy: ±0.02% of range + 20 µV

• Current Accuracy: ±0.03% of range + 10 pA (10 µA range)NI

• Remote Sense: 4‑wire with guard (eliminates IR drop)NI

• Output Impedance: Programmable

• Protection: Overvoltage, overcurrent, overtemperature, reverse polarity

Environmental & Mechanical

• Operating Temperature: 0 °C to 55 °C (23 °C ±5 °C for rated accuracy)

• Storage Temperature: -40 °C to 70 °C

• Humidity: 10%–70% (non‑condensing)

• Warm‑Up Time: 30 minutes (for full accuracy)

• Calibration Interval: 1 year (recommended)

• Connector: 25‑pin D‑Sub (male)

• Dimensions: 20 mm × 130 mm × 216 mm

• Weight: 425 g

Interface and Communication Configuration

• Bus: PXIe Gen1, plug‑and‑play for Windows

• Control Software: NI‑MAX, InstrumentStudio

• Programming Environments: LabVIEW, LabWindows/CVI, C++, Python (NI‑DCPower driver v1.6+)NI

• Triggering: PXI trigger lines 0–7 (hardware sync)

• Synchronization: Multi‑module triggering, sequence linking

• Isolation: 60 VDC channel‑to‑ground (CAT I)NI

Core Features

• 10 pA Ultra‑High Sensitivity: Enables leakage, sub‑threshold, and nano‑device measurements unattainable with standard SMUsNI.

• Four‑Quadrant Operation: Bi‑directional sourcing/sinking (±10 V, ±100 mA) for true DC characterizationNI.

• SourceAdapt Technology: Programmable transient response to stabilize any load, minimize overshoot, and protect sensitive DUTsNI.

• 4‑Wire Remote Sense with Guard: Eliminates wiring resistance and common‑mode errors in low‑current setupsNI.

• High‑Speed Sequencing: Hardware‑timed I‑V sweeps, pulses, and multi‑channel sync up to 100 kS/sNI.

• Multi‑Mode Operation: Single‑point, sequence, and advanced sequencing modesNI.

Application Scenarios

• Semiconductor & Nano‑Device Test: MOSFET sub‑threshold, diode leakage, organic semiconductors, 2D materials, and quantum device characterizationNI.

• High‑Pin‑Count ATE: SoCs, FPGAs, and multi‑channel components requiring pA‑level precisionNI.

• Precision Component Test: Resistors, capacitors, sensors, and MEMS with ultra‑low current requirementsNI.

• Aerospace & Defense: Avionics, radar, and high‑reliability component validationNI.

• Battery & Energy Storage: Low‑capacity cells, supercapacitors, and fuel cell testingNI.

Usage and Maintenance Instructions

Installation & Configuration

Daily Maintenance

Safety & Calibration