The Keysight B2902A is a precision 2-channel Source/Measure Unit (SMU) designed for highly accurate current and voltage sourcing and measurement. Offering 100 fA/100 nV measurement resolution and 6.5-digit capabilities, it supports up to 210 V and 3 A DC (or 10.5 A pulsed) sourcing, making it ideal for semiconductor characterization, I-V testing, and active component evaluation.
Specifications
General
| Parameter | Value |
|---|---|
| Interfaces | GPIB (IEEE-488.2), USB 2.0 (Host & Device), LAN (100BASE-TX/10BASE-T, LXI Class C) |
| Display | 4.3" Color TFT LCD, 480 x 272 pixels |
Physical
| Parameter | Value |
|---|---|
| Power Supply | 90 V to 264 V AC, 47 Hz to 63 Hz, 250 VA maximum |
| Operating Temperature | 0 °C to 55 °C |
| Dimensions (W×H×D) | 213 mm × 88 mm × 348 mm (without handle and bumpers) |
| Weight | 6.4 kg |
| Cooling | Forced air |
Core Performance
| Parameter | Value |
|---|---|
| Number of Channels | 2 |
| Maximum Output Voltage | ±210 V |
| Maximum Output Current (DC) | ±3.03 A |
| Maximum Output Current (Pulsed) | ±10.5 A |
| Maximum Output Power | 31.8 W (per channel) |
Source Capabilities
| Parameter | Value |
|---|---|
| Source Voltage Programming Resolution | 1 µV (on 200 mV range) |
| Source Current Programming Resolution | 1 pA (on 100 nA range) |
| Voltage Source Ranges | 200 mV, 2 V, 20 V, 200 V |
| Current Source Ranges | 100 nA, 1 µA, 10 µA, 100 µA, 1 mA, 10 mA, 100 mA, 1 A, 1.5 A, 3 A |
Measurement Capabilities
| Parameter | Value |
|---|---|
| Measurement Resolution (Voltage) | 100 nV (on 200 mV range) |
| Measurement Resolution (Current) | 100 fA (on 100 nA range) |
| Voltage Measurement Ranges | 200 mV, 2 V, 20 V, 200 V |
| Current Measurement Ranges | 100 nA, 1 µA, 10 µA, 100 µA, 1 mA, 10 mA, 100 mA, 1 A, 1.5 A, 3 A |
| Measurement Digits | Up to 6.5 digits |
| Maximum Digitizing Rate | 100,000 points/second (10 µs minimum sampling interval) |
Pulse Mode
| Parameter | Value |
|---|---|
| Minimum Programmable Pulse Width | 50 µs |
Connectivity
| Parameter | Value |
|---|---|
| Sensing Connection | 2-wire (local) or 4-wire (remote) Kelvin sensing |
| Digital I/O Port | 14-pin configurable trigger/digital I/O |
| Front Panel Connectors | Banana jacks |
| LXI Compliance | LXI Core 2011 Device Specification |
User Interface & System
| Parameter | Value |
|---|---|
| Data Buffer Size | 100,000 points (per channel) |
| Command Set Compatibility | SCPI (default), Keithley 2400 emulation mode |
| Warm-up Time | 40 minutes |
Physical & Environmental
| Parameter | Value |
|---|---|
| Storage Temperature Range | -30 °C to 70 °C |
| Operating Humidity Range | 30% to 80% RH (non-condensing) |
| Maximum Operating Altitude | 2,000 m |
| Safety Standards Compliance | IEC61010-1, EN61010-1 |
| EMC Compliance | EN61326-1, EN55011 Class A |
Safety & Isolation
| Parameter | Value |
|---|---|
| Maximum Voltage between LO and Chassis | ±250 V DC |
Source/Measurement Capabilities
| Parameter | Value |
|---|---|
| Maximum Sweep Steps | 100,000 points |
| Source Modes | DC, Pulsed, Sweep (Linear, Log, Double Linear, Double Log, List) |
Performance
| Parameter | Value |
|---|---|
| Basic Voltage Accuracy | ±0.015% |
| Basic Current Accuracy | ±0.02% |
User Interface
| Parameter | Value |
|---|---|
| Display Resolution | 480 × 272 pixels |
Performance & Guarding
| Parameter | Value |
|---|---|
| Guard Offset Voltage | ±4 mV |
| Maximum Guard Current | 3 mA |
| Sense Input Impedance | > 10 GΩ |
| Maximum Force to Sense Voltage | ±2 V |
Measurement & Timing
| Parameter | Value |
|---|---|
| Integration Time Range | 0.01 to 100 PLC |
Front Panel Features
| Parameter | Value |
|---|---|
| USB Host Port | USB 2.0 Type A (Front Panel) |
Rear Panel I/O
| Parameter | Value |
|---|---|
| Interlock Connection | Dedicated 3-pin connector |
Functionality
| Parameter | Value |
|---|---|
| View Modes | Single View, Dual View, Graph View |
Technology
Source/Measure Unit (SMU)
Applications
Semiconductor testing, I-V characterization, active component evaluation, and precision power sourcing