Description
Testing a transistor means biasing more than one terminal at once. The Keysight B2912C source measure unit gives you two independent channels for that job. Each one reaches 210 V and 3 A DC, and current resolution goes down to 10 fA. Lost in HCM lists it for rental and sale, so a lab can borrow it for a study or keep it on the bench.

Two channels, one synchronized setup
Each channel is a four-quadrant source and meter. Because both sit in one box, you can sweep a gate and a drain together without extra synchronization. The same pair also drives differential and dual-device I-V work, such as matched sensors.
Keysight B2912C source measure unit key figures
| Item | Value |
|---|---|
| Channels | 2 |
| Maximum voltage | 210 V per output |
| Maximum current | 3.0 A DC or 10.5 A pulse per output |
| Minimum resolution | 10 fA current, 100 nV voltage |
| Maximum sample rate | 100 kSa/s |
| Minimum sampling interval | 10 microseconds |
Waveforms and fast capture
The unit generates arbitrary waveforms, so a test can follow a profile instead of a fixed step. Digitizing at up to 100 kSa/s then captures how the device responds. In addition, the minimum resolution reaches 10 fA for current and 100 nV for voltage. That level suits low-leakage parts.
Who uses a dual-channel SMU
Teams use the Keysight B2912C source measure unit for transistor, IC and semiconductor parameter testing. It also covers battery, photovoltaic and sensor research, so a university lab can share it across projects. Automated component screening and production test fit as well. A graphical display handles quick checks, while SCPI compatibility and the included PC software cover scripted runs.
Plan both channels in the quote
Count the leads, adapters and fixtures for each channel, not just one. Next, request a quote from Lost in HCM and say whether you want to rent or buy. A rental suits a study with a fixed end date, while a purchase suits a permanent bench. Compare other units in the source measure unit category, check the Keysight site or contact SMK Vietnam. Then ask for the Keysight B2912C source measure unit by model code.
B2912C questions
Do both channels offer the same limits?
The listing gives 210 V and 3.0 A DC or 10.5 A pulse per output, so each channel has the same ceiling.
Can it generate waveforms?
Yes, because arbitrary-waveform generation is listed as a capability.
Does it come with software?
The listing mentions included PC software, so confirm the version in your quote.















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