| Model |  XLN3640-GL |  XLN3640 |  1692 |  1682A |  1680 |  1667 |  1666 |  1665 |
| Description | Programmable DC Power Supply, 0-36V GPIB LAN | Programmable DC Power Supply, 0-36V, 40A, USB | DC Power Supply, Switch Mode, Single Output, 3-15V, 40A, Digital Display | DC Power Supply, 13.8V, 12A | DC Power Supply, Fixed Output, 13.8V, 6A | Switching DC Power Supply, Single Output, 1-60V, 0-3.3A, Digital Display | Switching DC Power Supply, Single Output, 1-40V, 0-5A, Digital Display | Switching DC Power Supply, Single Output, 1-19V, 0-10A, Digital Display |
| Output (Volts) | 0-36V | 0-36V | 3-15V or 13.8V fixed | | | 1-60V | 1-40V | 1-19V |
| Output (Amps) | 0-40A | 0-40A | 40A | 15A peak | 6A peak | 0-3.3A | 0-5A | 0-10A |
| Ripple & Noise | ≤ 5mVrms, ≤ 60mVpp ≤ 90mA | ≤ 5mVrms, ≤ 60mVpp ≤ 90mA | <= 10mVrms | <= 10mVrms | <= 10mVrms | <=20mV | <=20mV | <=20mV |
| Metering | | | Dual Digital | None | None | Dual Digital | Dual Digital | Dual Digital |
| Manufacturer's Warranty | 3-Years | 3-Years | 1-year | 1-year | 1-year | 1-year | 1-year | 1-year |