Model 1666

1665 Series

1-40V, 5A Switching DC Power Supply

Price: $389 / 1 yr Warranty

Name Qty Last Updated
DIGI-KEY 17 2026-10-08
TESTEQUITY 3 2026-10-08
MOUSER ELECTRONICS 2 2026-10-07

Overview

The 1665, 1666, and 1667 switching DC power supplies use new switching technologies to offer more power at a lower cost than traditional linear power supplies.

  • Constant voltage (CV) operation
  • Constant current (CC) operation (current limiting)
  • Bright easy-to-read LED displays
  • Overvoltage protection

Models

Product Max Voltage Max Current Max Power Number of Outputs Interface MSRP
1665 20 V 10 A 200 W 1 $389
1666 40 V 5 A 200 W 1 $389
1667 60 V 3 A 198 W 1 $389

Documents

Documentation

Software

Accessories

TL 30

30A Hook-up Cable Set

TL 30

30 Amp test leads that are ideal for bench power supply applications that require clip termination such as battery charging. Note that the spade lug connector will not connect to power supplies with banana only jacks. The power supply must have a threaded binding post.

  • #10 Spade Lug to Large 3" Battery Clips
  • Jaws open to 0.75" (19 mm)
  • 30A rating
  • Black and Red pair
  • Approximate overall length 30" (0.75m)

MSRP: $25
TLPWR31

100 cm Premium Spade Connector Test Lead Set

TLPWR31

High quality red and black cable dual diameter spade connectors for connecting to power supplies or DC loads.

  • Length: 1 meter
  • Rated current: 30 A
  • Connectors: 6/4 mm Spade lug
  • Wire material: flexible silicon jacket

MSRP: $61
TLPWR32

200 cm Premium Spade Connector Test Lead Set

TLPWR32

High quality red and black cable dual diameter spade connectors for connecting to power supplies or DC loads.

  • Length: 2 meter
  • Rated current: 30 A
  • Connectors: 6/4 mm Spade lug
  • Wire material: flexible silicon jacket

MSRP: $76

Additional Materials

Name

Description
Power_Supply_SelectGuide_2026.pdf
Power Supply Selection Guide