Model 1665

1-19.99V, 9.99A Switching DC Power Supply

Price: $389 / 1 yr Warranty

Name Qty Last Updated
FARNELL 6 2025-07-30
NEWARK 6 2025-07-30
TEST EQUIPMENT DEPOT (FOTRONIC) 1 2025-07-30
RS Americas 1 2025-07-30
TESTEQUITY 2 2025-07-30
MOUSER ELECTRONICS 2 2025-07-28

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

Description

Version

Download

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
CT3752-100

Banana Plug Test Lead

CT3752-100

UL Listed 4mm Straight Sheathed Banana Plug to Straight Sheathed Banana Plug Test Lead pair, Black and Red. Highly flexible silicone jacketed test lead wire.

  • Banana Contact: BeCu, Nickel Plt.
  • Available in 3 standard lengths
  • Available in Black and Red Pair

MSRP: $18
CT3752-150

Banana Plug Test Lead

CT3752-150

UL Listed 4mm Straight Sheathed Banana Plug to Straight Sheathed Banana Plug Test Lead pair, Black and Red. Highly flexible silicone jacketed test lead wire.

  • Banana Contact: BeCu, Nickel Plt.
  • Available in 3 standard lengths
  • Available in Black and Red Pair

MSRP: $20
CT3752-200

Banana Plug Test Lead

CT3752-200

UL Listed 4mm Straight Sheathed Banana Plug to Straight Sheathed Banana Plug Test Lead pair, Black and Red. Highly flexible silicone jacketed test lead wire.

  • Banana Contact: BeCu, Nickel Plt.
  • Available in 3 standard lengths
  • Available in Black and Red Pair

MSRP: $22
CT3803-30

Lead, Med. Allig - Shth P - SILIC 0.82, B/R Pair

CT3803-30

The CT3803-60 is a versatile pair of test leads featuring medium-size, fully insulated alligator clips ideal for general-purpose testing and temporary connections. Designed for reliability and flexibility, each lead is constructed with 0.82 mm² (18 AWG) silicone wire for excellent performance in both lab and field applications. The flexible silicone jacket resists heat and wear, making it a durable choice for engineers, technicians, and educators. These leads are color-coded in black and red for clear polarity identification and are ideal for test benches, prototyping, and service diagnostics.

Features:

  • Medium Alligator Clips: Secure, insulated grips for safe and reliable temporary connections
  • Silicone Jacketed Wire: 0.82 mm² conductor with high-flexibility and resistance to abrasion and heat
  • Dual-Color Pair: Includes one red and one black lead for easy polarity identification
  • Convenient Length: 60 cm (23.6 in) for compact and efficient bench setups

Applications:

  • Prototyping and Breadboarding: Perfect for fast setup and teardown of test circuits
  • Service and Diagnostics: Useful for connecting to components, terminals, or wire bundles during troubleshooting
  • Educational Labs: Durable and safe for repetitive use in classroom environments
  • General Test & Measurement: A go-to lead set for any technician or engineer’s toolbox

MSRP: $12
CT3803-60

Lead, Med. Allig - Shth P - SILIC 0.82, B/R Pair

CT3803-60

The CT3803-60 is a versatile pair of test leads featuring medium-size, fully insulated alligator clips ideal for general-purpose testing and temporary connections. Designed for reliability and flexibility, each lead is constructed with 0.82 mm² (18 AWG) silicone wire for excellent performance in both lab and field applications. The flexible silicone jacket resists heat and wear, making it a durable choice for engineers, technicians, and educators. These leads are color-coded in black and red for clear polarity identification and are ideal for test benches, prototyping, and service diagnostics.

Features:

  • Medium Alligator Clips: Secure, insulated grips for safe and reliable temporary connections
  • Silicone Jacketed Wire: 0.82 mm² conductor with high-flexibility and resistance to abrasion and heat
  • Dual-Color Pair: Includes one red and one black lead for easy polarity identification
  • Convenient Length: 60 cm (23.6 in) for compact and efficient bench setups

Applications:

  • Prototyping and Breadboarding: Perfect for fast setup and teardown of test circuits
  • Service and Diagnostics: Useful for connecting to components, terminals, or wire bundles during troubleshooting
  • Educational Labs: Durable and safe for repetitive use in classroom environments
  • General Test & Measurement: A go-to lead set for any technician or engineer’s toolbox

MSRP: $13
CT3805-100

Banana Plug Test Lead

CT3805-100

Pair of 4mm Right-Angle Sheath Banana Plug to Insulated Alligator Clip Test Leads, Black and Red. Highly flexible silicone jacketed test lead wire.

  • Banana Contact: BeCu, Nickel Plt.
  • Alligator Clip: Steel, Nickel Plt.
  • Jaws open to 0.31" (7.9 mm)
  • Available in 3 standard lengths
  • Black and Red pair

MSRP: $15
CT3805-30

Banana Plug Test Lead

CT3805-30

Pair of 4mm Right-Angle Sheath Banana Plug to Insulated Alligator Clip Test Leads, Black and Red. Highly flexible silicone jacketed test lead wire.

  • Banana Contact: BeCu, Nickel Plt.
  • Alligator Clip: Steel, Nickel Plt.
  • Jaws open to 0.31" (7.9 mm)
  • Available in 3 standard lengths
  • Black and Red pair

MSRP: $12
CT3805-60

Banana Plug Test Lead

CT3805-60

Pair of 4mm Right-Angle Sheath Banana Plug to Insulated Alligator Clip Test Leads, Black and Red. Highly flexible silicone jacketed test lead wire.

  • Banana Contact: BeCu, Nickel Plt.
  • Alligator Clip: Steel, Nickel Plt.
  • Jaws open to 0.31" (7.9 mm)
  • Available in 3 standard lengths
  • Black and Red pair

MSRP: $13
CT4450-100

Double Banana Plug to BNC Male, Cable Assembly

CT4450-100

Although the molded double plug (MDP) is a classic design, their usage in test and measurement is universal and timeless. They are usable with most all major pieces of test equipment such as Power Supplies, Loads, DMMs, and Function Generators, to name just a few. Molded of durable, flame-retardant Polypropylene (PP), the ergonomic MDP body is easy to handle and connect. The CT4450 uses RG58C/U, 50 Ω coaxial cable.

MSRP: $16
CT4451-100

Double Banana Plug to Double Banana Plug Male, Cable Assembly

CT4451-100

Although the molded double plug (MDP) is a classic design, their usage in test and measurement is universal and timeless. They are usable with most all major pieces of test equipment such as Power Supplies, Loads, DMMs, and Function Generators, to name just a few.

Molded of durable, flame-retardant Polypropylene (PP), the ergonomic MDP body is easy to handle and connect. The CT4451 uses RG58C/U, 50 Ω coaxial cable.

MSRP: $20
CT4452-100

BNC to Stacking Banana Plug, Cable Assembly

CT4452-100

Although the molded double plug (MDP) is a classic design, their usage in test and measurement is universal and timeless. They are usable with most all major pieces of test equipment such as Power Supplies, Loads, DMMs, and Function Generators, to name just a few.

Molded of durable, flame-retardant Polypropylene (PP), the ergonomic MDP body is easy to handle and connect. The CT4452 uses RG58C/U, 50 Ω coaxial cable.

MSRP: $20
CT4453-100

BNC to Retractile Sheathed Stacking Banana Plug, Cable Assembly

CT4453-100

Although the molded double plug (MDP) is a classic design, their usage in test and measurement is universal and timeless. They are usable with most all major pieces of test equipment such as Power Supplies, Loads, DMMs, and Function Generators, to name just a few.

Molded of durable, flame-retardant Polypropylene (PP), the ergonomic MDP body is easy to handle and connect. The CT4453 uses RG58C/U, 50 Ω coaxial cable.

MSRP: $20
CT4454-100

Double Banana Plug to Stacking Banana Plug, Cable Assembly

CT4454-100

Although the molded double plug (MDP) is a classic design, their usage in test and measurement is universal and timeless. They are usable with most all major pieces of test equipment such as Power Supplies, Loads, DMMs, and Function Generators, to name just a few.

Molded of durable, flame-retardant Polypropylene (PP), the ergonomic MDP body is easy to handle and connect. The CT4454 uses RG58C/U, 50 Ω coaxial cable.

MSRP: $26
CT4455-100

Double Banana Plug to Retractile Sheathed Stacking Banana Plug, Cable Assembly

CT4455-100

Although the molded double plug (MDP) is a classic design, their usage in test and measurement is universal and timeless. They are usable with most all major pieces of test equipment such as Power Supplies, Loads, DMMs, and Function Generators, to name just a few.

Molded of durable, flame-retardant Polypropylene (PP), the ergonomic MDP body is easy to handle and connect. The CT4455 uses RG58C/U, 50 Ω coaxial cable.

MSRP: $26
CT4456-100

Double Banana Plug to Alligator Clips Breakout, Cable Assembly

CT4456-100

Although the molded double plug (MDP) is a classic design, their usage in test and measurement is universal and timeless. They are usable with most all major pieces of test equipment such as Power Supplies, Loads, DMMs, and Function Generators, to name just a few.

Molded of durable, flame-retardant Polypropylene (PP), the ergonomic MDP body is easy to handle and connect. The CT4456 uses RG58C/U, 50 Ω coaxial cable.

MSRP: $16

Additional Materials

Name

Description