Model 1687B
1-36V 0-10A Switching DC Power Supply
Price: $459 / 2 yr Warranty
| Name | Qty | Last Updated | ||
|---|---|---|---|---|
| SEFRAM | 11 | 2025-07-30 | ||
| FARNELL | 22 | 2025-07-30 | ||
| NEWARK | 15 | 2025-07-30 | ||
| TME | 4 | 2025-07-30 | ||
| RS Components | 22 | 2025-07-30 | ||
| TEST EQUIPMENT DEPOT (FOTRONIC) | 3 | 2025-07-30 | ||
| RS Americas | 4 | 2025-07-30 | ||
| Buerklin | 3 | 2025-07-30 | ||
| DIGI-KEY | 107 | 2025-07-30 | ||
| DISTRELEC | 8 | 2025-07-30 | ||
| TESTEQUITY | 65 | 2025-07-30 | ||
| MOUSER ELECTRONICS | 10 | 2025-07-28 |
Overview
The B&K Precision 1685B, 1687B, and 1688B switching mode DC power supplies provide various configurations of high output voltage or high output current in a small, lightweight form factor. In addition to their constant voltage (CV) and constant current (CC) modes, these high efficiency DC power supplies offer unique preset and remote control modes. Up to three different presets of voltage and current values can be saved for quick recall through a rear switch. For remote control, an analog remote control terminal is accessible on the rear, or use the USB interface to communicate with the power supply via PC software or remote commands. These features make the 1685B, 1687B, and 1688B suitable for a wide range of applications including production testing, telecommunications, R&D, electronic field service, and university labs.
- Automatic CV/CC crossover operation
- Lightweight and compact
- Rotary encoder control for precise voltage and current setting
- 3 user-defined voltage and current presets
- USB interface with PC software for remote control and external timed programming
- Analog remote control function
- Overvoltage, overtemperature, and overload protection
Models
Documents
Documentation
Software
|
Description |
Version |
Download |
|---|---|---|
|
USB Virtual COM Drivers (Supports Windows 10/11)
|
V11.3.0
|
|
|
Operating Software (Supports Windows(R) 7/8.1/10)
|
3.0.18
|
|
|
HCS Operating Software (Supports Windows(R) 7)
Logiciel d'exploitation HCS (compatible avec Windows(R) 7)
|
0.9
|
|
|
1685B Series Software Readme
|
n/a
|
Accessories
5A Hook-Up Cable Set
TL 5A
- 4mm Banana plug to alligator clip
- 5A rating
- Black and Red pair
- 40" (1.0m) length
- MSRP: $15
Power Supply Test Leads Set
TLPS
This accessory kit combines safety and functionality. A must have for anyone who uses power supplies or loads.
- Medium and large insulated alligator clips
- Black and red components
- Sense lead included
| Description | Max current |
| Red and black test lead (120 cm) | 25 A |
| Spade lug adapters (6 & 4 mm) | 36 A |
| Standard alligator clips | 3 A |
| 4 mmBanana plug adapters | 36 A |
| Large insulated alligator clips | 36 A |
| Red and black sense leads (10 cm) | 3 A |
- MSRP: $69
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
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
Replacement Analog Remote Control Connector
RMTCTLCNTR
Replacement Analog Remote Control Connector.
- For models:
- 1685B Series
- 1900B Series
- 9103 9104 Series
- MSRP: $20
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
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
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
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
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
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
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
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
Additional Materials
|
Name |
Description |
|---|---|
|
Power Supply Selection Guide
|