Benchtop Power Supplies
                     B E N C H T O P
P O W E R S U P P L I E S
INTRODUCTION TO BENCHTOP
POWER SUPPLIES
•  Benchto  p   Power   Supplies  are 
essential for electronics 
testing, prototyping, and 
research.
•Used in laboratories, R&D
departments, and DIY electronics 
workstations.
• Reliable and adjustable source of
DC power.
WHY BENCHTOP POWER
SUPPLIES MATTER
• Accurate voltage and current control
• Enhanced safety features
• Ideal for testing circuits without risk 
of battery failure
• Essential for students, engineers, 
and professionals
KEY FEATURES
• Digital display (LED/LCD)
• Adjustable voltage and current knobs
• Constant voltage (CV) and constant 
current (CC) modes
•Multiple output channels
•Overload and short circuit protection
APPLICATIONS IN REAL- 
WORLD SCENARIOS
• Prototyping electronic devices
• Circuit troubleshooting
• Battery charging and simulation
• Embedded system development
• Teaching electronics in academic labs
TYPES OF 
BENCHTOP POWER
SUPPLIES
• Linear Power Supplies – High precision, 
less noise
• Switching Power Supplies – Lightweight,
efficient
• Programmable Power Supplies – 
Controlled via PC or software
TECHNICAL SPECIFICATIONS
TO KNOW
• Voltage Range: e.g., 0–30V
• Current Range: e.g., 0–5A
• Resolution: e.g., 10mV/1mA
• Load regulation & Line regulation
•Noise and Ripple (important for 
sensitive circuits)
APPLICATIONS ACROSS INDUSTRIES
• R&D Labs
• Electronics repair centers
• Educational institutions
•Hobbyist & DIY projects
• Industrial automation testing
SAFETY & 
BEST 
PRACTICES
• Always set current limits to 
avoid damage
•Use banana jacks properly
• Do not exceed rated output
• Turn off before 
connecting/disconnecting 
devices
• Regular calibration for accuracy
COMMON MISTAKES 
TO AVOID
• Ignoring power supply specs
•Not enabling current limit
•Using wrong cable connectors
•Overloading channels
ADVANTAGES OF USING
BENCHTOP POWER
SUPPLIES
• Reliable and stable output
• Reusability for multiple projects
• Precision testing environment
• Ease of use for both beginners and
professionals
CHOOSING THE RIGHT POWER SUPPLY
• Voltage and Current Range: 
Match your application needs
• Type: Linear vs Switching
• Programmable Features: For
automation or custom 
testing
• Safety Features: Over-voltage,
over-current, temperature 
protection
PRODUCT COMPARISON TABLE
Model Voltage Current Type Application
VAR TECH 3005B 30V 5A Transformer Lab/Prototyping
Beetech RPS-3002 30V 2A Linear Educational Use
Var-Tech 6010 60V 10A Linear Industrial
Var-Tech 1502D 15V 2A Linear Repair/Hobby
30V 3A Programmable 30V 3A Programmable Automation/Testing
WHY BUY FROM TOMSON 
ELECTRONICS?
• Trusted electronics supplier in India
•Wide range of  benchto  p   power   supplies  
• Competitive pricing & fast delivery
• Dedicated customer support
C O N T A C T U S
[email protected] 
www.tomsonelectronics.com 
8606650999