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Benchtop DC Power Supplies

The following products are high-performance DC Power Supplies, regulated DC Power Supplies, pursuing "Compact," "Low Noise," and "High Power." We have a variety of DC-regulated power supplies; palm-sized power supplies equipped with multiple functions using our original high-efficiency switching method, ultra-low ripple DC-regulated power supplies with a linear regulator system. The power supplies are available for a broad range of applications from industrial fields contributing EV, onboard devices, semiconductors, and motors to chemistry and communications fields.
R3K-36 series | DC power supply Benchtop | Matsusada Precision

R3K-36 series

voltage range
8 to 36 V
current
1 to 3 A
power
24 to 36 W
World's smallest Programmable DC Power Supply

Quiet operation with Fan-less PSU

R4K-36 series | DC power supply Benchtop | Matsusada Precision

R4K-36 series

voltage range
2 to 40 V
current
0.1 to 4 A
power
0.2 to 36 W
Palm size DC Power Supply

Excellent quietness with natural air-cooling system

R4K-80 series | DC power supply Benchtop | Matsusada Precision

R4K-80 series

voltage range
16 to 320 V
current
0.5 to 10 A
power
80 W
Ultra slim, 4-digit, DC Power Supply

Various lineups for output current control at 0.1 mA increment

RK-80 series | DC power supply Benchtop | Matsusada Precision

RK-80 series

voltage range
16 to 320 V
current
0.5 to 10 A
power
80 W
Ultra Slim, 3-digit DC Power Supply

Excellent quietness with natural air-cooling system

R4GT series | DC power supply Benchtop | Matsusada Precision

R4GT series

voltage range
6 to 36 V
current
0.01 to 0.3 A
power
0.1 to 7.2 W
Ultra High Resolution Linear DC Power Supply

Pulse/Ramp various function, Ultra low noise

R4G/R4GN series | DC power supply Benchtop | Matsusada Precision

R4G/R4GN series

voltage range
6 to 650 V
current
0.1 to 10 A
power
12 to 180 W
Compact and High resolution
Linear DC power supply

High resolution and Ultra low noise, Digital interface

TB series | DC power supply Benchtop | Matsusada Precision

TB series

voltage range
35 to 1000 V
current
1 to 108 A
power
360W, 720W, 1080W
Wide range programmable
DC power supply

"Turbo function" installed, Compact, Suppressing voltage/current overshoot

RK series | DC power supply Benchtop | Matsusada Precision

RK series

voltage range
6 to 800 V
current
0.6 to 180 A
power
385 to 1200 W
Versatile benchtop
DC power supply

Available for 400 W output while being small size of only 2.8-inch in the width.

Discontinued

R4GE/R3GE series | DC power supply Benchtop | Matsusada Precision

R4GE/R3GE series

voltage
6 to 650V
current
0.1 to 10A
power
12 to 180W
Low Noise Linear DC Power Supply

Resolution of 1 mV and 0.1 mA

Discontinued

RG series | DC power supply Benchtop | Matsusada Precision

RG series

voltage range
18 to 650V
current
0.1 to 5A
power
36 to 108W
Ultra low ripple and Compact

Series regulator method, Only 2.75-inch wide (and up), Simple operation

DC Power Supplies

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