Power Supply Selector Guide
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Power Supply Selector Guide
Brand
Model
Channel
Power
Output
Voltage
Output
Current
Programmable
Others
Tektronix
PWS2185
1
90 W
18 V
5 A
N/A
Single-channel, lownoise, nonprogrammable,
benchtop linear power
supply
Tektronix
PWS2323
1
96 W
32 V
3 A
N/A
Tektronix
PWS2326
1
192 W
32 V
6 A
N/A
Tektronix
PWS2721
1
108 W
72 V
1.5 A
N/A
Tektronix
PWS4205
1
100 W
20 V
5 A
GPIB
Single-channel, lownoise, programmable,
benchtop linear power
supply
Keithley
2200-20-5
1
100 W
20 V
5 A
GPIB/USB
Tektronix
PWS4305
1
150 W
30 V
5 A
GPIB
Keithley
2200-30-5
1
150 W
30 V
5 A
GPIB/USB
Tektronix
PWS4323
1
96 W
32 V
3 A
GPIB
Keithley
2200-32-3
1
96 W
32 V
3 A
GPIB/USB
Tektronix
PWS4602
1
150 W
60 V
2.5 A
GPIB
Keithley
2200-60-2
1
150 W
60 V
2.5 A
GPIB/USB
Tektronix
PWS4721
1
86 W
72 V
1.2 A
GPIB
Keithley
2200-72-1
1
86 W
72 V
1.2 A
GPIB/USB
Keithley
2220-30-1
2
45 W
30 V
1.5 A
USB
Two and three
channels, low-noise,
programmable,
benchtop linear power
supply
45 W
30 V
1.5 A
Keithley
2220G-30-1
2
45 W
30 V
1.5 A
USB/GPIB
45 W
30 V
1.5 A
Keithley
2230-30-1
3
45 W
30 V
1.5 A
USB
45 W
30 V
1.5 A
30 W
6 V
5 A
Keithley
2230G-30-1
3
45 W
30 V
1.5 A
USB/GPIB
45 W
30 V
1.5 A
30 W
6 V
5 A
Keithley
2231A-30-3
3
90 W
30 V
3 A
Optional USB
Three channels,
programmable,
benchtop linear power
supply
90 W
30 V
3 A
15 W
5 V
3 A
Keithley
2260B-30-36
1
360 W
30 V
36 A
USB/LAN
Single channel, lownoise, programmable,
applicable to
automated
manufacturing and
laboratory testing
Keithley
2260B-30-72
1
720 W
30 V
72 A
USB/LAN
Keithley
2260B-80-13
1
360 W
80 V
13 A
USB/LAN
Keithley
2260B-80-27
1
720 W
80 V
27 A
USB/LAN
Keithley
2280S-32-6
1
192 W
32 V
6 A
GPIB/USB/LAN
Precision measurement
power supply（PMS）
2280S-60-3
1
192 W
60 V
3.2 A
GPIB/USB/LAN
Tektronix and Keithley Power Supply Selection Guide
p
Power Supply Selector Guide
Model
PWS2185
PWS2323
PWS2326
PWS2721
Output
Voltage
0 - 18V
0 – 32V
0 – 32V
0 – 72V
Output
Current
0 - 5A
0 – 3A
0 – 6A
0 - 1.5A
Output
Power
90W
96W
192W
108W
Ripple and Noise (20Hz - 7MHz)
CV p-p
≤ 3mV
CV RMS
≤ 1mV
CC RMS
≤ 5mA
Programming Accuracy (25°C ±5°C)
Voltage
≤0.05% + 10mV
Current
≤0.2％ + 10mA
Readback accuracy (25 °C ± 5 °C)
Voltage
≤0.05%
+ 15mV
<20V: ≤0.05% + 15mV
≥20V: ≤0.05% + 120mV
Current
≤0.1％ + 15mA
Dimension
2U high, half rack width
Others
Store up to 20 sets of user settings
PWS2000 Series
Single-channel, Low-noise, Non-programmable Power Supply
Designed for Benchtop Applications
PWS2000 Features
Linear power supply with low ripple and noise
Power up to 192W
0.05% voltage programming accuracy
0.2% current programming accuracy
10mV/10mA programming resolution
Ripple and noise peak-to-peak value less
than 3mV
Store 20 sets of settings
Keypad data entry
Three-year warranty
With their good ripple and noise performance, the PWS2000 Series are excellent supplies for
education and lab R&D use.
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