Model Number

 E3631A

 E3632A

 E3633A

 E3634A

 1

2

 3

 DC output

 Rating (0 to 40 ºC)

 0 to +6 V, 0 to 5 A

0 to +25 V, 0 to 1 A

0 to –25 V, 0 to 1 A 

 0 to 15 V/7 A or 0 to 30 V/4 A

0 to 8 V/20 A or 0 to 20 V/10 A 

0 to 25 V/7 A or 0 to 50 V/ 4 A  

 Load regulation

 ± (% of output + offset)

< 0.01% + 2 mV < 0.01% + 250 μA 

 Line regulation

 ± (% of output + offset)

< 0.01% + 2 mV < 0.01% + 250 μA 

 Ripple and noise (20 Hz to 20 MHz)

 Normal mode voltage

 < 350 μVrms/2 mVpp

 < 350 μVrms/3 mVpp <

< 500 μVrms/ 3 mVpp 

 Normal mode current

< 2 mArms 

 < 500 μArms

 < 2 mArms

 Common mode current

< 1.5 μArms 

 Accuracy¹ 12 months (25 ºC + 5 ºC), ± (% output + offset)

 Programming

 Voltage

 0.1% + 5 mV

 0.05% + 20 mV

 0.05% + 10 mV

 Current

 0.2% + 10 mA

 0.15% + 4 mA

0.2% + 10 mA 

 Readback²

 Voltage

 0.1% + 5 mV

 0.05% + 10 mV

 0.05% + 5 mV

 Current

 0.2% + 10 mA

 0.15% + 4 mA

 0.15% + 5 mA

 Resolution

 Program

0.5 mV/0.5 mA 

 1.5 mV/0.1 mA

 1 mV/0.5 mA

 1 mV/1 mA

3 mV/0.5 mA 

 Readback

0.5 mV/0.5 mA 

 1.5 mV/0.1 mA

0.5 mV/0.1 mA 

 0.5 mV/1 mA

1.5 mV/0.5 mA 

 Meter

1 mV/1 mA 

 10 mV/1 mA

1 mV/1 mA 

 1 mV/1 mA (< 10A), 10 mA (¡ 10 A) 

 Transient response

Less than 50 μsec for output to recover to within 15 mV following a change in output current from full load to half load or vice versa 

 Command processing time³

 < 50 msec

 < 100 msec

 OVP/OCP

 Accuracy ± (% output + offset)

 N/A

0.5% + 0.5 V/0.5% + 0.5 A 

 Activation time

 N/A

1.5 msec, OVP ≥3 V/< 10 msec, OVP < 3 V and OCP <10 msec 

 Temperature coefficient per ºC (% output + offset)

 Voltage

 0.01% + 2 mV

     0.01% + 3 mV

 Current

 0.02% + 3 mA

  0.02% + 0.5 mA

 0.02% + 3 mA

 Stability, constant load & temperature ± (% of output + offset), 8 hrs

 Voltage

 0.03% + 1 mV

  0.02% + 2 mV

 0.02% + 1 mV

 Current

 0.1% + 3 mA

  0.05% + 1 mA

 0.1% + 1 mA

 Remote Sense (max. voltage in each load lead)

 N/A

 1 V

 0.7 V

 Voltage programming speed, to within 1% of total excursion

 Up        Full load

11 msec

50 msec 

50 msec

95 msec

80 msec

             No load

10 msec

20 msec 

20 msec

45 msec

100 msec

 Down    Full load

13 msec

45 msec

45 msec

30 msec

30 msec

             No load

200 msec

400 msec  

400 msec

450 msec

450 msec

 AC input (47 Hz – 63 Hz)

 100 Vac ±10% (Opt 0E9)/115 Vac ±10% (Std)/230 Vac ±10% (0E3)

 Weight

 8.2 kg (18 lbs) net, 11 kg (24 lbs) shipping

 9.5 kg (21 lbs) net, 12 kg (26 lbs) shipping

 Warranty

 Three years for E363xA series power supplies.

Three months for standard shipped accessories.

 Product regulation

 Certified to CSA 22.2 No. 231 (for E3631A), No. 1010.1 (for E3632A/33A/34A); 

conforms to IEC 1010-1; carries CE marks; complies with CISPR-11, Group 1, Class A