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Sorensen SFA Series 5150 kW
High Slew Rate Current Source 60160 V
The SFA family builds on the industry leading
Sorensen SGA series to provide a high power
312500 A
current source for laser diode applications. State
of the art high power laser diodes require well-
regulated current control to avoid catastrophic 208 400 480
damage. Under anomalous operating conditions,
excessive stored energy in the output circuit of
the power supply can result in peak stresses that
can permanently damage the device. Providing a
constant current regulation mode only, the SFA's
low stored energy output minimizes damage
potential for sensitive devices as well as enabling
a current slew rate of up to 400 A/msec.
3U 6U
Power 5 kW 10 kW 15 kW 20 kW 25 kW 30 kW
Voltage Maximum Current (parallel for higher current. )
60 83 167 250 333 417 500
100 50 100 150 200 250 300
160 31 63 94 125 156 188
Specifications (at nominal AC line and 25ºC)
Output Slew Rate (10-90% resistive load) 250A/ms (400A/ms typical) rise, 200A/ms typical fall; 160V model 87A/ms/5kW (145A/ms/5kW typical), 60A/ms, typical, fall
Control Mode Current Control Only
Front Panel Meter Accuracy Voltage ±0.5% of full-scale + 1 digit, Current ±0.5% of full-scale + 1 digit
Load Regulation (no load to full load, nominal AC input) Current 0.1% of rated output current
Line Regulation (±10% of nominal AC input) Current 0.05% of rated output current
Current Ripple 1% p-p of full-scale current
Transient Response Output current recovers to within 1% of current setpoint within 1ms for a 10 to 100% or 100% to 10% step load change
Current Overshoot Maximum 8% of full-scale for 0 to 100% change into a resistive load
Output Capacitance 60V Models <10 µF / 5 kW, 100/160V Models 3 µF / 5 kW
Stability ±0.05% of setpoint after 8hr. warm-up at fixed line, load, and temperature using remote sense
Power Factor >0.9 typical for 208/220VAC input, >0.78 typical for 380/400VAC input, >0.7 typical for 440/480VAC input
Remote Analog Control Current Setpoint Accuracy, ±0.8% of full-scale output; Overcurrent Protection, ±1% of full-scale output;
Resistive Control, 05k = 0-100% Current; Voltage Control, 05 or 010 VDC = 0-100% Current;
Overcurrent Protection, 05.5 VDC = 0-110%
Efficiency 87% typical at full load, nominal line
Remote Control/Monitor On/Off control via contact closure, 6-120 VDC or 12-240VAC, and TTL or CMOS switch, current monitor, OCP limit set,
summary fault status
Overvoltage Protection Fixed at approximately 110% of the rating compliance voltage. Reset requires cycling the front panel standby power switch off/on
Ethernet Control (optional) LXI compliant 10/100 Base T Ethernet remote control with web server for direct control of power supply via web browser.
Isolated Analog Control (optional) Input to Output Isolation: 500 V Compliant with maximum terminal float voltage.
Recommended operation under SELV normal conditions.
Regulatory Certified to UL/CSA 61010 and IEC/EN 61010-1, CE Compliant (LVD and EMC Directives), Input power options
Input Power Configuration 3phase, 3wire plus ground. Not phase, rotation sensitive. Neutral not used.
Input Power Voltage Selection 208/220 VAC±10%, 47 to 63 Hz, 380/400 VAC±10%, 47 to 63 Hz, 440/480 VAC±10%, 47 to 63 Hz
Environmental
Ambient Operating Temperature 0 to 50°C
Storage Temperature -25 to 65°C
Temperature Coefficient Current Setpoint 0.03%/°C of rated current
Cooling Internal Fans. Zero clearance stacking
Humidity 0 to 90% at 40°C; 0 to 50% at 25°C, non-condensing
Altitude Full power at 5,000 feet, 10% derating of full power for every 1,000 feet above 5,000 feet
Physical
5 to 15 kW in 3U 19.00in W x 25.12in D x 5.25inH; 80 lbs., (48.3cm W x 63.8cm D x 13.3cm H; 36 kg)
20 - 30 kW in 6U 19.00in W x 25.12in Dx 10.5in x H; 160 lbs., (48.3cm W x 63.8cm D x 36.7cm H; 73 kg)
Accessories
K550212-01 3U Rack Slides (for 5kW, 10kW and 15kW models)
K550213-01 6U Rack Slides (for 20kW, 25kW and 30kW models)
CompuMess Elektronik GmbH · sales@ProgrammablePower.com
858.458.0223 Lise-Meitner-Str. 1 · D-85716 Unterschleißheim 73
Telefon (089) 32 15 01 - 0 · Telefax (089) 32 15 01 - 11 · www.compumess.de · www.netzteile.de