High Voltage Bias Supply | Low Noise Power Supply

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High Voltage Supplies The Model 520 Series are low noise power supplies designed for photodetector biasing applications. Output voltages up to 800V are available in two polarities. The compact size and shielded metal case make the Model 520 Series attractive for a variety of low noise biasing applications. The 523/524 versions are compact, hermetically sealed, designed for very low noise and ideal for military APD biasing applications.

Data Sheets (PDF Format) are available for models listed below.

Model

Input Voltage

Output Voltage

Output Power

Output Current 50%,
100% V out

521A-1	+12 to +15VDC	+10 to +300VDC	210mW	1.6/0.7mA

521A-10	+24 to +28VDC	+10 to +800VDC	120mW	750/150µA

521A-11	+12 to +15VDC	-10 to -800VDC	120mW	750/150µA

521A-12	+24 to +28VDC	-10 to -800VDC	120mW	750/150µA

521A-2	+24 to +28VDC	+10 to +300VDC	210mW	1.6/0.7mA

521A-3	+12 to +15VDC	-10 to -300VDC	210mW	1.6/0.7mA

521A-4	+24 to +28VDC	-10 to -300VDC	210mW	1.6/0.7mA

521A-5	+12 to +15VDC	+10 to +600VDC	120mW	1.0/0.2mA

521A-6	+24 to +28VDC	+10 to +600VDC	120mW	1.0/0.2mA

521A-7	+12 to +15VDC	-10 to -600VDC	120mW	1.0/0.2mA

521A-8	+24 to +28VDC	-10 to -600VDC	120mW	1.0/0.2mA

521A-9	+12 to +15VDC	+10 to +800VDC	120mW	750/150µA

522-1	+5VDC ±10%	-20 to -250VDC	150mW	600µA

522-2	+5VDC ±10%	-200 to -500VDC	150mW	300µA

522-3	+5VDC ±10%	+20 to +250VDC	150mW	600µA

522-4	+5VDC ±10%	+200 to +500VDC	150mW	300µA

523-1	+5VDC ±5%	+20 to +100VDC	100mW	1.0mA max.

524-1	+5VDC ±5%	+100 to +300VDC	150mW	0.30mA max.

524-2	+5VDC ±5%	+300 to +500VDC	250mW	0.25mA max.

Specifications subject to change without notice.