SB03 03w Power Supplies

Isolated and Regulated 3 WATT Modular DC/DC Converters

	5 Sided EMI Shielding
	Regulated Outputs
	1600V Isolation
	Short Circuit Protection
	4:1 Input Range
	Input PI Filter

Model Number	Input Voltage Range	Output Voltage	Output Amps	Efficiency
SB03-123.3S	9-36 VDC	3.3VDC	0.9	75%
SB03-483.3S	18-72 VDC	3.3VDC	0.9	75%
SB03-125S	9-36 VDC	5VDC	0.66	76%
SB03-485S	18-72 VDC	5VDC	0.66	76%
SB03-1212S	9-36 VDC	12VDC	0.33	79%
SB03-4812S	18-72 VDC	12VDC	0.33	79%
SB03-1215S	9-36 VDC	15VDC	0.267	79%
SB03-4815S	18-72 VDC	15VDC	0.267	79%
SB03-1224S	9-36 VDC	24VDC	0.166	79%
SB03-4824S	18-72 VDC	24VDC	0.166	79%
SB03-125D	9-36 VDC	±5VDC	±0.300	75%
SB03-485D	18-72 VDC	±5VDC	±0.300	75%
SB03-1212D	9-36 VDC	±12VDC	±0.166	79%
SB03-4812D	18-72 VDC	±12VDC	±0.166	79%
SB03-1215D	9-36 VDC	±15VDC	±0.133	79%
SB03-4815D	18-72 VDC	±15VDC	±0.133	79%

SB03 series

Input Specifications

Input Voltage Range

9-36 VDC

General Specifications

Isolation	1600VDC
Insulation Resistance	10-9nth Ohm min.
Switching Frequency	300KHz

Physical Specifications

Case Material	Nickel-Coated Copper with Non-Conductive Base
Construction	Fully Encapsulated
Weight (g)	25g
Weight (oz)	0.9oz

Output Specifications

Output Voltage	3.3VDC
Output Amps	0.9
Load Regulation	± 1% 10% to FL
Line Regulation	± 0.5% HL-LL
Preset Accuracy	± 2%
Temperature Coefficient	±0.02%/°C
Ripple and Noise	0.7% +70mVp-p max.
Short Circuit Protection	Continuous

Environmental Specifications

Operating Temperature	-20 to +71°C(FL)
Storage Temperature	-55 to +105°C
Cooling	Free Air Convection

Notes

All specifications are typical at nominal input, full load, and 25°C unless otherwise noted

Astrodyne products are not authorized or warranteed for use as critical components in life support systems, equipment used in hazardous environments, nuclear controls systems, or other mission-critical applications.

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SB03 03w Power Supplies