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RD85 85w Switch Mode Power Supplies

85W Dual Output Switching Power Supply

Universal AC input

Protections:Short circuit/Over load/Over voltage

Cooling by free air convection

LED indicator for power on

All using 105°C long life electrolytic capacitors

High efficiency, long life and high reliability

Model Number

Output Voltage

Output Amps

Efficiency

RD85-A

5 Volts(DC)/12 Volts(DC)

8 Amps/4 Amps

78% typ.

RD85-B

5 Volts(DC)/24 Volts(DC)

8 Amps/2 Amps

80% typ.

RD85 series

General Specifications

Isolation

4242VDC

Isolation Input-Ground

2121VDC

Isolation Output-Ground

707VDC

Insulation Resistance

78% typ.

Switching Frequency

UL60950-1, TUV EN60950-1 Approved

Environmental Specifications

Input Specifications

Input Voltage Range

90 ~ 264 VAC; 125~373 Volts(DC)

Input Reflected Ripple Current

2.5 Amps. @ 115VAC, 1.5 Amps. @ 230VAC

Frequency Range

47-63 Hz

Inrush Current

40Amps / 230VAC (cold start)

Operating Temperature

-25°C to +70°C (See Derate Curve)

Storage Temperature

-40°C to +85°C, 10~95%

Relative Humidity

20~90% RH non cond

MTBF

239.4 KHrs min, MIL-UDBK-217F(25°C)

EMS

Compliance to EN61000-4-2, 3, 4, 5, 6, 8, 11; ENV50204, EN61000-6-2 (EN50082-2) Heavy Industry Level, Criteria A

Output Specifications

Output Voltage

5 Volts(DC)/12 Volts(DC)

Output Amps

8 Amps/4 Amps

Load Regulation

±1.0%/±3.0% (Note 4)

Line Regulation

±0.5%/±1.0% (Note 3)

Temperature Coefficient

0.03% / °C (0-50°C) on +5V output

Ripple and Noise

80mV pk-pk/120mV pk-pk (Note 1)

Over Voltage Protection

5Volts only: : 5.75 ~ 6.75Volts(DC) Hiccup mode, auto recover

Over Current Protection

110 ~ 150% rated output power Hiccup mode, auto recover

DC Voltage Adjust (typ.)

5Volts only: 4.75 ~ 5.5V

Hold Up Time

100mS/230VAC, 18mS/115VAC

Size (mm)

159 x 97 x 38mm

Size (Inches)

6.26” x 3.82 ” x 1.50 ”

Weight (g)

600g

Weight (oz)

21.16oz

1. Ripple & noise are measured at 20MHz of bandwidth by using a 12” twisted pair-wire terminated with a 0.1uf & 47uf parallel capacitor.

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.

Physical Specifications

Notes