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RD125 125w Switch Mode Power Supplies

125W 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

Load Regulation

Line Regulation

Temperature Coefficient

Ripple and Noise

Over Voltage Protection

DC Voltage Adjust (typ.)

RD125-A

5 Volts(DC)

/12 Volts(DC)

7.7 Amps/

7.7 Amps

±3.0%/±4.0%

±1.0%/±2.0%

0.03% / °C (0-50°C) on +5V output

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

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

5Volts only:

4.75 ~ 5.5Volts(DC)

RD125-B

5 Volts(DC)

/24 Volts(DC)

4.6 Amps/

4.6 Amps

±3.0%/±4.0%

±1.0%/±2.0%

0.03% / °C (0-50°C) on +5V output

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

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

5Volts only:

4.75 ~

5.5Volts(DC)

RD125-1224

12 Volts(DC)/

24 Volts(DC)

3.7Amps/

3.7Amps

±1.0%/±5.0%

±0.5%/±1.0%

0.03% / °C (0-50°C) on +12V output

120mV pk-pk/200mV pk-pk (Note 1)

12Volts only: : 13.8 ~ 16.2Volts(DC) Hiccup mode, auto recover

12Volts only: 11.4~

13.2Volts(DC)

RD125-1248

12 Volts(DC)/

48 Volts(DC)

2.3 Amps/

2.3 Amps

±1.0%/±5.0%

±0.5%/±1.0%

0.03% / °C (0-50°C) on +12V output

120mV pk-pk/240mV pk-pk (Note 1)

12Volts only: : 13.8 ~ 16.2Volts(DC) Hiccup mode, auto recover

12Volts only: 11.4~

13.2Volts(DC)

RD125-2448

24 Volts(DC)/

48 Volts(DC)

2.0 Amps/

2.0 Amps

±1.0%/±3.0%

±0.5%/±1.0%

0.03% / °C (0-50°C) on +24V output

200mV pk-pk/240mV pk-pk (Note 1)

24Volts only: : 27.6 ~ 32.4Volts(DC) Hiccup mode, auto recover

24Volts only: 22.8~

26.4Volts(DC)

RD125-2412

24 Volts(DC)/

12 Volts(DC)

3.7Amps/

3.7Amps

±1.0%/±5.0%

±0.5%/±1.0%

0.03% / °C (0-50°C) on +24V output

200mV pk-pk/120mV pk-pk (Note 1)

24Volts only: : 27.6 ~ 32.4Volts(DC) Hiccup mode, auto recover

24Volts only: 22.8~

26.4Volts(DC)

RD125-4812

48 Volts(DC)/

12 Volts(DC)

2.3 Amps/

2.3 Amps

±1.0%/±5.0%

±0.5%/±1.0%

0.03% / °C (0-50°C) on +48V output

240mV pk-pk/120mV pk-pk (Note 1)

48Volts only: : 55.2 ~ 64.8Volts(DC) Hiccup mode, auto recover

40Volts only: 45.6~

52.6Volts(DC)

RD125B-4824

48 Volts(DC)/

24 Volts(DC)

2.0Amps/

2.0Amps

±1.0%/±5.0%

±0.5%/±1.0%

0.03% / °C (0-50°C) on +48V output

240mV pk-pk/240mV pk-pk (Note 1)

48Volts only: : 55.2 ~ 64.8Volts(DC) Hiccup mode, auto recover

40Volts only: 45.6~

52.6Volts(DC)

RD125 series

Input Specifications

Input Voltage Range

90 ~ 132 VAC; 176~264VAC selected by switch; 248~373 Volts(DC)

Frequency Range

47-63Hz

Inrush Current

40Amps / 230VAC (cold start)

General Specifications

Isolation

4242VDC

Isolation Input-Ground

2121VDC

Isolation Output-Ground

707VDC

Insulation Resistance

84% typ.

Switching Frequency

UL60950-1, TUV EN60950-1 Approved

Environmental Specifications

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

EMI

Compliance to EN55022 (CISPR22) Class B

MTBF

232.4 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

7.7 Amps/7.7 Amps

Load Regulation

±3.0%/±4.0%

Line Regulation

±1.0%/±2.0%

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 ~ 5.5Volts(DC)

Hold Up Time

25mS/230VAC, 30mS/115VAC

Notes

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

Size (mm)

199 x 98 x 38mm

Size (Inches)

7.83” x 3.86 ” x 1.49 ”

Weight (g)

700g

Weight (oz)

24.69oz