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RT125 125 Watt Switch Mode Power Supplies

125W Triple Output Switching Power Supply

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

Ripple and Noise

Efficiency

RT125-A

5vdc/12vdc/-5vdc

12 Amps/5.5 Amps/1.0 Amps

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

0.79

RT125-B

5vdc/12vdc/-12vdc

12 Amps/5.0 Amps/1.0 Amps

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

0.8

RT125-C

5vdc/15vdc/-15vdc

10 Amps/4.5 Amps/1.0 Amps

80mV pk-pk/150mV pk-pk/150mV pk-pk (Note 1)

0.81

RT125-D

5vdc/12vdc/24vdc

8.0 Amps/3.0 Amps/2.0 Amps

80mV pk-pk/150mV pk-pk/120mV pk-pk (Note 1)

0.82

RT125 series

Input Specifications

Input Voltage Range

88~132 VAC / 176~264VAC selected by switch 248~373VDC

Input Reflected Ripple Current

3.0 Amps. @ 115VAC, 2.0 Amps. @ 230VAC

Frequency Range

47-63 Hz

Inrush Current

40Amps / 230VAC (cold start)

General Specifications

Isolation

4242VDC

Isolation Input-Ground

2121VDC

Isolation Output-Ground

707VDC

Insulation Resistance

79%

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%RH

Relative Humidity

20~90% RH non cond

MTBF

209.3 KHrs min, MIL-HDBK-217(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

5vdc/12vdc/-5vdc

Output Amps

12 Amps/5.5 Amps/1.0 Amps

Load Regulation

±1.0%/±3.0%/±6.0% (Note 4)

Line Regulation

±0.5%/±1.0%/±1.0% (Note 3)

Temperature Coefficient

0.03% / °C (0-50°C) on +5V output

Ripple and Noise

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

Over Voltage Protection

5Volts only: : 5.75 ~ 6.75VDC Hiccup mode, auto recov

Over Current Protection

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

DC Voltage Adjust (typ.)

5Volts only: 4.75 ~ 5.5Volts(DC)

Hold Up Time

25mS/230VAC, 30mS/115VAC

Physical Specifications

Size (mm)

199 x 98 x 38mm

Size (Inches)

7.83” x 3.86 ” x 1.50 ”

Weight (g)

700g

Weight (oz)

24.69oz

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.