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DELTA ELECTRONICS, INC.

3, TUNG YUAN ROAD, CHUNGLI
INDUSTRIAL ZONE
TAOYUAN SHIEH, TAIWAN, R.O.C.
TEL: 886-3-4526107
FAX: 886-3-4527314
mail: [email protected]

DELTA PRODUCTS CORPORATION

4405 CUSHING PARKWAY
FREMONT, CA 94538, U.S.A.
TEL: 1-510-668-5100
FAX: 1-510-668-0680

DELTA ELECTRONICS(JAPAN) INC.

DELTA SHIBADAIMON BLDG.
2-1-14 SHIBADAIMON, MINATO-KU,
TOKYO, 105-0012, JAPAN
TEL: 81-3-5733-1111
FAX: 81-3-5733-1211

DELTA ELECTRONICS, EUROPE LTD.

2 YOUNG PLACE
KELVIN INDUSTRIAL ESTATE
EAST KILBROIDE, GLASGOW G75 OTD, 
U.K.
TEL: 44-1355-588888
FAX: 44-1355-588889

All specifications are subject to change without prior notice.

ELECTRICAL SPECIFICATIONS

INPUT

Input Range

90~135Vac/ 180~265Vac

Frequency

47~63Hz

Input Current

<10A @ 115Vac, <5A @ 230Vac 

Efficiency

>65% @ 115Vac or 230Vac

EMI/RFI

CISPR 22 Class B, FCC

OUTPUT 

Maximum Power

300 Watts

Holdup Time

>17mS @ 230Vac

Rise Time

0.2~20mS

Leakage Current

<1.5mA @ 240Vac

Overvoltage Protection: +3.3V, +5V, +12V

Overcurrent Protection: <240VA

Short-Circuit Protection: Latch off

Power Good Signal: TTL compatible on delay 100mS 

to 500mS, off delay 1mS.

DPS-300PB-2

Series

50mV

2.5A

2.0A

0.0A

±

5%

+5Vsb

V5

120mV

-

0.8A

0.0A

±

10%

-12V

V4

120mV

19.5A

18.0A 

1.0A

±

5%

+12V

V3

50mV

-

30.0A

0.5A  

±

5%

+5V

V2

50mV

-

28.0A

0.5A

±

5%

+3.3V

V1

Ripple & Noise

Vp-p

Peak Load

Maximum 

Load

Minimum 

Load

Regulation

Voltage

Output

1. Total continue power output: 300W
2. The combined power on +3.3V & +5V: 195W max

FEATURES

Application: Desktop PC

120mm fan

Comply with Intel ATX12V 1.2

Remote On/Off

Low acoustics noise

High reliability

Fan speed control

Short circuit protection

Over voltage protection

Over current protection

Passive PFC @ 230Vac to meet 

EN61000-3-2 (optional)

ENVIRONMENTAL

Operating ambient temperature: 10~50 ºC

Operating relative humidity: 5~85%

Storage ambient temperature: -40~70ºC

Storage relative humidity: 5~95%

Altitude: 10,000~50,000 feet

MTBF: > 100K hours @ max. load & 25ºC 

ambient conditions.

150 (W) x 86 (H) x 140 (L) mm

CB

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