DC

Dimensions 150 x 140 x 86mm

Features
2:1 input range
Input & output isolation
Soft start function, low inrush current
Input over voltage and under voltage protection
Input polarity reverse protection
Over load, over voltage, short circuit, protection
Power good signal
Built-in long life ball bearing fan
100% 50°C burn-in test.

Model No

Voltage

Max Load

Reg

SDD-300-48

5V

40A

+5/-4%

 

12V

18A

±5%

 

-5V

0.5A

±5%

 

-12V

1A

+10/-8%

Specification
Input Voltage                                                      36~72V DC (Typical 48V)
Input Current                                                      <13A @36V DC
Input Protection                                                  Ceramic Fuse, 15A/250V
Input Voltage Protection Shutdown – Under      <30V~35V
Input Voltage Protection Shutdown – Over        >74V~80V
Overload Protection                                           Over 105% ~ 150% of rating, shutdown
Short Circuit Protection                                      Shutdown
Rise Time                                                           <20mS
Short Circuit Protection                                      Auto recovers once fault condition removed
Rise Time                                                           20mS
TTL Signal                                                          Power Good Signal
Cooling                                                               Built-in a 36 CFM DC fan.
Temperature                                                      Operating: -10~70°C; De-rating: 45°C ~70°C: 2.5%/°C. Storage: -10~+75°C
Humidity                                                             Operating: 20% ~ 85%; Storage: 10% ~ 95% (Non condensing)
MTBF                                                                 188K hours

SAFETY                                                             UL 1950 3rd, CSA C22.2 No.950, TUV EN 60950, IEC 60950, EMKO-                                                                                TSE (74-SEC) 207/94 approved.

EMI Standards                                                   EN 55022 CLASS B, FCC CFR 47 PART 15 CLASS B, CNS 13438 CLASS B

EMS Standards                                                 EN 55024:EN 61000-4-2,3,4,5,6,8