SDD-250 Series - 250W PS2 DC-DC AT Power Supply
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Features- High efficiency, high reliability
- 2:1 input range
- input and 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
- FR4 glass epoxy double side circuit board, meet UL-94V0, which could work in an environment with high vibration
- Built-in long life ball bearing fan
- 100% 50°C burn-in test
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Standards
   
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Case Details
150 x 140 x 86mm
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Specification
| Input Voltage |
SDD-250-24 : 19V~32V ; SDD-250-48 : 36V~72V |
| Input Current |
SDD-250-24 : <19A@19V DC ; SDD-250-48 : <11A@36V DC. |
| Over Load Protection |
Over 105% ~ 150% of rating, shutdown |
| Short Circuit Protection |
Shutdown |
| Input Protection |
Ceramic fuse,20A/125V |
| Input Voltage Protection Shutdown |
SDD-250-24: Under Voltage Protection: <15V~18V, Over Voltage Protection: >32~36V. |
| Input Voltage Protection Shutdown |
SDD-250-48: Under Voltage Protection: <30V~35V, Over Voltage Protection: >74~80V. |
| Rise time |
<20mS |
| TTL Signal |
Power Good Signal |
| Cooling |
Built-in a DC Fan. |
| Temperature |
Operating: -10~70°C; derating: 45°C ~70°C : 2.5%/°C. Storage: -10~+75°C |
| Humidity |
Operating: 20% ~ 85%; Storage: 10% ~ 95% (non condensing) |
| M.T.B.F. |
188K |
| SAFETY |
UL 60950, CSA C22.2 No.60950, TUV EN 60950, IEC 60950,EMKO-TSE (74-SEC)207/94 Approved. |
| EMI |
EN 55022 CLASS B, FCC CFR 47 PART 15 CLASS B, CNS 13438 CLASS B. |
| EMS |
EN 55024 : EN 61000-4-2,3,4,5,6,8. |
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Items
SDD-250-24/48
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Part No
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Voltage
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Min. Load
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Max. Load
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Reg
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R & N (max)
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Eff (typ)
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SDD-250-24
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+5 V
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3 A
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30 A
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+5/-4%
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50mV
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69%
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+12 V
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1 A
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12 A
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±5%
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120mV
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69%
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-5 V
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0 A
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8 A
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±5%
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50mV
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69%
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-12 V
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0 A
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2.7 A
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+10/-8%
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200mV
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69%
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SDD-250-48
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+5 V
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3 A
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30 A
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+5/-4%
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50mV
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72%
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+12 V
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1 A
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12 A
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±5%
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120mV
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72%
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-5 V
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0 A
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0.5 A
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±5%
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50mV
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72%
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-12 V
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0 A
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1 A
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+10/-8%
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200mV
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72%
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