DBS400B03 Cosel - DC-DC Converter
DBS400B03 Description
Cosel makes the DBS400B03, a power supply. Power supplies like this are found in automation panels, communication equipment and test systems.
USComponent (Young & New Century LLC) supplies power modules, thyristors, diodes and other industrial components, including legacy parts. Contact us for a quote on the DBS400B03, and please confirm ratings against the datasheet before ordering.
Summary of Features
Cosel DBS400B03 is a DC-DC bus converter, power module type from the DBS series, 264 W, output 3.3 V, input DC 200 - 400.
Target Applications
Cosel DBS400B03 is used for industrial automation, test and measurement, telecom and datacom, medical, LED lighting and other equipment that needs reliable regulated DC power.
Key Specifications
Cosel DBS400B03 is a DC-DC bus converter, power module type from the DBS series, 264 W, output 3.3 V, input DC 200 - 400. Source: Cosel DBS series datasheet.
| Parameter | Value |
|---|---|
| Series | Cosel DBS series (DBS400B) |
| Type | DC-DC bus converter, power module type |
| Max output wattage | 264 W |
| Output voltage | 3.3 V |
| Output current | 80 A |
| Input voltage range | DC 200 - 400 |
| Efficiency (typ) | 79 % |
| Overcurrent protection | Works over 105% of rating and recovers automatically |
| Overvoltage protection | 4.00 - 5.50V 5.75 - 7.00V 8.60 - 10.50V 13.80 - 16.80V 17.25 - 21.00V 20.70 - 25.20V 27.60 - 33.60V 32.20 - 39.20V |
| Isolation, input-output | AC3,000V 1minute, Cutoff current = 10mA, DC500V 50MΩ min (20 ±15°C) |
| Operating temperature, humidity and altitude | -20 to +85°C (On aluminum base plate), 20 - 95%RH (Non condensing) (Refer to “Derating”), 3,000m (10,000feet) max |
| Case size / weight | 61X12.7X116.8mm [2.4X0.5X4.6 inches] (WXHXD) / 180g max |
Technical document (PDF) | Request a quote for DBS400B03 (reply within 24 hours)

