| Warranty Period | 5-year |
|---|
When remote ON/OFF is not used, short RC and -VIN.
When the output voltage adjustment is not used,
open the TRM pin respectively.
When remote sensing is not used, make sure +VOUT
and +S are shorted, and that -VOUT and -S are shorted as
well.
Features of DHS250B12
• Compact DC-DC Converter, "BRICK SIZE" which has been standard size for Telecommunication Market• High efficiency
• High density
• High reliability: not built-in aluminum and tantalum electrolytic capacitor
• Built-in overcurrent, overvoltage and thermal protection circuits
• Built-in remote ON/OFF
Ordering Information and Options
DH(1) S(2) 250(3) B(4) 05(5) - □(6)
(1) Series name(2) Single output
(3) Output wattage
(4) B: DC200 - 400V
(5) Output voltage
(6) Optional
T: with Mounting hole
(φ3.4 thru)
Specification
| Contents | Specifications | |
|---|---|---|
| Input Voltage | DC200 - 400V | |
| Output | Wattage | 252.0W |
| Voltage/Current | 12V 21A | |
| Adjustable Voltage Range |
Fixed (TRM pin open), adjustable by external VR or external voltage 7.20 - 13.20V |
|
| Protection Circuit And Others | Overcurrent Protection | Works over 105% of rating and recovers automatically |
| Overvoltage Protection | 13.90 - 16.35V | |
| Remote ON/OFF | Provided (Negative logic L: ON, H: OFF) | |
| Remote Sensing | Provided | |
| Others | - | |
| Operating Temperature/Humidity | -40 to +100℃ (On aluminum base plate) , 20 - 95%RH (Non condensing) * | |
| Safety And Noise Regulations | Agency Approvals (At only AC input) | UL60950-1, C-UL, EN62368-1 |
| Conducted Noise | - | |
| High Attenuation | - | |
| Others | Dimensions (WxHxD) | 58.4x12.7x61.0mm [2.3x0.5x2.4 inches] |
| Weight | 100g max | |
| Cooling Method | Conduction cooling (e.g. heat radiation from the aluminum base plate to the attached heat sink) | |
| Warranty Period | 5-year | |
- * For further information and how to use, please see in Cosel product catalog.
Documents Download
| Technical Data | ||
|---|---|---|
| CAD Data | DXF | |
| 3D CAD Data | STEP | |
| IGES | ||
- * For another documents aren't listed, please feel free to contact to a Cosel representative.
Optional Parts
Heat sink
| Category | Part Number | Description | DXF | |
|---|---|---|---|---|
Heat sink |
F-CBS-F1 | Heatsink for TUNS100, CBS, DHS200, DHS250 series. (Horizontal style) |
- | |
| F-CBS-F2 | Heatsink for TUNS100, CBS, DHS200, DHS250 series. (Vertical style) |
- | ||
| F-CBS-F3 | Heatsink for TUNS100, CBS, DHS200, DHS250 series. (Horizontal style) |
- | ||
| F-CBS-F4 | Heatsink for TUNS100, CBS, DHS200, DHS250 series. (Vertical style) |
- | ||
| F-CBS-F5 | Heatsink for TUNS100, CBS, DHS200, DHS250 series. (Horizontal style) |
- | ||
| F-CBS-F6 | Heatsink for TUNS100, CBS, DHS200, DHS250 series. (Vertical style) |
- |