The B & SB series are unregulated DC-DC converters in an ultra-miniature encapsulated package – 1.12″ x 0.7″ footprint and low profile – 0.3″. Over 180 models are available in both single and dual outputs. They can operate over the temperature range of -25°C to +70°C without derating, a heat sink or active cooling.
Mounting
# of Outputs
Nominal Input Voltage (VDC)
Single Output Voltage (VDC)
Single Max Output Power (W)
Dual Output Voltage (VDC)
Dual Max Output Power (W)
| Part Number | Series | Mounting | # of Outputs | Output Type | Nominal Input Voltage (VDC) | Single Output Voltage (VDC) | Single Max Output Power (W) | Dual Output Voltage (VDC) | Dual Max Output Power (W) | Downloads |
|---|---|---|---|---|---|---|---|---|---|---|
| 5SB9S | SB | Surface Mount | Single | Proportional | 5 | 9 | 1.5 | – | – | |
| 5SB9D | SB | Surface Mount | Dual | Proportional | 5 | – | – | 9/9 | 0.75/0.75 | |
| 5SB5S | SB | Surface Mount | Single | Proportional | 5 | 5 | 1.5 | – | – | |
| 5SB5D | SB | Surface Mount | Dual | Proportional | 5 | – | – | 5/5 | 0.75/0.75 | |
| 5SB5.2S | SB | Surface Mount | Single | Proportional | 5 | 5.2 | 1.5 | – | – | |
| 5SB48S | SB | Surface Mount | Single | Proportional | 5 | 48 | 1.5 | – | – | |
| 5SB48D | SB | Surface Mount | Dual | Proportional | 5 | – | – | 48/48 | 0.75/0.75 | |
| 5SB3.3S | SB | Surface Mount | Single | Proportional | 5 | 3.3 | 1.5 | – | – | |
| 5SB28S | SB | Surface Mount | Single | Proportional | 5 | 28 | 1.5 | – | – | |
| 5SB28D | SB | Surface Mount | Dual | Proportional | 5 | – | – | 28/28 | 0.75/0.75 | |
| 5SB24S | SB | Surface Mount | Single | Proportional | 5 | 24 | 1.5 | – | – | |
| 5SB24D | SB | Surface Mount | Dual | Proportional | 5 | – | – | 24/24 | 0.75/0.75 | |
| 5SB15S | SB | Surface Mount | Single | Proportional | 5 | 15 | 1.5 | – | – | |
| 5SB15D | SB | Surface Mount | Dual | Proportional | 5 | – | – | 15/15 | 0.75/0.75 | |
| 5SB12S | SB | Surface Mount | Single | Proportional | 5 | 12 | 1.5 | – | – | |
| 5SB12D | SB | Surface Mount | Dual | Proportional | 5 | – | – | 12/12 | 0.75/0.75 | |
| 5B9S | B | Through Hole | Single | Proportional | 5 | 9 | 1.5 | – | – | |
| 5B9D | B | Through Hole | Dual | Proportional | 5 | – | – | 9/9 | 0.75/0.75 | |
| 5B5S | B | Through Hole | Single | Proportional | 5 | 5 | 1.5 | – | – | |
| 5B5D | B | Through Hole | Dual | Proportional | 5 | – | – | 5/5 | 0.75/0.75 | |
| 5B5.2S | B | Through Hole | Single | Proportional | 5 | 5.2 | 1.5 | – | – | |
| 5B48S | B | Through Hole | Single | Proportional | 5 | 48 | 1.5 | – | – | |
| 5B48D | B | Through Hole | Dual | Proportional | 5 | – | – | 48/48 | 0.75/0.75 | |
| 5B3.3S | B | Through Hole | Single | Proportional | 5 | 3.3 | 1.5 | – | – | |
| 5B28S | B | Through Hole | Single | Proportional | 5 | 28 | 1.5 | – | – | |
| 5B28D | B | Through Hole | Dual | Proportional | 5 | – | – | 28/28 | 0.75/0.75 | |
| 5B24S | B | Through Hole | Single | Proportional | 5 | 24 | 1.5 | – | – | |
| 5B24D | B | Through Hole | Dual | Proportional | 5 | – | – | 24/24 | 0.75/0.75 | |
| 5B15S | B | Through Hole | Single | Proportional | 5 | 15 | 1.5 | – | – | |
| 5B15D | B | Through Hole | Dual | Proportional | 5 | – | – | 15/15 | 0.75/0.75 | |
| 5B12S | B | Through Hole | Single | Proportional | 5 | 12 | 1.5 | – | – | |
| 5B12D | B | Through Hole | Dual | Proportional | 5 | – | – | 12/12 | 0.75/0.75 | |
| 48SB9S | SB | Surface Mount | Single | Proportional | 48 | 9 | 2 | – | – | |
| 48SB9D | SB | Surface Mount | Dual | Proportional | 48 | – | – | 9/9 | 1/1 | |
| 48SB5S | SB | Surface Mount | Single | Proportional | 48 | 5 | 1.5 | – | – | |
| 48SB5D | SB | Surface Mount | Dual | Proportional | 48 | – | – | 5/5 | 0.75/0.75 | |
| 48SB5.2S | SB | Surface Mount | Single | Proportional | 48 | 5.2 | 1.5 | – | – | |
| 48SB3.3S | SB | Surface Mount | Single | Proportional | 48 | 3.3 | 1.5 | – | – | |
| 48SB28S | SB | Surface Mount | Single | Proportional | 48 | 28 | 2.5 | – | – | |
| 48SB28D | SB | Surface Mount | Dual | Proportional | 48 | – | – | 28/28 | 1.25/1.25 | |
| 48SB24S | SB | Surface Mount | Single | Proportional | 48 | 24 | 2.5 | – | – | |
| 48SB24D | SB | Surface Mount | Dual | Proportional | 48 | – | – | 24/24 | 1.25/1.25 | |
| 48SB15S | SB | Surface Mount | Single | Proportional | 48 | 15 | 2 | – | – | |
| 48SB15D | SB | Surface Mount | Dual | Proportional | 48 | – | – | 15/15 | 1/1 | |
| 48SB12S | SB | Surface Mount | Single | Proportional | 48 | 12 | 2 | – | – | |
| 48SB12D | SB | Surface Mount | Dual | Proportional | 48 | – | – | 12/12 | 1/1 | |
| 48B9S | B | Through Hole | Single | Proportional | 48 | 9 | 2 | – | – | |
| 48B9D | B | Through Hole | Dual | Proportional | 48 | – | – | 9/9 | 1/1 | |
| 48B5S | B | Through Hole | Single | Proportional | 48 | 5 | 1.5 | – | – | |
| 48B5D | B | Through Hole | Dual | Proportional | 48 | – | – | 5/5 | 0.75/0.75 | |
| 48B5.2S | B | Through Hole | Single | Proportional | 48 | 5.2 | 1.5 | – | – | |
| 48B3.3S | B | Through Hole | Single | Proportional | 48 | 3.3 | 1.5 | – | – | |
| 48B28S | B | Through Hole | Single | Proportional | 48 | 28 | 2.5 | – | – | |
| 48B28D | B | Through Hole | Dual | Proportional | 48 | – | – | 28/28 | 1.25/1.25 | |
| 48B24S | B | Through Hole | Single | Proportional | 48 | 24 | 2.5 | – | – | |
| 48B24D | B | Through Hole | Dual | Proportional | 48 | – | – | 24/24 | 1.25/1.25 | |
| 48B15S | B | Through Hole | Single | Proportional | 48 | 15 | 2 | – | – | |
| 48B15D | B | Through Hole | Dual | Proportional | 48 | – | – | 15/15 | 1/1 | |
| 48B12S | B | Through Hole | Single | Proportional | 48 | 12 | 2 | – | – | |
| 48B12D | B | Through Hole | Dual | Proportional | 48 | – | – | 12/12 | 1/1 | |
| 28SB9S | SB | Surface Mount | Single | Proportional | 28 | 9 | 2 | – | – | |
| 28SB9D | SB | Surface Mount | Dual | Proportional | 28 | – | – | 9/9 | 1/1 | |
| 28SB5S | SB | Surface Mount | Single | Proportional | 28 | 5 | 1.5 | – | – | |
| 28SB5D | SB | Surface Mount | Dual | Proportional | 28 | – | – | 5/5 | 0.75/0.75 | |
| 28SB5.2S | SB | Surface Mount | Single | Proportional | 28 | 5.2 | 1.5 | – | – | |
| 28SB48S | SB | Surface Mount | Single | Proportional | 28 | 48 | 2.5 | – | – | |
| 28SB48D | SB | Surface Mount | Dual | Proportional | 28 | – | – | 48/48 | 1.25/1.25 | |
| 28SB3.3S | SB | Surface Mount | Single | Proportional | 28 | 3.3 | 1.5 | – | – | |
| 28SB28S | SB | Surface Mount | Single | Proportional | 28 | 28 | 2.5 | – | – | |
| 28SB28D | SB | Surface Mount | Dual | Proportional | 28 | – | – | 28/28 | 1.25/1.25 | |
| 28SB24S | SB | Surface Mount | Single | Proportional | 28 | 24 | 2.5 | – | – | |
| 28SB24D | SB | Surface Mount | Dual | Proportional | 28 | – | – | 24/24 | 1.25/1.25 | |
| 28SB15S | SB | Surface Mount | Single | Proportional | 28 | 15 | 2 | – | – | |
| 28SB15D | SB | Surface Mount | Dual | Proportional | 28 | – | – | 15/15 | 1/1 | |
| 28SB12S | SB | Surface Mount | Single | Proportional | 28 | 12 | 2 | – | – | |
| 28SB12D | SB | Surface Mount | Dual | Proportional | 28 | – | – | 12/12 | 1/1 | |
| 28B9S | B | Through Hole | Single | Proportional | 28 | 9 | 2 | – | – | |
| 28B9D | B | Through Hole | Dual | Proportional | 28 | – | – | 9/9 | 1/1 | |
| 28B5S | B | Through Hole | Single | Proportional | 28 | 5 | 1.5 | – | – | |
| 28B5D | B | Through Hole | Dual | Proportional | 28 | – | – | 5/5 | 0.75/0.75 | |
| 28B5.2S | B | Through Hole | Single | Proportional | 28 | 5.2 | 1.5 | – | – | |
| 28B48S | B | Through Hole | Single | Proportional | 28 | 48 | 2.5 | – | – | |
| 28B48D | B | Through Hole | Dual | Proportional | 28 | – | – | 48/48 | 1.25/1.25 | |
| 28B3.3S | B | Through Hole | Single | Proportional | 28 | 3.3 | 1.5 | – | – | |
| 28B28S | B | Through Hole | Single | Proportional | 28 | 28 | 2.5 | – | – | |
| 28B28D | B | Through Hole | Dual | Proportional | 28 | – | – | 28/28 | 1.25/1.25 | |
| 28B24S | B | Through Hole | Single | Proportional | 28 | 24 | 2.5 | – | – | |
| 28B24D | B | Through Hole | Dual | Proportional | 28 | – | – | 24/24 | 1.25/1.25 | |
| 28B15S | B | Through Hole | Single | Proportional | 28 | 15 | 2 | – | – | |
| 28B15D | B | Through Hole | Dual | Proportional | 28 | – | – | 15/15 | 1/1 | |
| 28B12S | B | Through Hole | Single | Proportional | 28 | 12 | 2 | – | – | |
| 28B12D | B | Through Hole | Dual | Proportional | 28 | – | – | 12/12 | 1/1 | |
| 24SB9S | SB | Surface Mount | Single | Proportional | 24 | 9 | 2 | – | – | |
| 24SB9D | SB | Surface Mount | Dual | Proportional | 24 | – | – | 9/9 | 1/1 | |
| 24SB5S | SB | Surface Mount | Single | Proportional | 24 | 5 | 1.5 | – | – | |
| 24SB5D | SB | Surface Mount | Dual | Proportional | 24 | – | – | 5/5 | 0.75/0.75 | |
| 24SB5.2S | SB | Surface Mount | Single | Proportional | 24 | 5.2 | 1.5 | – | – | |
| 24SB48S | SB | Surface Mount | Single | Proportional | 24 | 48 | 2.5 | – | – | |
| 24SB48D | SB | Surface Mount | Dual | Proportional | 24 | – | – | 48/48 | 1.25/1.25 | |
| 24SB3.3S | SB | Surface Mount | Single | Proportional | 24 | 3.3 | 1.5 | – | – | |
| 24SB28S | SB | Surface Mount | Single | Proportional | 24 | 28 | 2.5 | – | – | |
| 24SB28D | SB | Surface Mount | Dual | Proportional | 24 | – | – | 28/28 | 1.25/1.25 | |
| 24SB24S | SB | Surface Mount | Single | Proportional | 24 | 24 | 2.5 | – | – | |
| 24SB24D | SB | Surface Mount | Dual | Proportional | 24 | – | – | 24/24 | 1.25/1.25 | |
| 24SB15S | SB | Surface Mount | Single | Proportional | 24 | 15 | 2 | – | – | |
| 24SB15D | SB | Surface Mount | Dual | Proportional | 24 | – | – | 15/15 | 1/1 | |
| 24SB12S | SB | Surface Mount | Single | Proportional | 24 | 12 | 2 | – | – | |
| 24SB12D | SB | Surface Mount | Dual | Proportional | 24 | – | – | 12/12 | 1/1 | |
| 24B9S | B | Through Hole | Single | Proportional | 24 | 9 | 2 | – | – | |
| 24B9D | B | Through Hole | Dual | Proportional | 24 | – | – | 9/9 | 1/1 | |
| 24B5S | B | Through Hole | Single | Proportional | 24 | 5 | 1.5 | – | – | |
| 24B5D | B | Through Hole | Dual | Proportional | 24 | – | – | 5/5 | 0.75/0.75 | |
| 24B5.2S | B | Through Hole | Single | Proportional | 24 | 5.2 | 1.5 | – | – | |
| 24B48S | B | Through Hole | Single | Proportional | 24 | 48 | 2.5 | – | – | |
| 24B48D | B | Through Hole | Dual | Proportional | 24 | – | – | 48/48 | 1.25/1.25 | |
| 24B3.3S | B | Through Hole | Single | Proportional | 24 | 3.3 | 1.5 | – | – | |
| 24B28S | B | Through Hole | Single | Proportional | 24 | 28 | 2.5 | – | – | |
| 24B28D | B | Through Hole | Dual | Proportional | 24 | – | – | 28/28 | 1.25/1.25 | |
| 24B24S | B | Through Hole | Single | Proportional | 24 | 24 | 2.5 | – | – | |
| 24B24D | B | Through Hole | Dual | Proportional | 24 | – | – | 24/24 | 1.25/1.25 | |
| 24B15S | B | Through Hole | Single | Proportional | 24 | 15 | 2 | – | – | |
| 24B15D | B | Through Hole | Dual | Proportional | 24 | – | – | 15/15 | 1/1 | |
| 24B12S | B | Through Hole | Single | Proportional | 24 | 12 | 2 | – | – | |
| 24B12D | B | Through Hole | Dual | Proportional | 24 | – | – | 12/12 | 1/1 | |
| 15SB9S | SB | Surface Mount | Single | Proportional | 15 | 9 | 2 | – | – | |
| 15SB9D | SB | Surface Mount | Dual | Proportional | 15 | – | – | 9/9 | 1/1 | |
| 15SB5S | SB | Surface Mount | Single | Proportional | 15 | 5 | 1.5 | – | – | |
| 15SB5D | SB | Surface Mount | Dual | Proportional | 15 | – | – | 5/5 | 0.75/0.75 | |
| 15SB5.2S | SB | Surface Mount | Single | Proportional | 15 | 5.2 | 1.5 | – | – | |
| 15SB48S | SB | Surface Mount | Single | Proportional | 15 | 48 | 2 | – | – | |
| 15SB48D | SB | Surface Mount | Dual | Proportional | 15 | – | – | 48/48 | 1/1 | |
| 15SB3.3S | SB | Surface Mount | Single | Proportional | 15 | 3.3 | 1.5 | – | – | |
| 15SB28S | SB | Surface Mount | Single | Proportional | 15 | 28 | 2 | – | – | |
| 15SB28D | SB | Surface Mount | Dual | Proportional | 15 | – | – | 28/28 | 1/1 | |
| 15SB24D | SB | Surface Mount | Dual | Proportional | 15 | – | – | 24/24 | 1/1 | |
| 15SB15S | SB | Surface Mount | Single | Proportional | 15 | 15 | 2 | – | – | |
| 15SB15S | SB | Surface Mount | Single | Proportional | 15 | 24 | 2 | – | – | |
| 15SB15D | SB | Surface Mount | Dual | Proportional | 15 | – | – | 15/15 | 1/1 | |
| 15SB12S | SB | Surface Mount | Single | Proportional | 15 | 12 | 2 | – | – | |
| 15SB12D | SB | Surface Mount | Dual | Proportional | 15 | – | – | 12/12 | 1/1 | |
| 15B9S | B | Through Hole | Single | Proportional | 15 | 9 | 2 | – | – | |
| 15B9D | B | Through Hole | Dual | Proportional | 15 | – | – | 9/9 | 1/1 | |
| 15B5S | B | Through Hole | Single | Proportional | 15 | 5 | 1.5 | – | – | |
| 15B5D | B | Through Hole | Dual | Proportional | 15 | – | – | 5/5 | 0.75/0.75 | |
| 15B5.2S | B | Through Hole | Single | Proportional | 15 | 5.2 | 1.5 | – | – | |
| 15B48S | B | Through Hole | Single | Proportional | 15 | 48 | 2 | – | – | |
| 15B48D | B | Through Hole | Dual | Proportional | 15 | – | – | 48/48 | 1/1 | |
| 15B3.3S | B | Through Hole | Single | Proportional | 15 | 3.3 | 1.5 | – | – | |
| 15B28S | B | Through Hole | Single | Proportional | 15 | 28 | 2 | – | – | |
| 15B28D | B | Through Hole | Dual | Proportional | 15 | – | – | 28/28 | 1/1 | |
| 15B24D | B | Through Hole | Dual | Proportional | 15 | – | – | 24/24 | 1/1 | |
| 15B15S | B | Through Hole | Single | Proportional | 15 | 15 | 2 | – | – | |
| 15B15S | B | Through Hole | Single | Proportional | 15 | 24 | 2 | – | – | |
| 15B15D | B | Through Hole | Dual | Proportional | 15 | – | – | 15/15 | 1/1 | |
| 15B12S | B | Through Hole | Single | Proportional | 15 | 12 | 2 | – | – | |
| 15B12D | B | Through Hole | Dual | Proportional | 15 | – | – | 12/12 | 1/1 | |
| 12SB9S | SB | Surface Mount | Single | Proportional | 12 | 9 | 2 | – | – | |
| 12SB9D | SB | Surface Mount | Dual | Proportional | 12 | – | – | 9/9 | 1/1 | |
| 12SB5S | SB | Surface Mount | Single | Proportional | 12 | 5 | 1.5 | – | – | |
| 12SB5D | SB | Surface Mount | Dual | Proportional | 12 | – | – | 5/5 | 0.75/0.75 | |
| 12SB5.2S | SB | Surface Mount | Single | Proportional | 12 | 5.2 | 1.5 | – | – | |
| 12SB48S | SB | Surface Mount | Single | Proportional | 12 | 48 | 2 | – | – | |
| 12SB48D | SB | Surface Mount | Dual | Proportional | 12 | – | – | 48/48 | 1/1 | |
| 12SB3.3S | SB | Surface Mount | Single | Proportional | 12 | 3.3 | 1.5 | – | – | |
| 12SB28S | SB | Surface Mount | Single | Proportional | 12 | 28 | 2 | – | – | |
| 12SB28D | SB | Surface Mount | Dual | Proportional | 12 | – | – | 28/28 | 1/1 | |
| 12SB24S | SB | Surface Mount | Single | Proportional | 12 | 24 | 2 | – | – | |
| 12SB24D | SB | Surface Mount | Dual | Proportional | 12 | – | – | 24/24 | 1/1 | |
| 12SB15S | SB | Surface Mount | Single | Proportional | 12 | 15 | 2 | – | – | |
| 12SB15D | SB | Surface Mount | Dual | Proportional | 12 | – | – | 15/15 | 1/1 | |
| 12SB12S | SB | Surface Mount | Single | Proportional | 12 | 12 | 2 | – | – | |
| 12SB12D | SB | Surface Mount | Dual | Proportional | 12 | – | – | 12/12 | 1/1 | |
| 12B9S | B | Through Hole | Single | Proportional | 12 | 9 | 2 | – | – | |
| 12B9D | B | Through Hole | Dual | Proportional | 12 | – | – | 9/9 | 1/1 | |
| 12B5S | B | Through Hole | Single | Proportional | 12 | 5 | 1.5 | – | – | |
| 12B5D | B | Through Hole | Dual | Proportional | 12 | – | – | 5/5 | 0.75/0.75 | |
| 12B5.2S | B | Through Hole | Single | Proportional | 12 | 5.2 | 1.5 | – | – | |
| 12B48S | B | Through Hole | Single | Proportional | 12 | 48 | 2 | – | – | |
| 12B48D | B | Through Hole | Dual | Proportional | 12 | – | – | 48/48 | 1/1 | |
| 12B3.3S | B | Through Hole | Single | Proportional | 12 | 3.3 | 1.5 | – | – | |
| 12B28S | B | Through Hole | Single | Proportional | 12 | 28 | 2 | – | – | |
| 12B28D | B | Through Hole | Dual | Proportional | 12 | – | – | 28/28 | 1/1 | |
| 12B24S | B | Through Hole | Single | Proportional | 12 | 24 | 2 | – | – | |
| 12B24D | B | Through Hole | Dual | Proportional | 12 | – | – | 24/24 | 1/1 | |
| 12B15S | B | Through Hole | Single | Proportional | 12 | 15 | 2 | – | – | |
| 12B15D | B | Through Hole | Dual | Proportional | 12 | – | – | 15/15 | 1/1 | |
| 12B12S | B | Through Hole | Single | Proportional | 12 | 12 | 2 | – | – | |
| 12B12D | B | Through Hole | Dual | Proportional | 12 | – | – | 12/12 | 1/1 |
