
Crowbar - 5V
STDCrowbar - 5V
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License
:CERN Open Hardware License
Creation time:2020-07-21 18:41:58Update time:2020-07-22 00:35:59
Description
A 5-volt crowbar. Typically used to protect a circuit against voltage surges. Uses precision voltage reference to limit voltage output to 5.2 volts. Will automatically reset when the voltage surge is removed.
Design Drawing
schematic diagram
PCB
BOM
ID | Name | Designator | Footprint | Quantity |
---|---|---|---|---|
1 | 5VDC In | J1 | LYNX_HEADER, PLUG-1.5X2 VERT | 1 |
2 | 5VDC Out | J2 | LYNX_HEADER, PLUG-1.5X2 VERT | 1 |
3 | Green | LED1 | LED0805-RD | 1 |
4 | LM431 | U1 | SOT-23-3_L2.9-W1.3-P1.90-LS2.4-BR | 1 |
5 | Triac | Q1 | SOT-223_L6.5-W3.5-P2.30-LS7.0-BR | 1 |

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