License

CERN Open Hardware License

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Crowbar - 5V

4 months ago 127
  • Description
  • Documents
  • BOM
  • Attachments
  • Members
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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.

Documents

Schematic

Crowbar PCB

BOM

ID Name Designator Footprint Quantity BOM_Manufacturer Part BOM_Manufacturer BOM_Supplier BOM_Supplier Part
1 5VDC In J1 LYNX_HEADER, PLUG-1.5X2 VERT 1 OSTOQ023250 Onshore Digi-Key ED2819-ND
2 5VDC Out J2 LYNX_HEADER, PLUG-1.5X2 VERT 1 OSTOQ023250 Onshore Digi-Key ED2819-ND
3 Green LED1 LED0805-RD 1 0805G (Green) KENTO LCSC C2297
4 LM431 U1 SOT-23-3_L2.9-W1.3-P1.90-LS2.4-BR 1 LM431CIM3X/NOPB Texas Instruments LCSC C132067
5 Triac Q1 SOT-223_L6.5-W3.5-P2.30-LS7.0-BR 1 Z0103MN5AA4 STMicroelectronics LCSC C163595
6 220R R3,R4 R0805 2 0805W8F2200T5E UniOhm LCSC C17557
7 4.64k R2 R0805 1 0805W8F4641T5E Uniroyal Elec LCSC C17671
8 5.11k R1 R0805 1 0805W8F5111T5E Uniroyal Elec LCSC C46039
9 TVS-SMBJ5 D1 SMB_L4.6-W3.6-LS5.3-RD 1 SMBJ5.0A Littelfuse LCSC C83333
10 2A Hold F1 F1812 1 SMD1812P200TF16 RUILON LCSC C20812

Attachments

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