QuickSpecs HPE OfficeConnect 1420 Switch Series Configuration Information Page 4 Build To Order : BTO is a standalone unit with no integration. HER305, HER307 Power Diodes - Fast Recovery Page 2 08/05/06 V1.0 Type Number Symbol HER305 HER307 Unit Typical junction capacitance (Note 2) Cj 70 50 pF Typical thermal resistance (Note 3) RθJA 40 °C/W

7401 Quad 2-input NAND Gates with Open-collector Outputs DM5401 DM7401 Quad 2-Input NAND Gates with Open-Collector Outputs. This device contains four independent gates each of which performs the logic NAND function The open-collector outputs require external pull-up resistors for proper logical operation. Unicorn face masks recalled after customers report skin irritation. Top Stories. A letter to the family of the child who saved her life.