The description :

• IR2121 Mosfet Driver IC This is an integrated circuit in DIP-8 jacket and in the category of power control integrations.
• IR2121 Mosfet Driver IC offers output current up to 2A with voltage between 12V and 18V.
• IR2121 is a Mosfet driver integrated circuit suitable for Low Side type applications. The input delay of the IR2121 IC is 150 ns and the exit delay is 200 ns.

Specifications:

• Model : IR2121
• Type of packaging: DIP8
• Number of pins: 8
• Supply voltage: 12-18 V
• Input / output current: 1A / 2A
• Junction operating temperature range: -40 to 125C 0
• Technical sheet :https://pdf.direnc.net/upload/ir2121-mosfet-surucu-entegresi-dip-8-datasheet.pdf