There are 2 different types of 'coil'; one has copper on it (IUD) and the other contains hormone (Mirena IUS). Both are over 99% effective at protecting against pregnancy.
CAT24C01YIGT3
EmersonCAT25040VIG
EmersonCAT28C65BX12
EmersonCAT25256VIGT3
EmersonEEPROM Serial-SPI 256K-bit 32K x 8 2.5V/3.3V/5V 8-Pin SOIC N T/R (Alt: CAT25256VI-GT3)CAT24C08WIGT3
EmersonEEPROM, 8KBIT, 100KHZ, I2C, SOIC-8CAT25020YIG
EmersonCAT28F001T90B
EmersonCAT28F512PI-90
EmersonCAT25010VIG
EmersonEEPROM Serial-SPI 1K-bit 128 x 8 2.5V/3.3V/5V 8-Pin SOIC N T/R (Alt: CAT25010VI-GT3)CAT28C16AKI-20
Emerson