Supercaps for automotive memory and RTC back-up

“Optimised design and materials enable a service life of up to 1,000 hours at 85°C or 105°C, and the components meet the special requirements of the 85°C, 85% relative humidity, 1,000 hour test [‘THB test’] for the automotive industry,” according to distributor Rutronik, which is stocking the parts. “Thanks to their characteristics, the components are ideal for memory backup and RTC support. They fulfill the requirements of AEC-Q200 and are produced in a TS16949 certified factory.”

The capacitors are:

• 1F FU0H105ZF (above)
  -40 to +85°C
  4,000h service at 85°C 5.5V
  21.5mm dia x 15mm
• 330mF FMU0H334ZF (right)
  -40 to +105°C
  1,000h service at 105°C 5.5V
  15 x 14 x 9mm
• 330mF FMD0H334ZF:
  -40 to +85°C
  1,000h service at 85°C 5.5V
  15 x 14 x 9mm

Rutronik’s product page for the FMU0H334ZF can be found here