Inside the PDI-6221MG servomotor : Microcontrollers: STM8S003F3 8-bit MCU with 8 Kbytes Flash, 16 MHz CPU, integrated EEPROM 16 MHz H-Bridge : Dual N-Mosfet : VB3222 (www.VBsemi.com) VDS max : 20V ID max : 4.8A Dual P-Mosfet : VBZA495 (www.VBsemi.com) VDS max : -30V ID max : -7.3A Metal gear :