A disk drive includes a disk having a recording surface, a head stack assembly
that includes a body portion, an actuator arm cantilevered from the body portion
and a head gimbal assembly supported at the actuator arm. The head gimbal assembly
includes a suspension having a first end and a second end, the first end being
attached to the actuator arm, a slider coupled to the second end of the suspension,
the slider comprising a transducer for reading from and writing to the recording
surface. A gimbal is coupled to the second end of the suspension and to the slider.
An array of diodes is attached to the suspension to protect the transducer from
electrostatic discharge or electrical overstress events.
