This is a Transient Voltage Suppressor (TVS, transzorb). It will dissipate (short) pulses of over 400V. It is rated at 1500W for 1 milliseconds. This TVS is bi-directional.
Related products: |
TVS-B6V8-1500 | 1.5KE6V8CA bi-directional TVS 6.8V 1500W/1ms |