BZT52HC 830mW Zener Diodes Diodes Incorporated BZT52HC 830mW Zener Diodes are housed in a surface-mount package and feature a flat lead design for a low profile. The BZT52HC has high power dissipation and is AEC-Q101 qualified for use in automotive applications. The diodes are totally lead-free and fully RoHS compliant. Diodes Incorporated BZT52HC 830mW Zener Diodes are ideal for computers, cellphones, and consumer goods.