Suggested OVP Zener Diodes for PT79 Series ISRs (Rev. A)

Texas Instruments

Published Date: 08/03/2000

Description

The PT79SR100 requires an over-voltage protection (OVP) zener diode on the output to prevent turn-on overshoot. The table below lists the appropriate zener voltage and suggested zener diode part number. We recommend the 1N53xxB series because of its surge current rating.

Parts

Part Number Name Companion Part
PT78NR103H PT78NR103H Buy Datasheet
PT78NR103V PT78NR103V Buy Datasheet
PT78NR108ST PT78NR108ST Buy Datasheet
PT78NR108V PT78NR108V Buy Datasheet
PT78ST107ST PT78ST107ST Buy Datasheet
PT78ST115ST PT78ST115ST Buy Datasheet
PT79SR105T PT79SR105T Buy Datasheet
PT79SR112S PT79SR112S Buy Datasheet
PT79SR115T PT79SR115T Buy Datasheet