View bzt52h-series datasheet:

BZT52H series Voltage regulator diodes Rev. 4 — 21 January 2019 Product data sheet 1. Product profile 1.1. General description General-purpose Zener diodes in an SOD123F small and flat lead Surface-Mounted Device (SMD) plastic package. 1.2. Features and benefits • Total power dissipation: ≤ 830 mW • Wide working voltage range: nominal 2.4 V to 75 V (E24 range) • Small plastic package suitable for surface-mounted design • AEC-Q101 qualified 1.3. Applications • General regulation functions 1.4. Quick reference data Table 1. Quick reference data Symbol Parameter Conditions Min Typ Max Unit VF forward voltage IF = 10 mA [1] - - 0.9 V Ptot total power dissipation Tamb ≤ 25 °C [2] - - 375 mW [3] - - 830 mW [1] Pulse test: tp ≤ 300 μs; δ ≤ 0.02. [2]