link to page 1 link to page 1 link to page 1 BZX58550 seriesLow-current voltage regulator diodesRev. 1 — 24 August 2021Product data sheet1. General description Low-current voltage regulator diodes in an SOD523 (SC-79) ultra small and flat lead Surface- Mounted Device (SMD) plastic package. 2. Features and benefits • Total power dissipation: ≤ 300 mW • Tolerance series: approximately ± 5 % • Working voltage range: nominal 1.8 V to 75 V • Specified at a low test current (50 μA), ideal for low bias and portable battery-powered applications 3. Applications • Low-current general regulation functions 4. Quick reference data Table 1. Quick reference dataSymbolParameterConditionsMinTypMaxUnit VF forward voltage IF = 10 mA [1] - - 0.9 V Ptot total power dissipation Tamb ≤ 25 °C [2] - - 300 mW [1] Pulse test: tp ≤ 300 μs; δ ≤ 0.02 [2] Device mounted on an FR4 Printed-Circuit Board (PCB), with approximately 35 mm2 Cu area at cathode tab. 5. Pinning information Table 2. PinningPinSymbolDescriptionSimplified outlineGraphic symbol 1 K cathode [1] K A 1 2 2 A anode 006aaa152 [1] The marking bar indicates the cathode. Document Outline 1. General description 2. Features and benefits 3. Applications 4. Quick reference data 5. Pinning information 6. Ordering information 7. Marking 8. Limiting values 9. Thermal characteristics 10. Characteristics 11. Package outline 12. Soldering 13. Revision history 14. Legal information Contents