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Diotec Semiconductor BZX84B20-AQ Zener Diode

Diotec Semiconductor BZX84B20-AQ Zener Diode features 20V nominal Zener voltage with ±2% tolerance and 0.050µA leakage current. This diode offers a 300mW power dissipation rating and 55Ω dynamic resistance. The BZX84B20-AQ Zener diode is housed in a compact SOT‑23 surface‑mount package and is AEC‑Q101 qualified. This diode is lead (Pb) and halogen-free. The BZX84B20-AQ Zener diode supports -50°C to 150°C junction and storage temperature range. This diode is ideal for voltage stabilization and regulators.

Features

  • Sharp Zener voltage breakdown
  • Low leakage current
  • AEC-Q101 qualified
  • RoHS compliant

Applications

  • Voltage stabilization
  • Regulators

Specifications

  • Zener voltage (I=5mA):
    • 19.6V minimum
    • 20V nominal
    • 20.4V maximum
  • 300mW power dissipation
  • 0.050 µA leakage current at 14V
  • 55Ω dynamic resistance
  • 0.01g weight
  • -50°C to 150°C junction and storage temperature range

Dimension Diagram

Mechanical Drawing - Diotec Semiconductor BZX84B20-AQ Zener Diode
Published: 2026-03-02 | Updated: 2026-03-06