BAS45A 125V 0.25A Low Leakage Diode – Datasheet

The BAS45A Rectifier Diode is a general-purpose silicon diode commonly used as a blocking diode or as a rectifier in power supplies converting AC power to DC power. The BAS45A has a continuous blocking voltage of 125V and can carry up to 0.25A of current. The forward voltage of the diode drop is 1.0V.

Features of BAS45A

  • High Reliability
  • Good power handling capability
  • Low forward voltage
  • High forward surge capability
  • Low leakage current

Pinout of BAS45A

Specification of BAS45A

Package TypeDO-34
Diode Element MaterialSILICON
Operating Temperature-Max175.0 Cel
Output Current-Max0.25 A
Peak Repeat. Reverse Voltage125 V
Max. Reverse Current (Ir)0.025 mA
Max. Forward Voltage Drop1.0 V
Average Rectified Current (Io)2.0 A

Uses of BAS45A

The BAS45A can be used in many applications and is primarily built for rectification such as battery chargers, power supplies, and voltage boosters. Other than that, it can be used in any general-purpose application that can block current in the desired direction in a circuit or block voltage spikes.


  • Power supply for electronic equipment
  • Battery charging circuit
  • Adapter
  • Rectifier circuit
  • Switching device
  • Purpose of short-circuit protection
  • Voltage Blocking
  • Voltage Doublers Circuits

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