S9018 25V 50mA NPN Transistor – Pack of 20


The S9018 is a bipolar 25V 50mA NPN transistor in a SOT-23 case. read more

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Collector Base Voltage:

Collector Current:

Collector Emitter Voltage:

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The S9018 is a bipolar 25V 50mA NPN transistor in a SOT-23 case.

When power is applied to an NPN transistors control pin, the power will travel from the collector to the emitter. NPN transistors are used for switching to ground on devices.



  • Collector Emitter Voltage: 18 V
  • Collector Base Voltage: 25 V
  • Emitter Base Voltage: 4 V
  • Collector Current: 50 mA
  • Collector Dissipation: 400 mW
  • Transition Frequency: 600 MHz
  • Mounting Style: SMD / SMT
  • Package / Case: SOT-23
  • Transistor Polarity: NPN
  • Configuration: Single
  • Operating Temperature: -65 ⁰C – 150 ⁰C



  • 20 x S9018 25V 50mA NPN Transistor

Additional information


Collector Base Voltage

Collector Current

Collector Emitter Voltage

Emitter Base Voltage

Mounting Type

Package / Case

Transistor Polarity


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