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BC237 is a good high gain general purpose transistor. This post describes BC237 transistor pinout, equivalent, uses, specs and other information about this TO-92 package BJT transistor.

BC237 Transistor Pinout, Equivalent, Uses, Specs and other Information

Features / Technical Specifications

  • Package Type: TO-92
  • Transistor Type: NPN
  • Max Collector Current(IC): 100mA
  • Max Collector-Emitter Voltage (VCE): 45V
  • Max Collector-Base Voltage (VCB): 50V
  • Max Emitter-Base Voltage (VEBO): 6V
  • Max Collector Dissipation (Pc): 500 miliWatt
  • Max Transition Frequency (fT): 150 MHz
  • Minimum & Maximum DC Current Gain (hFE): 120 – 800
  • Max Storage & Operating temperature Should Be: -55 to 150 Centigrade

 

PNP Complementary

PNP Complementary of BC237 is BC307

Replacement and Equivalent

BC337BC547BC546, BC549, BC550, SS9014, C945 (Pin configuration of some these equivalent transistors may different from BC237, therefore it is necessary to check the transistor’s pinout before replacing)

 

BC237 Transistor Explained / Description

BC237 is a TO-92 package NPN BJT transistor designed for general purpose applications and can be used for both switching and amplifications purposes. The maximum collector current of the transistor is 100mA due to which it can be used to drive and control many loads in circuits that falls under 100mA. On the other hand the maximum collector dissipation of 500mW and max DC current gain of upto 800 makes it ideal to use in audio and other electronic signal amplification purposes. Due to the specs and features this transistor can be used in replacement of many other general purpose TO-92 BJT transistors. The device comes in three different part numbers and the only difference between part numbers is their last alphabet which defines the DC current gain value of the device. Like BC237A can provide DC current gain of 120 to 220, BC237B can provide gain of 180 to 460 and BC237C can provide gain of 380 to 800.

 

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