BC636 Transistor Pinout Details, Equivalents, Features, Applications and More

If you are looking for a TO-92 package PNP transistor that has a load driving capability of 1A than BC636 can be a good choice. In this post we will discuss BC636 transistor pinout details, equivalents, features, applications and also discuss about other useful information about this transistor.

Absolute Maximum Ratings:

• Package Type: TO-92
• Transistor Type: PNP
• Max Collector Current(I_C): -1A
• Max Peak Collector Current (I_CP): -1.5A
• Max Collector-Emitter Voltage (V_CEO): -45V
• Max Emitter-Base Voltage (VEBO): -5V
• Max Base Current (I_B): -100mA
• Max Collector Power Dissipation (Pc): 1W
• Max Transition Frequency (fT): 100 MHz
• Minimum & Maximum DC Current Gain (h_FE): 25 – 250
• Max Storage & Operating temperature Should Be: –65 to +150 Centigrade

 

PNP Complementary:

NPN Complementary of BC636 is BC635

 

Replacement and Equivalent:

BC638, BD640, A1241, 2SB985, 2SB892, 2SB1312, 2SB1066, 2N6732

 

BD239 Transistor Explained / Description:

BC636 is a quite interesting transistor of BD63x series which also contains other transistors such as BD638 and BC640. The complimentary series of these transistors are also available BC635, BC637, and BC639. Both the series of NPN and PNP transistors have quite good features which makes these transistor ideal to use in wide variety of applications.

Looking at the absolute maximum rating of the BC636 transistor, the maximum collector to emitter voltage is -45V, max collector current is -1A, max peak collector current is -1.5A, max emitter-base voltage is -5V, max base current is 100mA, max collector power dissipation is 1W, max junction temperature is 150 °C and max storage temperature is from -65 °C to 150 °C.

The pin configurations are as follows: the first pin is Emitter, second pin is Collector and the third pin is Base.

The BC636 and all the transistors in the series and in their NPN series are designed to be used in amplifier and switching applications but due to its good electrical characteristics it can also be used in a wide variety of other applications. A detailed list of these applications can be found under the applications heading.

 

Where We Can Use it & How to Use:

As discussed BC636 and its series are designed to be used in amplifier and switching applications but can also be used in a variety of other applications such as signal amplifying circuits, sensor circuits, RF circuits, etc. The using procedure of the transistor is the same as we use any other BJT transistor by feeding the negative signal (the signal which you want to amplify or from which you want to control the output load) at its Base, connecting the Emitter with the positive supply of the circuit and connecting the Collector pin with the positive pin of the load and the negative pin of the load will be connected with the ground or negative supply of the circuit.

 

Applications:

Audio Amplifier Stages

Darlington Pairs

Transmitter Circuits (Up to around 100MHz)

Radio Circuits (Up to around 100MHz)

Active Filters

Switching Loads under 1A

PWM Circuits (For Small Motors and Other Loads)

 

Safe Operating Guidelines:

Here are the safe operating guidelines for the transistor.

• Do not use the transistor to its absolute maximum ratings and always stay 20% below from these ratings.
• So the maximum collector current of the transistor is 1A but according to the above guideline, we will not drive load of more than 800mA or 0.8mA.
• The maximum collector-emitter voltage is -45V but we will only drive the loads under 36V.
• The transistor should be used or stored at temperatures above -65°C and below 150°C.

 

Datasheet:

To download the datasheet just copy and paste the below link in your browser.

https://www.mouser.com/datasheet/2/149/BC636-30648.pdf