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This article explains BC558 transistor pinout, equivalent, features, applications and other details about how and where to use this device.

Persamaan Transistor Bc 557 2017

Features / Technical Specifications

Package Type: TO-92
Transistor Type: PNP
Max Collector Current(I_C): -100mA
Max Collector-Emitter Voltage (V_CE): -30V
Max Collector-Base Voltage (V_CB): -30V
Max Emitter-Base Voltage (VBE): -5V
Max Collector Dissipation (Pc): 500 Milliwatt
Max Transition Frequency (fT): 100 MHz
Minimum & Maximum DC Current Gain (h_FE): 110 to 800
Max Storage & Operating temperature Should be: -65 to +150Centigrade

NPN Complementary

NPN Complementary of BC558 is BC548

Replacement and Equivalent

Alternative transistors for BC558 are BC559, 2N3906, BC338, 2N4403, A1015, BC557 (The pin configuration of the alternative transistors shown here may different from BC558, therefore it is recommended to always check the pin configuration before replacing in a circuit.)

BC558 Transistor Explained / Description

BC558 is a TO-92 packaged BJT transistor that can be used in many types of general purpose applications. It can be used as for any type of general amplification or switching. For using it as a switch to drive load it can handle 100mA of load with 30V. The collector dissipation is 500mW and maximum DC current gain is 800 therefore it can also be used as audio preamplifier purposes and audio amplification purposes. The emitter-base voltage is -5V due to which it can also be used at the output of microcontrollers. The device manufactured in three different part numbers like BC558A, BC558B and BC558C and the only difference between these three part numbers are their HFE values which can be detected by checking the last alphabet after the number, if the last alphabet is “A” then the HFE value will be 110~220, if “B” then 200~450 and if its “C” then it will be 420~800.

Where We Can Use BC558 Transistor & How to Use:

The transistors that are made for general purpose applications can be used in any type of normal requirements in electronic circuits. For example if used as a switch it can handle any load under 100mA like relays, LEDs, other big transistors, integrated circuits etc. On the other hand it can also be used as an audio amplifier or preamplifier and for any type of signal amplification.

Applications

Preamplifier

Persamaan Transistor Bc 557 Air

Audio amplifier

Any Signal Amplification

Darlington pair

Drive Load under 100mA

How to Get Long Term Performance

To get long term performance form C558 it is recommended to operate load more than 100mA, do not drive load of more than 30V, always use a suitable base resistor, check pin configuration before placing in the circuit and do not operate of store it in temperature below -65 centigrade and above +150 centigrade.

In this article you will find details on BC557 Transistor Pinout, Equivalent, Uses, Features, Applications, description about this transistor and how and where to use it in electronics.

Features / Technical Specifications:

Package Type: TO-92
Transistor Type: PNP
Max Collector Current(I_C): -100mA
Max Collector-Emitter Voltage (V_CE): -45V
Max Collector-Base Voltage (V_CB): -50V
Max Emitter-Base Voltage (VBE): -5V
Max Collector Dissipation (Pc): 500 Milliwatt
Max Transition Frequency (fT): 100 MHz
Minimum & Maximum DC Current Gain (h_FE): 125 to 800
Max Storage & Operating temperature Should be: -65 to +150Centigrade

NPN Complementary:

NPN Complementary of BC557 is BC547

Replacement and Equivalent:

Alternative transistors for BC557 are 2N3906, 2N4403, BC556, BC327 output pins of some equivalents are different please see pinout details of the equivalent transistor before replacing in the circuit.

BC557 Transistor Explained / Description:

BC557 is a widely used PNP bipolar junction transistor manufactured in small TO-92 package. It is a general purpose PNP transistor that can be used as a switch or amplifier in electronic circuits. Its HFE ratings are 125 to 800 which makes it an ideal transistor to use as a small signal amplifier in electronic circuits for example for audio signal amplification or other, the HFE ratings of BC557 can be determined by the last letter after its number for example BC557A HFE ratings are 110-220, BC557B HFE ratings are 200-450 and BC557C HFE ratings are 420-800. The max collector dissipation is 500 milliwatt which is also an another good point to use it in amplification stages. Moreover it will also perform well when used it as a switch for load under 100mA. The transistor has also good collector to emitter (VCE) value that is -45V, therefore you can easily use it in circuits using 40 to 45 volts DC.

Persamaan Transistor Bc557

Beside these uses BC557 is also a good general purpose PNP transistor to use in your hobby electronics projects therefore it is a must to have transistor in your electronics LAB.

Persamaan Transistor Bc 557

Where We Can Use it & How to Use:

As mentioned above BC557 is a general purpose transistor therefore it can be used wide variety of general purpose applications for example it can be used as an audio amplifier in small radios, electronic buzzers, electronic bells and other sound circuits that require small amplification. Due to the good gain of this transistor can also be used in audio preamplifier stages. Beside these uses this transistor can also perform as a switch in electronic applications for 100mA load, it can be used to switch any part of an electronic circuit, other high-power transistors, LEDs, relays etc.

Applications:

Preamplifier

Small signal audio amplifier

Driving Loads under 0.1mA or 100mA

Any general purpose application that comes under its ratings.

How to Safely Long Run in a Circuit:

To safely run this transistor for good performance for a long time in your electronic circuit it is essential to not operate transistor