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BC558 Transistor: Pinout, Alternatives and Datasheet

TRANS PNP 30V 0.1A TO-92 Hello Everyone! I am glad to see you here.

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Aug 5, 2021

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Transistor As a Switch |NPN & PNP|BC547|BC558|(Self Quarantine 6th Day)

 

TRANS PNP 30V 0.1A TO-92

Hello Everyone! I am glad to see you here. I welcome you on board. In this post today, I’ll be discussing the Introduction to BC558. BC558 is a bipolar junction transistor used for amplification and switching purposes. This article is about its pinout, alternatives,datasheet and other detailed information.

BC558C

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BC558 Description

BC558 is a bipolar junction transistor used for amplification and switching purposes. It belongs to the PNP transistor family and is available in a TO-92 package. 

 

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.

BC558 Pinout

BC558 CAD Model

Symbol

 

Footprint

BC558 Features

◆Package Type: TO-92

◆ Transistor Type: PNP

◆ Max Collector Current(IC): -100mA

◆ Peak Collector current (Ic) is 200mA

◆ Base Current(IB) is 200mA peak

◆ Max Collector-Emitter Voltage (VCE): -30V

◆ Max Collector-Base Voltage (VCB): -30V

◆ Max Emitter-Base Voltage (VBE): -5V

◆ Max Collector Dissipation (Pc): 500 Milliwatt

◆ Max Transition Frequency (fT): 100 MHz

◆ Minimum & Maximum DC Current Gain (hFE): 110 to 800

◆ Max Storage & Operating temperature Should be: -65 to +150Centigrade

Specifications

ON Semiconductor BC558C technical specifications, attributes, parameters and parts with similar specifications to ON Semiconductor BC558C.

BC558C Tech Specifications

ON Semiconductor BC558C technical specifications, attributes, parameters and parts with similar specifications to ON Semiconductor BC558C.

Product Attribute Attribute Value
Lifecycle StatusOBSOLETE (Last Updated: 1 week ago)
Package / CaseTO-226-3, TO-92-3 (TO-226AA)
Mounting TypeThrough Hole
MountThrough Hole
Number of Pins3Pins
Supplier Device PackageTO-92-3
Weight200mg
hFEMin110
Number of Elements1 Element
Current-Collector (Ic) (Max)100mA
Collector-Emitter Saturation Voltage-250mV
Collector-Emitter Breakdown Voltage30V
Published2007
PackagingBulk
Operating Temperature150°C TJ
Product Attribute Attribute Value
Part StatusObsolete
Moisture Sensitivity Level (MSL)1 (Unlimited)
TerminationThrough Hole
Max Operating Temperature150°C
Min Operating Temperature-65°C
Voltage - Rated DC-30V
Max Power Dissipation500mW
Current Rating-100mA
Frequency150MHz
Base Part NumberBC558
PolarityPNP
Element ConfigurationSingle
Power Dissipation500mW
Power - Max500mW
Gain Bandwidth Product150MHz
Product Attribute Attribute Value
Transistor TypePNP
Collector Emitter Voltage (VCEO)650mV
Max Collector Current100mA
DC Current Gain (hFE) (Min) @ Ic, Vce420 @ 2mA 5V
Current - Collector Cutoff (Max)15nA ICBO
Vce Saturation (Max) @ Ib, Ic650mV @ 5mA, 100mA
Voltage - Collector Emitter Breakdown (Max)30V
Frequency - Transition150MHz
Collector Base Voltage (VCBO)-30V
Emitter Base Voltage (VEBO)-5V
RoHS StatusRoHS Compliant
REACH SVHCNo SVHC
Lead FreeLead Free
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BC558 Alternatives

BC558 Applications

◆Build simple audio circuits

◆General purpose amplifier

◆Driver Modules like Relay Driver, LED driver etc..

◆ Amplifier modules like Audio amplifiers, signal Amplifier etc..

◆ Darlington pair

◆ Preamplifier

◆ Drive Load under 100mA

◆ Used for amplification and switching purposes.

◆ Used to control motor.

◆ Employed for impedance buffering.

◆ Incorporated in robotics and instrumentation projects.

◆ Used in H- Bridge circuits and current mirror circuits.

◆ Used for constructing Astable bistable and Bistable multivibrators.

◆ Used in comparator and oscillator circuits.

BD558 Package

BC558 Manufacturer

ON Semiconductor (Nasdaq: ON) is driving energy efficient innovations, empowering customers to reduce global energy use. The company offers a comprehensive portfolio of energy efficient power and signal management, logic, discrete and custom solutions to help design engineers solve their unique design challenges in automotive, communications, computing, consumer, industrial, LED lighting, medical, military/aerospace and power supply applications. ON Semiconductor operates a responsive, reliable, world-class supply chain and quality program, and a network of manufacturing facilities, sales offices and design centers in key markets throughout North America, Europe, and the Asia Pacific regions.

Datasheet PDF

Download datasheets and manufacturer documentation for ON Semiconductor BC558C.

BC558C Documents

Download datasheets and manufacturer documentation for BC558C

Frequently Asked Questions

1.What is the replacement for the BC558 transistor?
The tube is a silicon PNP high frequency tube: 30V 200ma 0.5w 150MHZ 75 times. You can use 2SB1238 instead.
2.Can I use BC558 instead of BC557?
The BC557 and BC558 are almost identical type PNP transistors, in some circuits, BC557 and BC558 will be replaced with each other. We know the importance of DC gain on the amplifier circuit and other circuits, other than this, both BC557 and BC558 have produced almost identical but different DC gains.
3.Is BC547 and BC548 same?
This group of NPN transistors share many specifications and characteristic curves, but differ in voltage ratings - the BC546 and BC547 are essentially the same as the BC548 but selected with higher breakdown voltages.
FAQ
1.What is the replacement for the BC558 transistor?
The tube is a silicon PNP high frequency tube: 30V 200ma 0.5w 150MHZ 75 times. You can use 2SB1238 instead.
2.Can I use BC558 instead of BC557?
The BC557 and BC558 are almost identical type PNP transistors, in some circuits, BC557 and BC558 will be replaced with each other. We know the importance of DC gain on the amplifier circuit and other circuits, other than this, both BC557 and BC558 have produced almost identical but different DC gains.
3.Is BC547 and BC548 same?
This group of NPN transistors share many specifications and characteristic curves, but differ in voltage ratings - the BC546 and BC547 are essentially the same as the BC548 but selected with higher breakdown voltages.

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