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S8050 NPN Transistor: Application, Feature, Pinout

Author: Iggy Date: 20 Apr 2021  1133

S8050 is a low-power NPN silicon tube with a maximum collector-base (Vcbo) voltage of 40V and a collector current (Ic) of 0.5A.

S8050 is one of the most commonly used semiconductor transistor models in circuit hardware design.

  • Name: S8050
  • Type: NPN
  • Dissipated power: 0.625W (SMD: 0.3W)
  • Collector current: 0.5A
  • Base voltage: 40V

Catalog

S8050 Pinout

S8050 Circuit

S8050 Application

S8050 Features

S8050 Advantage

S8050 Alternatives

S8050 Equivalents

Where & How to use S8050

How to Safely Long Run S8050 in Circuit


S8050 Pinout

S8050 pinout

Pin Number

Pin Name

Symbol

Description

1

Emitter

E

Current Drains out through emitter

2

Base

B

Controls the biasing of transistor

3

Collector

C

Current flows in through collector


S8050 Application

  • Audio amplification circuits
  • Class B amplifiers
  • Push pull transistors
  • Circuits where high gain is required
  • Low signal applications

S8050 Features

  • Low Voltage, High Current NPN Transistor
  • Small Signal Transistor
  • Maximum Power: 2 Watts
  • Maximum DC Current Gain (hFE) is 400
  • Continuous Collector current (IC) is 700mA
  • Base- Emitter Voltage (VBE) is 5V
  • Collector-Emitter Voltage (VCE) is 20V
  • Collector-Base Voltage (VCB) is 30V
  • High Used in push-pull configuration doe Class B amplifiers
  • Available in To-92 Package

Note: Complete Technical Details can be found at the S8050 datasheet given at the end of this page.


S8050 Advantage

S8050 npn transistor

S8050 npn transistor

S8050 is a NPN transistor hence the collector and emitter will be left open (Reverse biased) when the base pin is held at ground and will be closed (Forward biased) when a signal is provided to base pin. It has a maximum gain value of 400; this value determines the amplification capacity of the transistor normally S8050. Since it is very high it is normally used for amplification purposes. However, at a normal operating collector current the typical value of gain will be 110. The maximum amount of current that could flow through the Collector pin is 700mA, hence we cannot drive loads that consume more than 700mA using this transistor. To bias a transistor we have to supply current to base pin, this current (IB) should be limited to 5mA.

When this transistor is fully biased then it can allow a maximum of 700mA to flow across the collector and emitter. This stage is called Saturation Region and the typical voltage allowed across the Collector-Emitter (V­CE) or Collector-Base (VCB) could be 20V and 30V respectively. When base current is removed the transistor becomes fully off, this stage is called as the Cut-off Region.


S8050 Alternatives

2N3904, 2N3906, 2N2369, 2N3055, S9014, MPSA42, SS8050, BC547


S8050 Equivalents

2N5830, S9013


S8050 Circuit

This is a video introducing transistors stereo amplifier S8050 and S8550.


Where & How to use S8050

S8050 transistor is a general-purpose transistor, it is a perfect transistor to perform small and general tasks in electronic circuits. You can use it as a switch in electronic circuits to switch on loads under 700mA. 700mA is enough to handle variety of loads for example relays, LEDs, bulbs etc. It can also be used as amplifier in small amplification stages or as a separate small signal amplifier.


How to Safely Long Run S8050 in Circuit

To safely run S8050 transistor in your circuit or electronic projects do not operate this transistor from voltage higher than 20V and do not operate any load more than 700mA or 0.7A. Use a suitable base resistor which will limits the base current to its required level. Do not expose it to heat over 150 centigrade and below -60 Centigrade.


 

Ordering & Quality

Photo Mfr. Part # Company Description Package PDF Qty Pricing
(USD)
ASS8050-H-HF ASS8050-H-HF Company:Comchip Technology Remark:Bipolar (BJT) Transistor NPN 25V 1.5A 100MHz 300mW Surface Mount SOT-23 Package:TO-236-3, SC-59, SOT-23-3
DataSheet
In Stock:On Order
Inquiry
Price:
3000+: $0.06115
Inquiry
ASS8050-J-HF ASS8050-J-HF Company:Comchip Technology Remark:Bipolar (BJT) Transistor NPN 25V 1.5A 100MHz 300mW Surface Mount SOT-23 Package:TO-236-3, SC-59, SOT-23-3
N/A
In Stock:On Order
Inquiry
Price:
3000+: $0.06115
Inquiry
ASS8050-L-HF ASS8050-L-HF Company:Comchip Technology Remark:Bipolar (BJT) Transistor NPN 25V 1.5A 100MHz 300mW Surface Mount SOT-23 Package:TO-236-3, SC-59, SOT-23-3
DataSheet
In Stock:On Order
Inquiry
Price:
3000+: $0.06115
Inquiry
SS8050BBU SS8050BBU Company:ON Semiconductor Remark:Bipolar (BJT) Transistor NPN 25V 1.5A 100MHz 1W Through Hole TO-92-3 Package:TO-226-3, TO-92-3 (TO-226AA)
DataSheet
In Stock:On Order
Inquiry
Price:
8013+: $0.03120
Inquiry
SS8050BBU-ON SS8050BBU-ON Company:ON Semiconductor Remark:Bipolar (BJT) Transistor Package:N/A
N/A
In Stock:On Order
Inquiry
Price:
8013+: $0.03120
Inquiry
SS8050CBU SS8050CBU Company:ON Semiconductor Remark:Bipolar (BJT) Transistor NPN 25V 1.5A 100MHz 1W Through Hole TO-92-3 Package:TO-226-3, TO-92-3 (TO-226AA)
DataSheet
In Stock:On Order
Inquiry
Price:
1+: $0.28000
10+: $0.22800
25+: $0.19080
100+: $0.09330
500+: $0.07780
1000+: $0.05406
2500+: $0.05024
5000+: $0.04346
9000+: $0.03604
Inquiry
SS8050CTA SS8050CTA Company:ON Semiconductor Remark:Bipolar (BJT) Transistor NPN 25V 1.5A 100MHz 1W Through Hole TO-92-3 Package:TO-226-3, TO-92-3 (TO-226AA) (Formed Leads)
DataSheet
In Stock:On Order
Inquiry
Price:
1+: $0.27000
10+: $0.22300
25+: $0.18640
100+: $0.09110
500+: $0.07596
1000+: $0.05279
2000+: $0.04906
6000+: $0.04244
10000+: $0.03519
50000+: $0.03105
Inquiry
SS8050DBU SS8050DBU Company:ON Semiconductor Remark:Bipolar (BJT) Transistor NPN 25V 1.5A 100MHz 1W Through Hole TO-92-3 Package:TO-226-3, TO-92-3 (TO-226AA)
DataSheet
In Stock:On Order
Inquiry
Price:
1+: $0.30000
10+: $0.24800
25+: $0.20800
100+: $0.10160
500+: $0.08478
1000+: $0.05891
2500+: $0.05475
5000+: $0.04736
9000+: $0.03927
Inquiry
SS8050DTA SS8050DTA Company:ON Semiconductor Remark:Bipolar (BJT) Transistor NPN 25V 1.5A 100MHz 1W Through Hole TO-92-3 Package:TO-226-3, TO-92-3 (TO-226AA) (Formed Leads)
DataSheet
In Stock:On Order
Inquiry
Price:
1+: $0.27000
10+: $0.22000
25+: $0.18440
100+: $0.09020
500+: $0.07524
1000+: $0.05228
2000+: $0.04859
6000+: $0.04203
10000+: $0.03485
50000+: $0.03075
Inquiry
SS8050-G SS8050-G Company:Comchip Technology Remark:Bipolar (BJT) Transistor NPN 25V 1.5A 100MHz 300mW Surface Mount SOT-23 Package:TO-236-3, SC-59, SOT-23-3
DataSheet
In Stock:On Order
Inquiry
Price:
1+: $0.21000
10+: $0.17400
25+: $0.14600
100+: $0.07130
500+: $0.05946
1000+: $0.04131
3000+: $0.03839
6000+: $0.03321
9000+: $0.02754
30000+: $0.02705
75000+: $0.02430
Inquiry

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