WEET PNP Silicon Epitaxial Planar Transistors MMBT9015B MMBT9015C MMBT9015D MMBT9018G MMBT9018H

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What are Small Signal Transistors?
As a design note, small signal transistors are used primarily when amplifying small signals, such as a few volts and only when using milliamperes of current.
small signal transistors come in NPN and PNP forms, are used to amplify low-level signals, can also be used as a switch.
Typical hFE values range from 10 to 500, with maximum Ic ratings from about 80 to 600mA.
Maximum operating frequencies range from about 1 to 300 MHz.
Popular small signal transistors: https://weetcl.com/Small_Signal_Transistors/ 
SOT-23(TO-236) MMBT9018 (MMBT9018G, MMBT9018H) NPN Silicon Epitaxial Planar Transistors 30V Small Signal Bipolar (BJT) Transistors
Spec.: https://weetcl.com/pdf/WEET_Transistors_SOT-23_MMBT9018.pdf 

Absolute   Maximum Ratings (Ta = 25 OC)

Parameter 

Symbol

Unit

MMBT9018

Collector Base Voltage 

-VCBO

V

30

Collector Emitter Voltage 

-VCEO

V

15

Emitter Base Voltage 

-VEBO 

V

5

Collector Current 

-IC 

mA 

50

Power   Dissipation

Ptot 

mW 

200

Junction Temperature 

Tj 

O

150

Storage Temperature Range 

TStg

O

-55+150

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Written by WEE Technology Company Limited

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