Thermal runaway for Transistor

2. ABOUT MYSELF
NAME: EZAZ AHMED
ID NO: 16ETE024

3. Transistors

4. Transistors
Common Emitter Configuration:

5. Transistors
Common Emitter Configuration:
IC = 𝛽IB + (𝛽+1)ICBO………………………….( i )

6. Transistors
Common Emitter Configuration:
IC = 𝛽IB + (𝛽+1)ICBO………………………( i )
Collector
Current Base Current Reverse Saturation
Current

7. Transistors
Common Emitter Configuration:
IC = 𝛽IB + (𝛽+1)ICBO…………………..( i )
Collector
Current Base Current Reverse Saturation
Current
ICBO
Minority charge Carriers

8. Transistors
Common Emitter Configuration:
IC = 𝛽IB + (𝛽+1)ICBO……………………..( i )
Collector
Current Base Current Reverse Saturation
Current
ICBO
Minority charge Carriers
(M.C.)
Temperature
(T)

9. Transistors
Common Emitter Configuration:
IC = 𝛽IB + (𝛽+1)ICBO……………………..( i )
Collector
Current Base Current Reverse Saturation
Current
ICBO
Minority charge Carriers
(M.C)
Temperature
(T)

10. Transistors
Common Emitter Configuration:
IC = 𝛽IB + (𝛽+1)ICBO……………………..( i )
Collector
Current Base Current Reverse Saturation
Current
ICBO
Minority charge Carriers
(M.C)
Temperature
(T)
T

11. Transistors
Common Emitter Configuration:
IC = 𝛽IB + (𝛽+1)ICBO……………………..( i )
Collector
Current Base Current Reverse Saturation
Current
ICBO
Minority charge Carriers
(M.C)
Temperature
(T)
T
M.C

12. Transistors
Common Emitter Configuration:
IC = 𝛽IB + (𝛽+1)ICBO……………………..( i )
Collector
Current Base Current Reverse Saturation
Current
ICBO
Minority charge Carriers
(M.C)
Temperature
(T)
T
M.C
ICBO

13. Transistors
Common Emitter Configuration:
IC = 𝛽IB + (𝛽+1)ICBO……………………..( i )
Collector
Current Base Current Reverse Saturation
Current
ICBO
Minority charge Carriers
(M.C)
Temperature
(T)
T
M.C
ICBO
IC

14. Transistors
Common Emitter Configuration:
IC = 𝛽IB + (𝛽+1)ICBO……………………..( i )
Collector
Current Base Current Reverse Saturation
Current
ICBO
Minority charge Carriers
(M.C)
Temperature
(T)
T
M.C
ICBO
IC
Heat
Produce

15. Transistors
Common Emitter Configuration:
IC = 𝛽IB + (𝛽+1)ICBO……………………..( i )
Collector
Current Base Current Reverse Saturation
Current
ICBO
Minority charge Carriers
(M.C)
Temperature
(T)
T
M.C
ICBO
IC
Heat
Produce

16. Transistors
What Is Thermal Runaway ?
The self destruction of unstablized transistor is known as Thermal Runaway.

17. Transistors
What Is Thermal Runaway ?
The self destruction of unstablized transistor is known as Thermal Runaway.
How can be avoid the thermal runaway in transistors ?
Heat Sink:

18. Thanks everybody