How to read transistor Code Number Simple Formula in Hindi Types of transistor
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in this video i will
in this video i will tell you that How to read transistor Code Number Simple Formula in Hindi Types of transistor
there are 4 method to read transistor code number
1.Pro-electron numbering scheme Europe
2.JEDEC numbering scheme USA
3.JIS numbering scheme Japan
4.Manufacturers own schemes:
First letter
A = Germanium
B = Silicon
C = Gallium Arsenide
R = Compound materials
Second letter
A = Diode - low power or signal
B = Diode - variable capacitance
C = Transistor - audio frequency, low power
D = Transistor - audio frequency, power
E = Tunnel diode
F = Transistor - high frequency, low power
G = Miscellaneous devices
H = Diode - sensitive to magnetism
L = Transistor - high frequency, power
N = Photocoupler
P = Light detector
Q = Light emitter
R = Switching device, low power, e.g. thyristor, diac, unijunction
S = Transistor - switching low power
T = Switching device, low power, e.g. thyristor, triac
U = Transistor - switching, power
W = Surface acoustic wave device
X = Diode multiplier
Y = Diode rectifying
Z = Diode - voltage reference
JEDEC Numbering or Coding System
First Number =
1 = Diode
2 = Bipolar transistor or single gate field effect transistor
3 = Dual gate field effect transistor
Second Letter = N
Subsequent numerals = Serial number
JIS semiconductor device numbering scheme
First Number
1 = Diode
2 = Bipolar transistor or single gate field effect transistor
3 = Dual gate field effect transistor
Letters in positions 2 & 3
SA = PNP high frequency bipolar transistor
SB = PNP audio frequency bipolar transistor
SC = NPN high frequency bipolar transistor
SD = NPN audio frequency bipolar transistor
SE = Diodes
SF = Thyristor (SCR)
SG = Gunn devices
SH = UJT (Unijunction transistor)
SJ = P-channel JFET / MOSFET
SK = N-channel JFET / MOSFET
SM = Triac
SQ = LED
SR = Rectifier
SS = Signal diode
ST = Avalanche diode
SV = Varactor diode / varicop diode
SZ = Zener diode / voltage reference diode
there are 4 method to read transistor code number
1.Pro-electron numbering scheme Europe
2.JEDEC numbering scheme USA
3.JIS numbering scheme Japan
4.Manufacturers own schemes:
First letter
A = Germanium
B = Silicon
C = Gallium Arsenide
R = Compound materials
Second letter
A = Diode - low power or signal
B = Diode - variable capacitance
C = Transistor - audio frequency, low power
D = Transistor - audio frequency, power
E = Tunnel diode
F = Transistor - high frequency, low power
G = Miscellaneous devices
H = Diode - sensitive to magnetism
L = Transistor - high frequency, power
N = Photocoupler
P = Light detector
Q = Light emitter
R = Switching device, low power, e.g. thyristor, diac, unijunction
S = Transistor - switching low power
T = Switching device, low power, e.g. thyristor, triac
U = Transistor - switching, power
W = Surface acoustic wave device
X = Diode multiplier
Y = Diode rectifying
Z = Diode - voltage reference
JEDEC Numbering or Coding System
First Number =
1 = Diode
2 = Bipolar transistor or single gate field effect transistor
3 = Dual gate field effect transistor
Second Letter = N
Subsequent numerals = Serial number
JIS semiconductor device numbering scheme
First Number
1 = Diode
2 = Bipolar transistor or single gate field effect transistor
3 = Dual gate field effect transistor
Letters in positions 2 & 3
SA = PNP high frequency bipolar transistor
SB = PNP audio frequency bipolar transistor
SC = NPN high frequency bipolar transistor
SD = NPN audio frequency bipolar transistor
SE = Diodes
SF = Thyristor (SCR)
SG = Gunn devices
SH = UJT (Unijunction transistor)
SJ = P-channel JFET / MOSFET
SK = N-channel JFET / MOSFET
SM = Triac
SQ = LED
SR = Rectifier
SS = Signal diode
ST = Avalanche diode
SV = Varactor diode / varicop diode
SZ = Zener diode / voltage reference diode
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