transistor 

Statements about this table:
for all the prefix class and type and usage , the reference be datasheet
the germanium switch transistor with a prefix of as have an example of asy28 and nte101 as equivalent
for the germanium small - signal rf transistor the example be af117 and reference be datasheet
the germanium small - signal rf transistor with af prefix class have an equivalent of nte160
as be the prefix class for the equivalent of nte 101
an example of nte160 be af117
nte101 be the equivalent of the example asy28
as be the prefix class for equivalent nte101
equivalent nte160 have an example of af117
nte160 be the equivalent or the example of af117 on ad prefix class
af be every prefix class for the equivalent of nte160 or the example of ad133
af117 be every example for the equivalent of nte160 with prefix class of bf
prefix class
type and usage
example
equivalent
reference
ac
germanium small - signal af transistor
ac126
nte102a
datasheet
ad
germanium af power transistor
ad133
nte179
datasheet
af
germanium small - signal rf transistor
af117
nte160
datasheet
al
germanium rf power transistor
alz10
nte100
datasheet
prefix class
type and usage
example
equivalent
reference
as
germanium switching transistor
asy28
nte101
datasheet
au
germanium power switching transistor
au103
nte127
datasheet
bd
silicon , power transistor
bd139
nte375
datasheet
bf
silicon , rf (high frequency) bjt or fet
bf245
nte133
datasheet