Common Transistors data tables
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B637


silicon PNP transistor

TO-92
Uce/Ucb: -50/-50V
Ic: -0.1A
β (Ic/Ib): -
N: 300mW
F: 200MHz
Tmax: -
the B637 is a silicon PNP transistor preferred for use in applications like: general purpose
Source: 2SB637
Picture: -
similar list for: B637
available:unit price
 
 
2N3691 centbuy
2N3981 centbuy
2N4831 centbuy
2N5241 centbuy
2N7081 centbuy
2N7111 centbuy
2N1168X1 centbuy
2N13051 centbuy
 
[ICs][Diodes][SCR's]
note:a similar type is not always a replacement type, please check the application requirements carefully before BC212 is used for replacement (no warranty)

BC212


silicon PNP transistor


similar to B637 see note
10A3
Uce/Ucb: -50/-60V
Ic: -0.2A
β (Ic/Ib): 120-460
N: 300mW
F: >200MHz
Tmax: 150°C
the BC212 is a silicon PNP transistor preferred for use in low noise audio amplifier input applications
marking code: BC212A , BC212B
Source: SH Datenbuch 1972/73 Einzelhal...... [more]
SH Datenbuch 1972/73 Einzelhalbleiter Standardtypen
Picture: -
similar type: BC212
available:unit price
 
 
2N3691 centbuy
2N3981 centbuy
2N4831 centbuy
2N5241 centbuy
2N7081 centbuy
2N7111 centbuy
2N1168X1 centbuy
2N13051 centbuy
 
[ICs][Diodes][SCR's]
note:a similar type is not always a replacement type, please check the application requirements carefully before BC257 is used for replacement (no warranty)

BC257


silicon PNP transistor


similar to B637 see note
TO-92
Uce/Ucb: -45/-50V
Ic: -0.2A
β (Ic/Ib): 55-460
N: 300mW
F: 130MHz
Tmax: 150°C
the BC257 is a silicon PNP transistor preferred for use in AF input and driver stages as well as general purpose applications
marking code: BC257A , BC257B , BC257VI
Source: SH Halbleiter DB 1970/71 Stand...... [more]
SH Halbleiter DB 1970/71 Standardtypen
Picture: -
similar type: BC257
available:unit price
 
 
2N3691 centbuy
2N3981 centbuy
2N4831 centbuy
2N5241 centbuy
2N7081 centbuy
2N7111 centbuy
2N1168X1 centbuy
2N13051 centbuy
 
[ICs][Diodes][SCR's]
note:a similar type is not always a replacement type, please check the application requirements carefully before BC307 is used for replacement (no warranty)

BC307


silicon PNP transistor


similar to B637 see note
TO-92
Uce/Ucb: -45/-50V
Ic: DC/AC -100/-200mA
β (Ic/Ib): 70-220
N: 300mW
F: 130MHz
Tmax: 150°C
the BC307 is a silicon PNP transistor preferred for use in AF input and driver stages as well as general purpose applications
Source: SH Halbleiter DB 1970/71 Stand...... [more]
SH Halbleiter DB 1970/71 Standardtypen
Picture: -
similar type: BC307
available:unit price
 
 
2N3691 centbuy
2N3981 centbuy
2N4831 centbuy
2N5241 centbuy
2N7081 centbuy
2N7111 centbuy
2N1168X1 centbuy
2N13051 centbuy
 
[ICs][Diodes][SCR's]
note:a similar type is not always a replacement type, please check the application requirements carefully before BC557 is used for replacement (no warranty)

BC557


silicon PNP transistor


similar to B637 see note
SOT54
Uce/Ucb: -45/-50V
Ic: DC/AC -100/-200mA
β (Ic/Ib): 75-800
N: 500mW
F: 200MHz
Tmax: 150°C
the BC557 is a silicon PNP general purpose transistor
marking code: BC557A , BC557B , BC557C
Source: Va Valvo/Philips Bip. Transist...... [more]
Va Valvo/Philips Bip. Transistoren fuer Verstaerker und Schalteranwendungen 1989
Picture: see BC557A BC557B 
similar type: BC557
available:unit price
 
 
2N3691 centbuy
2N3981 centbuy
2N4831 centbuy
2N5241 centbuy
2N7081 centbuy
2N7111 centbuy
2N1168X1 centbuy
2N13051 centbuy
 
[ICs][Diodes][SCR's]
note:a similar type is not always a replacement type, please check the application requirements carefully before 2SA933 is used for replacement (no warranty)

2SA933


silicon PNP transistor


similar to B637 see note
Uce/Ucb: -40/-50V
Ic: -0.1A
β (Ic/Ib): -
N: 300mW
F: 140MHz
Tmax: -
the 2SA933 is a silicon PNP transistor preferred for use in applications like: general purpose
Source: Jaeger electronic catalog 1999
Picture: -
similar type: 2SA933
available:unit price
 
 
2N3691 centbuy
2N3981 centbuy
2N4831 centbuy
2N5241 centbuy
2N7081 centbuy
2N7111 centbuy
2N1168X1 centbuy
2N13051 centbuy
 
[ICs][Diodes][SCR's]
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