2N4989 数据手册 ( 数据表 ) - ETC1
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ETC1
The GE/RCA 2N2987 Thru 2N4990 SUSs are planar monolithic silicon integrated circuits having thyristor electrical characteristics closely approximating those of an 'ideal' four layer diode.

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Silicon unilateral switch (SUS) in package TO-98
Unspecified
Silicon unilateral switch (SUS) in package TO-92
Planeta Semiconductor
Silicon unilateral switch (SUS) in package TO-92
New Jersey Semiconductor
Silicon unilateral switch (SUS) in package TO-92
Planeta Semiconductor
Silicon unilateral switch (SUS) in package TO-92
Planeta Semiconductor
Silicon unilateral switch (SUS) in package TO-92
New Jersey Semiconductor
Silicon unilateral switch (SUS).
NTE Electronics
Silicon Unilateral Switch (SUS)
New Jersey Semiconductor
Silicon Unilateral Switch
General Semiconductor
Silicon bilateral switch (SBS) in package TO-92
Planeta Semiconductor