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2n2218-2n2219-2n2221-2n2222


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                                                                            2N2218-2N2219
                                                                            2N2221-2N2222

                                                                        HIGH-SPEED SWITCHES

DESCRIPTION
The 2N2218, 2N2219, 2N2221 and 2N2222 are sili-
con planar epitaxial NPN transistors in Jedec
TO-39 (for 2N2218 and 2N2219) and in Jedec
TO-18 (for 2N2221 and 2N2222) metal cases. They
are designed for high-speed switching applications
at collector currents up to 500 mA, and feature use-
ful current gain over a wide range of collector cur-
rent, low leakage currents and low saturation volt-
ages.
     2N2218/2N2219 approved to CECC 50002-
                                                                           TO-39                 TO-18
     100, 2N2221/2N2222 approved to CECC
     50002-101 available on request.




                                                                       INTERNAL SCHEMATIC DIAGRAM




ABSOLUTE MAXIMUM RATINGS
 Symbol                                  Parameter                                   Value               Unit
   V CBO       Collector-base Voltage (I E = 0)                                        60                 V
   V CEO       Collector-emitter Voltage (I B = 0)                                     30                 V
   V EBO       Emitter-base Voltage (I C = 0)                                           5                 V
     IC        Collector Current                                                       0.8                A
    Pt o t     Total Power Dissipation at T amb  25 



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