TIP120, TIP121, TIP122. TIP121 NPN 5v Darlington, 5A, peak switching 80V Case Style: TO-220. TIP120 NPN 5v Darlington, 5A, peak switching 60V Case Style: TO-220. TIP122 NPN 5v Darlington, 5A, peak switching 100V Case Style: TO-220.
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