Type
Application (Germanium) Case Replaces Cat. No. Price
NPN 2N1304, General purpose amplifier & high switching application TO-5 2N440, 2N635, 2SC75, 2SC90, ECG101, HEP641 276-2001 .89
NPN General purpose audio amplifiers, auto radios, preamps and low-level outputs TO-1 2N97, 2N145, 2N183, HEP641, 2N164 276-2002 .99
PNP Small signal audio, mixer, oscillator. converter, RF & IF amplifier (AM radio) TO-1 2N414, 2N534, 2N624, HEP1, HEP3, HEP34 276-2003 .99
PNP General purpose audio
amplifier for radios, preamps & low-level audio amp outputs
TO-1 2N186, 2N262, HEP250, HEP253, 2SB100, SK3003 276-2004 .99
PNP General purpose audio amplifier for radios, preamps & low-level audio amp outputs TO-1 2N39, 2N191, HEP251, HEP254, 2SB496, SK3004 276-2005 .99
PNP Power audio amplifier, audio output in most car radios TO-3 2N155, 2N350, 2N401, HEP230, SK3014, 2SB138 276-2006 1.89
PNP 2N1305, General purpose amplifier, high freq. for computer & switching applications TO-5 2N1284, 2SB39, ECG158, HEP629, SK3005 276-2007 .89



Type Application
(Silicon)
Case Replaces Cat. No. Price
NPN 2N5058, General purpose amplifier audio output, rated 1W but can be heat sinked to 5W TO-5 2N3439, 2N3499, 2SC66, ECG154, SK3045 276-2008 1.49
NPN 2N2222, General purpose amplifier, high speed, medium switching TO-18 2N718, 2SC55, 2SC68, ECG123A, SK3018, HEP55 276-2009 .79
NPN 2N2484, Low level, low noise, high gain TO-18 2N957, 2SC17, 2SC68, ECG123A, HEP50, SK3020 276-2010 .89
NPN 2N918, VHF and UHF amplifier freq. up to 500 MHz TO-72 2N917, 2N3291, 2SC54, ECG108, HEP709, SK3018 276-2011 1.69
NPN A5T5058 High-voltage inverters, voltage regulators (Epoxy) TO-18 2SC42M, 2SC481, 2SD121, ECG128, SK3024 276-2012 1.19
NPN TIS97, General purpose low frequency audio amplifier - 360mw TO-18 2N5088, 2N4410, 2SC67, ECG107, SK3020, HEP726 276-2013 .89
NPN 2N5449, Medium power amplifier for Class B audio outputs, hi-fi drivers TO-18 2N3402, 2N6343, A5T3904, ECG123A, HEP57, SK3018 276-2014 .79
NPN 2N4996, High frequency for tuner & IF stages in FM & AM/FM stereo multiplex receivers (Epoxy) TO-18 2SC17, 2SC79, 2SC127, ECG108, HEP56, SK3018 276-2015 .79
NPN A5T3904, General purpose, switching & amplifier applications TO-18 2S005, 2S101, 2SC55, 2SC134, ECG123A 276-2016 .79
NPN SP8918, Audio power output 15 watts, freq. 20-20,000 Hz TO-66 2N5190, 2N5296, 2SC496, ECG153, HEP703, SK3054 276-2017 1.19
NPN TIP29, Power amplifier, high-speed switching, rated at 2W but can be heat sinked to 30W TO-66 2N4921, 2SC496, 2SC509, 2SC789, ECG152, HEP245 276-2018 1.59
NPN TIP33, Power amplifier, high-speed switching, rated at 3.5W but can be heat sinked to 80W TO-3 2N5034, 2N5035, 2SC496, 2SC768, 2SD81 276-2019 2.49
NPN TIP3055, Power amplifier, high-speed switching, rated at 3.5W but can be heat sinked to 90W TO-3 2S033, 2SC708, 2N3055, GE19, HEP56, SK3036 276-2020 2.59
PNP 2N2907, General purpose amplifier, high-speed medium power switching TO-18 2N722, 2SB24, HEP52, SK3004, ECG159 276-2021 .79
PNP 2N2605, Small signal amplifier: low level, low noise, high gain TO-46 2N1256, 2SB24, 2SB56, HEP52, SK3004, ECG159 276-2022 .99
PNP A5T2907, General purpose amplifier, high speed, medium power switching TO-18 2N1257, 2SB79, 2SB56, ECG159, HEP52, SK3004 276-2023 .69
PNP 2N5447, Medium power amplifier, Class B audio output & hi-fi driver TO-18 2N3702, 2N3638, ECG159, HEP57, SK3025 276-2024 .79
PNP SP8919, Audio output 15W, freq. 20-20,000Hz TO-66 2N5193, 2SA473, 2SB435, ECG153, HEP702, SK3021 276-2025 1.19
PNP TIP30, Power amplifier & high-speed switching, free air 2W, heat sinked to 30W TO-66 2N4918, 2SA489, 2SB435, ECG153, HEP246 276-2026 1.98
NPN TIP34, Power amplifier & high-speed switching, free air 3.5W, heat sinked to 80W TO-3 2SA489, 2SA496, ECG183, MJE2901, 2SA509 276-2027 2.89
  A5T3821, "N" channel FET, small signal, VHF amplifier & mixer, high-speed commutator & chopper applications TO-18 2N5949, 2SK24, 3SK23, ECG133, HEP801, HEPS5007 276-2028 .99
  2N4891, P-N unijunction transistor, industrial timing & triggering circuits TO-18 2N2160, 2N2646, HEP310, 2N4841, 2N4871 276-2029 1.19



Link to my 1976 Radio Shack transistor specifications page.