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2N2906 ITT Switching PNP Transistor TO-18 PN5133 = 2N5133 NPN HIGH GAIN TRANSISTOR NS NATIONAL SEMI IRF510 N Channel MOSFET IR and Intersil
These are in tons of circuits for small signal switching. ITT, TO-18 metal can case, NOS. NOS PN5133 high gain NPN transistor made by National Semiconductor.  They are equivalent to 2N5133, the P indicates that it's in the TO-92 case.  Gain range on these is 90-900, so they vary wildly. 1 piece of IRF510, I have both IR and Intersil brands.  Can be used as a clipping diode in guitar effects.
PN4117A N Channel JFET Fairchild FSC 2N4117 BF245C N-Channel JFET Fairchild Original BF245 2N2907A MOT Switching PNP Transistor TO-18
1 piece of PN4117A same as 2N4117A, MFG: Fairchild These are used in tons of effects.  These are original Fairchild FSC parts.  Get them while they last!  Price is for 1 piece. These are in tons of circuits for small signal switching. Motorola, TO-18 metal can case, NOS.
2N2907A MS Switching PNP Transistor TO-18 2N2907A SIEMENS Switching PNP Transistor TO-18 2N2907A RAYTHEON Switching PNP Transistor TO-18
These are in tons of circuits for small signal switching. MS, TO-18 metal can case, NOS. These are in tons of circuits for small signal switching. SIEMENS, TO-18 metal can case, NOS. These are in tons of circuits for small signal switching. RAYTHEON, TO-18 metal can case, NOS.
2N929 PHILIPS NPN Low Noise High Gain Transistor TO-18 2N6027 Silicon PN Unijunction Transistor Harris TO-92 2N2924 Low Noise NPN Transistor Harris VOX V806 Treble Booster NOS
These are NPN low noise, high gain amplifier transistors. Philips TO-18 metal can case, NOS. These are used in tons of effects.  These are made by Harris and are NOS.  They're a good sub for 2N2646 and can be adjusted with external resistors. 1 NOS 2N2924 low noise NPN transistor, the same as used in the VOX V806 treble booster pedal.  These are made by Harris, with an hFE of 150-300.
BC549C Ferranti High Gain NPN Fuzz Silicon Transistor 2N2369A Motorola Switching NPN Transistor TO-18 2N2369A ST MICRO Switching NPN Transistor TO-18
These are used in tons of effects and work great in the Muff circuit.  Typical hfe is around 600.  Get them while they last!  Price is for 1 piece.  These are NOS and made by Ferranti, an older European manufacturer.  They are in a slightly modified TO-92 case, just a bit smaller than normal. These are in tons of circuits for ultra high speed saturated switching.  Motorola, TO-18 metal can case, NOS. These are in tons of circuits for ultra high speed saturated switching. ST MICRO, TO-18 metal can case, NOS.
2N3819 N Channel JFET NS J201 Substitute 2SC1815-GR Toshiba NPN Transistor 2SA1015-Y Toshiba PNP Transistor
1 piece of 2N3819, MFG: Fairchild/FSC. These are great subs for J201 These are genuine NOS Toshiba 2SC1815-GR Audio Amplifier NPN transistors.  Hfe range is 200-400.  Get them while they last!  Price is for 2 pieces. These are genuine NOS Toshiba 2SA1015-Y low noise Audio Amplifier PNP transistors.  Hfe range is 120-240.  Get them while they last!  Price is for 2 pieces.
2SA1015-GR Toshiba PNP Transistor BC109C CDIL NPN High Gain Audio Transistor TO-18 BC109B CDIL NPN High Gain Audio Transistor TO-18
These are genuine NOS Toshiba 2SA1015-GR low noise Audio Amplifier PNP transistors.  Hfe range is 200-400.  Get them while they last!  Price is for 2 pieces. These are in tons of circuits!  They go very well in the muff circuit, too.  CDIL brand, BC109C in the TO-18 metal can.  This C version has hfe in the 450-900 range (most I've tested are 550-750). These are in tons of circuits!  They go very well in the muff circuit, too.  CDIL brand, BC109B in the TO-18 metal can.  This B version has hfe in the 240-500 range.
BC108C CDIL NPN High Gain Audio Transistor TO-18 BC107B CDIL NPN High Gain Audio Transistor TO-18 BC239C High Gain NPN Fuzz Silicon Transistor ITT
These are in tons of circuits!  They go very well in the muff circuit, too.  CDIL brand, BC108C in the TO-18 metal can.  This C version has hfe in the 450-900 range. These are in tons of circuits!  They go very well in the muff circuit, too.  CDIL brand, BC107B in the TO-18 metal can.  This B version has hfe in the 240-500 range. These are used in tons of effects and work great in the Muff circuit.  Typical hfe is 450-600.  NOS made by ITT.  Get them while they last!  Price is for 1 piece.
BC550C High Gain NPN Fuzz Silicon Transistor BC179 Audio PNP Fuzz Silicon Transistor Gold Leads Low Noise BC107C CDIL NPN High Gain Audio Transistor TO-18
These are used in tons of effects and work great in the Muff circuit.  Typical hfe is around 600. Get them while they last!  Price is for 1 piece. These are NOS in the TO-18 metal can with gold leads.  Typical hfe is 150-500.  Made in Europe in 1986, low noise, audio grade. Get them while they last!  Price is for 1 piece. These are in tons of circuits!  They go very well in the muff circuit, too.  CDIL brand, BC107C in the TO-18 metal can.  This C version has hfe in the 450-900 range.
2N2484 CDIL NPN High Gain Audio Transistor TO-18 2N2925 Low Noise HIGH GAIN AUDIO NPN Transistor SOLID STATE NOS 2N2369 FSC Switching NPN Transistor TO-18
These are in tons of circuits!  They go very well in the muff circuit, too. CDIL brand, 2N2484 in the TO-18 metal can. Hfe in the 450-900 range.  THESE ARE VERY LOW NOISE HIGH GAIN AUDIO AMPLIFIERS, SIMILAR TO THE BC107,8,9C. 1 NOS 2N2925 low noise high gain Audio NPN transistor.  These are made by Solid State, with an hFE of 235-470. These are in tons of circuits for ultra high speed saturated switching. Fairchild, TO-18 metal can case, NOS, gold leads.