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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.
2SC1815-GR Toshiba NPN Transistor 2SA1015-Y Toshiba PNP Transistor 2SA1015-GR Toshiba PNP Transistor
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. 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.
BC109C CDIL NPN High Gain Audio Transistor TO-18 BC109B CDIL NPN High Gain Audio Transistor TO-18 BC108C CDIL NPN High Gain Audio Transistor TO-18
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. 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.
BC107B CDIL NPN High Gain Audio Transistor TO-18 BC239C High Gain NPN Fuzz Silicon Transistor ITT BC550C High Gain NPN Fuzz Silicon Transistor
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. 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.
BC179 Audio PNP Fuzz Silicon Transistor Gold Leads Low Noise BC107C CDIL NPN High Gain Audio Transistor TO-18 2N2484 CDIL NPN High Gain Audio Transistor TO-18
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. 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.
2N2925 Low Noise HIGH GAIN AUDIO NPN Transistor SOLID STATE NOS 2N2369 FSC Switching NPN Transistor TO-18 JAN2N2906A MOT Switching PNP Transistor TO-18
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. These are in tons of circuits for small signal switching. Motorola, TO-18 metal can case, NOS, mil spec.