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PartValueDescriptionMouser Part #MarkingNotes
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C122nFilm capacitor, 7.2 x 2.5mm505-MKS2C022201AJC00223 or 0.022
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C21nFilm capacitor, 7.2 x 2.5mm80-PHE426DJ4100JR05102 or 0.001
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C3OMITOnly used for LM308 (use 33pf). Not needed for OP07.
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C4100pFMLCC capacitor, NP0/C0G810-FG28C0G1H101JNT6101
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C52.2uFElectrolytic capacitor, 4mm647-USR1H2R2MDD2.2μF
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C64.7uFElectrolytic capacitor, 4mm647-UKW1H4R7MDD4.7μF
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C74.7uFElectrolytic capacitor, 4mm647-UKW1H4R7MDD4.7μFCan instead use CX1 for a 1uF film cap. No audible EQ difference between 4.7uF and 1uF and film caps have better sound quality.
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C83n3Film capacitor, 7.2 x 2.5mm80-PHE426MJ4330JR05332 or 0.0033
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C922nFilm capacitor, 7.2 x 2.5mm505-MKS2C022201AJC00223 or 0.022
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C101uFFilm capacitor, 7.2 x 3.5mm505-MKS2B041001C00KS105 or 1μF
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C11100nMLCC capacitor, X7R594-K104K15X7RF53H5104 or 0.1Power supply filter capacitor.
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C12100uFElectrolytic capacitor, 6.3mm647-UPS1E101MED100μFPower supply filter capacitor.
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C1347uFElectrolytic capacitor, 5mm647-ULD1E470MDD1TD47μFReference voltage filter capacitor.
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CX11uFFilm capacitor, 7.2 x 3.5mm505-MKS2B041001C00KS105 or 1μFAlternative for C7. No audible EQ difference between 4.7uF and 1uF and film caps have better sound quality.
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R11MMetal film resistor, 1/4W603-MFR-25FBF52-1MBrn-Blk-Blk-Yel-Brn
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R21kMetal film resistor, 1/4W603-MFR-25FRE52-1KBrn-Blk-Blk-Brn-Brn
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R347RMetal film resistor, 1/4W603-MFR-25FBF52-47RYel-Vio-Blk-Gld-Brn
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R4560RMetal film resistor, 1/4W660-MF1/4DCT52R5600FGrn-Blu-Blk-Blk-Brn
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R51kMetal film resistor, 1/4W603-MFR-25FRE52-1KBrn-Blk-Blk-Brn-Brn
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R61k5Metal film resistor, 1/4W603-MFR-25FRF52-1K5Brn-Grn-Blk-Brn-Brn
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R71MMetal film resistor, 1/4W603-MFR-25FBF52-1MBrn-Blk-Blk-Yel-Brn
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R810kMetal film resistor, 1/4W603-MFR-25FBF52-10KBrn-Blk-Blk-Red-Brn
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R947RMetal film resistor, 1/4W603-MFR-25FBF52-47RYel-Vio-Blk-Gld-Brn
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R10100kMetal film resistor, 1/4W603-MFR-25FBF52-100KBrn-Blk-Blk-Org-Brn
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R11100kMetal film resistor, 1/4W603-MFR-25FBF52-100KBrn-Blk-Blk-Org-Brn
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RPD2M2Metal film resistor, 1/4W603-MFR-25FBF52-2M2Red-Red-Blk-Yel-BrnInput pulldown resistor. Can be as low as 1M.
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LEDR4k7Metal film resistor, 1/4W603-MFR-25FBF52-4K7Yel-Vio-Blk-Brn-BrnLED current-limiting resistor. Adjust value to change LED brightness.
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D11N5817Schottky diode, DO-41511-1N5817
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D21N914Fast-switching diode, DO-35512-1N914
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D31N914Fast-switching diode, DO-35512-1N914
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D41N914Fast-switching diode, DO-35512-1N914
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D51N914Fast-switching diode, DO-35512-1N914
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D61N914Fast-switching diode, DO-35512-1N914
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D71N914Fast-switching diode, DO-35512-1N914
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D83mmLED, 3mm, red diffused604-WP3A8ID
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D93mmLED, 3mm, red diffused604-WP3A8ID
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Q12N5457JFET, N-channel, TO-92610-2N5457
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IC1OP07Operational amplifier, single, DIP8584-OP07CPZOriginal IC is LM308N, but these are very difficult to find. OP07 is said to sound identical and is used in newer RATs after the 308 became obsolete.
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IC1-SOCKETDIP-8 socketIC socket, DIP-8575-1104730841001000
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DC JACK2.1mmDC jack, 2.1mm panel mount163-4302-E
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IN1/4" stereo1/4" phone jack, stereo502-112BX
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OUT1/4" mono1/4" phone jack, mono502-111X
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LED5mmLED, 5mm, red diffused604-WP7113SRDJ4
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ENCLOSURE1590N1Enclosure, die-cast aluminum (125B equivalent)546-1590N1
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