--- Bill of Materials --- DIYA CLASS AB POWER AMP --- "DIYA-amp BOM.txt" --- CAPACITORS ---- LS= LEAD SPACING D= DIAMETER Ref. Mfg. Part No. Description C1 -- -- capacitor, 4.7µF WIMA 5,10,12.5,15 22.5,25MM LS 35-50v POLY C2 -- -- capacitor, 270pF 7.5mm LS 50-100v poly C3 -- -- capacitor, 220µF NON-POLAR 12.5mm D 5MM LS C4 -- -- capacitor, 100nF (.1uF) 7.5 OR 10MM LS C5 -- -- capacitor, 22-47µF (63v -100V) 6mm D 3.5mm LS C6 -- -- capacitor, 220nF (.22uF) (could be .1uf 7.5-10mm LS) C7 -- -- capacitor, 100pF SILVER MICA 3-500v C8 -- -- capacitor, 470pF SILVER MICA 3-500v C9 -- -- capacitor, 22µF (could be 25-35v , 63-100v if small enough) 6mm D 3.5mm LS C10 -- -- capacitor, 100nF (.1uF) 7.5 OR 10MM ls C11 -- -- capacitor, 220µF 80-100v (63v for low voltage supplies) 12.5MM D 5MM LS C12 -- -- capacitor, 100nF (.1uF) 7.5 OR 10MM ls C13 -- -- capacitor, 470uf 1kuf 80-100v (63v for low voltage supplies) 16-18mm D 7,5mm LS (5mm for 220uF-470uf) C14 -- -- capacitor, 100nF (.1uF) 7.5 OR 10MM ls C15 -- -- capacitor, 220µF 80-100v (63v for low voltage supplies) 12.5MM D 5MM LS C16 -- -- capacitor, 100nF (.1uF) 7.5 OR 10MM ls C17 -- -- capacitor, 470uF-1kuf 80-100v (63v for low voltage supplies) 16m-18mm D 7.5mm LS (5mm for 220uF-470uf) C18 -- -- capacitor, 47pF SILVER MICA 3-500v C19 -- -- capacitor, 47pF SILVER MICA 3-500v C20 -- -- capacitor, 680nF (.68uf to 2.2uf 100v - form leads for 7.5-10mm LS) C21 -- -- capacitor, 100nF (.1UF) 250v 10MM LS --- Inductor --- L1 inductor, 1.5µH - 14-16 turns 18ga. enameled copper 12.5 -15mm diameter --- Diode ---- D1 Motorola 1N914 diode (any 1A diode) D2 Motorola 1N914 diode (any 1A diode) D4 Motorola MURS320 diode 3A (Any 3A diode) D5 Motorola MURS320 diode 3A (Any 3A diode) D6 Fairchild ANY RED led 3.5mm LS D7 Fairchild ANY Blue led 3.5mm LS D8 MURS320 diode 3A (these are optional) D9 MURS320 diode 3A (these are optional) --- semiconductor --- Q1 MPSA18/SS9014 bipolar transistor Q2 MPSA18/SS9014 bipolar transistor Q3 Fairchild KSC1845 bipolar transistor Q4 Fairchild KSC1845 bipolar transistor Q5 Fairchild KSA992 bipolar transistor Q6 Fairchild KSA992 bipolar transistor Q7 Fairchild KSC1845 bipolar transistor Q8 Fairchild KSC1845 bipolar transistor Q9 Fairchild KSA992 bipolar transistor Q10 Fairchild 2SA1381 bipolar transistor Q11 Fairchild 2SC3503 bipolar transistor Q12 Fairchild 2SC3503 bipolar transistor Q13 Fairchild 2SC3503 bipolar transistor Q14 ON semi MJE15032 bipolar transistor Q15 ON semi MJE15033 bipolar transistor Q16 ON semi NJW0281 bipolar transistor Q17 ON semi NJW0281 bipolar transistor Q18 ON semi NJW0281 bipolar transistor Q19 ON semi NJW0302 bipolar transistor Q20 ON semi NJW0302 bipolar transistor Q21 ON semi NJW0302 bipolar transistor ---- RESISTORS - All 1/4W unless specified ----- Trimmers = 5mm total LS or staggered 2.5 + 2.5mm 10-20 turn. R1 -- -- resistor, 100K R2 -- -- resistor, 820 R3 -- -- resistor, 33K R4 -- -- resistor, 4.7R R5 -- -- resistor, 820 R6 -- -- resistor, 33K R7 -- -- resistor, 200R trimmer R8 -- -- resistor, 100R 1% R9 -- -- resistor, 100R 1% R10 -- -- resistor, 22R R11 -- -- resistor, 10K R12 -- -- resistor, 10K R13 -- -- resistor, 15K R14 -- -- resistor, 2.2K R15 -- -- resistor, 100 R16 -- -- resistor, 100 R17 -- -- resistor, 1K trimmer R18 -- -- resistor, 22K R19 -- -- resistor, 68K R20 -- -- resistor, 220 1% R21 -- -- resistor, 220 1% R22 -- -- resistor, 820R R23 -- -- resistor, 33R 1/2W R24 -- -- resistor, 820R R25 -- -- resistor, 220R R26 -- -- resistor, 100R R27 -- -- resistor, 68 1/2W R28 -- -- resistor, 2.2K R29 -- -- resistor, 680R R30 -- -- resistor, 500R trimmer R31 -- -- resistor, 15R R32 -- -- resistor, 22R 1/2W R33 -- -- resistor, 22R 1/2W R34 -- -- resistor, 22R 1/2W R35 -- -- resistor, 22R 1/2W R36 -- -- resistor, 150 1W R37 -- -- resistor, 2.2R 1/2W (1W ok !!) R38 -- -- resistor, 2.2R 1/2W R39 -- -- resistor, 2.2R 1/2W R40 -- -- resistor, 2.2R 1/2W R41 -- -- resistor, 2.2R 1/2W R42 -- -- resistor, 2.2R 1/2W R43 -- -- resistor, .22R 5W R44 -- -- resistor, .22R 5W R45 -- -- resistor, .22R 5W R46 -- -- resistor, .22R 5W R47 -- -- resistor, .22R 5W R48 -- -- resistor, .22R 5W R49 -- -- resistor, 10R 3W R50 -- -- resistor, 10R 3W R51 -- -- resistor, 22K R52 -- -- resistor, 100K R53 -- -- resistor, 22 1/2W R54 -- -- resistor, 22 1/2W