======================TRANSISTOR_POWER============================ SCR ^ I | /|\ Triad ____|____ | \ / ^ | /___ __V__/_\_ ______|____/__\ V __/ | /___ | / Gate | / | ^ I | Anode /|\ SCR 4-10usec switch _|_ | \ / | /___ _V_ ______|____/__\ V __/| / | / Gate | Cathode / MOV surge suppressor MOV (metal oxide varistor) voltage-variable resistor for varistor) made of substances such as zinc oxide. to absorb spikes or surges across the power line. _|_ ^ I \ / /|\ _v__/ | | / ^ ______|____/__\ V /_\ / | / | | _|_ | | |/ | /| | / | |/ | / | /|___| | | TWO SYMBOLS like Zener diodes, but not sensitive to polarity; Surgcs usually come from nearby lightning strikes or from electric motors shutting off ======================TRANSISTOR_PINOUT============================= __-----__ / ()B \ / \ | | |()E C()| \ / _\ / \/\__ __/ ----- ________ ___/ \___ __/ __-----__ \__ / / \ \ / _ / ()B \ C _ \ | / \ | | / \ | | \_/ | ()E | \_/ | \_ \ / _/ \___ \__ __/ __/ \__ ----- __/ \_______/ __-----__ / \ | () B \ | | | () C | | / | () E / \__ __/ ----- __-----__ / \ | () C \ | | | () B | | / | () E / \__ __/ ----- Copper Wire ----------- AWG ft/Ohm Ohm/100ft Ampacity* mm M/Ohm Ohms/100M 10 490.2 .204 30 2.588 149.5 .669 12 308.7 .324 20 2.053 94.1 1.06 14 193.8 .516 15 1.628 59.1 1.69 16 122.3 .818 10 1.291 37.3 2.68 18 76.8 1.30 5 1.024 23.4 4.27 20 48.1 2.08 3.3 0.812 14.7 6.82 22 30.3 3.30 2.1 0.644 9.24 10.8 24 19.1 5.24 1.3 0.511 5.82 17.2 26 12.0 8.32 0.8 0.405 3.66 27.3 28 7.55 13.2 0.5 0.321 2.30 43.4 AWG current ratings AWG Diameter Ampacity Ohms/1000' Ohms/Km -------------------------------------------------- 0000 .460 312. 0.04906 000 .40964 262. 0.06186 00 .3648 220. 0.07801 0 .32486 185. 0.09831 1 .2893 156. 0.12404 2 .25763 131. 0.1563 3 .22942 110. 0.19723 4 .20431 92.3 0.24869 5 .18194 77.6 0.31361 6 .16202 65.2 0.39546 7 .14428 54.8 0.49871 8 .12849 46.1 0.6529 9 .11443 38.7 0.7892 10 .10189 32.5 0.8441 11 .090742 27.3 1.254 12 .080808 23.0 1.580 13 .071961 19.3 1.995 14 .064084 16.2 2.504 15 .057068 13.6 3.172 16 .05082 11.5 4.001 17 .045257 9.6 5.04 18 .040303 8.1 6.36 19 .03589 8.25 20 .031961 10.12 21 .028462 12.76 22 .025347 16.25 23 .022571 20.30 24 .0201 25.60 25 .0179 32.2 26 .01594 40.7 27 .014195 51.3 28 .012641 64.8 29 .011257 81.6 30 .010025 103. 31 .008928 130. 32 .00795 164. 33 .00708 206. 34 .006304 260. 35 .005614 328. 36 .005 414. 37 .004453 523. 38 .003965 660. 39 .003531 832. 40 .003144 1049. These Ohms/Distance figures are for a round trip circuit. Specifications are for copper wire at 77 degrees F or 25 degrees C. ======================FUZING_CURRENT============== fusing current I Konstant*Dia_in^(3/2) Konstant cu 10244 gold 1mil 1Amp Fusing Currents Wires in amperes which wire melt calculated from I = K*d^(3/2) FUSING CURRENTS IN AMPERES. AWG B & S Diam Copper Alumin GermSilv Iron Tin Gauge Inches K=10244 K=7585 K=5230 K=3148 K=1642 40 0.0031 1.77 1.31 0.90 0.54 0.28 38 0.0039 2.50 1.85 1.27 0.77 0.40 36 0.0050 3.62 2.68 1.85 1.11 0.58 34 0.0063 5.12 3.79 2.61 1.57 0.82 32 0.0070 7.19 5.32 3.67 2.21 1.15 30 0.0100 10.2 7.58 5.23 3.15 1.64 28 0.0126 14.4 10.7 7.39 4.45 2.32 26 0.0159 20.5 15.2 10.5 6.31 3.29 24 0,0201 29.2 21.6 14.9 8.97 4.68 22 0,0253 41.2 30.5 21.0 12.7 6.61 20 0,0319 58.4 43.2 29.8 17.9 9.36 19 0 0359 69.7 51.6 35.5 21.4 11.2 18 0.0403 82.9 61.4 42.3 25.5 13.3 17 0.0452 98.4 72.9 50.2 30.2 15.8 16 0.6508 117 86.8 59.9 36.0 18.8 15 0.0571 140 103 71.4 43.0 22.4 14 0.0641 166 123 84.9 51.1 26.6 13 0.0719 197 146 101 60.7 31.7 12 0.0808 235 174 120 72.3 37.7 11 0.0907 280 207 143 86.0 44.9 10 0.1019 333 247 170 102 53.4 9 0.1144 396 293 202 122 63.5 8 0.1285 472 349 241 145 75.6 7 0.1443 561 416 287 173 90.0 6 0.1620 668 495 341 205 107 ------------------------------------------------------------- Gold in plastic 2mile 100% 5Amps 14% dc faile 5.5Amps 63% failure 6Amp (.5 to 3sec) 29% survival 8Amp 1mil gold 1-1.5Amp 3mil gold 100% 8amps ------------------------------------------------------------- Si 1.00 to 1.46 Watts/cm*C GaAS 0.44 Cu 4.05 Gold 3.09 BeO 2.34 Kovar 0.2 Silver 4.14 saphire 0.25 Al2O3 0.188 ======================COMPONENTS_FUSES================================ ------------------------------------------------------------- Fuze Ratings AGC1 R=.160 1.5Amps 400msec at 3.5v AGC3 R=.060 4Amps 2000msec at 1v AGC5 R=.024 ??Amps 6000msec at 1v FUSING CURRENTS IN AMPERES. AWG B & S Diam d Copper Alumin GermSilv Iron Tin Gauge Inches K=10244 K=7585 K=5230 K=3148 K=1642 40 0.0031 1.77 1.31 0.90 0.54 0.28 38 0.0039 2.50 1.85 1.27 0.77 0.40 36 0.0050 3.62 2.68 1.85 1.11 0.58 34 0.0063 5.12 3.79 2.61 1.57 0.82 32 0.0070 7.19 5.32 3.67 2.21 1.15 30 0.0100 10.2 7.58 5.23 3.15 1.64 28 0.0126 14.4 10.7 7.39 4.45 2.32 26 0.0159 20.5 15.2 10.5 6.31 3.29 24 0,0201 29.2 21.6 14.9 8.97 4.68 22 0,0253 41.2 30.5 21.0 12.7 6.61 20 0,0319 58.4 43.2 29.8 17.9 9.36 19 0 0359 69.7 51.6 35.5 21.4 11.2 18 0.0403 82.9 61.4 42.3 25.5 13.3 17 0.0452 98.4 72.9 50.2 30.2 15.8 16 0.6508 117 86.8 59.9 36.0 18.8 15 0.0571 140 103 71.4 43.0 22.4 14 0.0641 166 123 84.9 51.1 26.6 13 0.0719 197 146 101 60.7 31.7 12 0.0808 235 174 120 72.3 37.7 11 0.0907 280 207 143 86.0 44.9 10 0.1019 333 247 170 102 53.4 9 0.1144 396 293 202 122 63.5 8 0.1285 472 349 241 145 75.6 7 0.1443 561 416 287 173 90.0 6 0.1620 668 495 341 205 107AUDIO