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Component Notes LED IC Socket Diode Resistors. Transistor Symbols PNPP-channel NPNN-channel BJTJFET BJT and JFET symbols P-channel N-channel JFETMOSFET.

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Presentation on theme: "Component Notes LED IC Socket Diode Resistors. Transistor Symbols PNPP-channel NPNN-channel BJTJFET BJT and JFET symbols P-channel N-channel JFETMOSFET."— Presentation transcript:

1 Component Notes LED IC Socket Diode Resistors

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3 Transistor Symbols PNPP-channel NPNN-channel BJTJFET BJT and JFET symbols P-channel N-channel JFETMOSFET enhMOSFET dep JFET and IGFET symbols

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5 Example Transistor Driver Circuits Lo Side Drive (NPN) Load La1 is connected to the +V supply (Hi) and then switched to ground (Lo) to turn on. (Positive Logic – High on the input turns the load on.) See far upper right example. Hi Side Drive (PNP) Load La2 is connected to ground (Lo) and then switched to +V (Hi) to turn on. (Negative Logic – Lo on the input turns the load on.) Lo side driver relay driver Darlington pair transistors are used in applications where Very heavy current loads need to be controlled. The darlington Configuration offers much higher current gain because the hfe of the device is the product of the hfe of the two transistors TR1 and TR2. Opto-Isolators offer isolation which is not easily obtainable with any other device. When controlling very high voltages this provides Isolation protection for sensitive devices such as micro-controllers.

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7 AWGDia InchCir MilDia cmArea Inch 2 lb/kft ohms /kft Ohms /km CU Max free-air Amps CU Max enclosed Amps 320.00863.20.0204.964E-050.19164.1538.4.530.32 300.010100.50.0257.894E-050.30103.2338.6.860.52 280.013159.80.0321.255E-040.4864.9212.91.40.83 260.016254.10.0401.996E-040.7740.81133.92.21.3 240.020404.00.0513.173E-041.2225.6784.223.52.1 220.025642.40.0645.046E-041.9416.1452.957.05.0 200.0321,021.50.0818.023E-043.0910.1533.3011.07.5 180.0401,624.30.1021.276E-034.926.38520.951610 160.0512,582.70.1292.028E-037.824.01613.182213 140.0644,106.70.1633.225E-0312.432.5258.2843217 120.0816,529.90.2055.129E-0319.771.5885.2104123 100.10210,383.00.2598.155E-0331.431.2153.9855533 80.12816,509.70.3261.297E-0249.980.9983.2747346 60.16226,251.40.4122.062E-0279.460.3951.29610160 40.20441,741.30.5193.278E-02126.350.2480.813613580 20.25866,371.30.6545.213E-02200.910.1560.5118181100 10.28983,692.70.7356.573E-02253.340.1230.4035211125 00.325 105,534. 5 0.8258.289E-02319.460.09830.3225245150 000.365 133,076. 5 0.9271.045E-01402.830.07790.2556283175 0000.410 167,806. 4 1.0401.318E-01507.960.06180.2028328200 00000.460 211,600. 0 1.1681.662E-01640.530.049010.1608380225 Wire Ampacity Table

8 AC Plug and Wiring Color code World Region, country or other entity(ies) Line or Live (Hot)NeutralProtective earth/ground United States and Canadablack (brass)white (silver) green (green) or bare copper wire EU,Australia & South Africa (IEC 60446) brownbluegreen & yellow Australia & New Zealand (AS/NZS 3000:2000 3.8.1) redblackgreen/yellow Note: 1. The (Brass) and (Silver) references above denote the screw colors used on most electrical fixtures. (Switches, Outlets, etc) 2. For Multi Phase Applications color codes defer between systems. Refer to manufacturer or country standards for the appropriate colors. DC Wiring Color Code Wire insulation Color Common Power Supply or Function Description Black0VGround or Common Yellow+5VLogic Supply Red+12V or +15VAnalog Supply Blue-12V or -15VAnalog Supply Orange+24VControl Supply Note: 1. The above colors are those established by the ME E-Shop and are used here for reference. You can establish your own wiring color standard although it is suggested that you maintain BLACK as your Ground or Common color.

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