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electronics1. Zener Diode / LED. ซี เนอร์ ไดโอด ( Zener Diode )

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Electronics1

electronics1

Zener Diode / LED


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  • (Zener Diode)

    2 P (A) N (K) (Zener Breakdown)


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(Zener Voltage) Vz

(Equivalent Circuit)


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  • (Zener Diode Characteristic Graph) (Vz)


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  • 1. (VZ)

    2. (IZM)


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  • Rx1 Rx10


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  • (A ) (K )


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  • Rx1 Rx10 0


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  • 10 100


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  • = x

    Pz = Vz x Iz

    Iz= Pz / Vz

    Pz(max)

    Iz(max) = Pz(max) / Vz


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(Rs)

Rs


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  • LED : light-emitting diode

    (LED) (Nick Holonyak Jr.) (General Electric Company) .. 1962


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LED


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LED


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  • P


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LED


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    • 468nm

    • 462nm

    • 468nm

    • 565nm

    • 630nm


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2 packet

  • Lamp Type 2 Lamp Type 3 mm.


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2. Surface Mount Type packet SMT 20 mA 1A SMT 300mA power LED


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  • LED

  • LED


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LED 2 V 40 mA 10-20 mA LED


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  • LED

  • Vcc =

  • VF = LED

  • IF = LED


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  • - 5 - 5 - 10-15


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LED

Common


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1. (range) 10

2. LED

  • Anode Cathode

  • LED


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    • LED LED () ANODE CATHODE


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