Pinout Diagrams and specs for various components

2N3906 PNP Transistors

Top View
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/     \


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E B C

Manufactured by Fairchild Semiconductor. 2 cents from Arrow Electronics, 7 cents from Jameco, 9 cents from Jameco, 39 cents from DigiKey


TIP120 NPN Darlington Transistor

Top View
    -------
|   O   |
    -------
|       |
|_______|
  | | |
  | | |
  B C E

Fairchild Semi Product Specs

  • VBE(on) = 2.5V max
  • DC current gain hFE = 1000 (min).
  • Ib = Ic / hFE
  • Rb = ( Vin - Vbe ) / Ib

IFR510 N-Channel Power MOSFET

Top View
    -------                 o D
|   O   |                |
    -------             | |--
|       |            |
|_______|       G o--| |<-|
  | | |              |    |
  | | |              | |--|
  G D S                   |
                          o S

RatShack # 276-2072A

http://support.radioshack.com/support_supplies/doc31/31806.htm local copy of specs:

N-Channel Field Effect Transistor (276-2072) Specifications Faxback Doc. # 31806

Absolute Maximum Ratings

Drain Source Voltage.................................................100 V Drain Gate Voltage...................................................100 V Continuous Drain Current...............................................4 A Pulsed Drain Current..................................................16 A Gate Source Voltage...................................................20 V Max. Power Dissipation................................................20 W

Electrical Specifications

Gate Threshold Voltage............................................2 to 4 V On-state Resistance.........................................0.6 Ohm (Max.) Forward Transductance................................................1 mho Input Capacitance............................................150 pF (Max.) Output Capacitance...........................................100 pF (Max.) Input and Output Capacitance calculated at 1 MHz

Specifications are typical; individual units might vary. Specifications are subject to change without notice.

(IR-04/08/96)

Notes: This MOSFET can't be driven directly from an AVR unless you crank VCC up to around 6 volts. The IRL5x0 series are similar but with a logic level gate.


Op Amps

Digital Pots

Stepper Drivers and H-Bridges

Drivers