2N3904 NPN Transistor

TR3904

0.15 USD
Qty
Price
1
$0.15 ea.

TR3904 NPN small signal transistor, as used in most basic solarengine designs.


Description [Hide]

The TR3904 NPN small signal transistor is used in most solarengine designs.

Can't find them or trust the ones you pick up from a local supplier? These are pulled from the stock we build our own kits from.

The PNP complement to this transistor is our TR3906.

Documentation [Hide]

You Might Also Like [Hide]

TR3906

2N3906 PNP Transistor

TR3906 PNP small signal transistor, as used in most basic solarengine designs.

$0.15 USD

1381

Voltage Trigger

The Panasonic 1381x voltage trigger detects preset voltage levels depending on the flavour you select. These are the heart of many solarengine circuits.

$1.75 USD

D1

1N914 Silicon Diode

Standard 1N914 Silicon Diode for general purpose circuit design.

$0.10 USD

TR2222

PN2222 NPN Transistor

This NPN transistor is similar to the TR3904, but can deliver higher maximum current at better efficiency ratings.

$0.15 USD

SCC3733

37 x 33mm Monocrystalline Solar Cell

This epoxy-encapsulated monocrystalline solar cell offers 6.7V and 20mA in a 37x33mm package. Now updated with the Miller Engine circuit!

$8.00 USD

29150

Grove - MOSFET

Think of a Grove-compatible relay with no moving parts!

$3.90 USD

IRFZ44NPBF

IRFZ44N N-Channel FET

The IRFZ44N is a very powerful useful N-Channel FET, with only 0.0175ohms resistance pushing 20 amperes at 5V!

$2.50 USD

50575

Laser Module Mount

Every laser needs a holder!

$4.95 USD

52655

OpenBeam NEMA17 Stepper Motor Bracket

NEMA17 Stepper Motor Mounts for the OpenBeam construction system.

$7.50 USD

28541

PICAXE-18 Starter Pack (USB)

The PICAXE-18 Starter Pack is an inexpensive development board for 18-pin PICAXE ICs.

$30.90 USD

Currency


Login

Email:

Password:

Remember Me

Forgot Your Password?

Don't Have an Account?
Sign Up!