Power Supplies


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84 Products Found


42004

Breadboard Voltage Adapter w/microUSB

Add regulated 5V or 3.3V power to your breadboard using either a 2.1MM barrel jack or USB cable.

$8.95 USD

40406

Buck Boost Converter

1.25 ~ 35V Buck/Boost Regulator with 3A current capability

$4.50 USD

34048

7.5V 2.5A power supply with 3M cable

7.2VDC, 2.5 Amp, switching power supply with a 3 meter cable to power those hard to reach projects.

$8.25 USD

SCPD

1/8" Square Solar Cell

These are small 1/8" square clear-epoxy encapsulated solar cells generating about 1/2 volt @ 1.9mA in sunlight.

$1.35 USD

SCC2433B-MSE

24 x 33mm Monocrystalline Solar Cell + MSE Circuit

This epoxy-encapsulated monocrystalline solar cell generates a nominal 4.5V / 18mA (sunlight) from a 24x33mm package. And has an integrated solarengine circuit board!

$6.50 USD

SCC3766

37 x 66mm Monocrystalline Solar Cell

This big brother of the SCC3733 is also an epoxy-encapsulated monocrystalline solar cell, but this one offers 8 volts and 44mA in a 37 x 66mm package!

$11.00 USD

BHold9V

9V Battery Snap Connector

Standard 9V battery connector.

$0.75 USD

BHoldAAA

2 x AAA Battery Holder (pin leads)

For builders of smaller robots, here's a holder for a pair of AAA batteries.

$2.75 USD

BHoldAA

2 x AA Battery Holder (wire leads)

Need to hold a pair of AA batteries?

$2.75 USD

BHoldAA 4 Cell

4 x AA Battery Holder

It's a nice quad-AA battery holder, with 6" leads.

$2.75 USD

18932

PowerBoost 1000 Basic - 5V USB Boost @ 1000mA from 1.8V+

This 4A capable PowerBoost 1000 can turn almost any battery voltage below 5.5V into a steady 5.2V to power your USB devices.

$14.95 USD

BattR4

3.6V / 170mA Pyramid Rechargeable Battery

This 3.6V 170mAh rechargeable Ni-Cad battery contains three cells in pyramid configuration.

$0.50 USD

34020

Breadboard Voltage Regulator Kit

The BVR Breadboard regulator kit makes it easy to add regulated, switchable power to your breadboard by using practically any 2.1mm DC adapter!

$5.95 USD

SCC2422

24 x 22mm Monocrystalline Solar Cell

This new solarcell is a bit smaller than the SCC2433, giving you solar power in a small and convenient package.

$4.45 USD

17010

Battery Holder 3-AA

This battery holder uses 3 AA cells to power your electronics, robotic or embedded project. You can do without, but MAN, when you need to hold 3AA cells, you'll need it!

$2.50 USD

17020

3-AA Battery Holder (w/ 15cm leads)

This unit is great for wiring up 3 AA batteries in series.

$2.25 USD

46225

LED Voltmeter Display 2.5-30VDC, Green

Small and self-powered, this green LED voltmeter is a handy monitoring module.

$3.95 USD

17440

Barrel Power Jack socket, 2.1mm Connection

2.1mm barrel power jack socket. For connecting barrels, I mean "power leads"!

$1.00 USD

BHoldAAA 1 Cell

1-Cell AAA Holder

Holder for single AAA size battery. 1.95" long x 0.50" x 0.50" high. Unbreakable black plastic. 6" wire leads.

$0.80 USD

BHoldAA-5cell-P

5 x AA Holder With 2.1mm Barrel Plug

It's a nice 5-AA battery holder, with 5" leads and a 2.1mm DC barrel plug.

$3.75 USD

15032

SparkFun Barrel Jack Power Switch - M-F

Instead of yanking and plugging 2.1" power connectors, toggle the power with this short inline power switch.

$2.50 USD

50515

SparkFun DC/DC Converter

Need a tidy DC-to-DC converter? This SparkFun breakout board offers 6 amperes of conversion, taking any DC voltage between 4.5-14VDC, and turning it to a selectable voltage between 0.59 and 5.5VDC.

$21.95 USD

33047

Switchable Voltage Divider

Switchable Voltage Divider is a voltage divider with switches. The switches can be used to control which resistors are used in the voltage divider.

$15.00 USD

50220

10W Step Down Adjustable Switching Regulator

The DE-SWADJ is the adjustable version of the "SW0XX" step-down voltage regulators. Using the same form-factor as a standard 78LMXX style regulator, it is a much better way to give regulated voltage to your project.

$17.45 USD

50222

25W Step Down Adjustable Switching Regulator

The DE-SWADJ 3 is a larger version of the DE-SWADJ adjustable step down voltage regulator, and is designed to be stronger, faster and better.

$25.00 USD

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