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Resistors
We have hundreds of thousands of 1/4 watt resistors which we will send an assortment of (100) 1/4 watt resistors of at least (10) different ohm ratings. All have two axial leads, and 5% tolerance. Don't miss out! This is to cheep to pass up.
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21970 ASSORTED RESISTORS |
4.1 MFD Capacitor
A 4.1 MFD 300 VAC capacitor. Only 1-5/8" long x 3/4" dia., the MGT-67A P.C. mount capacitor has a resistor mounted on its side.
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28999 4.1 MFD CAPACITOR |
Tinker With Transistors
WARNING: CHOKING HAZARD-Small Parts. Not for children under 3 yrs.
Hundreds of experiments. Months of fun. These solderless electronic kits from Maxitronix™ are exceptional. Each comes with a plastic console, myriad pieces and parts, and an entertaining, easy–to–read instruction book that’s so big it’s called an Owner’s Manual. The 300–in–1 kit has a 13” x 9-1/2” console with a built-in speaker, earphone, LED display, meter and more. It starts with the basics about transistors, transformers, diodes, capacitors, oscillators, circuits, etc., offering (300) radio–circuit, sound–effect, digital and other projects. equires (6) “AA” batteries (not included). Anyone from age 10 to adult who likes electronics will lust after these kits!
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91934 300-IN-1 KIT |
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It's A Snap!
WARNING: CHOKING HAZARD-Small Parts. Not for children under 3 yrs.
with our best selling electronics kit. Build 100 or more electronic projects from a Reflection Detector to a Simple Salt Water Alarm with Snap Circuits Jr. The Elenco kit, a Dr. Toy Winner, has a grid base and a selection of conductors, resistors, switches, integrated circuits and more, for a total of (30) color-coded snap-in parts. For ages 8 to 108, the easy-to-use components and well-designed instruction manual make this a perfect way to spend some quality time with a bright young child! AWARDS: The National Parenting Center-Seal of Approval, Dr. Toy 100 Best Children's Products, Dr Toy Best Educational Products.
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92133 SNAP CIRCUIT JR |
LCDs
These liquid crystal displays are raring to go. As soon as we can get Mary Ann to stop playing with them we'll pick out (5) assorted displays for you. (She keeps zapping them with static electricity to see what pops up. Mary Ann is easily amused.) Sizes range from 1-3/16" x 2" to a few as large as 5" x 10". They're unused. Some have pin leads, some have traces right on the wafer. Either way, they're a terrific bargain.
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34244 LIQ CRYS DISPLAY |
Peltier Heat Pump
High tech comes to Am Sci & Surp!! It is here in the form of a Peltier junction, a thermo-electric device that translates electric power into heat, and perversely, into cool. Apply current @ 3-12 VDC to the gizmo and it extracts thermal energy from one face, thereby cooling it. The heat is dumped onto the other face, thereby heating it. Please note: you must use a heat sink on the hot side or the junction will fry itself, since it can quickly create a 65° C temperature differential in a no load situation. Stack two, or build a cascade to increase the thermal differential created. Or run it backwards. Apply heat or cold to the relevant face and produce a current. Amazing for science projects and experiments. Practical for coffee warmers, beer coolers and mini-refrigerator or warming oven applications. Comes with instructions. Large is 1-9/16" sq. x 3/16" thick.
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89143 LARGER PELTIER JUNCTION |
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Treat With Heat
Start with one naked wire or a number of them, and a piece of our clever tubing, and end up with nice, tightly covered wire. For the specific diameters below, our each is a package of (10) 12" pieces of heat-shrink tubing. For an assortment of sizes, our each is a dozen pieces of 4" long tubing. You'll get (4) pieces each in 1/8", 1/4" and 1/2" diameters. All sizes are black. All will shrink to trim diameters half their current size when heated to 125°C/257°F. If only it worked on waistlines.
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92441 1/2" SHRINK TUBE | |
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93365 1/8"-1/2" ASST. SHRINK TUBE |
Begin Electronics!
WARNING: CHOKING HAZARD-Small Parts. Not for children under 3 yrs.
Cool kit to introduce the beginner (age 10+) to the fabulous world of electronics. You will learn the basics of putting together circuits through over 50 projects building actual devices like an alarm, a radio, a metal detector and much more. The simple but complete instructions explain voltage, current resistance etc. This kit from Elenco is a giant "breadboard" with wires that can be connected to form the circuits as explained in the instructions…and all without soldering! A fabulous educational item at a fabulous surplus price!!
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29781 ELECTRONIC PLAYGROUND |
SNAP CIRCUIT SC300
WARNING: CHOKING HAZARD-Small Parts. Not for children under 3 yrs.
Build 300 or more electronic projects from a Reflection Detector to a Simple Salt Water Alarm with Snap Circuits SC300. The Elenco kit, a Dr. Toy Winner, has a grid base and a selection of conductors, resistors, switches, integrated circuits and more, for over (60) color-coded snap-in parts. For ages 8 to 108, the easy-to-use components and well-designed instruction manual make this a perfect way to spend some quality time with a bright young child! AWARDS: The National Parenting Center-Seal of Approval, Dr. Toy 100 Best Children's Products, Dr Toy Best Educational Products
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93437 SNAP CIRCUIT SC300 |
More Electronics...More Fun
WARNING: CHOKING HAZARD-Small Parts. Not for children under 3 yrs.
When is a toy not a toy? When you can have fun with a kid, and build a digital voice recorder at the same time. If the young Tom Edison had had one of these kits, your grandparents' lives would have been a lot easier. Elenco's Pro Model SC-750 is a Dr. Toy winner, from their Snap-Circuits" series. Has over (80) parts to snap (no soldering) into a grid and learn electronics while building an AM or FM radio, digital voice recorder, burglar alarm, doorbell, and electronic games, among over 750 experiments, including solar, electromagnetism, and computer-interfaced applications. For ages 8 up to adult, it includes a well-written, graphically illustrated instruction manual. AWARDS: The National Parenting Center-Seal of Approval, Dr. Toy 100 Best Children's Products, Dr Toy Best Educational Products.
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93444 SNAP CIRCUIT PRO 750 |
Irresistible Capacitor Collection
Ten dozen, to be exact. Our package of 120 radial lead electrolytic capacitors comprises: (15) each of 1uF, 2.2uF, 4.7uF, 10uF, and 22uF at 50V, (15) each of 47uF and 100uF at 25V, and (5) each at 220uF, 470uF and 1000uF at 25V. From Velleman®.
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93493 120 CAPACITORS |
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