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Educational

Educational (120 Items)

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  1. SHELL STO.4-XI SOLAR CELL, 60MM X 60MM X 2MM

    3.2 VOLTS DC 80MA CIS SOLAR CELLS - TEMPORARY SPECIAL!!!!

    These are thin-film Copper Indium Diselenide (CIS) solar cells. Recent production, first quality, made by a major solar manufacturer. 60mm x 60mm x 2mm thick (2.4" x 2.4" x .08") The active semiconductor material is deposited on the front of the glass, tinned ribbons are bonded to the edges, then the whole cell is covered with clear tough plastic to protect the cell and ribbon. They are environmentally protected and ready to use. You just solder to the ribbon and mount them in your project. The cells put out about 4.5VDC open circuit and about 100MA short circuit. Maximum power of the ones tested is about .25 watt (80MA at 3.2VDC). CIS is the most stable and rugged of the thin film solar technologies and is about twice as efficient as amorphous silicon. It is more efficient under cloudy or partial shade conditions than crystalline silicon. CIS is also radiation resistant, and therefore often used in spacecraft applications. You can connect them in series for more voltage and in parallel for more current. These should be good for walkway lights, battery charging, remote instrumentation or data loggers, educational projects and other DC electrical applications. Unlike amorphous silicon panels, CIS panels do not degrade due to sunlight exposure. In fact after at least 2 hours of exposure to sunlight of at least 1/2 standard intensity, the output will increase by about 10%. With the first exposure, the semiconductor material is annealed and the output is then stable at the higher level. (This is called light soaking). We have a very large quantity for immediate sale. TEMPORARY SPECIAL!!!! $1.00 ea in 1000 lot!

  2. FLEXIBLE LIGHT ACCESSORIES

    ACCESSORIES FOR SUPER BRIGHT FLEXIBLE LIGHTS

    Accessories for use with 12" and 24" flexible lights - our part numbers GF368 & GF393. Wire caps, end caps and mounting clips. Two kinds of each, for use with either single-color lights or red/green/blue lights, sealed type only. Wire caps & end caps in packages of four, mounting clips in packages of six. Wire caps: Part No. Use with GF491 Single-color light GF492 Red/blue/green light End caps: Part No. Use with GF493 Single-color light GF494 Red/blue/green light Mounting clips: Part No. Use with GF495 Single-color light GF496 Red/blue/green light

  3. 24" FLEXIBLE LED LIGHTING

    24" STRIP LED SUPER BRIGHT FLEXIBLE LIGHTS - THEIR USE IS LIMITED ONLY BY YOUR IMAGINATION!

    These LED lights are surface mounted on 24" flexible circuit board strips and can be used in locations where bulbs would be impractical. 12VDC working voltage, CE and RoHS compliant. Cut length every three LEDs, or 4". Available in waterproof, sealed (PCB color white) or non-waterproof, unsealed (PCB color brown). 18 LEDs per strip, 50/50 SMD. Packaged with additional 6" leads and one each of wire cap & end cap. Sealed type: Part No. Color GF394 Red GF395 Yellow GF396 Pure white GF397 Warm white GF398 Green GF399 Blue GF400 Red/green/blue Unsealed type: Part No. Color GF401 Red GF402 Yellow GF403 Pure white GF404 Warm white GF405 Green GF406 Blue GF407 Red/green/blue

  4. 12" FLEXIBLE LED LIGHTING

    12" STRIP LED SUPER BRIGHT FLEXIBLE LIGHTS

    These LED lights are surface mounted on 12" flexible circuit board strips and can be used in locations where bulbs would be impractical. 12VDC working voltage, CE and RoHS compliant. Cut length every three LEDs, or 4". Available in waterproof, sealed (PCB color white) or non-waterproof, unsealed (PCB color brown). 9 LEDs per strip, 50/50 SMD. Sealed type: Part No. Color GF372 Red GF373 Yellow GF374 Pure white GF375 Warm white GF376 Green GF377 Blue GF378 Red/green/blue Unsealed type: Part No. Color GF379 Red GF380 Yellow GF381 Pure white GF382 Warm white GF383 Green GF384 Blue GF385 Red/green/blue

  5. Click for larger photo!

    THE GRAND-DADDY OF ALL VIBRATION MOTORS!
    4.0 - 14VDC OPERATION!
    1.4" DIAMETER MOTOR CREATES "HAVOC" AND MAYHEM!

    WE CALL IT BY DIFFERENT NAMES... Earthquake Machine, Grand-Daddy Vibrator, and more... This is a unique product from Surplus Traders. Basic motor is 1.4 inches in diameter and runs on voltages from as low as 4 volts to as high as 14 volts. Low current consumption: 200ma@5VDC, 1000ma @ 7VDC, 2.0A @ 10VDC and 2.2A @ 12VDC. Maximum speed is approx 5000 RPM, but operation at this speed, with this weight, is not recommended. Can be used to vibrate: containers, fluids, wall, beds, chairs, deer feeders, etc. Ideal as a signalling device for the hard of hearing, as well, when attached to furniture, doors or walls. We have had many, many requests for a motor of this size and power and now have it available. Order being taken now for future delivery. NOTE: due to the vibration magnitude, this motor is NOT recommended for "personal" devices unless the motor and weight are fully and securely encased. Contact Ted Duskes at 1 800 341 6468 or Ted to reserve your stock now and negotiate large quantity pricing! Are your prototyping a new product? 3 sample units - $100 shipping included (to new product developers only! Click the "more info" icon for a different view. NOTE: it is recommended that this motor always be used in an enclosed (preferably ventilated) housing to prevent injury as the rotating weight has high destructive force capability.

  6. POWERBOARD 3U

    POWERBOARD 3U

    General purpose strip-board has holes in patterns of 6, spaced on 0.10" centers, .037" in dia., and has inter-leaved power & ground rails to permit easier distribution of power for circuit. Accepts 96-pin DIN-41612 VME connector for board-to-board or backplane connections and holes are provided for latches. Etched FR-4 glass-epoxy w/one oz. copper on both sides, tinned. Dimensions: 3.9" x 6.3" x 1/16". 38 rows by 62 columns of holes, total.

  7. CIRCUIT BOARDS

    PRINTED CIRCUIT BOARDS

    Positive acting, presensitized PC boards using FR-4 fiberglass substrate. In sizes 2 x 2" to 12 x 12" and 1/16" or 1/32" thickness. The 2 oz. boards have twice the standard thickness of copper. Part No. Size Copper Wt./sides Thickness GF190 2" x 4" 1 oz./one 1/16" GF191 3" x 4" 1 oz./one 1/16" GF192 3" x 4" 1 oz./two 1/16" GF193 3" x 6" 1 oz./one 1/16" GF194 4" x 6" 1 oz./one 1/16" GF195 4" x 6" 1 oz./one 1/32" GF196 4" x 6" 1 oz./two 1/32" GF197 6" x 6" 1 oz./one 1/16" GF198 6" x 6" 1 oz./two 1/16" GF199 6" x 9" 1 oz./one 1/16" GF200 6" x 9" 1 oz./two 1/16" GF201 6" x 9" 1 oz./one 1/32" GF202 6" x 9" 1 oz./two 1/32" GF203 6" x 12" 2 oz./one 1/16" GF204 6" x 12" 2 oz./two 1/16" GF205 7" x 10" 1 oz./one 1/16" GF206 12" x 12" 1 oz./one 1/16" GF207 12" x 12" 1 oz./two 1/16"