LEDs â (8mm, 10mm, 20mm) - Electronic Goldmine

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Smallest Full Function VOM This is one of the smallest and neatest digital VOM meters we have ever seen. Unlike most small VOM meters, this meter even measures transistors and current (up to 10 amps). Ranges: DCV 200MV, 2000MV, 20V, 200V, 500V; ACV 200V, 500V; DCA 200uA, 2000uA, 20mA, 200mA, 10A; Resistance 200Ω, 2000Ω, 20KΩ, 200KΩ, 2000KΩ; Diode; Transistor hFE NPN/PNP. This tiny meter is only 3 5/16”L x 1 3/4”W and fits completely in your hand or pocket. Comes with flexible test leads and built in battery. Easy to read high contrast LCD display features large digits! Once you try this meter, you’ll seldom use your full size meter again! Brand new in retail blister package. Hurry, we bought out the supplier’s entire inventory of these quality meters and they won’t be able to supply more of these for a long time. Black case. G12847 $9.95 ea. Edge View 0-10amp DC Panel Meter Features clear case with white face and black marking. Made by Prime. Snaps into 1 1/4” x 9/16” rectangular hole in your panel. Brand new. G4516 $1.99 ea. Large 25 Amp DC Current Meter Nice quality 3.2” sq. meter panel mounts in a 2.5” round hole. Has white face marked 0-25 with black lettering. These are brand new and have an internal shunt. G14639 $9.95 ea. Compact Deluxe VOM with Data Hold and Backlight This is our best VOM! It features a data hold button, a backlight button that lights up the display for a few seconds so you can take readings in the dark, a continuity sound position and a LFE (gain) test position for transistors. It can measure 0-600VDC in 5 ranges, 0-600VAC in 2 ranges, 0-2 Meg Ω resistance in 5 ranges, diode test and 0-10 amps in 5 ranges. This deluxe digital VOM is only 5 1/2” x 2 1/2” x 3/8” and is black in color. Includes a removable yellow insulated holder. Brand new in sealed retail blister package with built in battery and flexible color coded insulated test leads. This is one of the best digital VOMs that we have ever offered! G12941 $16.95 ea. Meters Solar Meter Edgewise Voltmeter 18-32VDC for Solar Energy Applications Colorful scale (red, yellow, green) voltmeter features a scale marked 18 to 32 D.C. Volts. Center scale indicator is at approx. 25V. These have a buit in diode and resistor to allow direct connection accross your panel or load without affecting the functioning of your system. Mounts in a 1 13/16”L x 3/4” hole. Brand new with solder terminals and clear plastic case. G13794 $4.00 ea. Ultra Small Electret Microphone Small electret microphone features red and black flexible leads terminating in a very tiny 2 pin male connector. This microphone is very sensitive and can be used with a 10K resistor from the red lead to + 9VDC (connect red lead also to the input capacitor of your amplifier of FM microphone, etc). Size only .235”Dia x .09” Thin. Brand new. G15220 99¢ ea. Electret Microphone with Long Leads Handy to use, small electret microphone features a shielded cable plus power lead (3 leads total). Flexible leads are about 7”long. Microphone is 3/8”L x 3/8” Dia. Metal case unit with a front surface dust shield. G1098 $1.29 ea. SMD Tiny Microphone Made by Siemens, this tiny microphone is an ultrasensitive electret condenser omnidirectional microphone. It features 2 small terminals on bottom and a rubber boot. Size about <strong>8mm</strong> (dia) x 5 mm (high). Frequency range 20Hz-16KHz, max operating voltage 10VDC, standard operating voltage 2VDC. Brand new–prime! G1820 2/$1.00 G1820A 100/$38.00 G1820B 1000/$350.00 High Quality Ceramic Microphone Make an electronic stethoscope or sensitive listening device with this high quality ceramic microphone. Metal case enclosed unit. Size about 1 3/16” Dia. x 3/16” thick. With 5” Long insulated leads. G5098 $2.00 ea. High Impedence Tiny Speaker/Microphone This 1.21”D9ia. x 0.48” thick off white plastic case speaker features 3 holes for sound and a 110 ohm impedence. Can be used as a speaker or a dynamic microphone. Has 2 solder terminals on back of case. These are becoming hard to find.Part# DR-934 by Hosiden. G14397 2/99¢ Thin Mylar Cone Speaker Small 0.79” dia. x 0.16” thin mylar cone speaker features a strong magnet and an 8Ω impedence. This tiny speaker can actually reproduce music at an acceptable sound quality. Has solder pads for connection. G14360 99¢ ea. Primo General Purpose Sensitive Electret Microphone Primo electret microphone made for non directional applications features 100-10,000Hz frequency response, 2V to 10VDC standard operating voltage. Size: <strong>10mm</strong> (.39”) Dia. x 5mm (.20”) High. Metal case. Sensitivity -44dB@1kHz, S/N Ratio 60dB, Current 650µa max (Vcc=6V), Impedance 1KΩ (1kHz). Brand new. Primo # EM-100 (H). G12786 4/$1.00 G12786A Factory Box of 1000/$180.00 Microphones Spy Mike This is the tiniest electret condenser microphone we have ever seen. It is only 6mm in diameter x 3mm thick. Has dust screen and 2 tiny pins for PC board mounting. Operates on 1.5V up to 3VDC. G1841 2/$1.00 G1841A 100/$45.00 Super Sensitive Electret Microphone Small metal case microphone for audio applications has a built in FET. Use with a 15K resistor to the + lead. Ground goes to the case lead. Has small black dust cover. Size is .39”Dia. x .30”H. Has 2 PC pins for connection. G13702 99¢ ea. Tiny Dynamic Microphone Element Tiny dynamic microphone element with chrome metal grille is only 13.5mm (dia) x 6mm (thick). Impedance is 300Ω. G4196 $1.00 ea. • 10/$8.00 Mini Electret Microphone Assortment Great assortment of miniature electret microphones made for cellular phone manufacturer that stopped production. Contains three different microphones. G9445 $2.00 Miniature Stepper Motor With Schematic 2 phase bi-polar/Quadrature miniature stepper motor. Small 0.8”Dia. x 0.68” thick stepper motor features a knurled .3”L x 0.06”Dia. shaft. Has 5 leads, however we include a schematic of a simple 3 IC driver circuit {uses one 74HC86 IC (G4792A), one 74HC365 IC(G12548) and one 4013 IC (G49999A)}that will drive this stepper motor. The 5VDC circuit schematic features a Run/Stop input and reverse direction input. The stepper motor features 20 steps per revolution and is perfect for miniature robots. The stepper motor is brand new precision made with 4 pin female connector on end of 2.8”L leads. Motor and schematic only (no driver components). A complete PDF version of the schematic is available to download on our website at www.goldmine-elec.com. G14197 $1.99 ea. Motors P.O. BOX 5408 Scottsdale AZ, 85261 • FAX: (480) 661-8259 • ALL OTHER CALLS: (480) 451- 7454 53
Motors Micro Pager Motor Made by Nakimi, this micro size pager motor was designed to provide the vibrate function on miniature pagers. Its size is only 4mm (.16”) Dia. x 12.5mm (.49”) long (excluding shaft and weight). Has 2 tiny terminals for hookup and is mounted in a slip-off rubber shock sleeve. Operates from 1VDC up to 5VDC. Motor resistance is about 11Ω. Great for thousands of micro projects, robots, etc. Brand new. G12809 $1.79 ea. • 10/$15.00 1.5VDC Mini Pager Motor Type Tiny motor designed to produce the vibrating alert in many phones and pagers. This motor is perfect for making tiny beam robots as listed on the internet. Size of body only .65” L x .31” Dia. (excluding shaft). Shaft has a “D” shaped weight attached. Has flexible color coded leads for hookup. Brand new! G13531 99¢ ea. • 2/$1.49 • 100/$60.00 Tiny Vibrator Motor Made for Motorola Products This tiny vibrator motor body is only .44” L x .18” Dia. It has a weight attached to its shaft. These make great motion generators to cause movement in tiny robots, and are also useful in making silent alert alarms, timers etc. Has 2 flexible terminals for power connection. Will operate from 1VDC up to 9VDC. This vibrator motor has a black rubberized boot that can be removed to reduce its size even further. It is one of the smallest and best quality vibrator motors we have ever offered. G13566 $1.29 ea. • 10/$10.00 Tiny Vibrating Pager Motor Small pager motor is only .47”L x .26” Dia. It is securely mounted in a mounting clip that has 3 pins that can be soldered to a PC board. Has 1” long flexible color coded leads and operates from 1.5VDC. Motor produces a nice vibration from the “D” shaped weight mounted to its shaft. Great for silent alerts, miniature robots, etc. Brand new! G15241 99¢ ea. Small Efficient 1/2V up to 9VDC Motor This small motor is so efficient it will even operate on one solar cell (.5V). Size of motor about .95” Dia. x .55” L. Has .40” L shaft that is .08” Dia. Brand new–has solder eyelets and flexible color coded leads (either set can be used). Made by Samhongsa. G13622 $1.29 ea. Mabuchi FF-N20PN Miniature Motor High torque, high RPM motor operates from 1.5VDC up to 3VDC. Speed at no load is 15800 RPM. Current at no load is .096amp. At maximum efficiency RPM=12200, current is .33amp and torque is 2.8g.cm. Stall torque is 13g.cm - Stall current 1.15Amp. Weight about 5 grams. Size only 15mm (L) x 12mm (W). With 4mm (L) x 1mm (dia) shaft. Has solder eyelets. This powerful motor is perfect for making miniature robots. Picture is the approximate actual size of this incredible motor. G2110 $1.00 ea. • 2/$1.89 Mabuchi RS–445PA–17145 12VDC to 42VDC Motor New RS–445PA–17145 motor is about 2.2”L x 1.25”Dia. Features RPM of about 5500 at 42Volts and a current draw of about .3Amp. Tourque at maximum efficiency is about 139 gram– CM. Has .12”Dia. x .33” shaft with removable single sided serrated pulley. Pulley is .32”Dia. G15692 99¢ ea. Heavy Duty Airpax Stepper Motor Airpax Model C82902-M2 is 2 11/16”dia. with mounting ears on 3” centers. Features 2.7V operation with ohms/coil .97, step angle 7.5°. Has 5/8” L x 1/4” dia. “D” shaft. Standard four lead type with 2 ft. long flexible leads. Brand new! No other data available. G9547 $4.95 ea. Miniature Open Frame Motor Tiny open frame motor operates 1.5VDC to 9VDC. Size only 7/8” L x 11/16” W x 3/8” Thick. Shaft is .05” Dia. by .15” Long. Has solder eyelets for power hookup. G14955 $1.00 ea. Small 12VDC Johnson Motor Small 0.94” Dia. x 1.21”L Johnson motor operates from 6VDC up to 24VDC and features a 0.08” Dia. x 0.40”L shaft. has 2 color coded flexible 1.5”L leads with “push on” quick connect terminals. New! G14072 99¢ ea. High Quality Small DC Motors for Robots Each of these motors is a high quality metal case motor with solder terminals, solder pads, or wires for power connection. To reverse direction of shaft rotation simply reverse polarity of battery voltage. All motors can work on higher or lower voltages, but the voltage and current ratings shown are the optimum load conditions. These are perfect for your next robot project. Each motor is new and packaged in a sealed bag with label. Most shafts (except for L & M) are standard 2mm dia. (0.08”). Solar Motor Highly efficient motor made by Hankscraft requires very little current to operate and although rated for 3 VDC, it operates perfectly at 1/2 volt (solar cell output). Make solar powered displays, gadgets, etc. Has flexible color coded insulated leads and small white plastic gear (removable) on shaft. Overall diameter of motor is about 1 5/16”. Shaft is 3/8”L x 0.06” Dia. (1.5mm dia.). G4453 $2.75 ea. Powerful 6VDC Small Johnson Motor This motor has a greater than normal torque for its small size. Operates from 3VDC up to 12VDC and produces a nice amount of torque at 6VDC (rpm=1700). No load current at 6VDC is about .250 Amp. Loaded it is about 1 Amp. Size 1.7”L x 1.18” Dia. Has .5”L x .09”Dia. shaft. With solder eyelets for power hookup Great for robotic applications! G13775 $2.49 ea. Small Cassette DC Motor With Pulley Small DC motor made for a cassette recorder will operate from 3VDC up to 12VDC. Very nice quality efficient design. Size of body excluding shaft is .87”L x 1.2”Dia. Has .40”Dia. black pulley for rubber band attached to shaft. G15315 $1.89 ea. Small DC Robot Motors We have 3 different motors that are perfect for driving small robots: TYPE 1: Very high speed operates from 1/2 volt up to 6VDC. Has small gear on shaft. Size of motor 1 1/4”L x (5/8” x 1/2” oval). G9330 $1.25 ea. TYPE 2: Extra long shaft heavier duty type. Shaft is 3/4” long about 1/16” dia. Motor requires that bare wire (24 ga) leads (you provide) are inserted into socket type connectors on motor to bring in the power to run it. Works great from 3 VDC up to 12 VDC. Size 1 1/4” L x (15/16” x 11/16” oval). G9331 $1.25 ea. TYPE 3: Heavy duty compact design motor by Johnson for large Robots. Motor has 1/2” long 1/16” dia shaft and solder terminals for power hookup. Runs on 6VDC up to 24 VDC. Size 1 1/2” L x 1 1/16” dia. G9332 $1.49 ea. A B C D E F G H I J K Fig. Voltage Current RPM Body (dia. x L) Shaft (dia. x L) Stock Price A 1.5V 97mA 3050 0.95” x 1.2” 0.08” x 0.23” G14403 $1.00 ea. B 1.5V 140mA 5450 0.82” x 1.1” 0.08” x 0.36” G14404 $1.00 ea. C 1.5V 200mA 5700 0.95” x 1.2” 0.08” x 0.23” G14405 $1.00 ea. D 1.9V 32mA* 3450 0.98” x 0.55” 0.08” x 0.10” G14406 $1.49 ea. F 3.0V 35mA* 2700 1.26” x 0.96” 0.08” x 0.34” G14408 $1.49 ea. G 3.0V 140mA 7100 0.94” x 1.34” 0.08” x 0.38” G14409 $1.29 ea. I 6.0V 28mA* 3700 1.26” x 0.96” 0.08” x 0.34” G14411 $1.49 ea. J 6.0V 40mA* 2400 1.33” x 1.04” 0.08” x 0.31” G14412 $1.49 ea. K 9.0V 23mA* 3950 1.26” x 0.96” 0.08” x 0.34” G14413 $1.49 ea. L 12V 220mA 1320 1.08” x 1.5” 0.09” x 0.48” G14414 $1.19 ea. M 18V 140mA 10400 1.08” x 1.5” 0.09” x 0.48” G14415 $1.19 ea. 54 THE ELECTRONIC GOLDMINE · www.goldmine-elec.com · TOLL FREE ORDER LINE: 1-800-445-0697
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Page 3: Lenses, Mirrors & Prisms Giant Lens
Page 7 and 8: Motor Assemblies / Assortments Prec

LEDs â (8mm, 10mm, 20mm) - Electronic Goldmine

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LEDs â (8mm, 10mm, 20mm) - Electronic Goldmine