Educational

Commercial grade positive interference filters designed to clean cable TV channel 3 of interference. These filters are very hi-Q notch filters worthy of examination and experimentation.

Moving coil. 2.5% full scale accuracy. Requires 2-1/16" dia. panel hole with 1-1/4" depth behind panel. Units have basic meter movement and will require a load resistor to effect proper reading for the 15VDC scale. Great school shop item.

2-3/8" x 2-3/8". Moving coil. 2.5% full scale accuracy. Moving coil. 2.5% full scale accuracy. Requires 2-1/16" dia. panel hole with 1-1/4" depth behind.

Very, very handy around the lab & shop. You can select 12VDC - 9VDC - 7.5VDC - 6VDC - 4.5VDC - 3VDC - 1.5VDC at 1 AMP. Charge batteries, power devices etc. Very vesatile. Polarity reversing switch. Comes with 6 output plugs; 2.35/0.7mm, 4.0/1.7mm, 5.5/2.5mm, 4.75/1.7mm + 2.5mm ultramin plug and 3.5mm mini plug. 110/220VAC switchable input for use in USA or Europe. Large quantity available.

Odds'n'ends...samples, leftovers. Both AC and DC types. Excellent for surplus dealers, service shops, hobbyists, schools, experimenters, etc. No two paks alike. SUPER VALUE!

As used in systems by Niles, Jamo Custom, etc. LED in housing with self-adhesive backing, with a 4' cable terminated in 2.5mm mini plug. Universal applications.

Hard to find at any price. High impedance (over 1000 megohms), this crystal earphone is used mainly with crystal sets and other experimental circuits. Simple "plug-in-your ear design. Molded plastic shell. Light duty 7' twisted flexible wire terminated in 3.5mm mini plug.

1/2" Dia. By 3/16" thick. Take all for only 0.03 each, or smaller quantities at 0.04 - 0.06 each (minimum 30,000 units).

MAC model 811C-PM-221BA-122. With integral gangable aluminum manifold modules. The valve is a four way two position single solenoid type. The solenoid is 24VAC. Pressure 20 to 150 PSI. 5.4 to 6.7 watts. Short wire leads. Suitable for air and inert gases. Size; 5-1/4"L x 2"H x 1"D. Removed from used equipment. Less gaskets. 1000 available.

286X PC Turbo. 5 ¼ inch disk drive, and space for additional drives. Keyboard, 14 inch monochrome monitor, and some software included. Also, Raven PR-2416, 24 PIN Multi-mode Printer. Ideal for novice computer users, children, and for use as a word processor. Sold "as-is". $99.00.

Brand new 0.33UH coils real cheap. Model 142-06J08. Size 3/8"W x 3/8"L x 1/4"H. Metal case with 2 mounting tabs and coil has two pins for PC mounting. Adjustable ferrite core.

Muarata Part number SFE10.7MJA10A. Input/output impedance 330 ohms. Temp range from -20 deg C to +80 deg C. This low price makes them a great basis for school projects.

Great value for the electronics and electricity shop. Also great for the school maintenance department. No two assortments alike. We make these up from our odds-n-ends, samples and leftovers. Both AC and DC types. All first class material at a fraction of original cost. $39 per assortment of 100 or purchase 10 assortments (1000 transformers) for $285

10 chapters provide detailed instruction on how to install the DSS satellite dish.22 minutes. 1700 available. Will sell off in one lot only. at $1.40 each or best offer.

Find a use for these. They are cheap! On one end we have a fine quality molded on DB-15 male plug. The 7' long seven conductor cable itself is 5/32" dia, round rubber covered and of fine quality. At the other end of the cable we have a molded on "flex" type strain relief. 4 of the exiting conductors have 1/8" female push on connectors. The remaining 3 conductors are unattached. will the creative thinkers in the crowd please find a use for these.

Black case with bright yellow insulator. Immediate delivery offers excellent option for short production run requirements. 29,000 in stock.

4" speaker complete with a cable and Molex connector attached. 180 - 10kHz resp. Great shop item. Useful for so many projects.

12VDC/4.16AMP. Symbol technologies p/n TR9CE4100LCP-A. Model 50-14000-075-REV2. UL/CSA plus approval for 4 other countries (CE). Level 3. Input 100-240VAC/50/60Hz. Made in Taiwan. 5-3/4"L x 2-1/2"W x 1-1/2"H. Standard IEC 3-prong socket for line cord. 5' output cord is terminated in 2.5/5.5mm barrel jack with 10mm shank. Center positive. weight is 1 lb.

Tiny. 1/2" long x 3/16" wide x 3/16" high. Bears manufacturers p/n MS5012BP-4. SPDT. PC terminals.

CTS #295S1065 100,000 ohm dual pot. 7/8" dia x 1-3/4" overall length. 1/4" dia. x 1/2" long flatted shaft. 270 degree rotation. Unthreaded bushing. Solder lugs.

110/120VAC input. Output voltages; 3, 4.5, 6, 7.5, 9, 12VDC at 2 amps. Fully regulated. Low ripple. Short circuit protection. Automatic thermal cut off. Automatic overload protection. Heavy duty red and black binding posts. Led power indicator. 3-3/4"W x 5-1/4"L x 2-5/8"H. Weighs 2 pounds 14 oz. Ideal lab or shop bench unit. Special school price.

Ideal for schools, hobbyists and fleamarkets. 15 pounds of electronic surplus, samples, left-overs, etc. You will just love what $12 can buy. Minimum purchase is 10 boxes.

Input; 100-125/200-240VAC 1.0/0.5A 50/60Hz. Branded AT&T. Four outputs; +5VDC/1.9A, +8VDC/1.1A, +15VDC/360ma, -15VDC/90ma. CSA plus approved for use in 3 other countries. (also bears #91-50792) CSA level 3 power supply. 6-1/2"L x 3"W x 2-3/8"H. Output cable terminated in special AT&T plug. Requires standard IEC type line cord (not supplied). Made in Malaysia

960 magnets with self-adhesive backs per roll. Rolls are scored every 2.5" to get magnets that are 0.030" thick x 1" x 2.5". 105 rolls available. As low as $90.45 each roll in quantity. Great item for arranging products in a display! Minimum order 8 rolls