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series of two-component thermosetting polyurethane potting and encapsulating systems has been formulated without TDI or MBOCA, to ensure minimal health and handling hazards. Usable in applications such as modules, strain-sensitive components, transformers and coils, EN-2500 can be room temperature- or, for reduced cure times, heat-cured. Conap Inc, 1405 Buffalo St, Olean, NY 14760. 716-372-9650. http://www.conap.com Circle 449.
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Potting and encapsulating. The Conathane EN-2500
Full wave bridge. These 0.3-in. square, low profile 1A bridges
feature flexible 0.008 in. wire leads, making the units easy to mount inside equipment.
Ratings on the A10481 series is 1000V+. They are manufactured from four glass passivated
silicon rectifier chips interconnected and encapsulated into a rectifier bridge circuit.
The bridges have a high resistance to shock and vibration, and have high dielectric
strength. API Electronics Inc, 375 Rabro Dr, Hauppauge, NY 11788.
516-582-6767. Circle 450.
Isolated/linearized transmitter. The TH14/2L fits into thermal
heads that have an internal elliptical shape. It takes any thermocouple input, isolates
it, and then can be ranged and linearized for any operating temperature range for the
specified thermocouple type, up to 8 points along the temperature curve. The two-wire
transmitter can be calibrated for a Pt-100 RTD or standard mV signal. Mescon
Technologies Inc, 9318 Gulfstream Rd, Suite A, Frankfort, IL 60423. 800-726-2067. 
Potentiometers for harsh environments. An aerospace-grade
housing, stainless steel shaft and environmental sealing give the Series 157
potentiometers excellent temperature and resistance stability and exceptional robustness.
A bronze sleeve bearing provides durability to withstand over 10 million revolutions with
a 1 lb. side load. Resistance values range from 1 to 100k(omega) ±0.25%. Standard power
rating is 2W at 40°C. Spectrol Electronics Corp, 4051 Greystone Dr,
Ontario, CA 91761. 800-624-8902. 
Airflow switch. The Series 300 Airflow Switches provide
continuous airflow monitoring and fast response in critical environments such as
cleanrooms, semiconductor fabs and electronics enclosures. Calibration points in the
solid-state units can range from 50 to 2000 fpm. A choice of mounting options allows for
installation upstream or downstream, and a unidirectional version also is available. Cambridge
AccuSense Inc, 1000 Mount Laurel Circle, Shirley, MA 01464. 978-425-2090. 
Reduced space DIP switches. The Series 97 half-pitch DIP
switch requires less than half the board space of traditional DIP switches, owing to a
design that incorporates 0.05-in. terminal centers on the side of the package. A gold
contact system ensures reliability, and high temperature plastics and solder coated
terminals satisfy surface mount assembly requirements. They are offered in 4, 6 and 8
position configurations. Grayhill Inc, 561 Hillgrove Ave, La Grange, IL
60525. 708-354-1040. 
RF/microwave capacitors. A line of porcelain and ceramic
dielectric multilayer capacitors designed for RF and microwave applications is offered in
a range of 1 MHz to 2.0 GHz. The AQ Series includes two X7R formulation chips with
capacitance values up to 100,000 pF. The capacitors are characterized by a fine grain,
high density, high purity dielectric material impervious to moisture. AVX Corp, PO
Box 867, Myrtle Beach, SC 29578-0867. 803-448-9411.