Tuesday, December 13, 2011

Riedon - High Precision Resistors

Riedon has been providing original equipment manufacturers with high-precision, wirewound resistors and committed customer service since 1960.



Wirewound, Thick & Thin Film, and also Foil resistive products used in industries such as Industrial Automation, Aerospace, Military and Instrumentation.



Riedon - High Precision Resistors



Custom RTD elements, Power resistors as heating elements. Compensation Resistors, Metal and Thick Film networks and arrays.



These Precision Shunt Resistors are designed for systems which have a fast changing electrical load. It has a Heatsink and is encapsulated in epoxy. The substrate is Alumina for Good Heat Transfer but with Electrical Insulation. It is a Resistor formed by a NiCr Foil. (Like Nichrome).



Precision Resistors - UNS 4-T220 - Riedon



Precision Resistors - UNS 4-T220 - Foil NiCr - Riedon



Specifications


  • Resistance from 0.2 Ohm to 80 Ohms

  • Power Rating to 15 Watts

  • Resistance Tolerances to ±0.01%

  • TCR to ±1ppm/K

  • Load Stability to 0.01%


Resistors are probably the most common and well known of all electrical components. Applying a resistor to a circuit normally requires (1) calculating the nominal values needed in the circuit application (resistance, power rating, etc.) then (2) developing acceptable tolerances for the resistor that ensure it will function properly in all extremes of the application.



Read up the "Temperature dependence and TC" - The absolute ohmic value of a resistor is temperature-dependent. Also the "Definition of terms in the specifications of Resistors."



Riedon Inc

300 Cypress Avenue Alhambra, CA 91801, USA

Ohmcraft - Thick Film Resistors

These are surface mount resistors, the Resistive Element is Thick Film on Alumina Substrate. We can get Voltage Ratings upto 600 Volts and 50 Gigohms Values. Low noise high stability resistors.

Specialized in the design and manufacturing.of thick film, high voltage, high precision resistor . High voltage resistors and high value resistors.

Ohmcraft - Thick Film Resistors

Ohmcraft - Thick Film Resistors

SM Chip Resistors go to values in giga-ohms. The Technology - Micropenned serpentine patterned resistors, engineered for ultra precision.

SM Series High-Value Resistors - Ohmcraft

"Our patented Micropen precision printing technology provides ultra precision, thick-film high ohmic value, surface mount resistors. Ohmcraft’s Micropenned serpentine patterned resistors produce superior electrical characteristics:"

Ohmcraft ia a division of Micropen Technologies Corporation
93 Paper Mill St., Honeoye Falls, NY 14472

Monday, December 12, 2011

Matsusada Precision - HV Systems

Develops, manufactures HV Precision Supplies, X-ray products and Opto-Semiconductors Systems.


Matsusada Precision - HV Systems


DRA Series is sine wave output AC power supplies onto which various functions required of experiments and production lines are packed.


AC power supplies - Matsusada Precision


Compact AC supply - DRA Series


Features Include



  • 0 to 150V, 0 to 300V - Voltage

  • 1 to 550Hz - frequency variable

  • High efficiency and low input current

  • Wide range of output voltage and frequency

  • Performing double function as AC and DC outputs

  • Options of various I/F and optical insulation control


Matsusada Precision Inc


745 Aojicho Kusatsu, Shiga 525-0041 Japan

Friday, December 9, 2011

Essemtec Switzerland - Production Equipment

Leading manufacturer of Surface Mount Technology (SMT) production equipment. Printed Circuit Board (PCB) production and prototyping equipment.


Essemtec Switzerland - Production Equipment


The EXPERT placement system is designed for rapid prototying and small batch manufacturing. The integrated dispensing system and hot air soldering tool make this machine a complete production center in one single unit.


EXPERT SMD Pick Place


SMD Pick & Place for prototyping - Essemtec


Features Include



  • Manual and semiautomatic models

  • Smooth gliding arm system

  • Air suspended pick & place head

  • Integrated placement illumination

  • Automatic component lowering to PCB

  • Glue and solder paste dispensing system

Thursday, December 8, 2011

Glassman High Voltage - Power Supplies

Regulated HV Power Supplies. Designs and Manufactures high voltage power supply technology for original equipment manufacturers, laboratories and research facilities.

Glassman High Voltage - Power Supplies

The PK family of power supplies are sophisticated, 4 and 8 kW air insulated high voltage DC power supplies offering low ripple and noise, fast response, and tight regulation.

PK Series Glassman High Voltage - Power Supplies

PK Series 4 kW & 8 kW

Regulated High Voltage DC Power Supplies

Input: - 4/8 kW, 3-phase: 187-228 V RMS, 48-63 Hz, fused for 20 A (per 4 kilowatt module), derate for line unbalance > 2%. 5-position terminal block, with cover, provided. 8 kW supplies have one additional terminal block for the slave.

Output: - Continuous, stable adjustment from 0 to rated voltage/current by means of panel mounted 10-turn potentiometers with 0.05% resolution, or by external 0-10 V signals. Repeatability better than 0.1% of full scale. Accuracy is 1% of rated + 1% of setting

Glassman High Voltage, Inc.
PO Box 317, 124 West Main Street, High Bridge, NJ 08829-0317, USA.