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Temperature Compensation Crystal Oscillator

Supplier From China
Mar-24-09

Frequency range 1.000mhz 40.000mhz
Frequency accuracy 1.0ppm/max


Smd type.
Size 50*32


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Smd type and negative temperature co-efficient(n.T.C.) thermistors. Generally practice in engineering and electronics industry field, as well as apply in biochemical, technology, automobile and medical system. We can do oem and odm or customize for any type of custimer and recommand the suitable products for them.
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Linear PTC Thermistor (LPTC) resistance increases with the temperature rises in linearity, displays a virtually linear positive temperature coefficient over their entire temperature range, suitable in measurement and control system, temperature compensation. As the construction material is mainly semiconductor monocrystalline silicon, also called silicon temperature sensor, silicon thermistor, sometimes referred to as silistors. As the temperature coefficient is positive, the silicon temperature sensors exhibit fail-safe operation when a system overheats. Furthermore silicon is inherently stable, so silicon temperature sensor are extremely reliable and have very long operational lifetimes. Hermetically sealed glass package, axial leaded, 2 leads, can operate in high temperature and moisture environment. Linear PTC thermistor in small dimension, tightness, convenient for automatic installation.

AMWEI Linear PTC Thermistor (LPTC) Features:
1. Silicon temperature sensors have a TK (temperature coefficinet) which is nearly constant over the complete temperature range. Temperature coefficient a25/50>=0.7%/C.
2. Excellent long term stability, annual diversification rate <=0.01C/per year, temperature drifts during the lifetime of silicon temperature sensor are negligible.
3. Thermal Time Constant: 10 seconds max in still air.
4. Operating temperature range -50C--+150C.
5. Dissipation factor 2.5--5mW/C.
6. Maximum operating current Iopr=1.0mA.
7. Rated power 10mW.
8. Resistance at 25C optional 600 ohm, 1000 ohm, 1600 ohm, 2000 ohm.
For AMWEI AM-LPTC600, AM-LPTC1000 part can be matched with Philips silicon temperature sensors part KTY84, KTY81.

Silicon temperature sensor Application:

1. Industrial automation control equipment.
2. Home appliance temperature detection and compensation.
3.Precision circuit and crystal oscillator temperature compensation.
4.Temperature compensation of silicon semi conducting devices.
5.Temperature compensation of instrumentation amplifier.
6.A/D converter temperature compensation. íñ Micro motor timing control.
7.Automobile temperature detection and control.
8.Medical equipment temperature detection and control.
9.Linear PTC thermistor applications also include transmission, engine oil and coolant, heating system, overheating protection, amplifiers, power supplies, transducers, telemetry, computers, magnetic amplifiers, thermometry, meteorology, temperature regulation and over-temperature protection.
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BRAND : FUJI TEMPERATURE CONTROLLER
PXF9 , PXF4, PXF5, PXF4 SOCKET TYPE ALL SERIES AVAILABLE .

Precise control:
Achieved a processing speed of 50 ms which is 10 times faster than conventional models. Reading accuracy is also improved from �±0.5% to �±0.2%*.
*Comparison under 0â??850�°C range, with RTD. See the Data Sheet for details.
Easy-to-see display
MVA LCD* which offers high contrast and wide viewing angle
Process value is displayed in white
*Minimal translucent type vertical alignment liquid crystal display
Practical options
Simple watt-hour metering function: allows you to monitor energy consumption
Operating days alarm: tells you the appropriate time for maintenance work
Most compact class in industry
36% smaller (than conventional models) and 58-mm depth shallow body helps downsize your facility
Universal input
You can use any input among RTD, thermocouples, voltage, current, and mV. The set-up for input change is very easy, only requires parameter change. This allows reduction of maintenance parts
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Temperature Sensing Chip NTC Thermistor 0201 10K 47K 68K 100K For LED Lighting

I Description Of The Chip NTC Thermistor 0201

NTC thermistor is a ceramic semiconductor thermal crystal sintered from various metal oxides mainly manganese, cobalt and nickel. It is extremely sensitive to temperature changes. Its zero-power resistance varies with the body temperature. As the temperature increases, the resistance value decreases exponentially, and the temperature coefficient is as high as (3~6%/). A small temperature change will cause a large resistance value change. According to the R-T resistance temperature curve of the thermistor, the precise resistance value of each temperature point can be measured. In the circuit, the temperature can be digitally corresponded through the resistance value for temperature measurement and control.AMPFORT thermistors have low thermal time constants which result in extremely high rates of resistance change to accurately track the temperature.

II Features Of The Chip NTC Thermistor 0201

Coated with glass layer, excellent humidity resistance, high reliability and stability
Miniature size, no lead, excellent solderability, ideal for high density SMT installation
Series of B constant for various applications
Highly reliable multilayer / monolithic structure
Wide temperature operating range -55-125
Environmentally-friendly lead-free
RoHS compliant

III Applications Of The Chip NTC Thermistor 0201

NTC thermistors are widely used in home appliances, digital communications, automobiles, etc. because of their high sensitivity to temperature, good reliability, strong interchangeability, low cost, small size, and easy processing into various required shapes and sizes. In industrial, medical and other fields, its main functions are temperature detection and control, temperature compensation, surge current suppression, and fluid flow testing.

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