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Technical Books - Steam Surface Condenser: Basic Principles, Performance Monitoring, and MaintenanceSupplier: ASME
Description: . The author examines current methods for modeling, diagnosing and improving condenser performance. He describes how to calculate heat transfer coefficients, provides details of the recent ASME Power Test Code PTC 12.2-1998, and explains the significance of heat transfer coefficients in measuring
Description: performance parameters to reference conditions. Performance parameters included are overall heat transfer coefficient, heat transfer rate, and pressure drop. Guidelines are provided for recommended instrumentation and accuracy. The scope of this Code includes instruments, calculation techniques
Supplier: IHS Product Design
Description: RESISTOR, THERMAL, THERMISTOR, DIE CHIP, POSITIVE TEMPERATURE COEFFICIENT (PTC) STYLE 0303
Supplier: Ralston Metal Products Limited
Description: Small PTC (Positive Temperature Coefficient) heaters are designed to prevent condensation in small enclosures. PTC heating elements provide a self regulating and self limiting characteristic, making the heater safe and energy efficient.
- Heater Type: Enclosure Heater
- Maximum Operating (Sheath) Temperature: -49 to 158 F
- Heating Capacity: 0.0050 to 0.0090 kW
- Phase: Single Phase
Standards and Technical Documents - Low-voltage switchgear and controlgear - Part 8: Control units for built-in thermal protection (PTC) for rotating electrical machines -- IEC 60947-8:2003
Description: coefficient (PTC) thermistor detector having particular characteristics, and its associated control unit. The PT100 detectors are covered by IEC 60751, where the resistor values are given according to the temperatures of the detector. The present rules lay down the characteristics of association
Supplier: Thermon Manufacturing Co.
Description: element (patent pending) provides the power-limiting feature of HPT. This PTC (Positive Temperature Coefficient) characteristic decreases the cable’s power output as the heat-traced product temperature increases and allows the cable to be overlapped during installation. The composite construction
- Heater Type: Coil Heater and Cable Heater
- Applications: Other
- Maximum Operating (Sheath) Temperature: 500 F
- Phase: Single Phase
Supplier: Terra Universal, Inc.
Description: Extends shelf life of pharmaceuticals, semiconductor components, food products, and other sensitive materials Provides the humidity stability required by FDA and other regulating agencies Regenerating silica gel desiccant system produces dry air flow between 50 and 300 CFM (85 m³/hr and 510
- Removal Technique: Solid Desiccant Rotor
- Air Volume: 150 SCFM
- Moisture Removal: 0.0150 to 0.0550 lbs/min
- Desiccant Reactivation: Electric, Positive Temperature Coefficient (PTC) Heater
Standards and Technical Documents - LOW VOLTAGE TRANSFORMERS - PART 3: CLASS 2 AND CLASS 3 TRANSFORMERS -- CSA C22.2 NO 66.3Supplier: CSA Group
Description: in conjunction with Part 1. The numbering of the clauses in Part 3 corresponds to the numbered clauses in Part 1. The requirements in Part 1 apply unless modified by Part 3. A Class 2 transformer that includes a separate current-limiting impedance such as a resistor or a positive temperature coefficient device
Description: Polymeric Positive Temperature Coefficient ( PPTC ) Resettable FRX Series Radial Leaded Devices
- Mounting / Packaging: Surface Mount (SMT / SMD)
- Current Surge: 1.35 amps
- Standards and Certifications: RoHS Compliant, UL
Supplier: SAMSON Controls, Inc.
Description: Sensors for measuring the temperature in heating, ventilation and air-conditioning systems. Versions with PTC (positive temperature coefficient) resistors.
- Sensed Temperature: -58 to 248 F
- Probe Configuration: Clamp or Strap Sensor
- Diameter or Width Range: 1.18 inch
- Probe Features: Available as an Assembly
Supplier: Durex Industries
Description: Thermistors are thermally sensitive resistors that exhibit a large change in resistance when subjected to changes in environment temperature. Thermistors have either a Negative Temperature Coefficient (NTC) or a Positive Temperature Coefficient (PTC). Although these assemblies can be designed
- Probe Configuration: Straight Probe
- Diameter or Width Range: 0.1250 to 0.2500 inch
- Sensitive Length: 3 to 22.12 inch
- Process Connection: None or Hand held
Supplier: Moeller Electric/CopperLogic
Description: Moeller's EMT Thermistor Protection Relays are specifically designed to monitor positive temperature coefficient (PTC) thermistors embedded in the motor windings. Typically used in "mission critical" applications, PTC thermistors, coupled with EMT Thermistor Protection Relays provide extremely
- Relay Type: General Application Relay
- Mounting: DIN Rail
- Maximum Current: 3 amps
- Features: Visual Indicator, Voltage Sensitive
Description: The Therm-O-Disc type 12S, 14S and 15S series time delay relays and sequencers are field proven devices for controlling the operation of heating elements and/or fans in electric furnaces and heat pumps. These controls combine a solid state positive temperature coefficient (PTC) heater with bimetal
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Dexter Research Center, Inc.
ST60 Silicon - Thermopile Detector
active area size with medium output. Options: See Standard Windows and Filters (PDF) for list of optical filter options. ST60R TO-5 version offers a low-cost (20% tolerance) poly-silicon resistor to be used as a PTC thermistor. Internal 30k Ω 5% NTC chip thermistor provides ambient package temperature measurement. See DC-4005 section of Thermistor Options (PDF). See Thermopile Configuration Table for more options. Datasheet. For more detailed information see the datasheet ST60 TO-5. (read more)
Browse Thermopiles Datasheets for Dexter Research Center, Inc.
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Brief Introduction of PTC Thermistor
Thermistor can be classified into 2 category, PTC thermistor and NTC thermistor, according to its resistance-temperature characteristics. PTC, abbreviation of Positive Temperature Coefficient. NTC, abbreviation of Negative Temperature Coefficient. PTC thermistor is classified into 2 type
Hot tips on IC temp sensors
a positive temperature coefficient (PTC). A PTC means resistance rises as the temperature climbs. Other materials may have a negative temperature coefficient (NTC). The resistance of NTC material falls as the temperature climbs. The most common device used to sense temperature is the thermistor
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CMOS voltage reference with multiple outputs
Moreover, VD has a negative temperature coefficient (NTC), and DVD possesses a positive temperature ( PTC ) coefficient .
Defect Structure of (Ba, Pb)TiO3Positive Temperature Coefficient Ceramics and Its Influence on Electrical Properties
Therefore, the amount of the Mn doping to enhance the PTC coefficient should be carefully controlled in these kinds of materials, especially in those with high Pb content.
1986 IEEE International Symposium on Applications of Ferroelectrics (ISAF)
The roles and effects of transition elements, other additives, the calcin- ing process. and the sintering method on the room temperature resistivity. the ratio of the resistivity rise, PTC coefficient . and the withstanding volt- age of semiconducting (BaPb)TiO, PTC ceramics are �
Comparison of runoff characteristics of two adjacent basins in a tropical rainforest using a modified hydrologic cycle model with outflow
PTC Coefficient for phase delay of monthly transpiration distribution .
Controlling recurrent papillary thyroid carcinoma in the neck by ultrasonography-guided percutaneous ethanol injection
The pretreatment volume of NR-PTC showed a stronger positive correlation with the total volume of ethanol used per NR- PTC ( coefficient , 0.907) than with the number of sessions per NR-PTC (coefficient, 0.597).
Driving Dright solutions For Automotive LED Lighting Challenges
It is then necessary to balance the PTC coefficient to the light output of the LED.
Page 41. Semiconductor parts with 160 in root number
Polymetric positive temperature coefficient ( PTC ) resettable fuse.
NTE NTE16003 Series Datasheets. NTE16011-ECG, NTE16012-ECG, NTE16002-ECG, NTE16013-ECG, NTE16000-ECG, NTE16014-ECG, NTE16008-ECG, NTE16004-ECG, NTE16001-ECG, N...
Polymetric positive temperature coefficient ( PTC ) resettable fuse. in 2-pin Diagram 629 package.
The electrical behavior of thermosetting polymer composites containing metal plated ceramic filler
The epoxy/copper coated mica system is characterized by an extremely large positive temperature coefficient ( PTC ) effect, which is not followed by a negative temperature coefficient (NTC) effect.
Page 12. Semiconductor parts with 601 in root number
Polymetric positive temperature coefficient ( PTC ) resettable fuse.
Bosch Automotive Electrics and Automotive Electronics
Positive temperature coefficient ( PTC ) resistor .