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QFWB-30-5-US01
- Part Number: QFWB-30-5-US01
- Categories:
- Manufacturer: Qualtek
- MOQ: 1PCS
- In Stock: N/A
- Datasheet:
- Description: AC/DC WALL MOUNT ADAPTER 5V 18W
- Payment method: Paypal/Wire transfer/Visa
- Delivery Method: UPS/DHL/FEDEX/EMS
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QFWB-30-5-US01 Specifications
| Manufacturer | Qualtek |
| Form | Wall Mount (Class II) |
| Features | - |
| Efficiency | Level VI |
| Input Type | Fixed Blade |
| Cord Length | 59" (1.50m) |
| Applications | ITE (Commercial) |
| Polarization | Positive Center |
| Power (Watts) | 18 W |
| Product Status | Active |
| Approval Agency | cULus |
| Input Connector | NEMA 1-15P |
| Region Utilized | North America |
| Standard Number | - |
| Voltage - Input | 100 ~ 240 VAC |
| Output Connector | Barrel Plug, 2.1mm I.D. x 5.5mm O.D. x 11.0mm |
| Size / Dimension | 2.81" L x 1.70" W x 1.13" H (71.3mm x 43.3mm x 28.8mm) |
| Voltage - Output | 5V |
| Operating Temperature | 0°C ~ 40°C |
| Current - Output (Max) | 3.5A |
| No Load Power Consumption | 100mW (Max) |
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QFWB-30-5-US01 Packaging
step1: Inspect Products
step2: Vacuum Packaging
step3: Anti-Static Bag
step4: Individual Packing
step5: Packing Box
step6：Shipping Tag
- Before shipping, we will inspect the parts to ensure it in good condition and check that the parts are brand-new and original with the datasheet. And then, all the products will be packed in an anti-static bag.
- After ensuring that there are no issues with any of the goods after packing, we will wrap them carefully and send them by international express. It demonstrates exceptional seal integrity, outstanding tear and puncture resistance, and both.
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- A temperature transducer is a sensor that can sense temperature and convert it into a usable output signal. The temperature sensor is the core part of the temperature measuring instrument, and there are many varieties. After entering the 21st century, temperature sensors are rapidly developing towards high-tech directions such as high precision, multi-function, bus standardization, high reliability and safety, development of virtual sensors and network sensors, and development of single-chip temperature measurement systems. The bus technology of the temperature sensor has also been standardized, and it can be used as a slave to communicate with the host through a dedicated bus interface. According to the measurement method, it can be divided into two categories: a contact type and a non-contact type. According to the characteristics of sensor materials and electronic components, it can be divided into two types: thermal resistance and thermocouple. 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Its sensitive components are not in contact with the measured object, also known as a non-contact temperature measuring instrument. This instrument can be used to measure the surface temperature of moving objects, small targets, and objects with small heat capacity or rapid temperature changes (transient), and can also be used to measure the temperature distribution of the temperature field. The most commonly used non-contact thermometers are based on the fundamental law of black body radiation and are called radiation thermometers. Radiation thermometry methods include the brightness method (see optical pyrometer), radiation method (see radiation pyrometer), and colorimetric method (see colorimetric thermometer). All kinds of radiation temperature measurement methods can only measure the corresponding photometric temperature, radiation temperature, or colorimetric temperature. 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With the development of infrared technology, radiation temperature measurement has gradually expanded from visible light to infrared and has been used below 700°C to room temperature with high resolution. Working principle Metals undergo a corresponding extension when the ambient temperature changes, so the sensor can signal this response in different ways. Bimetal Sensor A bimetal sheet is composed of two pieces of metal with different expansion coefficients attached. As the temperature changes, material A expands more than the other metal, causing the metal sheet to bend. The curvature of the bend can be converted into an output signal. Bimetal Rod and Tube Sensors As the temperature increases, the length of the metal tube (material A) increases, while the length of the non-expanding steel rod (metal B) does not increase so that the linear expansion of the metal tube can be transmitted due to the change of position. 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There are two types of changes in resistance positive temperature coefficient Increased temperature = increased resistance A decrease in temperature = a decrease in resistance negative temperature coefficient Increased temperature = decreased resistance Decrease in temperature = increase in resistance Thermocouple Sensing A thermocouple consists of two metal wires of different materials welded together at the ends. Then measure the ambient temperature of the non-heating part, and the temperature of the heating point can be accurately known. Since it must have two conductors of different materials, it is called a thermocouple. Thermocouples made of different materials are used in different temperature ranges, and their sensitivities also vary. The sensitivity of the thermocouple refers to the change in the output potential difference when the temperature of the heating point changes by 1 °C. 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The following is an introduction to the characteristics of the thermocouple and thermistor temperature instruments. thermocouple Thermocouples are the most commonly used temperature sensors in temperature measurement. Its main advantages are a wide temperature range and adaptability to various atmospheric environments, and it is strong, low in price, does not require a power supply, and is the cheapest. A thermocouple consists of two wires of dissimilar metals (metal A and metal B) connected at one end. When one end of the thermocouple is heated, there is a potential difference in the thermocouple circuit. The temperature can be calculated from the measured potential difference. However, there is a nonlinear relationship between voltage and temperature. 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