Allicdata Part #: | RER70FR191RC02-ND |
Manufacturer Part#: |
RER70FR191RC02 |
Price: | $ 19.68 |
Product Category: | Resistors |
Manufacturer: | Vishay Dale |
Short Description: | RES CHAS MNT 0.191 OHM 1% 20W |
More Detail: | 191 mOhms ±1% 20W Wirewound Chassis Mount Resistor |
DataSheet: | RER70FR191RC02 Datasheet/PDF |
Quantity: | 1000 |
5 +: | $ 17.88660 |
10 +: | $ 15.73060 |
25 +: | $ 14.33880 |
50 +: | $ 13.60380 |
100 +: | $ 13.11370 |
250 +: | $ 12.49630 |
Operating Temperature: | -55°C ~ 250°C |
Failure Rate: | R (0.01%) |
Package / Case: | Axial, Box |
Lead Style: | Solder Lugs |
Height - Seated (Max): | 0.561" (14.25mm) |
Size / Dimension: | 1.062" L x 1.080" W (26.97mm x 27.43mm) |
Mounting Feature: | Flanges |
Coating, Housing Type: | Aluminum |
Features: | Military, Moisture Resistant |
Series: | Military, MIL-PRF-39009, RER70 |
Temperature Coefficient: | ±100ppm/°C |
Composition: | Wirewound |
Power (Watts): | 20W |
Tolerance: | ±1% |
Resistance: | 191 mOhms |
Part Status: | Active |
Packaging: | Bulk |
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Chassis Mount Resistors - RER70FR191RC02 application field and working principle
Chassis Mount Resistors are one of the most widely used components in modern electronic circuits, mainly providing resistance, insulation, buffering and temperature compensation effects in applications. A Chassis Mount Resistor is an adjustable, easy-to-modify, wide-acting component which offers manufacturers an attractive alternative to manufacturing the ideal circuit. RER70FR191RC02, a kind of asphaltic chassis mount resistors, consists of two main elements - resistive element and housing. As a reliable component to adjust circuit parameters, RER70FR191RC02 is widely used in automotive industry, power converters, power transmission, industrial controllers, medical applications and more.
Resistive element
RER70FR191RC02 is controlled by a resistive element which consists of an alloyed or carbonized material such as Manganin or Nickel-Chrome-Manganese. This material is powder-coated with asphaltic material to prevent oxidation and other environmental factors. Additionally, a braided tape is used to increase temperature stability. The resistive element is cased within an insulating high temperature epoxy.
Housing
The housing of RER70FR191RC02 is constructed primarily from either insulating plastic or from an alloy of aluminum or copper. This casing works to enhance the life of the resistor and protect it from changes in temperature. The best choice of housing materials are ones which are highly heat resistant and mechanically robust. An adjustable element connects the resistive element within the housing, which is used to adjust the resistance of the resistor. This element can be adjusted either by turning it or by moving the lead wires inside the resistor with a screwdriver.
Working principle
As long as current passes through a resistor, there will be a certain voltage drop due to its resistance. RER70FR191RC02 works in the same way as normal resistor with a fixed resistance value. It forms a closed circuit to oppose current flow, dropping the voltage accordingly. The voltage drop is determined by the current flow, Ohms Law (V=IR) and the resistor\'s quality factor. By adjusting the adjustable element inside the resistor, a variety of different resistance values can be achieved to provide different amounts of voltage drop. RER70FR191RC02\'s adjustable element can be operated simply and quickly.
Application field
Due to its versatile, easy-to-modify nature, RER70FR191RC02 is used in a variety of different fields including automotive, power converters, power transmission, medical and industrial controllers. This chassis mount resistor can be used as a resistive element for power systems, as an adjustable element for adjusting circuit parameters and as an overload protector to limit current flow through the circuit. They are reliable components in medical applications and can be used in a wide range of applications where temperature or current control is required.
RER70FR191RC02 is a robust, well-made chassis mount resistor which offers users an adjustable and easy-to-use resistor design. This chassis mount resistor is widely used in various industries and fields due to its reliable operation and excellent temperature stability.
The specific data is subject to PDF, and the above content is for reference
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