| Allicdata Part #: | RWR78S2742FRB12-ND |
| Manufacturer Part#: |
RWR78S2742FRB12 |
| Price: | $ 2.25 |
| Product Category: | Resistors |
| Manufacturer: | Vishay Dale |
| Short Description: | RES 27.4K OHM 10W 1% WW AXIAL |
| More Detail: | 27.4 kOhms ±1% 10W Through Hole Resistor Axial Mil... |
| DataSheet: |  RWR78S2742FRB12 Datasheet/PDF |
| Quantity: | 1000 |
| 100 +: | $ 2.04480 |
| 300 +: | $ 1.85310 |
| 500 +: | $ 1.72530 |
| 1000 +: | $ 1.59750 |
Specifications
| Series: | Military, MIL-PRF-39007, RWR78S |
| Packaging: | Bulk |
| Part Status: | Active |
| Resistance: | 27.4 kOhms |
| Tolerance: | ±1% |
| Power (Watts): | 10W |
| Composition: | Wirewound |
| Features: | Military, Moisture Resistant |
| Temperature Coefficient: | ±20ppm/°C |
| Operating Temperature: | -55°C ~ 250°C |
| Package / Case: | Axial |
| Supplier Device Package: | Axial |
| Size / Dimension: | 0.375" Dia x 1.780" L (9.53mm x 45.21mm) |
| Height - Seated (Max): | -- |
| Number of Terminations: | 2 |
| Failure Rate: | R (0.01%) |
Description
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Through Hole ResistorsThe RWR78S2742FRB12 resistor is a type of through-hole resistors common in many electrical circuits. It is typically used to control the current flow through electronic elements, like transistors, diodes, and integrated circuits. The RWR78S2742FRB12 resistor is a mass-produced product, available in large quantities on the market, and is usually found in consumer electronics.
Application Field
RWR78S2742FRB12 resistors are often used in these applications:- Power Supply Suppression – The resistor voltage and resistance is used to control and reduce the peak-to-peak voltage in the power supply.
- Current Limiting – This type of resistor is also used to limit the current that flows through the circuit, to avoid damages to sensitive electronic components.
- Proper Pin Assignment – The RWR78S2742FRB12 can be used to correctly assign the pins of electronic components, so that the desired operation of the circuit is achieved.
- Frequency Control – Resistance plays an important role in the control of the frequency of a circuit.
- Noise Suppression – Its resistance to ac signals can be used to reduce the noise generated in the operation of circuits.
Working Principle
Through-hole resistors work on the principle of ohmic resistors. The resistance is determined by the material used. The RWR78S2742FRB12 resistor is made of high-purity resistive material, and has a resistance of 2725 ohms. This type of resistor is typically found encased in ceramic or plastic casings.When an ac or dc voltage source is applied across the two leads of the resistor, the electrons will flow through the resistor\'s body according to Ohm\'s Law. The voltage is then divided across its two leads according to the equation V=R x I, where R is the resistance of the resistor, and I is the current flowing through it.Also, for the RWR78S2742FRB12 resistor, a positive temperature coefficient can be observed. As the temperature increases, its resistance increases. This can be explained by the fact that as the temperature rises, the resistive material expands and takes up more room in the resistor, which results in a higher resistance.Conclusion
The RWR78S2742FRB12 resistor is a type of through-hole resistor, used to control current flow in various electronic circuits. It is commonly used in power supply suppression, current limiting, proper pin assignment, frequency control, and noise suppression. It works on the principle of ohmic resistance, where the resistance is given by the particular resistive material used. Its resistance, and therefore its performance, can be further affected by temperature.The specific data is subject to PDF, and the above content is for reference
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