SFR16S0003903JA500 Allicdata Electronics
Allicdata Part #:

SFR16S0003903JA500-ND

Manufacturer Part#:

SFR16S0003903JA500

Price: $ 0.01
Product Category:

Resistors

Manufacturer: Vishay BC Components
Short Description: RES 390K OHM 1/2W 5% AXIAL
More Detail: 390 kOhms ±5% 0.5W, 1/2W Through Hole Resistor Axi...
DataSheet: SFR16S0003903JA500 datasheetSFR16S0003903JA500 Datasheet/PDF
Quantity: 1000
5000 +: $ 0.00719
Stock 1000Can Ship Immediately
$ 0.01
Specifications
Series: SFR16S
Packaging: Tape & Box (TB) 
Part Status: Active
Resistance: 390 kOhms
Tolerance: ±5%
Power (Watts): 0.5W, 1/2W
Composition: Metal Film
Features: --
Temperature Coefficient: ±250ppm/°C
Operating Temperature: -55°C ~ 155°C
Package / Case: Axial
Supplier Device Package: --
Size / Dimension: 0.075" Dia x 0.138" L (1.90mm x 3.50mm)
Height - Seated (Max): --
Number of Terminations: 2
Failure Rate: --
Description

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Through hole resistors, such as SFR16S0003903JA500, are featured by being able to withstand higher temperature and power as well as provide higher stability and precision compared to chip resistors. To know the application field and working principle of SFR16S0003903JA500, let’s take a look.

Application Field

Mainly used in consumer electronics, the application field of SFR16S0003903JA500 can be divided into the following categories.

  • Circuit Protection – Through hole resistors offer an extended surface area for heat dissipation and thus can be used for circuit protection in consumer electronic devices such as smartphones, tablets, and appliances.
  • Signal Integrity and Power Supply Requirements – As they have high power and high temperature resistance, SFR16S0003903JA500 is also suitable for high-load applications that require large currents, such as TV sets, broadband receivers, as well as in the power supply of FPGA, processors and clock circuits.
  • Monostable and Bistable Circuits – Due to their high precision and stability, through hole resistors are also suitable for monostable and bistable circuits.

Working Principle

The working principle of SFR16S0003903JA500 (and through hole resistors in general) can be summed up in three simple steps:

  1. Voltage flows through the resistor, meets its resistance and is converted to heat.
  2. The heat is dissipated by the resistor and its surrounding environment.
  3. When the temperature of the resistor is steady, the voltage and current remain at a stable value.

During the entire process, the voltage and current remain at constant, allowing for high precision and stability. Moreover, a good design will be able to provide a certain amount of heat dissipation to the surrounding environment, such as air, in order to spread the heat and extend the useful life of the device.

Conclusion

Through hole resistors such as SFR16S0003903JA500 have a wide range of applications due to their ability to manage higher temperature and power, as well as higher stability and precision compared to chip resistors. Its working principle is fairly simple, whereby the voltage and current are remain at constant in order to ensure stability and precision. However, in order for the device to function well, it is also necessary to consider the heat dissipation of the environment.

The specific data is subject to PDF, and the above content is for reference

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