WW1FT237R

Series:	WW
Packaging:	Tape & Reel (TR)
Part Status:	Active
Resistance:	237 Ohms
Tolerance:	±1%
Power (Watts):	1W
Composition:	Wirewound
Features:	Moisture Resistant
Temperature Coefficient:	±20ppm/°C
Operating Temperature:	-55°C ~ 350°C
Package / Case:	Axial
Supplier Device Package:	Axial
Size / Dimension:	0.110" Dia x 0.375" L (2.79mm x 9.53mm)
Height - Seated (Max):	--
Number of Terminations:	2
Failure Rate:	--

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Through Hole Resistors WW1FT237R Application Field and Working Principle

Through hole resistors are an important component in many electronic circuits which are used in all sorts of applications; from radio receivers and medical equipment to aerospace and automotive applications. A through hole resistor is a passive electric component, that consists of a set of metal--oxide cores, plus a resistor of some type, which is usually set on resin or potting compound. Its resistance value is typically measured in ohms and can range from just a few tens of ohms to up to a few meg-ohm. The WW1FT237R is a through hole resistor, which is used for applications in telecommunications, audio/visual, medical, automotive and aerospace. It has a maximum power rating of 0.75W and has a resistance value of 237 ohms.The most common type of through-hole resistor is the carbon composition resistor, which consists of a resistive mixture of carbon-graphite and other compounds, encapsulated in a cylindrical form. Possibly the most recognisable through-hole resistor, the carbon composition offers a greater power rating and a good frequency response.The WW1FT237R is a carbon-composition resistor and has a temperature coefficient of maximum ±200PPM/°C. It is a non-inductive type and is rated at an operating temperature range of -40°C to +125°C. This temperature rating is important for many military and harsh environment applications. The working principle of the WW1FT237R through-hole resistor is based on the resistance value of the material used to construct it. As current passes through the resistor, a voltage drop takes place proportionate to the resistance of the material, allowing for a specific amount of current to flow. Additionally, the resistor also acts as a protection device, in that it prevents too much current from being drawn from a circuit by providing a safe amount of electrical resistance. The WW1FT237R series is a military-grade, Radiation Hardened, general purpose resistor ideal for high-reliability applications. It offers greater stability and reliability than conventional through-hole resistors due to its higher resistance values and excellent temperature coefficient. It is also qualified to MIL-PRF-19500/338 and MIL-PRF-19500/386 for withstanding radiation exposure up to 117x103rad(Si). It is a small size, hermetically sealed resistor, which is designed with gold-plated terminations and hydride-resistant electrodes. The WW1FT237R has a wider resistance tolerance (±1%) and an excellent voltage coefficient which make it ideal for applications such as power supplies, satellites, and aerospace devices. Additionally, its hermetic sealing prevents the entry of water and other corrosive elements that could affect its performance.In conclusion, the WW1FT237R through-hole resistor is a reliable and durable component that can be used in a wide range of applications. Its high resistance value, excellent temperature tolerance, radiation hardness and hermetic sealing make it an ideal choice for many high-reliability and harsh-environment applications.

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