YC324-FK-0728KL

Number of Pins:	8
Height - Seated (Max):	0.028" (0.70mm)
Size / Dimension:	0.200" L x 0.126" W (5.08mm x 3.20mm)
Supplier Device Package:	--
Package / Case:	2012, Convex, Long Side Terminals
Mounting Type:	Surface Mount
Applications:	DDRAM, SDRAM
Operating Temperature:	-55°C ~ 155°C
Temperature Coefficient:	±200ppm/°C
Power Per Element:	125mW
Series:	YC324
Resistor-Ratio-Drift:	--
Resistor Matching Ratio:	--
Number of Resistors:	4
Tolerance:	±1%
Resistance (Ohms):	28k
Circuit Type:	Isolated
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Resistor Networks, Arrays

Resistor networks, arrays, or combination assemblies offer several distinct advantages over individual discrete resistors. This article focuses on one such advantage, the YC324-FK-0728KL.The YC324-FK-0728KL utilizes Thick Film Technology to create a 1⁄4" Chip Formed array of 936 resistors with 0.1 W power dissipation. Configuration of this array can be divided into four major categories: Standard 3-digit Array, Octal configuration Array, Twistor Array, and 2.2⁄Venland Array.The most popular 3-digit array configuration, 0, 0R, R, and RR, is used for precision networks, RF networks, sample-and-hold circuits, data sampling systems, fuel controls, trimming networks, and thermistor networks. The Quad-Octal configuration array supports a range of applications, including transimpedance amplifiers, sample-and-hold circuits, tuned RF digitizers, and pulse-switching amplifiers. The Twistor array is a combination of two 3-digit Arrays, with unconnected resistors. This configuration offers the highest degree of precision for a given application, such as audio mixing equipment, ADC and DAC circuits, and preamplifiers. The 2.2/Venland array is a combination of two networks in an octal pin-and-sleeve configuration; this configuration is used in applications such as audio mixing consoles, logic level switching, and timer matching applications.The YC324-FK-0728KL is constructed using three layers: a Silicon substrate, an Interlayer between the Silicon and a dielectric, and a top layer of Anisotropic Conductive Film (ACF). Variations of this standard configuration can also be specified when necessary. The Silicon Substrate acts as the base for the above layers and acts as the conductive traces for the resistors. The Interlayer is made of a ceramic material, providing a superior electrical and mechanical bond between the layers and a thermal resistance as low as 0.092K/W, making it ideal for high power applications. Variations on this process include the use of nitrogen doping or laser surface removal of oxide.The Anisotropic Conductive Film, the top layer, provides an electrically transparent layer allowing for an interconnect between the resistor layer and the terminals. As it also reduces the overall contact resistance, it is essential for low impedance circuits. This layer is usually made of silver or gold, which give either improved or extended temperature cycles, depending on the application. Other variations on this structure can include the use of copper, aluminum, or titanium, depending on the application or the environmental requirements.The YC324-FK-0728KL has a total power dissipation of 0.1 W and voltage ratings of 50V and 100V. It also has full RoHS compliance, making it ideal for use in any environment. It is also available in a range of temperatures, from -20°C to +200°C.This array is ideal for applications requiring a solution that can tolerate high temperatures and is robust enough to support low impedance or high impedance applications. It is also suitable for precision networks, where tolerance, accuracy and stability are important performance parameters. The low-cost nature of this resistor network assembly, combined with its small form factor and long-term reliability, makes it an attractive option for a range of circuit configurations and applications.

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