770103470

Number of Pins:	10
Height - Seated (Max):	0.195" (4.95mm)
Size / Dimension:	1.000" L x 0.098" W (25.40mm x 2.50mm)
Supplier Device Package:	10-SIP
Package / Case:	10-SIP
Mounting Type:	Through Hole
Applications:	--
Operating Temperature:	-55°C ~ 125°C
Temperature Coefficient:	±100ppm/°C
Power Per Element:	100mW
Series:	770
Resistor-Ratio-Drift:	--
Resistor Matching Ratio:	--
Number of Resistors:	5
Tolerance:	±2%
Resistance (Ohms):	47
Circuit Type:	Isolated
Part Status:	Obsolete
Packaging:	Bulk

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Resistor Networks, Arrays

Resistor networks are electrical components used to control the flow of electrical current from the external environment to the device. These resistors are connected to each other in an array or multiple networks for better control and accuracy of the currents. This article will explain the application field and working principles of 770103470 resistor network. 770103470 is a resistor network manufactured by Fujitsu Components America, Inc and can operate in temperatures between −55°C and +125°C. It constitutes a two-pole, 12-position resistor network with a wide range of resistance values and temperature coefficients. With such a useful feature, this resistor network is widely used in many high-frequency applications, such as wireless communication devices, timing control systems, RF (Radio Frequency) circuits, medical electronic equipment, and radar systems. The 770103470 consists of two independent, adjustable voltage divider networks with a total of twelve pins connected in parallel with one end of each resistor connected to the adjacent resistor. There are eight identical terminals in each divider, providing higher accuracy and better temperature stability due to lower thermal gradients. The connections between these resistors are designed as low inductance networks to limit voltage droop when large transient currents occur. The 770103470 resistor network relies on a highly reliable, metal-film resistor technology, which increases the life of the device. This is done by using metal-film resistors with temperature coefficients that are less than ±25ppm/°C, thus allowing the resistor to be virtually unaffected by temperature changes in the residual resistance. The resistors are provided with an added protection feature that reduces the influence of voltage fluctuations or electrostatic discharge, which adds to their reliability when used in harsh conditions. As for the working principle of the 770103470 resistor network, the resistance of every pin is significantly larger than the resistance of a single resistor. Thus, when a single resistor is selected, the chosen resistor is connected to the external environment to control the current flow. The other pins beside the chosen resistor remain unconnected and thus, act as a virtual open circuit that provides higher resistance to the current flow. In this way, the resistor network can be used to regulate the amount of current that flows through the entire circuit and are thus used to regulate voltage as well as current. The 770103470 resistor network is a versatile and reliable tool to control the flow of current and voltage in the external environment. The highly stable metal-film resistors used in its construction and the protective features available with it make the resistor network highly durable. With its wide temperature range and precise resistance values, it is often used in precision electrical applications such as timing circuits and wireless communication devices.

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