#resistor network

A few days ago, Vishay Intertechnology, Inc. was announced, put out the ultra and high-accuracy surface mounted resistor network of Bulk Metal Z foil of three fund --- VFB1012D voltage divider of resistance 2, VFB1515N of resistance 3 and VFB2028N of resistance 4, BGA (ball grid array) at present The encapsulated products hit the index of stability with the best. The device, at 0 - +60 ℃, - in 55 ℃- +125 Centigrade subject brightness ranges, absolute TCR under the reference temperature of +25 ℃ is ± 0.05ppm / ℃ and ± 0.2ppm / ℃ respectively, PCR tracing (heat Δ R caused by oneself) under the power rating It is ± 5ppm, the index of stability of load life-span that worked after 2000 hours at +70 ℃ is ± 0.01 (100ppm) .

VFB1012D voltage divider that the resistor network released today includes resistance 2, VFB1515N of resistance 3 and VFB2028N of resistance 4. Because of adopting Bulk Metal Z foil technology of Vishay, these devices, to environmental temperature variation (TCR) And exert power change (PCR) Sensitivity wanting to last all resistances other in market at present, can be used in the application which needs extra-high precision and index of stability.

These BGA encapsulated devices are for the strict tolerance of ± 0.01% to match, TCR tracing among a plurality of resistance is 0.1 ppm / ℃, the resistance is with losing out constantly on a slice of foil material in a public substrate. To artificer, such intact structural electric specification can improve the characteristic, it is good that the service efficiency score of the space sets up the resistance and resistance in pairs.

Because does not need to Clip Terminal, BGA of the resistor network capsulates and nearly dispels the passway noise between PCB board and resistor body, this noise is a major cause for causing systematic performance reduction. It takes several seconds and even several minutes to adopt other technical resistance can reach the steady thermal stability, VFB1012D, VFB1515N and VFB2028N can reach the thermal stability within less than 1 second, the duration of ascent of 1ns is as short as not nearly examining out, and there is no ringing effect.

The resistance-value range of the device is 100Ω - 30kΩ, and have a large number of resistance-value proportions at your choice. Alike all Vishay foil resistance, VFB1012D, VFB1515N and VFB2028N are not only limited to offering the standard number value, it can offer " required "ly Resistance-value (such as 1.049kΩ or 7.56kΩ) ,And will not increase the extra cost or stock time.

The resistor network can be used in bridge network, difference amplifier, and the proportional arm used for bridge circuit in the overstable and high-reliability products, if medical treatment, tests and the military apparatus.

In VFB1012D, VFB1515N and VFB2028N, the power rating at +70 ℃ of each resistance is 0.1W, the maximum operating voltage of each resistor body is 32V, the undervoltage coefficient is smaller than 0.1PPM/V, the current noise is smaller than - 40 dB, over load is less than or equal to 0.01% in short-term (100ppm) . Device adopt have no sense '