Keysight Technologies Varistor Production Test Using the B2900A Series of SMUs Technical Overview

PublishTime：2021-04-29

Varistors, which exhibit significant non-linear current vs. voltage (IV) characteristics, are commonly used as spark gaps to protect circuits against excessive voltage. To ensure compliance with manufacturing specifications, single-point pass/fail DC testing must be performed on packaged varistor devices. Because these tests are also used to identify and remove defective devices before shipment, their reliability is important to guarantee product quality. In addition, it is also essential to perform the tests quickly to keep the production throughput high.
The Keysight Technologies, Inc. B2901/02/11/12A Precision Source/Measure Unit meets all of these requirements, making it the best solution for varistor production test. It is a compact and cost-effective bench-top Source/Measure Unit (SMU) with the capability to source and measure both voltage and current. They cover currents from 10 fA to 3 A (DC)/10.5 A (pulse) and voltages from 100 nV to 210 V. The B2900A Series of SMUs has the ability to perform not only DC measurements but also pulsed measurements in order to prevent device self-heating from distorting the measurement results. In addition to these comprehensive measurement capabilities, the B2900A Series of SMUs possesses high throughput that reduces test times. The B2900A Series of SMUs also has many features that make it well-adapted for production test, such as pass/fail binning, a digital I/O interface for handler control, and code compatibility with standard single channel SMU products.
This technical overview shows how to use the B2900A Series of SMUs for production test. A simple varistor test example will be shown for a nominal varistor voltage test (V).

Brand of Product：	Keysight
Part#：	B2900A Series 、 B2901A 、 B2902A 、 B2912A 、 B2911A 、 B2961A 、 B2962A More Part#
Product Category：	More
Application：	More
Data Type：	Supplier and Product Introduction More
Safety & Environment Standards：	More
Operating Temperature：	Please see the document for details
Qualification Grade：	More
Qualification Approval：	More
Package：
Language：	English Chinese Chinese and English Japanese
Date of Creation：	December 1, 2017
Version Number：
Data Encoding：	5990-7114EN
Data Size：	1.6 MB

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