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The TS3431AIZ is a programmable shunt voltage reference manufactured by STMicroelectronics, housed in a TO-92 plastic package. It provides an adjustable output voltage ranging from 1.24 V to 24 V using an external resistor bridge. The device features a reference input voltage of 1.252 V maximum at 25°C with ±1% precision. It operates within a temperature range of -40°C to +125°C and supports a cathode operating current between 0.5 mA and 100 mA.
Verify the specific suffix 'Z' indicates the TO-92 bulk packaging configuration when sourcing components. Confirm that the ordering code matches the required package type and tolerance level for your design requirements. Ensure compatibility with existing board layouts designed for through-hole mounting.
Select this component for designs requiring space-saving through-hole solutions with precise voltage referencing capabilities. Consider the thermal dissipation limits and operating current ranges to ensure stable performance under varying load conditions. Verify that the external resistor network meets the required voltage setting specifications.
The TS3431 series includes multiple precision variants such as TS3431 (±2%), TS3431B (±0.5%), and TS3431C (±0.25%). The TS3431AIZ specifically denotes the ±1% tolerance version in a TO-92 package. This part is compatible with industry standard TL431 performance metrics.
TS3431AILT
The absolute maximum rating for the cathode to anode voltage is 25 V.
The output voltage can be set to any value between 1.24 V and 24 V using an external resistor bridge connected to the reference pin.