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Product Detailed Parameters
- Description：IC VREF SHUNT ADJ 0.5% TO92-3
- Series：-
- Mfr：onsemi
- Package：Tape & Box (TB)
- Output Type：Adjustable
- Voltage - Output (Min/Fixed)：2.495V
- Voltage - Output (Max)：36 V
- Current - Output：100 mA
- Operating Temperature：-25°C ~ 85°C (TA)
- Mounting Type：Through Hole
- Package / Case：TO-226-3, TO-92-3 (TO-226AA) Formed Leads
- Supplier Device Package：TO-92-3
- Grade：-
- Qualification：-
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Overview
The KA431LZTA_F065 is a programmable shunt regulator manufactured by onsemi. It functions as a three-terminal adjustable voltage reference with guaranteed thermal stability across the operating temperature range. The output voltage is programmable between approximately 2.5V and 36V using two external resistors. Key electrical characteristics include a typical dynamic output impedance of 0.2 ohms and an active output circuit that provides sharp turn-on characteristics, making it suitable for replacing Zener diodes in precision applications.
Feature Summary
- Programmable output voltage set via external resistors
- Guaranteed thermal stability over operating temperature range
- Active output circuitry for sharp turn-on characteristics
Applications
- Current limit circuits
- Current source regulators
- Precision voltage references
Procurement Notes
Verify the specific suffix F065 against official documentation to confirm packaging details. Confirm current availability status as some KA431 variants may be subject to production changes or end-of-life notices. Ensure the selected component meets the required thermal stability specifications for the target application environment.
Selection Notes
Select this component when a precise, adjustable shunt regulator is needed to replace standard Zener diodes. Consider the low dynamic output impedance for improved regulation performance. Verify that the required output voltage range falls within the 2.5V to 36V limits defined by the internal reference voltage.
Part Context
This device belongs to the KA431 family of programmable shunt regulators. It shares functional similarities with other industry-standard adjustable references but offers specific thermal stability guarantees from onsemi. The TO-92 package variant is commonly used in through-hole applications requiring compact voltage regulation solutions.
Replacement Considerations
The TL431AILPG is listed as a potential replacement for the KA431AZTA series. Verify pinout compatibility and electrical parameter alignment before substituting.
