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Product Detailed Parameters
- Description：IC VREF SHUNT ADJ TO92
- Series：-
- Mfr：Diodes Incorporated
- Package：Cut Tape (CT),Cut Tape (CT),Tape & Box (TB)
- Output Type：Adjustable
- Voltage - Output (Min/Fixed)：2.5V
- Voltage - Output (Max)：36 V
- Current - Output：100 mA
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Through Hole
- Package / Case：TO-226-3, TO-92-3 (TO-226AA) Formed Leads
- Supplier Device Package：TO-92
- Grade：-
- Qualification：-
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Overview
The AS431BZTR-G1 is an adjustable precision shunt regulator manufactured by Diodes Incorporated. It provides a programmable output voltage ranging from 2.5V to 36V with a guaranteed initial accuracy of 1%. The device operates within a temperature range of -40°C to +125°C and features a typical low temperature coefficient of 20PPM/°C. It supports a cathode current range from 1mA to 100mA and utilizes a TO-92 package in Ammo packing configuration.
Feature Summary
- Programmable precise output voltage from 2.5V to 36V
- High stability under capacitive load conditions
- Low temperature deviation and equivalent full-range temperature coefficient
- Sink current capacity from 1mA to 100mA
Applications
- Charger
- Voltage Adapter
- Switching Power Supply
- Graphic Card
- Precision Voltage Reference
Procurement Notes
Verify the specific ordering suffix 'G1' confirms RoHS compliance and Green molding compound status as defined by Diodes Incorporated. Confirm that the 'TR' designation indicates Tape & Reel or Ammo packing for the TO-92 package variant. Ensure the 'B' suffix corresponds to the required 1.0% voltage tolerance specification before procurement.
Selection Notes
Select this component when a 1.0% tolerance adjustable shunt regulator is required. The TO-92 package is suitable for through-hole mounting applications. Verify that the operating cathode voltage does not exceed 36V and that the sink current requirements fall within the 1mA to 100mA operational range for optimal regulation performance.
Part Context
This part belongs to the AS431 series of adjustable precision shunt regulators. It serves as a direct replacement for Zener diodes in various power management circuits. The series offers multiple package options including SOT23, SOT25, SOT89, and TO-92, catering to diverse PCB layout and thermal management requirements across consumer and industrial electronics.
Replacement Considerations
AS431AZTR-G1 (0.5% tolerance)
FAQ
What is the minimum cathode current required for regulation?
The minimum cathode current for regulation is specified as 1.0 mA.
Is the AS431BZTR-G1 lead-free?
Yes, the G1 suffix indicates the device is totally lead-free and fully RoHS compliant.
