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Product Detailed Parameters
- Description：IC VREF SHUNT ADJ 1% TO92
- Series：-
- Mfr：Diodes Incorporated
- Package：Tape & Box (TB)
- Output Type：Adjustable
- Voltage - Output (Min/Fixed)：1.25V
- Voltage - Output (Max)：18 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 AZ432BZ-E1 is a three-terminal shunt adjustable voltage reference from Diodes Incorporated, housed in a TO-92 package. It functions as a precision low-voltage regulator with guaranteed thermal stability across its operating range. The device allows output voltage programming between 1.25V and 18V using two external resistors. Key electrical characteristics include an initial accuracy of 1%, a typical temperature coefficient of 20ppm/°C, and a maximum cathode current of 100mA. It operates within a temperature range of -40°C to +125°C.
Feature Summary
- Provides precise programmable output voltage via external resistor divider
- Ensures high stability under capacitive load conditions
- Features low dynamic output resistance for improved regulation
- Offers wide operating temperature range for industrial applications
Applications
- Graphic cards
- Computer motherboards
- Voltage adapters
- Switching power supplies
- Chargers
Procurement Notes
Verify the specific suffix 'E1' indicates RoHS compliance and halogen-free status according to manufacturer standards. Confirm the TO-92 through-hole package variant matches the design requirements. Check for any product change notifications or end-of-life notices associated with this specific part number before finalizing procurement plans.
Selection Notes
Select this component when a low-cost, through-hole adjustable shunt regulator is required. The 1% tolerance suits general-purpose reference applications where tighter precision is not critical. Ensure the circuit design accommodates the 100mA maximum cathode current limit and the 18V maximum input voltage constraint.
Part Context
This part belongs to the AZ432 series of three-terminal adjustable shunt regulators. It serves as a direct replacement for standard Zener diodes in many circuits, offering superior performance in terms of temperature coefficient and dynamic impedance. The series includes various packages such as SOT-23 and SOT-89, with the BZ suffix denoting the TO-92 form factor.
Replacement Considerations
Compatible substitutes include the AZ432ANTR-E1 (SOT-23) and AZ432BNTR-E1 (SOT-23) for surface-mount designs. For through-hole replacements, verify pinout compatibility with other TO-92 shunt references. Cross-reference datasheets to ensure equivalent current handling and voltage ranges.
