Product Overview
Fairchild 431AZ Programmable Shunt Voltage Reference – Unused, New Old Stock
The Fairchild 431AZ is a precision programmable shunt regulator designed for adjustable voltage reference applications. It supports output voltages up to 36 V and offers low dynamic impedance for stable regulation in power and control circuits.
As part of a widely adopted regulator family, the 431AZ delivers reliable performance in industrial, instrumentation, and power supply designs. This unit is unused, new old stock, and preserved in original packaging for continued use in design or replacement.
Product Condition
Unused, new old stock. Kept in original packaging and in excellent preserved condition.
Product Overview
Fairchild is recognized for producing reliable analog and power management devices. The 431AZ programmable shunt regulator provides an adjustable output up to 36 V with a typical dynamic impedance of just 0.20 ohms. With a sink current capability of 1.0 to 100 mA and a full-range temperature coefficient of 50 ppm/°C typical, it ensures accuracy and stability across varying operating conditions.
Key Features
- Brand: Fairchild
- Model: 431AZ
- Type: Programmable shunt voltage reference IC
- Output voltage adjustable up to 36 V
- Low dynamic impedance: 0.20 ohms typical
- Sink current capability: 1.0 to 100 mA
- Temperature coefficient: 50 ppm/°C typical
- Compact IC design for precision reference applications
Applications
- Switching and linear power supplies
- Precision voltage regulation circuits
- Reference voltage generation
- Measurement and instrumentation systems
- Industrial control electronics
- Repair and replacement for legacy designs
- Prototyping and educational circuits
Frequently Asked Questions
What is the maximum output voltage of the 431AZ?
It supports adjustable output voltages up to 36 V.
What is the typical dynamic impedance?
The device has a low typical dynamic impedance of 0.20 ohms, ensuring stable performance.
What is its sink current capability?
It supports a sink current range from 1.0 mA to 100 mA.
How stable is it across temperature ranges?
The regulator features a full-range temperature coefficient of 50 ppm/°C typical, maintaining accuracy under varying conditions.
What condition is this component in?
It is unused, preserved as new old stock, and kept in original packaging.
This listing is for one Fairchild 431AZ programmable shunt voltage reference regulator IC, unused and new old stock, as described above.
