Product Overview
National Semiconductor LM431ACZ Programmable Shunt Voltage Reference – Unused, New Old Stock
The National Semiconductor LM431ACZ is a precision programmable shunt regulator that provides a stable voltage reference with low dynamic impedance. It is adjustable up to 36 V, making it a versatile solution for regulation, control, and precision reference applications.
Widely used in power supply and instrumentation design, the LM431 family is trusted for accuracy and reliability. This unused, new old stock device is preserved in original packaging and ready for its next application.
Product Condition
Unused, new old stock. Factory-sealed and in excellent preserved condition.
Product Overview
National Semiconductor has a long-standing reputation for analog and power management ICs. The LM431ACZ combines programmability with low dynamic impedance of 0.2 ohms, supporting a wide sink current range from 1.0 mA to 100 mA. Its stable performance makes it ideal for precision voltage control and reference circuits.
Key Features
- Brand: National Semiconductor
- Model: LM431ACZ
- Type: Programmable shunt voltage reference regulator
- Adjustable output voltage up to 36 V
- Low dynamic impedance: 0.2 ohms
- Sink current range: 1.0 to 100 mA
- Provides stable, accurate voltage reference
- Compact IC design for easy circuit integration
Applications
- Switching and linear power supplies
- Reference voltage generation
- Precision regulation circuits
- Measurement and instrumentation systems
- Industrial control circuits
- Repair and replacement for legacy boards
- Educational electronics and prototyping
Frequently Asked Questions
What is the maximum output voltage of this regulator?
The LM431ACZ supports adjustable output voltages up to 36 V.
What is its dynamic impedance?
It has a low dynamic impedance of 0.2 ohms for stable operation.
What sink current range does it support?
The regulator supports sink currents from 1.0 mA to 100 mA.
What condition is this part in?
It is unused, preserved as new old stock, and kept in original packaging.
Where is the LM431ACZ commonly used?
It is widely used in power supplies, control systems, and precision measurement circuits.
This listing is for one National Semiconductor LM431ACZ programmable shunt voltage reference regulator, unused and new old stock, as described above.
