| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
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95,100 pcs
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95100 pcs | On Request | 1 | On Request | On Request | 16+ | On Request | On Request | |
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500 pcs
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500 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request | |
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500 pcs
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500 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request | |
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163 pcs
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163 pcs | On Request | 1 | On Request | On Request | 15+ | On Request | On Request | |
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16 pcs
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16 pcs | On Request | 1 | On Request | On Request | NO DC | On Request | On Request |
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The Texas Instruments LM431ACM3X/NOPB is a 3-terminal adjustable shunt regulator designed for temperature-stable operation. Its output voltage can be programmed to any level between 2.5V and 36V by selecting two external resistors.
Key electrical specifications include an initial accuracy of up to 0.5%, a minimum regulation current of 400 µA, and a maximum output current of 100 mA. The device features a reference voltage of 2.5V and a maximum temperature coefficient of 97 ppm/°C, with an average temperature coefficient of 50 ppm/°C.
This shunt regulator is suitable for a wide operating temperature range of -40°C to 85°C. It is available in space-saving packages including TO-92, SOIC, and SOT-23, making it an excellent replacement for Zener diodes in various applications.
The LM431 is known for its sharp turn-on characteristics, low output noise, and low dynamic output impedance, contributing to its reliability in power management circuits.
| Qty | Low | High |
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| 1+ | $0.18 | $0.18 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The output voltage is adjustable from 2.5 V to 36 V.
The device is offered in a SOT-23 package.
It operates from -40°C to 85°C.
The initial accuracy is 0.5% maximum.
The device can sink up to 100 mA.
The typical average temperature coefficient is 50 ppm/°C, with a maximum of 97 ppm/°C.
A minimum cathode current of 400 µA is required for proper regulation.