| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
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1,050 pcs
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1050 pcs | On Request | 1 | On Request | On Request | 09+ | On Request | On Request |
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The RAK TL431-B is a three-terminal adjustable shunt regulator designed for applications requiring precise voltage reference and regulation. It allows the output voltage to be set anywhere between 2.5 V and 36 V using two external resistors.
Key electrical specifications include a typical output impedance of 0.2 Ω and a sink current capability ranging from 1 mA to 100 mA. The device is characterized for operation over a wide temperature range of -40°C to 125°C, ensuring thermal stability.
This programmable shunt regulator is an excellent replacement for Zener diodes in applications such as onboard regulation, adjustable power supplies, and switching power supplies. Its active output circuitry provides a sharp turn-on characteristic.
While specific package details are not provided, surface mount is inferred. The TL431-B is available in different grades, with the 'B' grade offering a reference voltage tolerance of 0.5% at 25°C.
The typical reference voltage is 2.5V at 25°C.
The adjustable output voltage range is from 2.5V to 36V.
The sink current capability is from 1mA to 100mA.
The operating temperature range is -40°C to 125°C.
The typical output impedance is 0.2Ω.
The maximum reference voltage tolerance is 0.5% at 25°C for B grade.