| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
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258,286 pcs
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258286 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request | |
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40,345 pcs
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40345 pcs | On Request | 1 | On Request | On Request | 24+ | On Request | On Request | |
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35,000 pcs
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35000 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request | |
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33,192 pcs
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33192 pcs | On Request | 1 | On Request | On Request | 1723 | On Request | On Request | |
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968 pcs
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968 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request | |
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280 pcs
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280 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request | |
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175 pcs
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175 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request |
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| Tape & Reel |
The TL431BQDBZR from Texas Instruments is a three-terminal adjustable shunt regulator designed for stable operation over automotive, commercial, and military temperature ranges. Its output voltage can be precisely set between Vref (approximately 2.5V) and 36V using two external resistors. This device features a typical output impedance of 0.2Ω and a sink current capability ranging from 1mA to 100mA.
With a reference voltage tolerance of 0.5% at 25°C (B grade), the TL431BQDBZR ensures accuracy in voltage regulation applications. It operates from -40°C to 125°C, making it suitable for demanding environments. The device is housed in a compact SOT-23 package, ideal for space-constrained designs.
This shunt regulator is an excellent replacement for Zener diodes in various applications, including on-board regulation and adjustable power supplies. Its active output circuitry provides a sharp turn-on characteristic, enhancing its performance and reliability.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.12 | $0.12 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The output voltage can be set to any value between Vref (approximately 2.5V) and 36V.
The reference voltage tolerance at 25°C is 0.5% for the B grade.
The device operates from -40°C to 125°C.
The typical output impedance is 0.2Ω.
The sink current capability ranges from 1mA to 100mA.
The TL431BQDBZR is supplied in a SOT-23 package.