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TLV431BFTA Breakout
VREF SHUNT REG ADJ 1.24V 0.5% SOT23
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Design a Custom BoardAbout This Component
Adjustable three-terminal shunt regulator with 1.24V reference voltage and 0.5% initial tolerance. Provides stable reference output from 1.24V to 18V with external resistor dividers, supporting up to 20mA output current. Ideal for precision voltage regulation and zener diode replacement in power supply feedback and control circuits.
Package: SOT-23-3 · 3 pins
Why does this need a breakout?
SOT-23's tiny 0.95mm pin pitch and compact form factor make hand-soldering tedious and prone to bridging errors. A breakout board breaks out the three pins to standard 0.1" spacing for breadboard prototyping, eliminating the need for specialized soldering equipment and enabling fast circuit iteration with transistors, diodes, and small-signal components.
Component specifications
ELECTRICAL CHARACTERISTICS
| Manufacturer | Diodes Incorporated |
| Part Number | TLV431BFTA |
| Package | SOT-23-3 |
| Pin Count | 3 |
| Current - Output | 15 mA |
| Output Type | Adjustable |
| Voltage - Output (Max) | 18 V |
| Voltage - Output (Min/Fixed) | 1.24V |
What's Included
BILL OF MATERIALS
- 1x TLV431BFTA soldered onto breakout PCB
- Pin headers pre-soldered (2.54mm / 0.1" pitch)
- All IC pins broken out to 2.54mm headers
Breakout Board Design
PCB SPECIFICATIONS
WIDTH
< 0.9" (straddles breadboard)
PITCH
2.54mm standard
SOLDER
Lead-free, reflow assembled
FINISH
FR4, lead-free HASL