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LM4040B25FTA Breakout
IC VREF SHUNT 2.5V 0.2% SOT23-3
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Precision micropower shunt voltage reference producing 2.5V output with ±0.2% initial accuracy. Operates across 60µA to 15mA with low 20ppm/°C temperature coefficient and 45µVRMS output noise. Ideal for battery-powered equipment, portable instruments, and data acquisition systems requiring stable voltage references in compact packages.
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 | LM4040B25FTA |
| Package | SOT-23-3 |
| Pin Count | 3 |
| Current - Output | 15 mA |
| Output Type | Fixed |
| Voltage - Output (Min/Fixed) | 2.5V |
What's Included
BILL OF MATERIALS
- 1x LM4040B25FTA 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