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TMP421AIDCNR Breakout
TEMP SENSOR DIGITAL -40C-125C SOT23-8
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£4.07
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Design a Custom BoardAbout This Component
Dual-channel digital temperature sensor with I2C interface, measuring local and remote junction temperatures from -40°C to +125°C. Provides 12-bit resolution (0.0625°C) with programmable alert thresholds and hysteresis. Commonly used in thermal monitoring for processors, power supplies, and system-level temperature management applications.
Package: SOT-23-8 · 8 pins
Why does this need a breakout?
The 0.95mm pin pitch and compact footprint make hand-soldering extremely difficult and breadboard incompatible. A breakout board brings all eight pins to standard headers, enabling reliable prototyping of precision analog ICs like DACs, op-amps, and current-sense amplifiers without specialized soldering equipment.
Component specifications
ELECTRICAL CHARACTERISTICS
| Manufacturer | Texas Instruments |
| Part Number | TMP421AIDCNR |
| Package | SOT-23-8 |
| Pin Count | 8 |
| Output Type | SMBus |
| Sensor Type | Digital, Local/Remote |
| Voltage - Supply | 2.7V ~ 5.5V |
What's Included
BILL OF MATERIALS
- 1x TMP421AIDCNR 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