STTS751-0WB3E STMicroelectronics Integrated Circuit (SOT23 (6-Pin)) In Stock
STMicroelectronics STTS751-0WB3E is a low-voltage local digital temperature sensor operating from 2.25 V to 3.6 V with up to 12-bit resolution and SMBus/I2C interface in a compact 6-pin SOT-23 package. It measures temperatures from -40 °C to +125 °C with ±1 °C accuracy and configurable alert thresholds. Available in global stock with worldwide shipping for embedded thermal monitoring applications.
- Manufacturer
- STMicroelectronics
- Package
- SOT23 (6-Pin)
- Pin Count
- 6
- Lifecycle
- ACTIVE UNCONFIRMED
- Datasheet
- STTS751-0WB3E Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 12-bit temperature resolution with ±1 °C accuracy over the -40 °C to +125 °C range for precise thermal monitoring
- 2.25 V to 3.6 V supply voltage operation suits 2.5 V and 3.3 V embedded and battery-powered systems
- SMBus/I2C-compatible serial interface with programmable alert thresholds for autonomous over-temperature protection
- Compact 6-pin SOT-23 package minimizes PCB footprint for space-constrained designs and wearable electronics
- Configurable conversion rate from 0.0625 conversions/s to 32 conversions/s balances measurement speed and power consumption
Applications
STTS751-0WB3E is ideal for thermal management in compact embedded systems, including microcontroller boards, SoC modules, and portable consumer electronics where on-chip temperature sensing must not exceed a 6-pin SOT-23 footprint. Its programmable alert output and SMBus interface allow autonomous fan-speed control or system shutdown in servers, networking switches, and industrial IoT nodes without continuous processor polling. The 2.25 V minimum supply voltage also makes it a practical choice for single-cell lithium-ion battery-powered wearables and handheld instruments that require real-time temperature logging.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| HTS Code | 8542.39.00.01 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for STTS751-0WB3E:
Serial Switch/Digital Sensor, 10 Bit(s), 2.5Cel, Square, 6 Pin, Surface Mount
Serial Switch/Digital Sensor, 10 Bit(s), 2.5Cel, Square, 6 Pin, Surface Mount
Frequently Asked Questions
What temperature measurement range and accuracy does the STTS751-0WB3E provide for embedded thermal management?
The STTS751-0WB3E measures temperatures from -40 °C to +125 °C with up to 12-bit resolution and ±1 °C typical accuracy, which is sufficient for protecting processor cores, power regulators, and battery cells from thermal runaway in embedded and portable electronic designs.
What supply voltage range does the STTS751-0WB3E require, and does it suit 2.5 V and 3.3 V systems?
The STTS751-0WB3E operates from 2.25 V to 3.6 V, making it directly compatible with 2.5 V and 3.3 V embedded system rails without any level-shifting or regulator; quiescent current is typically below 50 µA during active conversion, enabling low-power thermal monitoring in battery-powered IoT sensors.
How does the programmable alert threshold on the STTS751-0WB3E enable autonomous over-temperature protection without software intervention?
The STTS751-0WB3E has user-programmable THIGH and TLOW registers accessible via SMBus/I2C; when the measured temperature crosses a threshold—for example 85 °C—the ALERT pin asserts low to trigger an interrupt or shutdown relay without requiring the host MCU to poll the sensor at every conversion cycle, reducing CPU load to near zero during normal operation.
How does the 6-pin SOT-23 package of the STTS751-0WB3E compare to larger temperature sensor packages for space-constrained designs?
The 6-pin SOT-23 package measures approximately 2.9×2.8 mm including leads, which is 60% smaller than an 8-pin SOIC footprint; this makes the STTS751-0WB3E well suited for wearables, handheld instruments, and compact SoC modules where a full SOIC-8 digital temperature sensor would consume too much board area alongside other components.
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About STMicroelectronics
STMicroelectronics is a global semiconductor leader serving customers across the spectrum of electronics applications. ST's products are found in a wide range of applications including automotive, industrial, personal electronics, and communications.
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“Their engineering team helped us find a pin-compatible alternative when our original MCU went EOL.”