HTU21D TE Connectivity Hygrometer (Small Outline No-lead) In Stock
TE Connectivity HTU21D is a digital humidity and temperature sensor in a compact DFN-6 package. It offers 14-bit resolution with a 2-wire I2C interface, operating at up to 0.5 mA. Available from stock with worldwide shipping.
- Manufacturer
- TE Connectivity
- Package
- Small Outline No-lead
- Pin Count
- 7
- Lifecycle
- TRANSFERRED
- Datasheet
- HTU21D Datasheet PDF
- Category
- Hygrometer
- Price
- From $0.9840(MOQ 25)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of HTU21D?
- 14-bit resolution for precise humidity and temperature measurement
- 2-wire I2C interface for easy integration with microcontrollers
- Ultra-compact DFN-6 package measuring 3 mm x 3 mm x 0.9 mm for space-constrained designs
- Low operating current of 0.5 mA for power-sensitive applications
What is HTU21D used for?
The HTU21D is ideal for HVAC systems, weather stations, and portable consumer electronics where accurate ambient humidity and temperature sensing is required. Its compact DFN-6 footprint and I2C interface make it suitable for IoT sensor nodes and wearable devices. Industrial data loggers and smart home automation systems also benefit from its 14-bit resolution and low power consumption.
What are the specifications of HTU21D?
| Factory Lead Time | 12Weeks |
| YTEOL | 8.4 |
| Body Breadth | 3mm |
| Body Height | 0.9mm |
| Body Length or Diameter | 3mm |
| JESD-609 Code | e4 |
| Mounting Feature | SURFACE MOUNT |
| Number of Bits | 14 |
| Operating Current-Max | 0.5mA |
| Output Interface Type | 2-WIRE INTERFACE |
| Package Shape/Style | SQUARE |
| Sensors/Transducers Type | TEMPERATURE SENSOR,SWITCH/DIGITAL OUTPUT,SERIAL |
| Supply Voltage-Max | 3.6V |
| Supply Voltage-Min | 1.5V |
| Surface Mount | YES |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Termination Type | SOLDER |
| Package | Small Outline No-lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Where can I find the HTU21D datasheet?
HTU21D Datasheet DownloadOfficial datasheet from TE Connectivity
What are equivalent replacements for HTU21D?
Compatible alternatives and drop-in replacements for HTU21D:
suggested
Frequently Asked Questions
What resolution and interface does the HTU21D provide for humidity and temperature measurements?
The HTU21D provides 14-bit resolution for both humidity and temperature measurements. It communicates over a 2-wire I2C interface, making it straightforward to integrate with common microcontrollers and embedded systems requiring accurate environmental sensing.
How small is the HTU21D package and why does it matter for PCB layout?
The HTU21D uses a DFN-6 package with a 3 mm x 3 mm footprint and only 0.9 mm body height. This compact size is critical for space-constrained designs like wearables or IoT nodes, where minimizing PCB area while maintaining accurate 14-bit sensor performance is essential.
Which IoT or industrial applications benefit most from the HTU21D sensor?
Applications such as HVAC control systems, industrial data loggers, smart home hubs, and portable weather stations benefit from the HTU21D. Its 14-bit resolution, low 0.5 mA operating current, and 2-wire interface suit battery-powered IoT nodes and industrial environmental monitoring equipment.
What is the typical lead time and availability for the HTU21D from TE Connectivity?
The HTU21D has a factory lead time of approximately 12 weeks from TE Connectivity. Stock availability varies by distributor, but units are commonly available worldwide for immediate shipment, making procurement straightforward for production volumes requiring 14-bit humidity-temperature sensing.
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Why Buy from FindMyChip
About TE Connectivity
TE Connectivity is a leading electronic component manufacturer. FindMyChip sources TE Connectivity ICs directly from authorized China distributors, offering competitive pricing and reliable stock.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 25+ | $8.1100 | $202.75 |
| 50+ | $7.8700 | $393.50 |
| 100+ | $1.1590 | $115.90 |
| 175+ | $1.1478 | $200.86 |
| 230+ | $1.1095 | $255.18 |
| 300+ | $0.9840 | $295.20 |
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