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As a global leader in innovative light and sensor solutions we offer a unique product and technology portfolio for sensing, illumination and visualization:
from high-performance LEDs and lasers to mixed-signal analog ICs and sensors.
Temperature Sensor AS6221 - teaser

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Our temperature sensors deliver industry-best combination of accuracy and ultra-low power consumption in a tiny wafer level package. The latest addition to our sensor family AS6221, is even the world’s most accurate digital temperature sensor – achieving an outstanding accuracy of 0.09°C. Our sensors are targeted for a broad range of consumer electronic devices and wearables, health-related monitoring systems and heating, ventilation and air conditioning (HVAC) systems. To find out more, see also our press release about AS6221.

Features and benefits

  • Best-in-class performance across a broad range of applications without paying a power or space penalty
  • The tiny 1.5mm2 Wafer Level Chip Scale Package (WLCSP) means ease of integration into existing or new designs
  • Ultra-low power consumption enabling digital temperature sensing into new consumer device designs
  •  Various accuracy versions to give customers a wide choice to best match their requirements
Temperature sensor AS621x
rel. humidity & temp. sensors description

Refer to the list below highlighting the features of our products to guide you in finding the right solution for your design.

Asset Publisher
PartNo Description Datasheet Demo Buy PartNo
AS6221T High accurate digital temperature sensor AS6221T
AS621x High accurate digital temperature sensors (AS6212, AS6214 & AS6218) AS621x
AS6204 Digital temperature sensor for powerful consumer electronics AS6204
AS6200C Cold chain digital temperature sensor AS6200C
AS6200 High accurate digital temperature sensor AS6200
AS6221 High accurate digital temperature sensor AS6221
ams OSRAM temp. sensor film

Watch the amazing benefits of our digital temperature sensor AS6221

Digital temperature sensors from ams OSRAM are the best combination of size, accuracy and current consumption for your design. They meet the highest quality standards to provide you with exceptional reliability over the lifetime of your product.


The latest product of this family, the temperature sensor AS6221 reaches an accuracy of ±0.09°C, which is ideal for healthcare applications, wearables and devices requiring high performance thermal information.

The ultra-small size of the sensor (WLCSP 1.5 x 1.0 mm) enables accurate body/skin temperature measurements in health and lifestyle monitoring products. In addition to the high accuracy and the small form factor, the AS6221 offers very low power consumption.