KR_NPA.pdf

New Product Announcement
May 2014
KR Series: NTC Surface-Mount Thermistors
The News: Ametherm introduces a new series of NTC surface-mount thermistors for highaccuracy temperature measurement.
Key Benefits:
 Wide range of resistance values
 Fast thermal response times
 Tight tolerances
 Available in standard EIA 0805, 1005, and 1206 case sizes
 Provide an alternative to radial leaded devices
 High-temperature operation to +150 °C
 RoHS-compliant and lead (Pb)-free
 Five-sided wraparound, silver palladium terminations
 Available in bulk or tape-and-reel packaging
Target Applications:
 Temperature measurement, compensation, and control in LCD controls and power
transistor stabilization
Key Specifications:
 Resistance at 25 °C: 100 Ω to 150 kΩ
 Tolerances: ±5 % and ±10 %
 Negative temperature coefficients at 25 °C: -3.3 %/°C to -4.7 %/°C
 Dissipation constant: 2 mW/°C
 Maximum power ratings at 25 °C: 250 mW
The Context: Recently acquired from RTI Electronics, Inc., Ametherm's KR series of NTC
surface-mount thermistors offers designers a wide range of resistance values at 25 °C and three
standard EIA case sizes to choose from. The devices feature fast thermal response times, tight
tolerances, and negative temperature coefficients between -3.3 %/°C and -4.7 %/°C at 25 °C.
Providing an alternative to radial leaded devices, the NTC surface-mount thermistors deliver
high stability, reliability, and sensitivity for temperature measurement, compensation, and
control in a wide range of applications.
Availability: Offered through Sager Electronics, Mouser, and Dexter Magnetic Technologies,
samples and production quantities of the KR series are available now, with factory lead times of
six weeks.
Datasheets:
New Product Announcement
May 2014
Download this New Product Announcement as a PDF:
http://www.ametherm.com/download/ntc-surface-mount-thermistor-npa-may-2014.pdf
Request a Sample: Call 800-808-2434 (toll free in the United States) or 775-884-2434 from
outside the U.S. and Canada.