Developed specifically for LED driver circuits, the B5960 series of PTC thermistors comprises four types of thermistors in the EIA 0603 case size. Their rated resistance of 110 or 470 Ω has a narrower tolerance of ±15%, and their R/T characteristics are more exactly specified, which is said to allow LEDs to be operated with near maximum temperature-dependent current without the use of a driver IC with integrated temperature measurement.
The thermistors offer a maximum operating voltage of 32 Vdc. (From $0.150 to $0.175 — available now.)
EPCOS , Iselin , NJ
Jim Borsh 732-906-4390
http://www.epcos.com/ptc
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