Description:
The SST509 belongs to a family of ±20% range current regulators designed for demanding applications in test equipment and instrumentation. These devices utilize JFET techniques to produce a device which is extremely simple to operate.

Features:
◾ Surface-Mount Package
◾ Guaranteed ±20% Tolerance
◾ POV (min) 45V
◾ Good Temperature Stability

Benefits:
◾ Simple Series Circuitry, No Separate Voltage Source
◾ Tight Guaranteed Circuit Performance
◾ Excellent Performance in Low-Voltage / Battery Circuits and High-Voltage Spike Protection
◾ High Circuit Stability vs. Temperature

SST509 Applications:
◾ Constant-Current Supply
◾ Current-Limiting
◾ Timing Circuits