This part is a kind of semiconductor called J500.

Function of this product has Current Regulator Diodes.

Manufacturers : Vishay Siliconix

Image and pinout :

Some of the text within the PDF file :

J500 Series Vishay Siliconix Current Regulator Diodes J500 J501 J502 PRODUCT SUMMARY Part Number J500 J501 J502 J503 J504 J505 J503 J504 J505 J506 J507 J508 TO-226AA (TO-92) Modified J509 J510 J511 Typ IF (mA) 0.24 0.33 0.43 0.56 0.75 1.00 POV (V) 50 50 50 50 50 50 Part Number J506 J507 J508 J509 J510 J511 Typ IF (mA) 1.40 1.80 2.40 3.00 3.60 4.70 POV (V) 50 50 50 50 50 50 C 2 A 1 Top View FEATURES D Two-Lead PlasticPackage D Guaranteed "20% Tolerance D Operation from 1 V (J500–J503) to 50 V D Excellent Temperature Stability BENEFITS D Simple Series Circuitry, No Separate Voltage Source D Tight Guaranteed Circuit Performance D Excellent Performance in Low-Voltage/Battery Circuits and High-Voltage Spike Protection D High Circuit Stability vs. Temperature APPLICATIONS D Consta [ ... ]

J500 PDF Datasheet Download