This Part Name is DB3.
This is Semiconductor.
This product has 150mW Bi-directional Trigger Diodes functions.
Manufacturers of the product is Fairchild Semiconductor
Image and pinout :
DB3-DB3TG — 150mW Bi-directional Trigger Diodes DB3-DB3TG 150mW Bi-directional Trigger Diodes Features • VBO : 32V Version • Low break-over current • DO-35 package (JEDEC) • Hermetically sealed glass • Compression bonded construction • All external surfaces are corrosion resistant and terminals are readily solderable • RoHS compliant • High reliability glass passivation insuring parameter stability and protection against junction contamination. • Terminal: Pure tin plated, lead free, solderable per MIL-STD-202, Method 208 guaranteed • High temperature soldering guaranteed : 260°C/10 seconds September 2010 DO-35 Color Band Denotes Cathode Absolute Maximum Ratings and Electrical Characteristics Symbol Parameter VBO ±VBO IBO ΔV IB VO PD IFRM Rθja TJ, TSTG Break-over Voltage @ C=22nF Min. Typ. Max. Break-over Voltage Symmetry @ C=22nF Max. Break-over Current @ C=22nF Max. Dynamic Break-over Voltage @ IBO to IF=10mA Min. Leakage Current @ VB=0.5VBO [ ... ]