This part is a kind of semiconductor called 11EQS06.
Function of this product has Low Forward Voltage drop Diode.
Manufacturers : Nihon Inter Electronics
Image and pinout :

Some of the text within the PDF file :
SBD Type :11EQS06 FEATURES * Miniature Size * Low Forward Voltage Drop * High Surge Capability * 30volts trough 100volts Types Available * 26mm and 52mm Inside Tape Spacing Package Available OUTLINE DRAWING Maximum Ratings Approx Net Weight:0.17g Rating Symbol 11EQS06 Unit Repetitive Peak Reverse Voltage Non-repetitive Peak Reverse Voltage Without Fin or Average Rectified P.C.Board Output Current P.C.Board Mounted * RMS Forward Current Surge Forward Current Operating JunctionTemperature Range Storage Temperature Range VRRM VRSM IO IF(RMS) IFSM Tjw Tstg 60 V 65 V 0.8 Ta=28°C Half Sine Wave Resistive Load 1.0 Ta=29°C A 1.57 25 Half Sine Wave,1cycle,Non-repetitive - 40 to + 150 - 40 to + 150 A A °C °C Electrical • Thermal Characteristics Characteristics Symbol Conditio [ ... ]
11EQS06 PDF Datasheet Download
