This part is a kind of semiconductor called HRF22.

Function of this product has Silicon Schottky Barrier Diode for Rectifying.

Manufacturers : Hitachi Semiconductor

Image and pinout :

Some of the text within the PDF file :

HRF22 Silicon Schottky Barrier Diode for Rectifying ADE-208-163D(Z) Rev 4 Jul. 1997 Features • • Good for high-frequency rectify. LRP structure ensures higher reliability. Ordering Information Type No. HRF22 Laser Mark 22 Package Code LRP Outline Cathode mark Mark 1 22 2 1. Cathode 2. Anode HRF22 Absolute Maximum Ratings (Ta = 25°C) Item Repetitive peak reverse voltage Average rectified current Non-Repetitive peak forward surge current Junction temperature Storage temperature Note: Note: Symbol V *1 RRM Value 40 1.0 Unit V A A °C °C I o*1 I FSM Tj Tstg *2 20 125 -40 to +125 1. See from Fig.4 to Fig.7 2. 10msec half sine wave 1 pulse Electrical Characteristics (Ta = 25°C) Item Forward voltage Reverse current ESD-Capability Thermal resistance Symbol VF IR Rth(j-a) M [ ... ]

HRF22 PDF Datasheet Download