Rohm SIR-34ST3FF Current - Dc Forward (if): 100mA Mounting Type: Through Hole Orientation: Top View Package / Case: T-1 Radiant Intensity (ie) Min @ If: 3.5mW/sr @ 50mA Series: - Viewing Angle: 54?° Voltage - Forward (vf) Typ: 1.3V Wavelength: 950nm Other Names: 511-1363, SIR-34ST3F