Vishay TSAL6400 specifications:

• IR EMITTER, 5MM. 940NM
• Wavelength Typ: 940nm
• Power Dissipation: 210mW
• Current, Forward If: 100mA
• Voltage, Vf Max: 1.35V
• Angle, Viewing: 50°
• Case Style: Radial
• Temperature, Operating Range: -55°C to +100C
• Current, If AV: 100mA
• LED / Lamp Size: T-1 3/4
• Voltage, Vf Typ: 1.35V
• This LED is the most compatible diode for the Wiimote Interactive white board (aka Smooth Board).