| Parameters | 
                                                                                                            
                                        | Mfr | Vishay Semiconductor Opto Division | 
                                                                        
                                        | Series | - | 
                                                                        
                                        | Package | Tape & Reel (TR) | 
                                                                        
                                        | Product Status | Obsolete | 
                                                                        
                                        | Color | Yellow | 
                                                                        
                                        | Configuration | - | 
                                                                        
                                        | Lens Color | Colorless | 
                                                                        
                                        | Lens Transparency | Clear | 
                                                                        
                                        | Millicandela Rating | - | 
                                                                        
                                        | Lens Style | Round with Domed Top | 
                                                                        
                                        | Lens Size | - | 
                                                                        
                                        | Voltage - Forward (Vf) (Typ) | 2.1V | 
                                                                        
                                        | Current - Test | 70mA | 
                                                                        
                                        | Viewing Angle | 90° | 
                                                                        
                                        | Mounting Type | Through Hole | 
                                                                        
                                        | Wavelength - Dominant | 591nm | 
                                                                        
                                        | Wavelength - Peak | 594nm | 
                                                                        
                                        | Features | - | 
                                                                        
                                        | Package / Case | 4-DIP (0.200", 5.08mm) | 
                                                                        
                                        | Supplier Device Package | - | 
                                                                        
                                        | Size / Dimension | 7.62mm L x 7.62mm W | 
                                                                        
                                        | Height (Max) | 6.40mm | 
                                                                        
                                        | RoHS Status | ROHS3 Compliant | 
                                                                        
                                        | Moisture Sensitivity Level (MSL) | 1  (Unlimited) | 
                                                                        
                                        | ECCN | EAR99 | 
                                                                        
                                        | HTSUS | 8541.41.0000 | 
                                                                        
                                        | Other Names | 751-TLWY8900CTR | 
                                                                        
                                        | Standard Package | 2,100 | 
                                                                                                        
                            
                         
                                                Yellow 591nm LED Indication - Discrete 2.1V 4-DIP (0.200", 5.08mm)