| Parameters | 
                                
                                                                                                            
                                            | Mounting Type | 
                                            Surface Mount | 
                                        
                                                                            
                                            | Package / Case | 
                                            36-BSOP (0.295, 7.50mm Width) | 
                                        
                                                                            
                                            | Surface Mount | 
                                            YES | 
                                        
                                                                            
                                            | Operating Temperature | 
                                            0°C~70°C | 
                                        
                                                                            
                                            | Packaging | 
                                            Tube | 
                                        
                                                                            
                                            | JESD-609 Code | 
                                            e0 | 
                                        
                                                                            
                                            | Pbfree Code | 
                                            no | 
                                        
                                                                            
                                            | Part Status | 
                                            Obsolete | 
                                        
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 
                                            3 (168 Hours) | 
                                        
                                                                            
                                            | Number of Terminations | 
                                            9 | 
                                        
                                                                            
                                            | Type | 
                                            SCSI, LVD, SE | 
                                        
                                                                            
                                            | Terminal Finish | 
                                            TIN LEAD | 
                                        
                                                                            
                                            | Voltage - Supply | 
                                            2.7V~5.5V | 
                                        
                                                                            
                                            | Terminal Position | 
                                            DUAL | 
                                        
                                                                            
                                            | Terminal Form | 
                                            GULL WING | 
                                        
                                                                            
                                            | Peak Reflow Temperature (Cel) | 
                                            245 | 
                                        
                                                                            
                                            | Number of Functions | 
                                            1 | 
                                        
                                                                            
                                            | Terminal Pitch | 
                                            0.8mm | 
                                        
                                                                            
                                            | Time@Peak Reflow Temperature-Max (s) | 
                                            NOT SPECIFIED | 
                                        
                                                                            
                                            | Pin Count | 
                                            36 | 
                                        
                                                                            
                                            | JESD-30 Code | 
                                            R-PDSO-G36 | 
                                        
                                                                            
                                            | Qualification Status | 
                                            COMMERCIAL | 
                                        
                                                                            
                                            | Differential Output | 
                                            YES | 
                                        
                                                                            
                                            | Number of Signal Lines | 
                                            9 | 
                                        
                                                                            
                                            | Pull-up Resistance-Nom | 
                                            105Ohm | 
                                        
                                                                            
                                            | Height Seated (Max) | 
                                            2.64mm | 
                                        
                                                                            
                                            | Length | 
                                            15.375mm | 
                                        
                                                                            
                                            | Width | 
                                            7.5mm | 
                                        
                                                                            
                                            | RoHS Status | 
                                            Non-RoHS Compliant | 
                                        
                                                                                                    
                            
                         
                                                DS2120B Overview
An example of a 9 termination would be one in which the characteristic impedance of the transmission line is matched to the device terminating the transmission line. A well-known feature of the 36-BSOP (0.295, 7.50mm Width) is its low packaging cost. Tube's packaging follows her materials. Surface Mount allows mounting of PCBs. A temperature greater than 0°C~70°C should not be used as the operating temperature. It is a SCSI, LVD, SE-qualified material for standard applications. As a precaution, a 2.7V~5.5V Supply Voltage has been provided. There are also 36 pins available for specific purposes. In general, a signal line is defined as a line devoted solely to transmitting signals or intelligence, whether it's for purposes of public or private communication. 
DS2120B Features
9 terminations
Tube package
36 pin count
 9 signal lines
DS2120B Applications
There are a lot of Rochester Electronics, LLC DS2120B Signal Terminators applications. 
- Programmable logic controller
 - PCI Cards
 - SCSI cable
 - laser printers
 - Server and workstation
 - IEC61131-2 type 1, 2 and 3
 - Notebooks
 - Telecommunication Equipment
 - CD-ROM drives
 - High speed protected termination for digital input with serialized SPI output