| Parameters | 
                                
                                                                                                            
                                            | Factory Lead Time | 
                                            4 Weeks | 
                                        
                                                                            
                                            | Mount | 
                                            Through Hole | 
                                        
                                                                            
                                            | Mounting Type | 
                                            Through Hole | 
                                        
                                                                            
                                            | Package / Case | 
                                            10-SDIP (0.300, 7.62mm), 9 Leads | 
                                        
                                                                            
                                            | Number of Pins | 
                                            9 | 
                                        
                                                                            
                                            | Operating Temperature | 
                                            -40°C~150°C TJ | 
                                        
                                                                            
                                            | Packaging | 
                                            Tube | 
                                        
                                                                            
                                            | Published | 
                                            2009 | 
                                        
                                                                            
                                            | Series | 
                                            TOPSwitch®-HX | 
                                        
                                                                            
                                            | Part Status | 
                                            Active | 
                                        
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 
                                            1  (Unlimited) | 
                                        
                                                                            
                                            | Max Power Dissipation | 
                                            41W | 
                                        
                                                                            
                                            | Topology | 
                                            Flyback | 
                                        
                                                                            
                                            | Frequency - Switching | 
                                            66kHz | 
                                        
                                                                            
                                            | Internal Switch(s) | 
                                            Yes | 
                                        
                                                                            
                                            | Fault Protection | 
                                            Current Limiting, Over Temperature, Over Voltage | 
                                        
                                                                            
                                            | Duty Cycle | 
                                            78% | 
                                        
                                                                            
                                            | Output Isolation | 
                                            Isolated | 
                                        
                                                                            
                                            | Voltage - Breakdown | 
                                            700V | 
                                        
                                                                            
                                            | Radiation Hardening | 
                                            No | 
                                        
                                                                            
                                            | RoHS Status | 
                                            RoHS Compliant | 
                                        
                                                                                                    
                            
                         
                                                TOP257MG Overview
An embedded ac to dc converter is included in 10-SDIP (0.300, 7.62mm), 9 Leads  package.It is available in Tube  AC/DC power converter.It is mounted in the way of Through Hole .The ac dc converter needs to be operated at -40°C~150°C TJ °C in order to perform.When the switching frequency reaches 66kHz , the circuit is closed.On the ac/dc converter, there are 9  pins.It is suitable for mounting by Through Hole .The product is acdc converter of the TOPSwitch?-HX  manufacturer family.
TOP257MG Features
Packaged with 10-SDIP (0.300, 7.62mm), 9 Leads
Switching Frequency at 66kHz
With 9 pins
TOP257MG Applications
There are a lot of Power Integrations TOP257MG AC DC Converters applications. 
- Z-Wave
 - Adaptors for DSCs
 - Lighting controls
 - AC/DC LED Driver applications
 - Adaptors for Portable Media Player
 - Automotive Infotainment
 - Automotive Clusters
 - Standby power supplies for IR
 - Adapter/Charger for  Cordless Phones
 - Battery Chargers