| Parameters | 
                                                                                                            
                                            | Factory Lead Time | 4 Weeks | 
                                                                            
                                            | Mount | Through Hole | 
                                                                            
                                            | Mounting Type | Through Hole | 
                                                                            
                                            | Package / Case | 7-SIP, 6 Leads, Exposed Pad, Formed Leads | 
                                                                            
                                            | Number of Pins | 6 | 
                                                                            
                                            | Operating Temperature | -40°C~150°C TJ | 
                                                                            
                                            | Packaging | Tube | 
                                                                            
                                            | Published | 2001 | 
                                                                            
                                            | Series | TOPSwitch®-HX | 
                                                                            
                                            | JESD-609 Code | e3 | 
                                                                            
                                            | Part Status | Active | 
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 1  (Unlimited) | 
                                                                            
                                            | Number of Terminations | 6 | 
                                                                            
                                            | Terminal Finish | MATTE TIN | 
                                                                            
                                            | HTS Code | 8542.39.00.01 | 
                                                                            
                                            | Power Rating | 171W | 
                                                                            
                                            | Max Power Dissipation | 238W | 
                                                                            
                                            | Technology | CMOS | 
                                                                            
                                            | Terminal Position | ZIG-ZAG | 
                                                                            
                                            | Number of Functions | 1 | 
                                                                            
                                            | Terminal Pitch | 1.27mm | 
                                                                            
                                            | Analog IC - Other Type | ANALOG CIRCUIT | 
                                                                            
                                            | Topology | Flyback | 
                                                                            
                                            | Frequency - Switching | 66kHz 132kHz | 
                                                                            
                                            | Internal Switch(s) | Yes | 
                                                                            
                                            | Fault Protection | Current Limiting, Over Temperature, Over Voltage | 
                                                                            
                                            | Duty Cycle | 78% | 
                                                                            
                                            | Output Isolation | Isolated | 
                                                                            
                                            | Voltage - Breakdown | 700V | 
                                                                            
                                            | Width | 2.01mm | 
                                                                            
                                            | Radiation Hardening | No | 
                                                                            
                                            | RoHS Status | RoHS Compliant | 
                                                                                                    
                            
                         
                                                TOP259EG Overview
In the 7-SIP, 6 Leads, Exposed Pad, Formed Leads package, the ac to dc converter is embedded.The ac dc converter is available in Tube  case.Through Hole mounts this AC/DC converter.For the ac dc converter to perform properly, it should be operated at a temperature of -40°C~150°C TJ °C.In this AC DC converter, an analog integrated circuit (IC) of type ANALOG CIRCUIT is employed.Switching frequency reaches 66kHz 132kHz  Hz.There are a total of 6 terminations in it.The ac/dc converter has 6 pins.There are no problem mounting the ac dc converters by Through Hole .This AC to DC converter belongs to the TOPSwitch?-HX family of manufacturers.
TOP259EG Features
Packaged with 7-SIP, 6 Leads, Exposed Pad, Formed Leads
Switching Frequency at 66kHz 132kHz
With 6 pins
TOP259EG Applications
There are a lot of Power Integrations TOP259EG AC DC Converters applications. 
- Standby power supplies for TV
- Power adapters for network devices 
- Utility meters
- Tablets
- ATX/BTX Auxiliary Power
- Adapters
- Air Conditioning
- Open Frame Switching Power Supply
- Small off-line low voltage power supplies
- Set Top Boxes (STB)