| Parameters | 
                                                                                                            
                                            | Factory Lead Time | 4 Weeks | 
                                                                            
                                            | Mount | Through Hole | 
                                                                            
                                            | Mounting Type | Through Hole | 
                                                                            
                                            | Package / Case | 8-DIP (0.300, 7.62mm), 7 Leads | 
                                                                            
                                            | Number of Pins | 7 | 
                                                                            
                                            | Supplier Device Package | DIP-8C | 
                                                                            
                                            | Operating Temperature | -40°C~150°C TJ | 
                                                                            
                                            | Packaging | Tube | 
                                                                            
                                            | Published | 2009 | 
                                                                            
                                            | Series | TOPSwitch®-HX | 
                                                                            
                                            | Part Status | Active | 
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 1  (Unlimited) | 
                                                                            
                                            | Max Operating Temperature | 150°C | 
                                                                            
                                            | Min Operating Temperature | -40°C | 
                                                                            
                                            | Power (Watts) | 34W | 
                                                                            
                                            | Max Power Dissipation | 34W | 
                                                                            
                                            | 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 | 
                                                                                                    
                            
                         
                                                TOP256PG Overview
There is a ac to dc converter embedded in package 8-DIP (0.300, 7.62mm), 7 Leads .There is a AC/DC power converter of Tube available.This AC/DC converter is mounted in the way of Through Hole .It is recommended that the ac dc converter be operated at a temperature of -40°C~150°C TJ °C in order to achieve its full performance.As soon as the switching frequency reaches 66kHz , the circuit is closed.There are 7  pins on the ac/dc converter.It is suitable for mounting by Through Hole .It is a member of TOPSwitch?-HX  manufacturer family.There is a DIP-8C  case to pack the power AC DC.By setting the maximum value to 150°C  , stability is ensured.There must be a minimum working temperature of -40°C  for this isolated switch.
TOP256PG Features
Packaged with 8-DIP (0.300, 7.62mm), 7 Leads
Switching Frequency at 66kHz
With 7 pins
TOP256PG Applications
There are a lot of Power Integrations TOP256PG AC DC Converters applications. 
- Power Adaptors
- AC?DC USB chargers for Cell Phones
- Portable Apparatus
- Air conditioners
- MPS parts
- LED lights
- Home Appliance Applications
- RCC SMPS
- Universal input AC/DC adapters (15W - 45W)
- Chargers for cell/cordless phones