| Parameters | 
                                
                                                                                                            
                                            | Factory Lead Time | 
                                            4 Weeks | 
                                        
                                                                            
                                            | Mounting Type | 
                                            Through Hole | 
                                        
                                                                            
                                            | Package / Case | 
                                            8-DIP (0.300, 7.62mm), 7 Leads | 
                                        
                                                                            
                                            | Surface Mount | 
                                            NO | 
                                        
                                                                            
                                            | Number of Pins | 
                                            7 | 
                                        
                                                                            
                                            | Operating Temperature | 
                                            -40°C~150°C TJ | 
                                        
                                                                            
                                            | Packaging | 
                                            Tube | 
                                        
                                                                            
                                            | Published | 
                                            2009 | 
                                        
                                                                            
                                            | Series | 
                                            TinySwitch®-III | 
                                        
                                                                            
                                            | Part Status | 
                                            Active | 
                                        
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 
                                            1  (Unlimited) | 
                                        
                                                                            
                                            | Number of Terminations | 
                                            7 | 
                                        
                                                                            
                                            | ECCN Code | 
                                            EAR99 | 
                                        
                                                                            
                                            | HTS Code | 
                                            8542.39.00.01 | 
                                        
                                                                            
                                            | Power Rating | 
                                            8.5W | 
                                        
                                                                            
                                            | Max Power Dissipation | 
                                            11W | 
                                        
                                                                            
                                            | Terminal Position | 
                                            DUAL | 
                                        
                                                                            
                                            | Number of Functions | 
                                            1 | 
                                        
                                                                            
                                            | Terminal Pitch | 
                                            2.54mm | 
                                        
                                                                            
                                            | Pin Count | 
                                            8 | 
                                        
                                                                            
                                            | Analog IC - Other Type | 
                                            SWITCHING REGULATOR | 
                                        
                                                                            
                                            | Control Features | 
                                            EN | 
                                        
                                                                            
                                            | Topology | 
                                            Flyback | 
                                        
                                                                            
                                            | Frequency - Switching | 
                                            132kHz | 
                                        
                                                                            
                                            | Control Technique | 
                                            PULSE WIDTH MODULATION | 
                                        
                                                                            
                                            | Switcher Configuration | 
                                            SINGLE | 
                                        
                                                                            
                                            | Internal Switch(s) | 
                                            Yes | 
                                        
                                                                            
                                            | Fault Protection | 
                                            Current Limiting, Open Loop, Over Temperature, Over Voltage, Short Circuit | 
                                        
                                                                            
                                            | Duty Cycle | 
                                            65% | 
                                        
                                                                            
                                            | Output Isolation | 
                                            Isolated | 
                                        
                                                                            
                                            | Voltage - Breakdown | 
                                            700V | 
                                        
                                                                            
                                            | Radiation Hardening | 
                                            No | 
                                        
                                                                            
                                            | RoHS Status | 
                                            RoHS Compliant | 
                                        
                                                                                                    
                            
                         
                                                TNY274PG Overview
There is a ac to dc converter embedded in package 8-DIP (0.300, 7.62mm), 7 Leads .In Tube AC/DC power converter, it is available.In this case, the AC/DC converter is mounted in the way of Through Hole .The ac dc converter should be operated at a temperature of -40°C~150°C TJ °C to deliver its optimal performance.In this AC DC converter, an analog integrated circuit (IC) of type SWITCHING REGULATOR is employed.There is 132kHz  switching frequency.There are a total of 7 terminations in it.The ac/dc converter has 7 pins.There are 8   pins in the ac-dc converter.This AC to DC converter belongs to the TinySwitch?-III  manufacturer family.
TNY274PG Features
Packaged with 8-DIP (0.300, 7.62mm), 7 Leads
Switching Frequency at 132kHz
With 7 pins
TNY274PG Applications
There are a lot of Power Integrations TNY274PG AC DC Converters applications. 
- 3.3V power supplies
 - Rice Cooker
 - Standby and Auxiliary Power Supplies 
 - AC/DC Adaptors/Chargers for Cordless Phone
 - Laptops and personal digital assistants
 - Standby Power for General Off-Line Applications 
 - Battery Chargers
 - Portable Apparatus
 - AC--DC Adapter
 - Battery Chargers