| Parameters | 
                                                                                                            
                                            | Mounting Type | Through Hole | 
                                                                            
                                            | Package / Case | 14-DIP (0.300, 7.62mm) | 
                                                                            
                                            | Supplier Device Package | 14-DIP | 
                                                                            
                                            | Operating Temperature | -40°C~150°C TJ | 
                                                                            
                                            | Packaging | Bulk | 
                                                                            
                                            | Published | 2005 | 
                                                                            
                                            | Part Status | Obsolete | 
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 1  (Unlimited) | 
                                                                            
                                            | Base Part Number | MIC38HC42 | 
                                                                            
                                            | Voltage - Supply (Vcc/Vdd) | 9V~20V | 
                                                                            
                                            | Control Features | Frequency Control | 
                                                                            
                                            | Topology | Boost, Buck, Flyback, Forward | 
                                                                            
                                            | Frequency - Switching | 500kHz | 
                                                                            
                                            | Internal Switch(s) | Yes | 
                                                                            
                                            | Duty Cycle | 96% | 
                                                                            
                                            | Output Isolation | Isolated | 
                                                                            
                                            | Voltage - Start Up | 14.5V | 
                                                                            
                                            | RoHS Status | Non-RoHS Compliant | 
                                                                                                    
                            
                         
                                                MIC38HC42-1BN Overview
It is embedded in package 14-DIP (0.300, 7.62mm) .In Bulk AC/DC power converter, it is available.As you can see, this 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.As a result, the switching frequency reaches 500kHz .Supply voltage (Vcc/Vdd) does not need to exceed 9V~20V .If you select the MIC38HC42 family, you will be able to search for similar acdc converters.There is 14-DIP  package provided with it.
MIC38HC42-1BN Features
Packaged with 14-DIP (0.300, 7.62mm)
Switching Frequency at 500kHz
MIC38HC42-1BN Applications
There are a lot of Microchip Technology MIC38HC42-1BN AC DC Converters applications. 
- Laptops and personal digital assistants
- 3.3V power supplies
- Vacuum Cleaner
- Chargers for cell/cordless phones
- Standby power supplies for TV
- MP3
- Air conditioners
- Replacements for bulky plug-in transformers
- Small off-line low voltage power supplies
- Humidifier