| Parameters | 
                                                                                                            
                                            | Mounting Type | Through Hole | 
                                                                            
                                            | Package / Case | 10-SIP Module, 9 Leads, Formed Leads | 
                                                                            
                                            | Supplier Device Package | 9-SIP | 
                                                                            
                                            | Operating Temperature | -40°C~130°C TJ | 
                                                                            
                                            | Packaging | Tube | 
                                                                            
                                            | Series | FSFR | 
                                                                            
                                            | Part Status | Obsolete | 
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 3  (168 Hours) | 
                                                                            
                                            | Power (Watts) | 300W | 
                                                                            
                                            | Voltage - Supply (Vcc/Vdd) | 11.3V~25V | 
                                                                            
                                            | Control Features | EN, Frequency Control | 
                                                                            
                                            | Topology | Half-Bridge | 
                                                                            
                                            | Frequency - Switching | Up to 300kHz | 
                                                                            
                                            | Internal Switch(s) | Yes | 
                                                                            
                                            | Fault Protection | Current Limiting, Over Load, Over Temperature, Over Voltage | 
                                                                            
                                            | Duty Cycle | 50% | 
                                                                            
                                            | Output Isolation | Isolated | 
                                                                            
                                            | Voltage - Breakdown | 500V | 
                                                                            
                                            | Voltage - Start Up | 14.5V | 
                                                                            
                                            | RoHS Status | ROHS3 Compliant | 
                                                                                                    
                            
                         
                                                FSFR1900 Overview
The ac to dc converter is embedded in 10-SIP Module, 9 Leads, Formed Leads  package.The AC/DC power converter is available in Tube .This AC/DC converter is mounted in the way of Through Hole .Ideally, the ac dc converter should be operated at a temperature of -40°C~130°C TJ  degrees Celsius.There is Up to 300kHz  switching frequency.The voltage range of the supply can be set to 11.3V~25V (Vcc/Vdd).It belongs to the family of FSFR manufacturers.It is provided with 9-SIP  pacakge.
FSFR1900 Features
Packaged with 10-SIP Module, 9 Leads, Formed Leads
Switching Frequency at Up to 300kHz
FSFR1900 Applications
There are a lot of Rochester Electronics, LLC FSFR1900 AC DC Converters applications. 
- Remotely-controlled appliances
- Standby Power Supplies
- ZigBee
- ATX/BTX Auxiliary Power
- Automotive Clusters
- Consumer electronics
- Auxiliary Power Supply
- MP3
- Power Adaptors
- Portable Apparatus