| Parameters | 
                                
                                                                                                            
                                            | Factory Lead Time | 
                                            20 Weeks | 
                                        
                                                                            
                                            | Mounting Type | 
                                            Surface Mount | 
                                        
                                                                            
                                            | Package / Case | 
                                            48-VFQFN Exposed Pad | 
                                        
                                                                            
                                            | Surface Mount | 
                                            YES | 
                                        
                                                                            
                                            | Operating Temperature | 
                                            -25°C~75°C | 
                                        
                                                                            
                                            | Packaging | 
                                            Cut Tape (CT) | 
                                        
                                                                            
                                            | Published | 
                                            2014 | 
                                        
                                                                            
                                            | JESD-609 Code | 
                                            e3 | 
                                        
                                                                            
                                            | Part Status | 
                                            Active | 
                                        
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 
                                            2 (1 Year) | 
                                        
                                                                            
                                            | Number of Terminations | 
                                            48 | 
                                        
                                                                            
                                            | Type | 
                                            TxRx + MCU | 
                                        
                                                                            
                                            | Terminal Finish | 
                                            Tin (Sn) | 
                                        
                                                                            
                                            | HTS Code | 
                                            8542.39.00.01 | 
                                        
                                                                            
                                            | Voltage - Supply | 
                                            1.8V~3.6V | 
                                        
                                                                            
                                            | Terminal Position | 
                                            QUAD | 
                                        
                                                                            
                                            | Terminal Form | 
                                            NO LEAD | 
                                        
                                                                            
                                            | Peak Reflow Temperature (Cel) | 
                                            NOT SPECIFIED | 
                                        
                                                                            
                                            | Number of Functions | 
                                            1 | 
                                        
                                                                            
                                            | Supply Voltage | 
                                            1.8V | 
                                        
                                                                            
                                            | Terminal Pitch | 
                                            0.4mm | 
                                        
                                                                            
                                            | Frequency | 
                                            2.4GHz | 
                                        
                                                                            
                                            | Time@Peak Reflow Temperature-Max (s) | 
                                            NOT SPECIFIED | 
                                        
                                                                            
                                            | JESD-30 Code | 
                                            S-XQCC-N48 | 
                                        
                                                                            
                                            | Interface | 
                                            I2C, SPI, UART | 
                                        
                                                                            
                                            | Memory Size | 
                                            256kB Flash 32kB RAM | 
                                        
                                                                            
                                            | Protocol | 
                                            Bluetooth v4.0 | 
                                        
                                                                            
                                            | Power - Output | 
                                            4dBm | 
                                        
                                                                            
                                            | RF Family/Standard | 
                                            Bluetooth, General ISM > 1GHz | 
                                        
                                                                            
                                            | Data Rate (Max) | 
                                            2Mbps | 
                                        
                                                                            
                                            | Serial Interfaces | 
                                            I2C, SPI, UART | 
                                        
                                                                            
                                            | Current - Receiving | 
                                            9.7mA~13.4mA | 
                                        
                                                                            
                                            | Current - Transmitting | 
                                            4.7mA~16mA | 
                                        
                                                                            
                                            | Modulation | 
                                            GFSK | 
                                        
                                                                            
                                            | Sensitivity (dBm) | 
                                            -96 dBm | 
                                        
                                                                            
                                            | GPIO | 
                                            32 | 
                                        
                                                                            
                                            | Height Seated (Max) | 
                                            0.95mm | 
                                        
                                                                            
                                            | Length | 
                                            6mm | 
                                        
                                                                            
                                            | Width | 
                                            6mm | 
                                        
                                                                            
                                            | RoHS Status | 
                                            ROHS3 Compliant | 
                                        
                                                                                                    
                            
                         
                                                NRF51822-QFAC-R Overview
The board's 48-VFQFN Exposed Pad package saves space. It is possible to mount the RF transceiver's mounting using Surface Mount.Initially, it emerges as a TxRx + MCU with transceiver RF's  high efficiency and a high degree of reliability.High reliability can be achieved by using the advanced transceiver RF' packaging Cut Tape (CT).A frequency of 2.4GHz is used to operate RF transceiver.
NRF51822-QFAC-R Features
48-VFQFN Exposed Pad package
Surface Mount for mounting
TxRx + MCU 
 Cut Tape (CT) is used
NRF51822-QFAC-R Applications
There are a lot of Nordic Semiconductor ASA NRF51822-QFAC-R RF Transceiver ICs applications. 
- Power management
 - Power Amplifier (PA)
 - Internet Radio
 -  
 - Wireless Price Tags
 - Remote Control
 - Medical
 - Retail
 - Automotive
 - Utility and Smart Energy