RF Switches

Part Number	Description / PDF	Quantity
SKY13498-21 Skyworks Solutions, Inc.	IC RF SWITCH SP10T 20MCM	0
SKY13453-385LF Skyworks Solutions, Inc.	IC RF SWITCH 6GHZ 6QFN	0
SKY13314-374LF Skyworks Solutions, Inc.	IC RF SWITCH SPDT 6GHZ 6MLPD	6615
SKY19245-686LF Skyworks Solutions, Inc.	SP4T 45V PACKAGED TUNNING SWITCH	8990
SKY13351-378LF Skyworks Solutions, Inc.	IC RF SWITCH SPDT 6GHZ 6MLPD	0
SKY13626-685LF Skyworks Solutions, Inc.	IC SWITCH SP4T 9-PIN 12QFN	5072
SKYA21012 Skyworks Solutions, Inc.	IC RF SWITCH SPDT 6GHZ 6MLPD	11
SKY13347-360LF Skyworks Solutions, Inc.	IC RF SWITCH SPST 3GHZ 8DFN	465
SKY13345-368LF Skyworks Solutions, Inc.	IC RF SWITCH SP3T 3.5GHZ 12QFN	183530000
SKY13251-349LF Skyworks Solutions, Inc.	IC RF SWITCH SP3T 3GHZ 8QFN	6405
SKY13575-639LF Skyworks Solutions, Inc.	IC RF SWITCH SP4T 6GHZ 14QFN	31414
SKY13411-374LF Skyworks Solutions, Inc.	IC RF SWITCH DPDT 6GHZ 6MLPD	3048
SKY13418-485LF Skyworks Solutions, Inc.	IC RF SWITCH SP8T 3GHZ 14QFN	16177
SKY13417-485LF Skyworks Solutions, Inc.	IC RF SWITCH 3GHZ 14QFN	3003
SKY12207-478LF Skyworks Solutions, Inc.	IC RF SWITCH SPDT 4GHZ 16QFN	28
SKY13550-667LF Skyworks Solutions, Inc.	IC RF SWITCH SP4T 3.8GHZ 14QFN	0
SKY13488-21 Skyworks Solutions, Inc.	IC RF SWITCH SP12T 3GHZ 20MCM	0
SKY13348-374LF Skyworks Solutions, Inc.	IC RF SWITCH SPDT 6GHZ 6MLPD	33573
SKY13373-460LF Skyworks Solutions, Inc.	IC RF SWITCH SP3T 6GHZ 12QFN	87129
SKY13446-374LF Skyworks Solutions, Inc.	IC RF SWITCH 6GHZ 6MLPD	7415

RF Switches

1. Overview

RF (Radio Frequency) and IF (Intermediate Frequency) switches are critical components in wireless communication systems, enabling signal routing between transmitter, receiver, and antenna. RFID (Radio Frequency Identification) RF switches specifically manage signal paths in RFID readers and tags. These electromechanical or solid-state devices operate in frequency ranges from kHz to GHz, playing vital roles in 5G, IoT, and industrial automation.

2. Main Types and Functional Classification

Type	Functional Characteristics	Application Examples
Electromechanical Switches	High isolation (>85dB), low insertion loss (<0.5dB), limited lifespan (10⁷ cycles)	Lab test equipment, fixed wireless systems
Solid-State Switches	Fast switching speed (<20ns), 50 impedance, moderate power handling (30dBm)	5G base stations, software-defined radios
MEMS Switches	Ultra-low insertion loss (0.2dB), high linearity, vacuum encapsulation	Aerospace phased arrays, medical imaging
RFID Antenna Switches	Impedance matching networks, HF/UHF band optimization	Smart logistics, access control systems

3. Structure and Components

Typical RF switches consist of: - Housing: Aluminum alloy or ceramic packages - Contact system: Gold-plated beryllium copper contacts - Actuator: Electromagnetic coil or MEMS membrane - RF ports: SMA/N-type connectors or surface-mount pads - Dielectric materials: PTFE or ceramic insulators

4. Key Technical Specifications

Parameter	Typical Values	Importance
Frequency Range	DC-18GHz (standard)	Determines application bandwidth
Insertion Loss	0.3-2.0 dB	Affects signal strength
Isolation	40-100 dB	Prevents signal interference
Power Handling	10W-100W	Limits maximum operational power
Switching Speed	5ms-50ns	Impacts system response time

5. Application Fields

Telecommunications: Base station antenna switching
Industrial: IoT gateway signal routing
Medical: MRI machine RF path control
Automotive: Tire pressure monitoring systems
Retail: Smart shelf inventory management

6. Leading Manufacturers and Products

Manufacturer	Representative Product	Key Features
Keysight Technologies	U1880A	67GHz bandwidth, 500ns switching speed
Analog Devices	ADG904	4-channel, 3GHz, CMOS process
STMicroelectronics	AFBR-5010	MEMS-based, 0.15dB insertion loss
Infineon	BTS724G	Automotive-grade, 40V load protection

7. Selection Recommendations

Key considerations: - Frequency matching with system requirements - Power handling capacity with 20% safety margin - Environmental factors (temperature, vibration) - Lifecycle requirements (electromechanical vs. solid-state) - Cost vs. performance trade-offs

8. Industry Trends

Future developments include: - Millimeter-wave switches for 5G/6G (28-100GHz) - Integrated passive devices (IPDs) with embedded switches - Energy-harvesting RFID switch solutions - AI-driven smart switch arrays for dynamic spectrum sharing - Nano-MEMS technology achieving sub-10ns switching