RF Switches

Part Number	Description / PDF	Quantity
AS214-92LF Skyworks Solutions, Inc.	IC RF SWITCH SPDT 3GHZ SC70-6	12071
SKYA21041 Skyworks Solutions, Inc.	5G WLAN SW/LNA FRONT END	3000
SKY13637-695LF Skyworks Solutions, Inc.	IC RF SWITCH SP8T 14QFN	287866000
SKY13380-350LF Skyworks Solutions, Inc.	IC RF SWITCH SP4T 3GHZ 16QFN	38569
SKY13355-374LF Skyworks Solutions, Inc.	IC RF SWITCH DPDT 6GHZ 6MLPD	8615
SKY13522-644LF Skyworks Solutions, Inc.	IC RF SWITCH SPDT 6GHZ 8QFN	0
SKY13299-321LF Skyworks Solutions, Inc.	IC RF SWITCH SPDT 5GHZ 12QFN	51419000
SKYA21013 Skyworks Solutions, Inc.	IC RF SWITCH SPDT 6GHZ 12QFN	3516
SKY13317-373LF Skyworks Solutions, Inc.	IC RF SWITCH SP3T 6GHZ 8MLP	0
SKY13438-374LF Skyworks Solutions, Inc.	IC RF SWITCH 6GHZ 6QFN	1482
SKY13278-313LF Skyworks Solutions, Inc.	IC RF SWITCH SPDT 2.5GHZ 6QFN	6294
AS179-92LF Skyworks Solutions, Inc.	IC RF SWITCH SPDT 3GHZ SC70-6	0
SKY13372-467LF Skyworks Solutions, Inc.	IC RF SWITCH SPDT 6GHZ 16QFN	0
SKY12207-306LF Skyworks Solutions, Inc.	IC RF SWITCH SPDT 4GHZ 16QFN	577118000
SKY13319-374LF Skyworks Solutions, Inc.	IC RF SWITCH SPDT 3GHZ 6MLPD	3599
SKY13399-468LF Skyworks Solutions, Inc.	IC RF SWITCH DP3T 2.7GHZ 18QFN	2147483647
SKY13354-368LF Skyworks Solutions, Inc.	IC RF SWITCH SPDT 3GHZ 12QFN	5836
SKY13335-381LF Skyworks Solutions, Inc.	IC RF SWITCH SPDT 6GHZ 6MLPD	2147483647
SKY13405-490LF Skyworks Solutions, Inc.	IC RF SWITCH SPDT 3GHZ 12QFN	21014
SKY5A1007 Skyworks Solutions, Inc.	DPDT FOR AUTOMOTIVE CV2X BASED U	288081000

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