RF Switches

Part Number	Description / PDF	Quantity
SKY13321-360LF Skyworks Solutions, Inc.	IC RF SWITCH SPDT 3GHZ 8QFN	422415000
SKY12245-492LF Skyworks Solutions, Inc.	0.3 TO 3.8 GHZ 100 W SPDT SWITCH	0
SKY13415-485LF Skyworks Solutions, Inc.	IC RF SWITCH SP5T 3GHZ 14QFN	3254
SKY13416-485LF Skyworks Solutions, Inc.	IC RF SWITCH SP6T 3GHZ 14QFN	0
AS195-306LF Skyworks Solutions, Inc.	IC RF SWITCH SP5T 2GHZ 16QFN	4778
SKY13320-374LF Skyworks Solutions, Inc.	IC RF SWITCH SPDT 6GHZ 6MLPD	2452
SKY12209-478LF Skyworks Solutions, Inc.	IC RF SWITCH SPDT 4GHZ 16QFN	238
AS169-73LF Skyworks Solutions, Inc.	IC RF SWITCH SPDT 2.5GHZ SOT6	59262
SKY13408-465LF Skyworks Solutions, Inc.	IC RF SWITCH SP3T 6GHZ 12QFN	210912000
SKY13587-378LF Skyworks Solutions, Inc.	IC RF SWITCH SPDT 6GHZ 6MLPD	38101
SKYA21026 Skyworks Solutions, Inc.	IC RF SWITCH DPDT 3GHZ 12QFN	0
AS215-92LF Skyworks Solutions, Inc.	IC RF SWITCH SPDT 3GHZ SC70-6	1709
SKY12242-492LF Skyworks Solutions, Inc.	INTEGRATED 100W PIN DIODE SPDT	2147483647
SKY13698-694LF Skyworks Solutions, Inc.	LOW INSERTION LOSS ANTENNA SWAP	844
SKY13553-11 Skyworks Solutions, Inc.	IC RF SWITCH SP8T HB+SP6T LB DIV	0
SKY85605-11 Skyworks Solutions, Inc.	IC RF SWITCH SPDT 5.9GHZ 16QFN	2988
SKY13638-700LF Skyworks Solutions, Inc.	MIPI SP10T LTE TX/RX	2975
SKY13343-92LF Skyworks Solutions, Inc.	SPDT SWITCH (AS179-92LFT)	6073
SKYA21037 Skyworks Solutions, Inc.	HIGH ISOLATION DPDT	500
SKY12247-492LF Skyworks Solutions, Inc.	SPDT SWITCH WITH INTEGRATED DRIV	199

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