RF Switches

Part Number	Description / PDF	Quantity
SKY13404-466LF Skyworks Solutions, Inc.	IC RF SWITCH SP10T 2.7GHZ 26QFN	1306336000
SKY13586-678LF Skyworks Solutions, Inc.	IC RF SWITCH SP3T 2.5GHZ 8MLP	0
SKY13585-679LF Skyworks Solutions, Inc.	IC RF SWITCH SPDT 6GHZ 6MLPD	53928
SKY13547-490LF Skyworks Solutions, Inc.	IC RF SWITCH SPDT 1.8GHZ 12QFN	344842000
AS225-313LF Skyworks Solutions, Inc.	IC RF SWITCH SPDT 6GHZ 6QFN	4
SKY12211-478LF Skyworks Solutions, Inc.	IC RF SWITCH SPDT 2.7GHZ 16QFN	2258
SKY13523-639LF Skyworks Solutions, Inc.	IC RF SWITCH SP3T 3GHZ 14QFN	315000
AS183-92LF Skyworks Solutions, Inc.	IC RF SWITCH SPDT 2.5GHZ SC70-6	1311
SKY13323-378LF Skyworks Solutions, Inc.	IC RF SWITCH SPDT 3GHZ 6MLPD	57476
SKY13270-92LF Skyworks Solutions, Inc.	IC RF SWITCH SPDT 2.7GHZ SC70-6	13187
SKY13330-397LF Skyworks Solutions, Inc.	IC RF SWITCH SPDT 6GHZ 12QFN	0
SKY13290-313LF Skyworks Solutions, Inc.	IC RF SWITCH SPDT 2.5GHZ 6QFN	9545
AS193-73LF Skyworks Solutions, Inc.	IC RF SWITCH SPDT 2.5GHZ SOT6	9079
SKY13377-313LF Skyworks Solutions, Inc.	IC RF SWITCH SPDT 6GHZ 6DFN	2819
SKY13414-485LF Skyworks Solutions, Inc.	IC RF SWITCH SP4T 3GHZ 14QFN	2508
SKYA21003 Skyworks Solutions, Inc.	IC RF SWITCH SPDT 6GHZ 12QFN	11569
SKY13396-397LF Skyworks Solutions, Inc.	IC RF SWITCH DPDT 3GHZ 12QFN	2883
SKY13298-360LF Skyworks Solutions, Inc.	IC RF SWITCH SPDT 8GHZ 8QFN	0
SKYA21039 Skyworks Solutions, Inc.	SPDT 2.4 2.5 GHZ	30030000
AS213-92LF Skyworks Solutions, Inc.	IC RF SWITCH SPDT 3GHZ SC70-6	0

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