MSP4TA-18+

Product Overview

MSP4TA-18+ is a single-pole four-throw (SP4T) RF switch IC from Mini-Circuits, intended for controlled signal routing in wireless front-end, broadband RF, instrumentation and embedded radio designs. The device helps select, isolate or redirect RF paths between antennas, filters, LNAs, PAs, receiver inputs, transmitter outputs or test nodes under electronic control.

The available product data indicates single-pole four-throw (SP4T) operation in a Module, SMA Connectors package. In a practical RF design, engineers should review insertion loss, off-state isolation, return loss, RF power handling, switching speed, ESD rating and control-logic compatibility before approving MSP4TA-18+ for production.

Key Features

• Manufacturer: Mini-Circuits
• Part Number: MSP4TA-18+
• Device Type: single-pole four-throw (SP4T) RF switch IC
• Switch Configuration: single-pole four-throw (SP4T)
• System Impedance: 50 Ω RF signal-chain use is typical for this class of RF switch; confirm the exact impedance data in the datasheet
• Control / Actuation: Logic-controlled RF switch IC for electronic RF path selection
• RF Path Style: Absorptive RF path style indicated by product text
• Package / Case: Module, SMA Connectors
• PCB / Assembly Note: connectorized RF module format for test equipment and cable-interface assemblies
• Product Description: single-pole four-throw (SP4T), in Module, SMA Connectors for antenna selection, front-end routing, filter-bank switching or test-path control
• Design Notes: Validate insertion loss, isolation, return loss, linearity, RF power rating, switching time, ESD rating and control truth table from the official manufacturer datasheet before production approval

Applications

MSP4TA-18+ can be used in RF front-end modules, antenna-switching circuits, receiver/transmitter path selection, filter-bank routing, RF test interfaces, wireless communication equipment and compact radio boards. It is especially relevant where a controlled RF path must replace a mechanical jumper, relay contact or larger discrete switching arrangement.

For BOM continuation, repair or redesign projects, buyers should compare the exact switch configuration, frequency range, package or connector format, RF port arrangement and control method with the existing circuit. Substitution should only be approved after confirming the datasheet parameters and board-level RF layout requirements.

Quality & Sourcing

Antrex Electronics can support MSP4TA-18+ sourcing with stock availability checks, RFQ quotation, date code review, package confirmation and shipment arrangement. For RF switch purchasing, buyers can provide target quantity, acceptable date code, packaging preference, required frequency range, switch topology and inspection requirements for faster quotation support.

For quality control, Antrex Electronics can help arrange product photos, label review, visual inspection and third-party testing support when required. OEMs, EMS providers, RF module manufacturers, repair teams and electronic component buyers are welcome to send BOM lists or hard-to-find RF switch requests for sourcing assistance.