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SX1241ISETRT is listed in the RF Transmitter range at ChipApex. The manufacturer field lists Semtech Corporation. Its product description is IC TRANSMITTER 8SOIC. Review the specifications below when checking this part for your BOM.
RF Transmitter specifications for SX1241ISETRT
- Description：IC TRANSMITTER 8SOIC
- Series：-
- Mfr：Semtech Corporation
- Package：Tape & Reel (TR)
- Frequency：-
- Applications：-
- Modulation or Protocol：-
- Data Rate (Max)：-
- Power - Output：-
- Current - Transmitting：-
- Data Interface：-
- Antenna Connector：-
- Memory Size：-
- Features：-
- Voltage - Supply：-
- Operating Temperature：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
- Grade：-
- Qualification：-
RF Transmitter datasheet and documents for SX1241ISETRT
RF Transmitter Overview
The SX1241ISETRT is an ultra-low-cost, fully integrated RF transmitter manufactured by Semtech Corporation. It supports FSK and OOK modulation formats for operation in the 369 MHz to 396 MHz frequency band. The device is housed in an 8-SOIC package with a bare pad configuration. It operates on a supply voltage ranging from 1.8V to 3.7V and delivers a maximum output power of 10dBm. The component supports data rates up to 100kbps and functions within a temperature range of -40°C to 85°C.
RF Transmitter Feature Summary
- Fully integrated transmitter design supporting FSK and OOK modulation schemes
- Ultra-low-cost architecture optimized for cost-sensitive applications
- Single-supply operation compatible with standard low-voltage logic levels
RF Transmitter Applications
- Remote Keyless Entry (RKE) systems
- Security alarm systems
- Industrial control monitoring
RF Transmitter Procurement Notes
Verify component status as the SX1241 series has been subject to production discontinuation notices. Confirm availability through authorized distributors or check for last-time-buy notifications. Ensure compatibility with existing PCB footprints and reflow profiles for the 8-SOIC package. Review datasheet revisions for any pinout or electrical parameter updates prior to integration.
RF Transmitter Selection Notes
Select this component for applications requiring transmission only in the 369-396 MHz ISM band. It is suitable for designs prioritizing minimal bill-of-materials cost over high-output power. Consider the 10dBm limit when calculating link budget requirements. Verify that the host microcontroller can interface directly with the SPI control lines without additional level shifting.
RF Transmitter Part Context
The SX1241 belongs to Semtech's family of low-power wireless transceivers designed for simple point-to-point communication links. Unlike full-duplex transceivers, this part focuses exclusively on transmission capabilities to reduce complexity and cost. It complements receiver-only solutions in asymmetric wireless networks where bidirectional communication is not required for every node.
RF Transmitter Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. The SX1241 series has been marked as obsolete in some distributor records. Evaluate alternative single-band transmitters from other manufacturers if current stock is unavailable.
Explore related parts through RF and Wireless, all product categories, ChipApex homepage.
