SX1240ISTRT

Description：RF XMITTER ISM 418/434MHZ 8SOIC
Series：-
Mfr：Semtech Corporation
Package：Tape & Reel (TR)

SKU:cbeeadac6233 Category: RF Transmitters Brand: Semtech Corporation

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Product introduction

SX1240ISTRT is listed in the RF Transmitter range at ChipApex. The manufacturer field lists Semtech Corporation. Its product description is RF XMITTER ISM 418/434MHZ 8SOIC. Review the specifications below when checking this part for your BOM.

RF Transmitter specifications for SX1240ISTRT

Description：RF XMITTER ISM 418/434MHZ 8SOIC
Series：-
Mfr：Semtech Corporation
Package：Tape & Reel (TR)
Frequency：418MHz, 434MHz, 868MHz
Applications：Home / Industrial Automation, Remote Access, Security Alarms
Modulation or Protocol：ISM
Data Rate (Max)：100kbps
Power - Output：10dBm
Current - Transmitting：16.5mA
Data Interface：-
Antenna Connector：PCB, Surface Mount
Memory Size：-
Features：-
Voltage - Supply：1.8V ~ 3.7V
Operating Temperature：-40°C ~ 85°C
Mounting Type：Surface Mount
Package / Case：8-SOIC (0.154", 3.90mm Width) Exposed Pad
Supplier Device Package：8-SOIC, EDP
Grade：-
Qualification：-

RF Transmitter datasheet and documents for SX1240ISTRT

SX1240ISTRT

RF Transmitter Overview

The SX1240ISTRT is an ultra-low-cost, fully integrated RF transmitter designed for license-free ISM band operations. It supports frequencies at 418 MHz, 434 MHz, and 868 MHz. The device features FSK and OOK modulation protocols with a maximum data rate of 100 kbps. It delivers an output power of 10 dBm while consuming 16.5 mA during transmission. The component operates on a supply voltage ranging from 1.8 V to 3.7 V and functions within a temperature range of -40°C to +85°C. It is housed in an 8-SOIC package with exposed pads.

RF Transmitter Feature Summary

Fully integrated transmitter architecture optimized for low-cost applications
Supports FSK and OOK modulation schemes for versatile communication needs
Low current consumption of 16.5 mA during transmission at 10 dBm output

RF Transmitter Applications

Home automation systems
Industrial automation
Remote access devices
Security alarm systems

RF Transmitter Procurement Notes

Verify the obsolete status of this component before procurement planning. Confirm that alternative solutions are available as this part is no longer in active production. Ensure compatibility with existing PCB footprints if utilizing remaining stock. Check datasheet revisions for any parameter variations compared to earlier manufacturing batches.

RF Transmitter Selection Notes

Select this component for applications requiring cost-effective transmission in specific ISM bands. It is suitable for designs prioritizing low power consumption during active transmission phases. Consider the limited frequency options when designing for global markets. Evaluate the 8-SOIC package constraints against board space requirements.

RF Transmitter Part Context

This model belongs to the Semtech SX1240 series of RF transmitters. It is specifically engineered for simple, reliable wireless communication links. The series targets markets where budget constraints limit the use of more complex transceivers. It serves as a dedicated transmission solution rather than a full-duplex transceiver.