SEMTECH SX1240ISTRT
SEMTECH SX1240ISTRT

SEMTECH SX1240ISTRT

Manufacturer No:

SX1240ISTRT

Manufacturer:

SEMTECH

Package:

8-SOIC (0.154, 3.90mm Width) Exposed Pad

Description:

User Guide

Aichiplink operates certified in-house inspection and testing facilities to ensure all electronic components meet internationally recognized quality and compliance standards. Our quality management system is verified through ISO 9001 certification and industry-standard inspection procedures.

PURCHASE

Please verify all part numbers, quantities, and packaging preferences before placing your order. If substitutions are acceptable, please indicate this clearly. For time-sensitive projects, confirm estimated delivery dates and stock availability in advance. Once submitted, changes or cancellations may not be possible, especially for items marked as non-cancellable/non-returnable (NCNR). For international shipments, please ensure all import documentation is complete and accurate to avoid delays.

MEANS OF PAYMENT

For your convenience, we accept multiple payment methods in USD, including PayPal, Credit Card, and Wire Transfer. Net terms may be available for qualified customers upon approval.

RFQ (REQUEST FOR QUOTATIONS)

Please ensure the part numbers and quantities are accurate and complete when submitting your RFQ.
Provide target prices and acceptable alternatives, if any, to speed up the quotation process.

IMPORTANT NOTICE

Quotations are subject to stock availability and may vary with market conditions. Prices and lead times are not guaranteed until a purchase order is confirmed. Ensure your contact details are correct to avoid delays in response.

Step1:Prepare product

Step1:Prepare product

Step2:Desiccant Protection

Step2:Desiccant Protection

Step3:Vacuum Packaging

Step3:Vacuum Packaging

Step4:Individual Package

Step4:Individual Package

Step5:Anti-collision Filling

Step5:Anti-collision Filling

Step6:Packaging Box

Step6:Packaging Box

SHIPPING COST

1. Shipping starts at $40, but some countries will exceed $40. For example (South Africa, Brazil, India, Pakistan, Israel, etc.).
2. Some specific products need to reach the minimum order quantity.
3. It may cost additional remote fees for delivery if you are in a remote area.

SHIPPING METHOD

Currently, our products are shipped through DHL, FedEx, SF, and UPS.

DELIVERY TIME

1. Once the goods are shipped, estimated delivery time depends on the shipping methods you chose: FedEx International, 5-7 business days.
2. For in-stock parts, orders normally could be shipped out within 1-2days.

SX1240ISTRT Information

SEMTECH SX1240ISTRT technical specifications, attributes, parameters and parts with similar specifications to SEMTECH SX1240ISTRT.

  • Type
  • Parameter
  • Factory Lead Time
  • 16 Weeks
  • Mount
  • Surface Mount
  • Package / Case
  • 8-SOIC (0.154, 3.90mm Width) Exposed Pad
  • Number of Pins
  • 8
  • Operating Temperature
  • -40°C~85°C
  • Packaging
  • Tape & Reel (TR)
  • Published
  • 2009
  • Part Status
  • Active
  • Moisture Sensitivity Level (MSL)
  • 1 (Unlimited)
  • Number of Terminations
  • 8
  • Type
  • Parameter
  • ECCN Code
  • EAR99
  • Applications
  • Home / Industrial Automation, Remote Access, Security Alarms
  • Voltage - Supply
  • 1.8V~3.7V
  • Terminal Position
  • DUAL
  • Terminal Form
  • GULL WING
  • Frequency
  • 418MHz 434MHz 868MHz
  • Base Part Number
  • SX124
  • Pin Count
  • 8
  • Operating Supply Voltage
  • 3.3V
  • Operating Supply Current
  • 16.5mA

Download datasheets and manufacturer documentation for SEMTECH SX1240ISTRT.

SX1240ISTRT                        Description    

             

The SX1240 is an ultra-low-cost, fully integrated FSK or OOK compatible transmitter suitable for operation in the 418, 434 and 868 MHz licence free ISM bands. For applications where economy is paramount, the SX1240 may be used without the requirement for configuration via an MCU. The transmitter is configured for default operation at a frequency of 433.92 MHz or 868.3 MHz. However, in  conjunction with a microcontroller the communication link parameters may be re-configured. Including, output power, modulation format and operating channel. The SX1240 offers integrated radio performance with cost efficiency and is suited for worldwide operations in particular Europe (ETSI EN 300-220-1), North America (FCC part 15.231).




SX1240ISTRT                                       Features      


Š +10 dBm or 0 dBm Configurable output power

Š Bit rates up to 100 kbps

Š FSK and OOK modulation

Š 2 Preconfigured Modes for Operation without MCU

433.92 MHz OOK & 868.3 MHz FSK

Š 1.8 to 3.7 V supply range

Š Low BOM Fully Integrated Tx

Š 8 Selectable Centre Frequencies

Š Programmable Frequency Tuning of low cost XTAL


SX1240ISTRT                                Applications   

Š Low-Cost Consumer Electronic Applications

Š Remote Keyless Entry (RKE)

Š Remote Control / Security Systems

Š Audio Accessories

Š Process and building / home control

Š Active RFID


In Stock :Available

Looking for price or availability? Send us an RFQ and our sales team will respond quickly.

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Shipping & Availability

DHL
EMS
FedEx
UPS

Fast worldwide shipping via DHL, FedEx, UPS, and EMS.

Shipped from:HK Warehouse
Expected Shipping:Fri, Mar 20 - Sat, Mar 21, 2026
Date Code:Within 2 Years

Payment

PayPal
MasterCard
Visa
American Express

We support multiple secure payment methods including PayPal, Visa, MasterCard, and American Express. All transactions are protected with advanced encryption to ensure secure and reliable payments.

Authenticity Guarantee

All components supplied by Aichiplink are sourced from trusted global suppliers and verified through strict in-house inspection and quality control procedures.

Quality Assurance

Certified in-house inspection and testing facilities ensure all components meet internationally recognized quality standards.