SX1240 Series 868 MHz 100 kbps Low Cost Integrated Transmitter IC - SOIC8-EP

Mfr Part#: SX1240ISTRT
Mounting Method:  Surface Mount
Package Style:  SOIC-8EP
Packaging:  Cut Tape
Std Packaging Qty:  2,500



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$0.7500 USD (each)
1+ $0.7500


Qty in Stock : 0
Factory Stock : N/A
Factory Lead-Time: N/A
Min. Order Qty: 1
Multiple of: 1
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Product Highlight

  • Frequency Range: 433.92 to 868.3 MHz
  • Data Rate: 100 kbps
  • Output Power: 0 to 10 dBm
  • Supply Voltage: 1.8 to 3.7 V

The SX1240ISTRT is a part of SX124x series Transceiver ICs. It has an operating temperature ranging from -40 °C to +85 °C and comes in SOIC8-EP package.

The SX1242 is an ultra-low-cost, fully integrated standalone OOK transmitter suitable for operation at 344.940 MHz. It is designed for use without the requirement for configuration via an MCU.


  • +10 dBm or 0 dBm Configurable output power
  • Bit rates up to 100 kbps
  • FSK and OOK modulation
  • 2 Preconfigured Modes for Operation without MCU 433.92 MHz OOK & 868.3 MHz FSK
  • 1.8 to 3.7 V supply range
  • Low BOM Fully Integrated Tx
  • 8 Selectable Centre Frequencies
  • Programmable Frequency Tuning of low cost XTAL


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Future Electronics offers this product to be custom packaged onto our production ready Mini-Reels.

Select the number of reels you require and the quantity of components to be placed on each reel.
1 is the minimum quantity and 2500 is the maximum quantity that can go on this Mini-Reel.
Number of Reels
Number of Components
No. of
Quantity per Reel Unit Price
inc. Reeling fee
Ext. Price
inc. Reeling fee
1 1 $7.7500 USD $7.75 USD
$7.00 reeling fee is amortized over the number of components to each reel. Mini-Reels are custom product and are non-cancelable and non-returnable