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Manufacturer Part #


115.2 kbps 5.5 V 1 m Link Distance SMT Serial IrDA Infrared Transceiver

ECAD Model:
Mfr. Name: Vishay
Standard Pkg:
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Product Specification Section
Vishay TFBS4711-TR1 - Technical Attributes
Attributes Table
Speed: 100ns
Link: 1m
Supply Voltage: 2.7V to 5.5V
Idle Current-Max: 10mA
Data Rate: 115.2kbps
Dimension: H  1.9mm x L  3.1mm x W  6mm
Mounting Method: Surface Mount
$Features & Applications
The TFBS4711-TR1 is a low profile, infrared data transceiver module. It supports IrDA® data rates up to 115.2 kbit/s (SIR).

The transceiver module consists of a PIN photodiode, an infrared emitter (IRED), and a low-power CMOS control IC to provide a total front-end solution in a single package.


  • Compliant with the latest IrDA physical layer low power specification (9.6 kbit/s to 115.2 kbit/s)
  • Small package (H x L x W in mm): 1.9 x 3 x 6
  • Typical link distance on-axis up to 1 m
  • Battery and power management features:
    • Idle current - 70 μA typical
    • Shutdown current - 10 nA typical
    • Operates from 2.4 V to 5.5 V within specification over full temperature range from - 25 °C to + 85 °C
  • Remote control - transmit distance up to 8 m
  • Tri-state receiver output, floating in shutdown with a weak pull-up
  • Constant RXD output pulse width (2.2 μs typical)
  • Meets IrFM fast connection requirements
  • Split power supply, an independent, unregulated supply forIRED anode and a well regulated supply for VCC
  • Directly interfaces with various super I/O and controller devices and encoder/decoder such as TOIM4232 or TOIM5232
  • Qualified for lead (Pb)-free and Sn/Pb processing (MSL4)
  • Compliant to RoHS directive 2002/95/EC and in accordance to WEEE 2002/96/EC


  • Ideal for battery operated devices
  • PDAs
  • Mobile phones
  • Electronic wallet (IrFM)
  • Notebook computers
  • Digital still and video cameras
  • Printers, fax machines, photocopiers, screen projectors
  • Data loggers
  • External infrared adapters (dongles)
  • Diagnostics systems
  • Medical and industrial data collection devices
  • Kiosks, POS, point and pay devices
  • GPS
  • Access control
  • Field programming device



Pricing Section
Global Stock:
Factory Stock:Factory Stock:
Factory Lead Time:
26 Weeks
Minimum Order:
Multiple Of:
Web Price
Product Variant Information section