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Alternatives to Texas Instruments RI-STU-MRD2

Texas Instruments RI-STU-MRD2 and its qualified second sources, compared on form, fit and function, stock, lifecycle and price — the same checks Parter runs inside a BOM.

Equivalent and substitute parts for Texas Instruments RI-STU-MRD2

RI-STU-MRD2 compared against its qualified second sources
RI-STU-MRD2Texas InstrumentsRI-SMD-MRD2Texas Instruments
FFF CompatibilityThe RI-SMD-MRD2 is a 34-pad surface-mount device (SMD), whereas the RI-STU-MRD2 is a 30-pin Dual In-Line (DIL) through-hole module, necessitating a completely different PCB land pattern layout.Physical package size, mounting type (SMD vs. THT), and pin structure are entirely different.Electrically and functionally identical, offering identical 134.2 kHz reader capabilities, power requirements (2.7V to 5.5V), and interface protocols.
AI Summary

RI-STU-MRD2 by Texas Instruments: RFID Reader Module 134.2kHz Module.

The RI-SMD-MRD2 is the surface-mount sibling of the RI-STU-MRD2 from the same Texas Instruments Microreader 2 series. It provides complete software, firmware, and protocol compatibility, though it requires a board redesign due to the different package and pin configurations.

  • Fully software and protocol compatible with the RI-STU-MRD2 module
  • Supports the exact same command sets, timings, and communication protocols (LMP, BSP, ECM, Setup Mode)
  • Significantly smaller footprint (28.05 mm x 22.95 mm) and lower profile (3.5 mm max height)
  • Requires board redesign to accommodate the 34-pad SMD package instead of the 30-pin THT DIL package
  • Manual soldering during prototyping or assembly is more difficult compared to the through-hole DIL module
Lifecycle StatusActiveActive
Market AvailabilityIn stockIn stock
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Related parts

PartMarket availabilityLifecycleAlternatives available
RI-STU-251B-01Texas InstrumentsDiscontinuedObsolete2Alternatives availableSee Alternatives
SMD100-2LittelfuseDiscontinuedObsolete3Alternatives availableSee Alternatives

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