U2741B-NFBG3

U2741B-NFBG3

$1.36
  • Description:RF TX IC UHF 300-450MHZ 16LSSOP
  • Series:-
  • Mfr:Microchip Technology
  • Package:Tape & Reel (TR)

SKU:0fb3b7042955 Category: Brand:

  
  • Quantity
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Product Detailed Parameters

  • Description:RF TX IC UHF 300-450MHZ 16LSSOP
  • Series:-
  • Mfr:Microchip Technology
  • Package:Tape & Reel (TR)
  • Frequency:300MHz ~ 450MHz
  • Applications:General Purpose
  • Modulation or Protocol:UHF, ASK, FSK
  • Data Rate (Max):20kBaud
  • Power - Output:3dBm
  • Current - Transmitting:10mA
  • Data Interface:PCB, Surface Mount
  • Antenna Connector:PCB, Surface Mount
  • Memory Size:-
  • Features:-
  • Voltage - Supply:2V ~ 5.5V
  • Operating Temperature:-40°C ~ 85°C
  • Mounting Type:Surface Mount
  • Package / Case:16-LSSOP (0.154", 3.90mm Width)
  • Supplier Device Package:16-SSO
  • Grade:-
  • Qualification:-

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U2741B-NFBG3

Buying Guide
Summary

Microchip Technology U2741B-NFBG3 is used in RF Transmitters category in RF signal paths where layout, grounding, and interface choices determine real performance. Key specs include Description (RF TX IC UHF 300-450MHZ 16LSSOP), Temperature (-40°C ~ 85°C), Package/case (16-LSSOP (0.154", 3.90mm Width)), Mounting (Surface Mount), and Packaging (Tape & Reel (TR)).

Selection Notes
  • For U2741B-NFBG3, confirm the operating frequency (300MHz ~ 450MHz) and any related tolerance requirements.
  • Verify the operating temperature range (-40°C ~ 85°C) and derate as needed in your application.
  • Double-check Current - Transmitting (10mA) against your specification and operating conditions.
  • Double-check the mounting type (Surface Mount) for your intended installation method.
Alternates & Substitutions
  • For RF Transmitters, compare the datasheet test conditions behind key specs and re-check the margins that were tightest during bring-up.
  • Treat substitutions as a validation task: check limits, then re-test the assumptions that mattered in your bring-up.
  • Check that supply 2V ~ 5.5V, temperature -40°C ~ 85°C matches your system, then validate at corners instead of relying on typical values.
  • For RF parts, validate the alternate in the real enclosure and cabling, not only in a bench setup.
FAQ

Any tips for integrating U2741B-NFBG3 into an RF signal path?
Pay attention to impedance continuity, grounding, connector transitions, and layout symmetry to minimize loss and reflections.

Can you confirm the operating temperature range for U2741B-NFBG3?
-40°C ~ 85°C

Which Modulation or Protocol is specified for U2741B-NFBG3?
UHF, ASK, FSK

What is the Power - Output of U2741B-NFBG3?
3dBm

Application Scenarios

Microchip Technology U2741B-NFBG3 is listed under the RF Transmitters category and is commonly used when correctness, reliability, and qualification repeatability matter. Their specifications directly influence link budget, sensitivity, selectivity, and emission margins in crowded spectrum environments. Good RF building blocks accelerate certification and reduce re-spin risk in antenna-to-baseband designs. Once those checks pass, it becomes straightforward to map the part into the real application scenarios below. In practice, the practical lens is always the same: validate it in the system, not in isolation. In industrial sensing, RF stability and filtering influence range accuracy and false-detect rate. In industrial handheld radios, RF robustness is validated under shock and battery sag because enclosure effects and supply droop change margins. In practice, by focusing on testability and margins, teams reduce surprises during integration and scale-up.

Compatibility Advice
  • Validate matching, shielding, and coexistence inside the final enclosure so range and emissions are measurable with the real source, load, and wiring.
  • Verify power supply isolation and grounding so conducted noise does not show up as desense or emissions on the assembled PCB.
  • To reduce integration risk, verify coexistence and desense risks with nearby clocks and switchers so range does not collapse in the product before freezing the BOM.
Project Fit
  • Best fit when you can qualify Microchip Technology U2741B-NFBG3 for RF Transmitters integration on the assembled PCB, when you need predictable coexistence and emissions results for certification. On the other hand, less ideal when integrating Microchip Technology U2741B-NFBG3 for RF Transmitters, impedance and return paths cannot be maintained through the connector system, because repeatable production verification is not feasible.
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