ONET4201PARGTT Texas Instruments Integrated Circuit (Quad Flat No-Lead) In Stock

ONET4201PARGTT is a limiting amplifier from Texas Instruments supporting 1 to 4.25 Gbps data rates with LOS detection and RSSI functions in a 16-pin QFN package. It is designed for SDH and SONET optical receiver front-ends. Available from stock worldwide with competitive pricing for high-speed optical communication designs.

OBSOLETEIntegrated CircuitVerified May 2026
Package / Visual Reference
ONET4201PARGTTQuad Flat No-Lead
Quick Facts
Manufacturer
Texas Instruments
Package
Quad Flat No-Lead
Pin Count
16
Lifecycle
OBSOLETE
Category
Integrated Circuit
Temp Range
-40.0°C to 85.0°C
RoHS
Compliant
Lead Time
3–7 business days
Shipping
DHL Express · Worldwide

What are the key features of ONET4201PARGTT?

  • Wideband limiting amplifier supporting 1 to 4.25 Gbps data rates for SDH and SONET optical receivers
  • Integrated Loss-of-Signal (LOS) detection and RSSI output simplifying optical link monitoring without external components
  • Compact 16-pin QFN (LCC16) package with exposed heat slug enabling high-density optical transceiver module designs

What is ONET4201PARGTT used for?

ONET4201PARGTT targets optical transceiver modules and optical networking line cards requiring SDH/SONET-compliant signal conditioning at rates up to 4.25 Gbps. Its integrated LOS and RSSI functions reduce external component count, making it suitable for SFP and SFP+ module receive paths. The QFN package with heat slug supports thermal management in high-density rack-mounted optical networking equipment.

What are the specifications of ONET4201PARGTT?

Pbfree CodeYes
YTEOL0
ApplicationsSDH; SONET
JESD-30 CodeS-PQCC-N16
JESD-609 Codee4
Number of Functions1
Package Body MaterialPLASTIC/EPOXY
Package Equivalence CodeLCC16,.12SQ,20
Package ShapeSQUARE
Package StyleCHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Cel)260
Qualification StatusNot Qualified
Supply Current-Max45mA
Supply Voltage-Nom3.3V
Surface MountYES
Telecom IC TypeATM/SONET/SDH SUPPORT CIRCUIT
Temperature GradeINDUSTRIAL
Terminal FinishNickel/Palladium/Gold (Ni/Pd/Au)
Terminal FormNO LEAD
Terminal Pitch0.5mm
Terminal PositionQUAD
Time@Peak Reflow Temperature-Max (s)30
PackageQuad Flat No-Lead

Compliance & Regulatory

RoHS StatusCompliant
Lead-FreeYes (Pb-Free)
Moisture Sensitivity LevelMSL 2
ECCN5A991.B.1
HTS Code8542.33.00.01

Where can I find the ONET4201PARGTT datasheet?

ONET4201PARGTT Datasheet Download

Official datasheet from Texas Instruments

What are equivalent replacements for ONET4201PARGTT?

No known alternates. Submit an RFQ and our team can suggest alternatives.

Frequently Asked Questions

How should engineers match this limiting amplifier to optical receiver data rates?

Use it where the optical front end needs 1 to 4.25 Gbps limiting amplification with LOS detection and RSSI support for SDH or SONET links.

Which package details matter during PCB layout and thermal review?

The device is supplied in a 16-pin QFN package, so layout teams should check exposed-pad assembly, land pattern rules, and inspection access early.

What lifecycle risk should procurement consider for new builds?

Because the part is listed as obsolete, buyers should qualify supply options carefully while preserving the -40°C to 85°C operating requirement for replacements.

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About Texas Instruments

Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.

AvailabilityIn Stock
Reference Price (USD)
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pcs

In Stock · 24h Response · Worldwide Shipping

Lead Time3-7 business days
MOQFrom 1 piece
ShippingDHL / FedEx / UPS
OriginChina (Authorized)

Response within 24 hours · Worldwide shipping

Response time is incredible — usually under 4 hours. They understand that production lines can't wait.

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James Wright
Supply Chain Director, CircuitPro Ltd, UK