NCN5120MNTWG ON Semiconductor Integrated Circuit (Quad Flat No-Lead) In Stock

• Replaced by NCN5121 • 9600 baud KNX Communication Speed • Supervision of KNX Bus Voltage • Supports Bus Current Consumption up to 13 and 26 mA • Selectable KNX Bus Current (0.5 mA/ms and 1.0 mA/ms) • High Efficient DC−DC Converters ♦ 3.3 V Fixed ♦ 3.3 V to 21 V Selectable • Control and Monitoring of Power Regulators • Linear 20 V Regulator • Prepared for Sleep Mode • Buffering of Sent Data Frames (Extended Frames Supported) • Selectable UART or SPI Interface to Host Controller • Selectable UA

OBSOLETEIntegrated CircuitVerified Jun 2026
Package / Visual Reference
NCN5120MNTWGQuad Flat No-Lead
Quick Facts
Manufacturer
ON Semiconductor
Package
Quad Flat No-Lead
Pin Count
40
Lifecycle
OBSOLETE
Category
Integrated Circuit
Price
From $4.1734(MOQ 1)
Temp Range
-25.0°C to 85.0°C
RoHS
Compliant
Lead Time
3–7 business days
Shipping
DHL Express · Worldwide

Specifications

Pbfree CodeYes
Manufacturer Package Code485AU
Factory Lead Time37Weeks
YTEOL0
JESD-30 CodeS-XQCC-N40
JESD-609 Codee3
Number of Functions1
Number of Transceivers1
Package Body MaterialUNSPECIFIED
Package Equivalence CodeLCC40,.24SQ,20
Package ShapeSQUARE
Package StyleCHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Cel)260
Qualification StatusNot Qualified
Supply Voltage-Nom3.3V
Surface MountYES
Telecom IC TypeETHERNET TRANSCEIVER
Temperature GradeOTHER
Terminal FinishMatte Tin (Sn) - annealed
Terminal FormNO LEAD
Terminal Pitch0.5mm
Terminal PositionQUAD
Time@Peak Reflow Temperature-Max (s)30
PackageQuad Flat No-Lead

Compliance & Regulatory

RoHS StatusCompliant
Moisture Sensitivity LevelMSL 3
HTS Code8542.39.00.01
Country of OriginThailand

Datasheet

NCN5120MNTWG Datasheet Download

Official datasheet from ON Semiconductor

Alternate & Equivalent Parts

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

Frequently Asked Questions

What is the price of NCN5120MNTWG?

NCN5120MNTWG is priced from $4.1734 USD depending on quantity. Submit an RFQ on FindMyChip for the best current pricing from authorized China distributors.

Is NCN5120MNTWG in stock?

NCN5120MNTWG is listed as in stock at FindMyChip, sourced from authorized distributors, and ships worldwide with typical 3-7 business day lead time. Submit an RFQ for current quantity pricing, MOQ, and confirmed availability.

Where can I buy NCN5120MNTWG?

You can buy NCN5120MNTWG from FindMyChip, a B2B electronic component platform sourcing from China distributors. We offer competitive pricing and low MOQ for NCN5120MNTWG from ON Semiconductor.

What is the datasheet for NCN5120MNTWG?

The official NCN5120MNTWG datasheet from ON Semiconductor contains full specifications including pin configuration, electrical characteristics, and application notes. Download it directly from the datasheet section above.

What package does NCN5120MNTWG come in?

NCN5120MNTWG is available in Quad Flat No-Lead packaging. See the package diagram and pinout above for detailed dimensional information.

Related Guides

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Authorized Source
Verified supply chain with full traceability & inspection
Competitive Pricing
Factory-direct from China distributors, low MOQ
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DHL Express 3–5 days · FedEx/UPS 5–7 days worldwide
Quality Guaranteed
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About ON Semiconductor

ON Semiconductor (onsemi) provides intelligent power and sensing technologies for automotive, industrial, IoT, and cloud infrastructure applications.

AvailabilityIn Stock
Reference Price (USD)
From $4.1734
Buy from 1pc · Factory-direct pricing
Qty.Unit PriceExt. Price
1+$6.3700$6.37
41+$6.2172$254.91
54+$5.5741$301.00
200+$4.9400$988.00
1968+$4.5222$8899.73
3000+$4.1734$12520.20
pcs
Unit price: $6.3700 · Total: $6.37

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

Their engineering team helped us find a pin-compatible alternative when our original MCU went EOL.

MR
Marco Rossi
CTO, AutoDrive Systems, Italy