1SMA28AT3G ON Semiconductor Diode (Diodes Moulded) In Stock

ON Semiconductor 1SMA28AT3G is a schottky rectifier for electronic assemblies. It is specified around 2 pins for matching footprints and electrical requirements. From inquiry pricing with worldwide shipping support.

TRANSFERREDDiodeVerified Jul 2026
Package / Visual Reference
1SMA28AT3GDiodes Moulded
Quick Facts
Manufacturer
ON Semiconductor
Package
Diodes Moulded
Pin Count
2
Lifecycle
TRANSFERRED
Category
Diode
Temp Range
-65.0°C to 150.0°C
RoHS
Compliant
Lead Time
3–7 business days
Shipping
DHL Express · Worldwide

What are the key features of 1SMA28AT3G?

  • Schottky Rectifier record for 1SMA28AT3G with manufacturer traceability
  • 2 pins configuration for design and sourcing checks
  • Diodes Moulded package information for footprint review
  • transferred lifecycle status for procurement risk review
  • Datasheet-linked record for specification and compliance validation
  • Suitable for BOM matching, alternate review, and purchasing qualification

What is 1SMA28AT3G used for?

1SMA28AT3G is used in reverse-polarity protection, low-voltage rectification, freewheel paths, and compact power-management boards where consistent sourcing and documented specifications matter. The 2 pins detail helps engineers screen fit against the target footprint, rating, or interface requirement. It supports engineering teams during design qualification, approved-vendor review, and maintenance purchasing.

What are the specifications of 1SMA28AT3G?

Pbfree CodeYes
Manufacturer Package Code403D-02
Additional FeatureHIGH RELIABILITY
Breakdown Voltage-Max34.4V
Breakdown Voltage-Min31.1V
Breakdown Voltage-Nom32.75V
Clamping Voltage-Max45.4V
ConfigurationSINGLE
Diode Element MaterialSILICON
Diode TypeTRANS VOLTAGE SUPPRESSOR DIODE
JESD-30 CodeR-PDSO-C2
JESD-609 Codee3
Non-rep Peak Rev Power Dis-Max400W
Number of Elements1
Package Body MaterialPLASTIC/EPOXY
Package ShapeRECTANGULAR
Package StyleSMALL OUTLINE
Peak Reflow Temperature (Cel)260
PolarityUNIDIRECTIONAL
Power Dissipation-Max0.5W
Qualification StatusNot Qualified
Rep Pk Reverse Voltage-Max28V
Surface MountYES
TechnologyZENER
Terminal FinishTIN
Terminal FormC BEND
Terminal PositionDUAL
Time@Peak Reflow Temperature-Max (s)30
PackageDiodes Moulded

Compliance & Regulatory

RoHS StatusCompliant
Lead-FreeYes (Pb-Free)
Moisture Sensitivity LevelMSL 1
ECCNEAR99
HTS Code8541.10.00.50

Where can I find the 1SMA28AT3G datasheet?

1SMA28AT3G Datasheet Download

Official datasheet from ON Semiconductor

What are equivalent replacements for 1SMA28AT3G?

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

Frequently Asked Questions

Which surge-clamp ratings should engineers verify for 1SMA28AT3G?

The fetched specs list 31.1 V minimum, 34.4 V maximum breakdown, and 45.4 V maximum clamping, so confirm these limits against the protection rail.

How can procurement confirm lead-free suitability for this TVS diode?

The context reports Pbfree Code: Yes and a 2 pins molded diode package, which helps buyers align compliance checks with the target PCB footprint.

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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)
Contact for Price
Buy from 1pc · Factory-direct pricing
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