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Single line transient surge voltage suppressor (TVS) for data and power line
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The ESDALC12-1T2 is a unidirectional single line Transil™ diode designed specially for protection of integrated circuits in portable equipment and miniaturized electronic devices subjected to ESD and EOS transient over voltages. Packed in SOD882T, it minimizes PCB occupation.

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Errata Sheet
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Key Features

  • Stand-off voltage 10 V
  • Unidirectional device
  • Low clamping factor VCL/VBR
  • Breakdown voltage VBR= 12 V min.
  • Fast response time
  • Very thin package: 0.4 mm
  • Low leakage current
  • RoHS compliant
  • Benefits
  • High ESD robustness of the application
  • Suitable for high density boards
  • Complies with the following standards:
  • IEC 61000-4-2 level 4:15 kV (air discharge)8 kV (contact discharge)
  • MIL STD 883G - Method 3015-7: class 3B

Design Resources


Technical Documentation

Product Specifications

Description Version Size
DS5925: Single line transient surge voltage suppressor (TVS) for data and power line
3.0 206 KB

Application Notes

Description Version Size
AN3353: IEC 61000-4-2 standard testing
1.1 172 KB
AN4022: TVS short pulse dynamic resistance measurement and correlation with TVS clamping voltage during ESD
2.1 362 KB

Technical Notes & Articles

Description Version Size
TA0324: ESD protection improvement in cellular handsets
1.2 135 KB
TN1173: Packing information for IPAD™, protection, rectifiers, thyristors and AC Switches
3.1 333 KB
TN1200: Micro-bump Flip Chip: package description and recommendations for use
1.0 281 KB

Presentations & Training Material


Description Version Size
HSP series portfolio overview : High-speed port ESD protection
1.0 798 KB
Ultra-low capacitance single-line ESD protection portfolio overview: ‘Ultra Low’ (ULC) and ‘eXtra Low’ (XLC) capacitance ESD protection
1.0 682 KB

Sample & Buy

Part Number Marketing StatusBreakdown Voltage (min) PackagePacking TypeAutomotive GradeOrder From STUnit Price (US$)*
@ 100
Distributor AvailabilityRoHS Compliance GradeDownload
Material Declaration**
ESDALC12-1T2Active12 SOD-882TTape And Reel_-.05Distributor reported inventory date: 2016-02-08
Distributor NameRegionStockMin. order
ARROWOrder NowEUROPE120000
RUTRONIKOrder NowEUROPE1200012000

(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors
(**) The Material Declaration forms available on may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.
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