The ESDAHDxxUE2 series are designed to protect sensitive components which are connected to power, data and transmission lines from overvoltage caused by ESD(electrostatic discharge), CDE (Cable Discharge Events), and EFT (electrical fast transients).

Features and Benefits
  • Peak pulse power 300W @ 8/20μs waveform
  • Protects one bidirectional line or two unidirectional lines
  • ESD, IEC 61000-4-2, ±30kV(air), ±30kV(contact)
  • Low leakage current
  • Low clamping voltage
  • Working voltages: 3V, 5V, 12V, 24V
  • Meet MSL level1
  • Halogen free and RoHS compliant
  • Notebooks, Desktops, and Servers
  • Test and Medical Equipment
  • Legacy Ports (RS-232, RS-485)
  • Motor Controls
  • Point-of-Sale Terminals
  • Security and Alarm Systems
Quality, reliability & chemical content
Type Number Symbol Parameter Conditions Min Typ/Nom Max Unit
ESDAHD03UE2 VR  reverse working voltage       3 V
VBR  reverse breakdown voltage  IT = 1 mA 4     V
Tj  junction temperature   -55   150 °C
VC  clamping voltage  IPP = 1 A; tp = 8/20 μs     8 V
 IPP = 20 A; tp = 8/20 μs     15 V
IPP  peak pulse current  8/20μs waveform     20 A
IR  reverse leakage current  VR = 3 V     1 μA
Cj  Junction Capacitance  VR = 0 V; f = 1 MHz;   195   pF
Type number Package Packing Product status Marking Orderable part number Ordering code (12NC)


STANDARD MARK SMD Volume production Standard Marking ESDAHD03UE2X 9340 730 79115
Type number Ordering code (12NC) Orderable part number Region Distributor Order sample
ESDAHD03UE2 9340 730 79115 ESDAHD03UE2X NA NA  


Chemical content Orderable part number Type number RoHS / RHF Leadfree conversion date MSL MSL LF
ESDAHD03UE2 ESDAHD03UE2X ESDAHD03UE2 Leaded  D always Pb-free 1 1


All information in this document is furnished for exploratory or indicative purposes only. All information in this document is believed to be accurate and reliable. However, WeEn Semiconductors does not give any representations or warranties as to the accuracy or completeness of such information and shall have no liability for the consequences of use of such information. WeEn Semiconductors may make changes to information published in this document at any time and without notice. Minor deviations may occur in the products from different manufacturing location. This document supersedes and replaces all information supplied prior to the publication hereof. Nothing in this document may be interpreted or construed as an offer to sell products that is open for acceptance or the grant, conveyance or implication of any license under any copyrights, patents or other industrial or intellectual property rights.