Diodes Incorporated — Analog and discrete power solutions
D FLat A

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P4SMAJ78ADF

400W Surface Mount Transient Voltage Suppressor

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Feature(s)

  • Packaged in the Low Profile D-FLAT to Optimize Board Space
  • Glass Passivated Die Construction
  • Excellent Clamping Capability
  • IEC 61000-4-2 (ESD): Air ±30kV, Contact ±30kV
  • Lead-Free Finish; RoHS Compliant (Notes 1 & 2)
  • Halogen and Antimony Free. “Green” Device (Note 3)

Product Specifications

Product Parameters

AEC Qualified Yes
Compliance (Only Automotive supports PPAP) Standard
Configuration Single (Uni-Directional)
Power Rating (W) 400 W
Reverse Standoff Voltage VRWM(V) 78 V
Breakdown VoltageVBR Min(V) 94.4 V
BreakdownVoltageVBR Max (V) 104 V
Maximum Reverse Leakage CurrentIR @ VRWM Max (µA) 1 µA
Maximum Clamping Voltage @ Max Peak Pulse Current VC (V) 137 V

Technical Documents

Recommended Soldering Techniques

TN1.pdf

RoHS CofC

Product Change Notices (PCNs)

A PCN may only apply to specific orderable part numbers in this datasheet. Please refer to the corresponding PCN to see the exact orderable part number(s) affected.

PCN # Issue Date Implementation Date Subject
PCN-2524 2021-10-04 2022-01-04 Wafer Diameter Change from 4 inch to 5 inch at Yea Shin Technology Co., Ltd. (Yeashin Fab) and Qualification of Yea Shin
Technology Co., Ltd. as Additional Wafer Source on Select Products