SO8-FL (Flat Lead) is a thinner and thermally enhanced Power Discrete package, improving power dissipation capability by 47%, while maintaining the same footprint area (5 x 6 mm) as standard SOIC 8 ld package. This package is available in both JEDEC and JEITA package outlines.

SO8-FL Power DiscreteThis package may also be know as:

  • SOP-Adv
  • PowerFLAT 5x6™
  • JEDEC MO240 AA


SO8-FL Applications

SO8-FL is suitable for medium-power applications, designed for low on-resistance and high-speed-switching MOSFETs:
  • Battery protection circuits
  • Notebook PCs
  • Portable electronic devices
  • DC-DC converters


Features of the SO8-FL Package

  • Thin and thermally enhanced package with the same size as SOIC 8 ld
  • Dual Cu Clip interconnect for better heat dissipation efficiency
  • Al strap + wire option is also available
  • Turnkey with test and packing services
  • Green materials: Pb-free plating & halogen free mold compound


New Developments for the SO8-FL Package

  • Dual exposed pad for better thermal performance
  • Thin wafer dicing with narrow saw streets
  • Larger/higher density leadframe strips
  • Environmentally friendly Pb-free solder paste


S08-FL Process Highlights

  • Bare copper leadframe with no plating
  • Die attach: 55 um thin die pick up capability
  • Interconnect: Cu clips technology for better electrical and thermal performance. Also available on Al strap + wire option.
  • Plating: 100% matte Sn
  • Marking: Pen type laser


Standard Materials of the SO8-FL Package

  • Leadframe: Bare copper
  • Die attach: Solder paste* (*Apply to option dual Cu clips.)
  • Interconnect: 2 option,
    • – Dual Cu clips
    • – Multiple Cu wires
  • Mold compound: Halogen free


Reliability Qualification

Amkor devices are assembled with proven reliable semiconductor materials.

  • All test include pre-condition of: Ta = 85°C/Rh = 85%, 72 hrs with IR reflow Ta = 265°C, 3X
  • High Temperature Storage, Ta = 150°C, 1000 hrs
  • Pressure Cooker, Ta = 121°C/Rh = 100%/P = 2 atm, 96 hrs
  • Temperature Cycle, -65~150°C, 300 cycles


Test Service

Amkor offers full turnkey business for all power discrete products. We have the capability to test various type of power devices including MOSFETs, bipolar transistors, IGBTs, diodes, regulator ICs/intelligent power devices, etc.

  • Amkor power discrete test capability:
    • Static test (DC)
    • Dynamic test (AC, Switching/Trr, Capacitance/Rg)
    • Destruction test (Inductive load/VSUS, I Latch, Surge, Isolation/VIL)
    • Thermal Resistance (ΔVDS, ΔmV, etc.)
  • Program generation/conversion
  • Failure analysis
  • Available test/handling technology
  • Integrated marking, vision inspection and tape & reel services



  • Tape and reel packing
  • 3000 pcs or 5000 pcs per reel
  • Tape width 12 mm
  • Reel Φ = 330 mm
  • Barcode packing label
  • Drop ship


For more information on our SO8-FL Power Discrete package, please contact an Amkor Regional Sales Office near you or fill out the Request for Information Form.