AC-Input Lead Free General Purpose Phototransistor Optocoupler

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The HCPL-354-000E optocoupler contains a phototransistor, optically coupled to two light emitting diodes connected inverse parallel. It can operate directly by AC input current. It is packaged in a 4-pin mini-flat SMD package with a 2.0 mm profile. The small dimension of this product allows significant space saving. The package volume is 30% smaller than that of conventional DIP type. Inputoutput isolation voltage is 3750 Vrms.Response time, tr, is typically 4 us and minimum CTR is 20% at input current of 1 1 mA.



  • AC input response
  • Current transfer ratio
    (CTR: min. 20% at IF = /-1 mA, VCE = 5 V)
  • Isolation voltage between input and output (Viso = 3,750 Vrms)
  • Subminiature type
    (The volume is smaller than that of conventional DIP type by as far as 30%)
  • Mini-flat package
  • 2.0 mm profile
  • UL approved
  • CSA approved
  • Options available are:
    060E = IEC/EN/DIN EN 60747-5-2 Option
    00AE = Rank Mark A


  • Detecting or monitoring AC signals
  • Programmable controllers
  • AC/DC-input modules
  • AC line/digital logic isolation

Lifecycle Status


Substance Compliance

  • RoHS
    Pb-free options
Specification Value
Lifecycle Active
Distrib. Inventory Yes
BVCEO (V) 35
CTR Max. (%) 400
CTR Min. (%) 20.0
IF Min. (mA) 1.0
Input Current Ma Uom mA
RoHS6 Compliant Pb-free options only
Package SO4
Product Type Phototransistor Optocoupler
Prop Delay (tPLH) Max. (µs) 18.0
Turn Off Time (msec) 0.004
Turn On Time (msec) 0.003
UL Insulation Rating Viso (VRMS) 3750.0
Vf max (V) 1.4
Prop Delay (tPLH) Max. (µs) 18
IF Min. (mA) 1 mA
Application Note2 i
Brochures2 i
Design Guide1 i
Options Data Sheet3 i
Product Change Notice (PCN)5 i
Regulatory Certificate1 i
Selection Guide2 i
White Papers2 i
FAQs1 i
Promotional Material1 i