Lead Free General Purpose Phototransistor Optocoupler

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The 4N35-000E is an optocoupler for general purpose photocoupler applications. It contains a light emitting diode optically coupled to a photo-transistor. It is packaged in a 6-pin DIP package and available in wide-lead spacing option and lead bend SMD option. Response time, tr, is typically 3 us and minimum CTR is 100% at input current of 10 mA.



  • High Current Transfer Ratio (CTR: min. 100% at IF = 10 mA, VCE = 10 V)
  • Response time (tr: typ., 3 us at VCE = 10 V, IC = 2 mA, RL = 100 ohms)
  • Input-output isolation voltage (Viso = 3550 Vrms)
  • Dual-in-line package
  • UL approved
  • CSA approved
  • IEC/EN/DIN EN 606747-5-2 approved
  • Options available are:
    060E = IEC/EN/DIN EN 60747-5-2 Option
    W00E = 0.4" Lead Spacing Option
    300E = Lead Bend SMD Option
    500E = Tape and Reel Packaging Option


  • I/O interfaces for computers
  • System appliances, measuring instruments
  • Signal transmission between circuits of different potentials and impedances

Lifecycle Status


Substance Compliance

  • RoHS
    Pb-free options
Specification Value
Lifecycle Active
Distrib. Inventory Yes
Absolute Max. If (mA) 60
BVCEO (V) 30
CTR Min. (%) 100.0
IF Min. (mA) 60.0
Input Current Ma Uom mA
RoHS6 Compliant Pb-free options only
Package 300mil DIP-6
Product Type Phototransistor Optocoupler
Turn Off Time (msec) 0.003
Turn On Time (msec) 0.003
UL Insulation Rating Viso (VRMS) 3550.0
VDD2 (V) 30.0
VCE(SAT) max (V) 50
Vf max (V) 1.5
IF Min. (mA) 60 mA
Application Note2 i
Brochures2 i
Data Sheet1 i
Options Data Sheet3 i
Product Change Notice (PCN)6 i
Regulatory Certificate1 i
Selection Guide2 i
White Papers2 i
FAQs1 i
Promotional Material1 i