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Manufacturer Part #


ILD256T Series Dual Channel 70 V 4000 Vrms Phototransistor Optocoupler - SOIC-8

Product Specification Section
Technical Attributes
Attributes Table
No of Channels: 2
Isolation Voltage-RMS: 4000V
Output Voltage-Max: 70V
CTR-Min: 20%
Operating Temp-Max: 100°C
Package Style:  SOIC-8
Mounting Method: Surface Mount
Features & Applications

The ILD256T is a dual channel phototransistor output optocoupler. It consists of two infrared emitters coupled to a silicon NPN phototransistor detector.

This is well suited for telecom applications such as ring detection or off/on hook status, given its bidirectional LED input and guaranteed current transfer ratio (CTR) of 20 % at IF = 10 mA.


  • Each Channel: Guaranteed CTR Symmetry, 2:1 Maximum
  • Bidirectional AC Input
  • SOIC-8 Surface Mountable Package
  • Isolation Test Voltage, 4000 VRMS
  • Standard Lead Spacing, 0.05
  • Available only on Tape and Reel Option (Conforms to EIA Standard 481-2)
  • Lead (Pb)-free component
  • Component in accordance to RoHS 2002/95/EC and WEEE 2002/96/EC


  • Telecom applications ring detection off/on hook status

Pricing Section
Web Price:
$2.42 USD Each
Cost Per Unit

$7.00 reeling fee is amortized over the number of components for each reel.
Mini-Reels are a custom product and are non-cancelable and non-returnable.