Hermetically Sealed, Transistor Output Optocouplers for Analog and Digital Applications

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The DSCC Class K Standard Microcircuit Drawing (SMD) 5962-9085401KYA device is a Highest Reliability Space Grade HCPL-550K with surface mountable butt joint lead form and solder dipped lead finish. The solder contains lead. Please use the Datasheet link for further details.


  • Highest Reliability, Single Channel, 8-Pin DIP
  • Performance Guaranteed from -55 degrees to 125 degrees C
  • MIL-PRF-38534 Class K, QML-38534
  • Dual Marked with Device Part Number and DSCC Standard Microcircuit Drawing
  • High Radiation Immunity
  • Reliability Data
  • MIL-PRF-38534 Class H Available
  • Five Hermetically Sealed Package Configurations
  • Two and Four Channel Devices Available (may be different package)
  • 9 MHz Bandwidth
  • High Speed: Typically 400kBit/s
  • Open Collector Output
  • 2-18 V Vcc Range
  • 1500 Vdc Withstand Test Voltage


  • Military and Aerospace
  • High Reliability Systems
  • Transportation, Medical, and Life Critical Systems
  • Vehicle Command, Control
  • Line Receiver
  • Switching Power Supply
  • Voltage Level Shifting
  • Analog Signal Ground Isolation
  • Isolated Input Line Receiver
  • Isolated Output Line Driver
  • Logic Ground Isolation
  • Isolation for Test Equipment Systems
  • Harsh Industrial Environments

Lifecycle Status


Lifecycle Status


Specification Value
Lifecycle Active
Distrib. Inventory No
Samples Available No
Bandwidth (MHz) 9
Bandwidth Uom MHz
CMR (min.) (V/µs) 1000.0
CTR Min. (%) 9.0
IF Min. (mA) 12.0
Input Current Ma Uom mA
RoHS6 Compliant N
Package Hermetic 8 Pin DIP
Product Type Hermetic High Speed Transistor
Prop Delay (tPHL) Max. (µs) 2.0
Prop Delay tPHL Uom µs
Prop Delay (tPLH) Max. (µs) 6.0
Prop Delay tPLH Uom µs
Reliability Class MIL-PRF-38534 Class K
VDD2 (V) 2.0
Data Rate 700 Kb/s


Application Note (3) i
Data Sheet (1) i
Product Change Notice (PCN) (3) i
Regulatory Certificate (1) i
Technical Specification (1) i
White Papers (1) i