Hermetic Surface Mount High CMR, High-speed Logic Gate Optocoupler

The OLS500 is suitable for high-speed digital interfacing applications, elimination of ground loops, and input/output buffering. Each OLS500 has an LED and integrated high-speed detector mounted and coupled in a custom hermetic surface mount leadless chip carrier (LCC) ceramic package that provides 1500 VDC electrical isolation between the input and output.

The light from the LED is collected by the photodiode in the integrated detector and amplified by a high gain linear amplifier that drives a Schottky-clamped open collector output transistor. Typical propagation delay for the OLS500 is 60 ns. The internal shield improves common mode transient immunity to 1000 V/μs minimum.

Device mounting is achieved with reflow soldering or conductive epoxies.


Product LifecycleIn Production
ConditionVOL @ IF = 5 mA
VOL Min.
VOL Max.0.6 V
Vcc Max. (V)7
Propagation Delay140ns Max.
Isolation @ VDC 1 Sec.1500
Package Photo
Package Info6-Lead Hermetic Ceramic LCC


  • Performance guaranteed over –55 °C to +125 °C ambient temperature range
  • Guaranteed minimum Common Mode Rejection (CMR) transient immunity, >1000 V/μs
  • 1500 VDC electrical isolation
  • Low-Power Schottky Transistor-Transistor Logic (LSTTL)/ Transistor-to-Transistor Logic (TTL) compatible
  • High-speed, 10 Mbps typical
  • Low input LED current
  • Similar to 6N134, 6N137, and HCPL2601
  • Offers 100% high reliability screenings

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